redline | b38836c2ca840a569bee2b3fb196b8bbf895848c91b4970ea661b1bd879ae9f2

General

Target

b38836c2ca840a569bee2b3fb196b8bbf895848c91b4970ea661b1bd879ae9f2.exe
Size

382KB
MD5

4b3b3660d4aaac2ae95a48473fd6625e
SHA1

3e37934207617ea2af6a09cf0e47f831331d8c9c
SHA256

b38836c2ca840a569bee2b3fb196b8bbf895848c91b4970ea661b1bd879ae9f2
SHA512

b2cd9ee1754242ce5b0cfcb156eecd779df5935afafec0129ef45b253c50e7180e7ab3da381b51e167f62057017eac89a3ee128fce108c6cb069852786ab2d01
SSDEEP

6144:XWUMLgc83mCFuCcflf6HW2ccG3c9WcoBlC4saVe:XM8c83HPQp6HW2nGxcWCZ3

Score

10^/10

redline smokeloader yt backdoor evasion infostealer themida trojan

Malware Config

Extracted

Family

redline

Botnet

YT

C2

65.21.5.58:48811

Attributes

auth_value
fb878dde7f3b4ad1e1bc26d24db36d28

Signatures

Detects Smokeloader packer 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4928-133-0x00000000004E0000-0x00000000004E9000-memory.dmp	family_smokeloader

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline
SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

FF1C.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ FF1C.exe
Downloads MZ/PE file
Executes dropped EXE 3 IoCs

Processes:

FF1C.exeF1.exe1277.exe

pid process

4964 FF1C.exe
3132 F1.exe
4896 1277.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	FF1C.exe

pid	process
4964	FF1C.exe
3132	F1.exe
4896	1277.exe

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

Processes:

FF1C.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	FF1C.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	FF1C.exe

Themida packer 3 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\FF1C.exe	themida
C:\Users\Admin\AppData\Local\Temp\FF1C.exe	themida
behavioral1/memory/4964-144-0x0000000000CD0000-0x00000000011D0000-memory.dmp	themida

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

FF1C.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA FF1C.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

FF1C.exe

pid process

4964 FF1C.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

F1.exe

description pid process target process

PID 3132 set thread context of 1452 3132 F1.exe vbc.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	FF1C.exe

pid	process
4964	FF1C.exe

description	pid	process	target process
PID 3132 set thread context of 1452	3132	F1.exe	vbc.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

b38836c2ca840a569bee2b3fb196b8bbf895848c91b4970ea661b1bd879ae9f2.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b38836c2ca840a569bee2b3fb196b8bbf895848c91b4970ea661b1bd879ae9f2.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b38836c2ca840a569bee2b3fb196b8bbf895848c91b4970ea661b1bd879ae9f2.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b38836c2ca840a569bee2b3fb196b8bbf895848c91b4970ea661b1bd879ae9f2.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

b38836c2ca840a569bee2b3fb196b8bbf895848c91b4970ea661b1bd879ae9f2.exe

pid	process
4928	b38836c2ca840a569bee2b3fb196b8bbf895848c91b4970ea661b1bd879ae9f2.exe
4928	b38836c2ca840a569bee2b3fb196b8bbf895848c91b4970ea661b1bd879ae9f2.exe
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

752
Suspicious behavior: MapViewOfSection 19 IoCs

Processes:

b38836c2ca840a569bee2b3fb196b8bbf895848c91b4970ea661b1bd879ae9f2.exe

pid process

4928 b38836c2ca840a569bee2b3fb196b8bbf895848c91b4970ea661b1bd879ae9f2.exe
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pid	process
752

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

description	pid	process
Token: SeShutdownPrivilege	752
Token: SeCreatePagefilePrivilege	752
Token: SeShutdownPrivilege	752
Token: SeCreatePagefilePrivilege	752
Token: SeShutdownPrivilege	752
Token: SeCreatePagefilePrivilege	752
Token: SeShutdownPrivilege	752
Token: SeCreatePagefilePrivilege	752

Suspicious use of WriteProcessMemory 46 IoCs

Processes:

