redline | 64dc2b5958fe37dd9733928c156e0c75ab544e2e0169f9f796c3f3db809bcbe5

Target

toolspab2 (21).exe
Size

315KB
MD5

585c257e0b345b762e7cdc407d8f9da2
SHA1

ffee403d97b76c3460fc166b9d5ce1205cd216a5
SHA256

4a0ecbcf9b54ed1c9654eb9ee214a797f48c980c6d03a261f62fa9671a2733d6
SHA512

14d39a6cd1c6d912cae7c35e2a98affcd5a9c1df6b947c42de65344e08d34912b09ccac83f9d8c3213b4e3d555769801e8218cb3f4b970d1d08606ee5a454ba8

Score

10^/10

redline smokeloader 1 backdoor discovery evasion infostealer spyware stealer themida trojan

Malware Config

Extracted

Family

smokeloader

Version

2020

http://999080321newfolder1002002131-service1002.space/

http://999080321newfolder1002002231-service1002.space/

http://999080321newfolder3100231-service1002.space/

http://999080321newfolder1002002431-service1002.space/

http://999080321newfolder1002002531-service1002.space/

http://999080321newfolder33417-012425999080321.space/

http://999080321test125831-service10020125999080321.space/

http://999080321test136831-service10020125999080321.space/

http://999080321test147831-service10020125999080321.space/

http://999080321test146831-service10020125999080321.space/

http://999080321test134831-service10020125999080321.space/

http://999080321est213531-service1002012425999080321.ru/

http://999080321yes1t3481-service10020125999080321.ru/

http://999080321test13561-service10020125999080321.su/

http://999080321test14781-service10020125999080321.info/

http://999080321test13461-service10020125999080321.net/

http://999080321test15671-service10020125999080321.tech/

http://999080321test12671-service10020125999080321.online/

http://999080321utest1341-service10020125999080321.ru/

http://999080321uest71-service100201dom25999080321.ru/

rc4.i32

Extracted

Family

redline

Botnet

45.32.235.238:45555

Signatures

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine Payload 4 IoCs

resource	yara_rule
behavioral27/memory/408-91-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline
behavioral27/memory/408-85-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline
behavioral27/memory/408-88-0x0000000000417E96-mapping.dmp	family_redline
behavioral27/files/0x00040000000130e7-99.dat	family_redline

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Downloads MZ/PE file

Executes dropped EXE 14 IoCs

pid	Process
1584	9AF8.exe
1704	9CBD.exe
1864	9F1F.exe
1320	A3B2.exe
1196	A5A6.exe
1772	ACC8.exe
408	9F1F.exe
1096	BAAE.exe
428	wudtbti
1072	wudtbti
108	wudtbti
276	wudtbti
1584	wudtbti
296	wudtbti

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	BAAE.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	BAAE.exe

Deletes itself 1 IoCs

pid	Process
1276	Process not Found

Loads dropped DLL 3 IoCs

pid	Process
1784	toolspab2 (21).exe
1864	9F1F.exe
276	wudtbti

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral27/files/0x00040000000130e7-99.dat	themida
behavioral27/memory/1096-104-0x00000000012A0000-0x00000000012A1000-memory.dmp	themida

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	BAAE.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1096	BAAE.exe

Suspicious use of SetThreadContext 5 IoCs

description	pid	Process	procid_target
PID 1924 set thread context of 1784	1924	toolspab2 (21).exe	29
PID 1864 set thread context of 408	1864	9F1F.exe	34
PID 428 set thread context of 1072	428	wudtbti	51
PID 108 set thread context of 276	108	wudtbti	54
PID 1584 set thread context of 296	1584	wudtbti	57

Checks SCSI registry key(s) 3 TTPs 6 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	toolspab2 (21).exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	wudtbti
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	wudtbti
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	wudtbti
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	toolspab2 (21).exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	toolspab2 (21).exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1784	toolspab2 (21).exe
1784	toolspab2 (21).exe
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1276	Process not Found

Suspicious behavior: MapViewOfSection 20 IoCs

pid	Process
1784	toolspab2 (21).exe
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found
276	wudtbti

Suspicious use of AdjustPrivilegeToken 13 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1276	Process not Found
Token: SeShutdownPrivilege	1276	Process not Found
Token: SeShutdownPrivilege	1276	Process not Found
Token: SeShutdownPrivilege	1276	Process not Found
Token: SeShutdownPrivilege	1276	Process not Found
Token: SeShutdownPrivilege	1276	Process not Found
Token: SeDebugPrivilege	408	9F1F.exe
Token: SeDebugPrivilege	1096	BAAE.exe
Token: SeShutdownPrivilege	1276	Process not Found
Token: SeShutdownPrivilege	1276	Process not Found
Token: SeShutdownPrivilege	1276	Process not Found
Token: SeShutdownPrivilege	1276	Process not Found
Token: SeShutdownPrivilege	1276	Process not Found

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1276	Process not Found
1276	Process not Found
1276	Process not Found
1276	Process not Found

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1584	9AF8.exe
1704	9CBD.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 1784	1924	toolspab2 (21).exe	29
PID 1924 wrote to memory of 1784	1924	toolspab2 (21).exe	29
PID 1924 wrote to memory of 1784	1924	toolspab2 (21).exe	29
PID 1924 wrote to memory of 1784	1924	toolspab2 (21).exe	29
PID 1924 wrote to memory of 1784	1924	toolspab2 (21).exe	29
PID 1924 wrote to memory of 1784	1924	toolspab2 (21).exe	29
PID 1924 wrote to memory of 1784	1924	toolspab2 (21).exe	29
PID 1276 wrote to memory of 1584	1276	Process not Found	30
PID 1276 wrote to memory of 1584	1276	Process not Found	30
PID 1276 wrote to memory of 1584	1276	Process not Found	30
PID 1276 wrote to memory of 1584	1276	Process not Found	30
PID 1276 wrote to memory of 1704	1276	Process not Found	31
PID 1276 wrote to memory of 1704	1276	Process not Found	31
PID 1276 wrote to memory of 1704	1276	Process not Found	31
PID 1276 wrote to memory of 1704	1276	Process not Found	31
PID 1276 wrote to memory of 1864	1276	Process not Found	32
PID 1276 wrote to memory of 1864	1276	Process not Found	32
PID 1276 wrote to memory of 1864	1276	Process not Found	32
PID 1276 wrote to memory of 1864	1276	Process not Found	32
PID 1864 wrote to memory of 408	1864	9F1F.exe	34
PID 1864 wrote to memory of 408	1864	9F1F.exe	34
PID 1864 wrote to memory of 408	1864	9F1F.exe	34
PID 1864 wrote to memory of 408	1864	9F1F.exe	34
PID 1276 wrote to memory of 1320	1276	Process not Found	35
PID 1276 wrote to memory of 1320	1276	Process not Found	35
PID 1276 wrote to memory of 1320	1276	Process not Found	35
PID 1276 wrote to memory of 1320	1276	Process not Found	35
PID 1276 wrote to memory of 1196	1276	Process not Found	36
PID 1276 wrote to memory of 1196	1276	Process not Found	36
PID 1276 wrote to memory of 1196	1276	Process not Found	36
PID 1276 wrote to memory of 1196	1276	Process not Found	36
PID 1864 wrote to memory of 408	1864	9F1F.exe	34
PID 1864 wrote to memory of 408	1864	9F1F.exe	34
PID 1864 wrote to memory of 408	1864	9F1F.exe	34
PID 1864 wrote to memory of 408	1864	9F1F.exe	34
PID 1864 wrote to memory of 408	1864	9F1F.exe	34
PID 1276 wrote to memory of 1772	1276	Process not Found	37
PID 1276 wrote to memory of 1772	1276	Process not Found	37
PID 1276 wrote to memory of 1772	1276	Process not Found	37
PID 1276 wrote to memory of 1772	1276	Process not Found	37
PID 1276 wrote to memory of 1096	1276	Process not Found	38
PID 1276 wrote to memory of 1096	1276	Process not Found	38
PID 1276 wrote to memory of 1096	1276	Process not Found	38
PID 1276 wrote to memory of 1096	1276	Process not Found	38
PID 1276 wrote to memory of 1940	1276	Process not Found	39
PID 1276 wrote to memory of 1940	1276	Process not Found	39
PID 1276 wrote to memory of 1940	1276	Process not Found	39
PID 1276 wrote to memory of 1940	1276	Process not Found	39
PID 1276 wrote to memory of 1940	1276	Process not Found	39
PID 1276 wrote to memory of 1756	1276	Process not Found	40
PID 1276 wrote to memory of 1756	1276	Process not Found	40
PID 1276 wrote to memory of 1756	1276	Process not Found	40
PID 1276 wrote to memory of 1756	1276	Process not Found	40
PID 1276 wrote to memory of 1000	1276	Process not Found	41
PID 1276 wrote to memory of 1000	1276	Process not Found	41
PID 1276 wrote to memory of 1000	1276	Process not Found	41
PID 1276 wrote to memory of 1000	1276	Process not Found	41
PID 1276 wrote to memory of 1000	1276	Process not Found	41
PID 1276 wrote to memory of 1396	1276	Process not Found	42
PID 1276 wrote to memory of 1396	1276	Process not Found	42
PID 1276 wrote to memory of 1396	1276	Process not Found	42
PID 1276 wrote to memory of 1396	1276	Process not Found	42
PID 1276 wrote to memory of 1292	1276	Process not Found	43
PID 1276 wrote to memory of 1292	1276	Process not Found	43

C:\Users\Admin\AppData\Local\Temp\toolspab2 (21).exe
"C:\Users\Admin\AppData\Local\Temp\toolspab2 (21).exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Users\Admin\AppData\Local\Temp\toolspab2 (21).exe
  "C:\Users\Admin\AppData\Local\Temp\toolspab2 (21).exe"
  2⤵
  - Loads dropped DLL
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:1784

C:\Users\Admin\AppData\Local\Temp\9AF8.exe
C:\Users\Admin\AppData\Local\Temp\9AF8.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1584

C:\Users\Admin\AppData\Local\Temp\9CBD.exe
C:\Users\Admin\AppData\Local\Temp\9CBD.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1704

C:\Users\Admin\AppData\Local\Temp\9F1F.exe
C:\Users\Admin\AppData\Local\Temp\9F1F.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1864
- C:\Users\Admin\AppData\Local\Temp\9F1F.exe
  C:\Users\Admin\AppData\Local\Temp\9F1F.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:408

C:\Users\Admin\AppData\Local\Temp\A3B2.exe
C:\Users\Admin\AppData\Local\Temp\A3B2.exe
1⤵
- Executes dropped EXE
PID:1320

C:\Users\Admin\AppData\Local\Temp\A5A6.exe
C:\Users\Admin\AppData\Local\Temp\A5A6.exe
1⤵
- Executes dropped EXE
PID:1196

C:\Users\Admin\AppData\Local\Temp\ACC8.exe
C:\Users\Admin\AppData\Local\Temp\ACC8.exe
1⤵
- Executes dropped EXE
PID:1772

C:\Users\Admin\AppData\Local\Temp\BAAE.exe
C:\Users\Admin\AppData\Local\Temp\BAAE.exe
1⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
PID:1096

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1940

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:1756

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1000

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:1396

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1292

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:1380

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1752

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:1108

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1704

C:\Windows\system32\taskeng.exe
taskeng.exe {DA29534A-4BAE-4229-9642-70DA3CA4B127} S-1-5-21-2455352368-1077083310-2879168483-1000:QWOCTUPM\Admin:Interactive:[1]
1⤵
PID:560
- C:\Users\Admin\AppData\Roaming\wudtbti
  C:\Users\Admin\AppData\Roaming\wudtbti
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  PID:428
- - C:\Users\Admin\AppData\Roaming\wudtbti
    C:\Users\Admin\AppData\Roaming\wudtbti
    3⤵
    - Executes dropped EXE
    PID:1072

C:\Windows\system32\taskeng.exe
taskeng.exe {EECEF198-1884-4808-BAE6-972CE464A6FB} S-1-5-21-2455352368-1077083310-2879168483-1000:QWOCTUPM\Admin:Interactive:[1]
1⤵
PID:1116
- C:\Users\Admin\AppData\Roaming\wudtbti
  C:\Users\Admin\AppData\Roaming\wudtbti
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  PID:108
- - C:\Users\Admin\AppData\Roaming\wudtbti
    C:\Users\Admin\AppData\Roaming\wudtbti
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Checks SCSI registry key(s)
    - Suspicious behavior: MapViewOfSection
    PID:276

C:\Windows\system32\taskeng.exe
taskeng.exe {FC0FF4A7-0973-4FA7-BD38-77FE3E8FA200} S-1-5-21-2455352368-1077083310-2879168483-1000:QWOCTUPM\Admin:Interactive:[1]
1⤵
PID:600
- C:\Users\Admin\AppData\Roaming\wudtbti
  C:\Users\Admin\AppData\Roaming\wudtbti
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  PID:1584
- - C:\Users\Admin\AppData\Roaming\wudtbti
    C:\Users\Admin\AppData\Roaming\wudtbti
    3⤵
    - Executes dropped EXE
    PID:296

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials in Files

T1081

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/408-91-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/408-85-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/408-96-0x0000000000EA0000-0x0000000000EA1000-memory.dmp

Filesize
4KB

Download
memory/1000-115-0x0000000000090000-0x0000000000097000-memory.dmp

Filesize
28KB

Download
memory/1000-114-0x000000006E491000-0x000000006E493000-memory.dmp

Filesize
8KB

Download
memory/1000-116-0x0000000000080000-0x000000000008B000-memory.dmp

Filesize
44KB

Download
memory/1096-108-0x0000000000470000-0x0000000000471000-memory.dmp

Filesize
4KB

Download
memory/1096-104-0x00000000012A0000-0x00000000012A1000-memory.dmp

Filesize
4KB

Download
memory/1108-135-0x0000000000060000-0x0000000000069000-memory.dmp

Filesize
36KB

Download
memory/1108-134-0x0000000000070000-0x0000000000075000-memory.dmp

Filesize
20KB

Download
memory/1196-95-0x0000000000400000-0x0000000000492000-memory.dmp

Filesize
584KB

Download
memory/1276-65-0x0000000002E30000-0x0000000002E47000-memory.dmp

Filesize
92KB

Download
memory/1276-156-0x0000000002B20000-0x0000000002B37000-memory.dmp

Filesize
92KB

Download
memory/1292-123-0x0000000000090000-0x0000000000095000-memory.dmp

Filesize
20KB

Download
memory/1292-124-0x0000000000080000-0x0000000000089000-memory.dmp

Filesize
36KB

Download
memory/1320-93-0x0000000000220000-0x00000000002B1000-memory.dmp

Filesize
580KB

Download
memory/1380-126-0x0000000000070000-0x0000000000076000-memory.dmp

Filesize
24KB

Download
memory/1380-127-0x0000000000060000-0x000000000006C000-memory.dmp

Filesize
48KB

Download
memory/1396-118-0x0000000000070000-0x0000000000079000-memory.dmp

Filesize
36KB

Download
memory/1396-119-0x0000000000060000-0x000000000006F000-memory.dmp

Filesize
60KB

Download
memory/1704-140-0x0000000000080000-0x0000000000089000-memory.dmp

Filesize
36KB

Download
memory/1704-139-0x0000000000090000-0x0000000000095000-memory.dmp

Filesize
20KB

Download
memory/1752-132-0x00000000000C0000-0x00000000000C9000-memory.dmp

Filesize
36KB

Download
memory/1752-131-0x00000000000D0000-0x00000000000D4000-memory.dmp

Filesize
16KB

Download
memory/1756-111-0x0000000000060000-0x000000000006C000-memory.dmp

Filesize
48KB

Download
memory/1756-110-0x0000000000070000-0x0000000000077000-memory.dmp

Filesize
28KB

Download
memory/1784-61-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1784-63-0x00000000760B1000-0x00000000760B3000-memory.dmp

Filesize
8KB

Download
memory/1864-80-0x0000000004950000-0x0000000004951000-memory.dmp

Filesize
4KB

Download
memory/1864-77-0x0000000000F00000-0x0000000000F01000-memory.dmp

Filesize
4KB

Download
memory/1924-60-0x0000000000220000-0x000000000022C000-memory.dmp

Filesize
48KB

Download
memory/1940-103-0x000000006F351000-0x000000006F353000-memory.dmp

Filesize
8KB

Download
memory/1940-107-0x0000000000080000-0x00000000000EB000-memory.dmp

Filesize
428KB

Download
memory/1940-106-0x00000000001A0000-0x0000000000214000-memory.dmp

Filesize
464KB

Download