F1.exe

description	pid	process	target process
PID 752 wrote to memory of 4964	752		FF1C.exe
PID 752 wrote to memory of 4964	752		FF1C.exe
PID 752 wrote to memory of 3132	752		F1.exe
PID 752 wrote to memory of 3132	752		F1.exe
PID 752 wrote to memory of 3132	752		F1.exe
PID 752 wrote to memory of 4896	752		1277.exe
PID 752 wrote to memory of 4896	752		1277.exe
PID 752 wrote to memory of 4896	752		1277.exe
PID 752 wrote to memory of 1532	752		explorer.exe
PID 752 wrote to memory of 1532	752		explorer.exe
PID 752 wrote to memory of 1532	752		explorer.exe
PID 752 wrote to memory of 1532	752		explorer.exe
PID 752 wrote to memory of 2644	752		explorer.exe
PID 752 wrote to memory of 2644	752		explorer.exe
PID 752 wrote to memory of 2644	752		explorer.exe
PID 752 wrote to memory of 592	752		explorer.exe
PID 752 wrote to memory of 592	752		explorer.exe
PID 752 wrote to memory of 592	752		explorer.exe
PID 752 wrote to memory of 592	752		explorer.exe
PID 752 wrote to memory of 2168	752		explorer.exe
PID 752 wrote to memory of 2168	752		explorer.exe
PID 752 wrote to memory of 2168	752		explorer.exe
PID 752 wrote to memory of 364	752		explorer.exe
PID 752 wrote to memory of 364	752		explorer.exe
PID 752 wrote to memory of 364	752		explorer.exe
PID 752 wrote to memory of 364	752		explorer.exe
PID 752 wrote to memory of 2408	752		explorer.exe
PID 752 wrote to memory of 2408	752		explorer.exe
PID 752 wrote to memory of 2408	752		explorer.exe
PID 752 wrote to memory of 2408	752		explorer.exe
PID 752 wrote to memory of 3048	752		explorer.exe
PID 752 wrote to memory of 3048	752		explorer.exe
PID 752 wrote to memory of 3048	752		explorer.exe
PID 752 wrote to memory of 3048	752		explorer.exe
PID 752 wrote to memory of 3392	752		explorer.exe
PID 752 wrote to memory of 3392	752		explorer.exe
PID 752 wrote to memory of 3392	752		explorer.exe
PID 752 wrote to memory of 4664	752		explorer.exe
PID 752 wrote to memory of 4664	752		explorer.exe
PID 752 wrote to memory of 4664	752		explorer.exe
PID 752 wrote to memory of 4664	752		explorer.exe
PID 3132 wrote to memory of 1452	3132	F1.exe	vbc.exe
PID 3132 wrote to memory of 1452	3132	F1.exe	vbc.exe
PID 3132 wrote to memory of 1452	3132	F1.exe	vbc.exe
PID 3132 wrote to memory of 1452	3132	F1.exe	vbc.exe
PID 3132 wrote to memory of 1452	3132	F1.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\b38836c2ca840a569bee2b3fb196b8bbf895848c91b4970ea661b1bd879ae9f2.exe
"C:\Users\Admin\AppData\Local\Temp\b38836c2ca840a569bee2b3fb196b8bbf895848c91b4970ea661b1bd879ae9f2.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4928

C:\Users\Admin\AppData\Local\Temp\FF1C.exe
C:\Users\Admin\AppData\Local\Temp\FF1C.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:4964

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
2⤵
PID:4228

C:\Users\Admin\AppData\Local\Temp\F1.exe
C:\Users\Admin\AppData\Local\Temp\F1.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3132

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
2⤵
PID:1452

C:\Users\Admin\AppData\Local\Temp\1277.exe
C:\Users\Admin\AppData\Local\Temp\1277.exe
1⤵
- Executes dropped EXE
PID:4896

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1532

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:2644

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:592

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:2168

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:364

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:2408

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:3048

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:3392

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4664

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Scripting

1

T1064

Credential Access

Discovery

Query Registry

3

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

3

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1

T1102

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\1277.exe
Filesize
922KB

MD5
0cec15477b0a89e89f78961fdd2f56b8

SHA1
48701957b74b12cfb521c8881ec9beac78f8866d

SHA256
03de8297c43f7161e56416e5f7180bee53b5234f5c4f757cb0084b9603057351

SHA512
1c8162b29d77035c23148cad569162f739ddc0c501fbf9dbc7cb06ffeaa7eb69d3f505aee167700eeba65fa6cab62ce92e3270b6d694f6f07192d8d3819ec595

Download Submit
C:\Users\Admin\AppData\Local\Temp\1277.exe
Filesize
922KB

MD5
0cec15477b0a89e89f78961fdd2f56b8

SHA1
48701957b74b12cfb521c8881ec9beac78f8866d

SHA256
03de8297c43f7161e56416e5f7180bee53b5234f5c4f757cb0084b9603057351

SHA512
1c8162b29d77035c23148cad569162f739ddc0c501fbf9dbc7cb06ffeaa7eb69d3f505aee167700eeba65fa6cab62ce92e3270b6d694f6f07192d8d3819ec595

Download Submit
C:\Users\Admin\AppData\Local\Temp\F1.exe
Filesize
510KB

MD5
2c7867a1749edef10274f3e34b047865

SHA1
c2009f052e54f3c788e1872e7ac6f4d5fea218f9

SHA256
8845215ed3299ff3381580ab3c1e1feb69d8c44361bc15d64b57a597147a74c7

SHA512
60b503650f7f4ca7d14cfa7dabc1cda68eee8f0e34800fb160f44b3af9135bf27b15c57e26f19301baa1eb4eb6a6191cfa70d8ca28361db71969f7c0c3435e68

Download Submit
C:\Users\Admin\AppData\Local\Temp\F1.exe
Filesize
510KB

MD5
2c7867a1749edef10274f3e34b047865

SHA1
c2009f052e54f3c788e1872e7ac6f4d5fea218f9

SHA256
8845215ed3299ff3381580ab3c1e1feb69d8c44361bc15d64b57a597147a74c7

SHA512
60b503650f7f4ca7d14cfa7dabc1cda68eee8f0e34800fb160f44b3af9135bf27b15c57e26f19301baa1eb4eb6a6191cfa70d8ca28361db71969f7c0c3435e68

Download Submit
C:\Users\Admin\AppData\Local\Temp\FF1C.exe
Filesize
1.5MB

MD5
d1964c1b30d01262eccaee06c600d726

SHA1
e213ef1a963cc1825b9183742bb2af555da72efe

SHA256
06ece311c226daf62863e5791def4efee02dacfeacc6b7635095d0a63b715a99

SHA512
02d5f5d71ef785dbc9a2c7bf960d60a19a7eeba3ae8227442c21ba153fc2443e0d1e5ec8319e70a55defcb1057f43d4f41602ba2089a64615dc3aaa8569d47a5

Download Submit
C:\Users\Admin\AppData\Local\Temp\FF1C.exe
Filesize
1.5MB

MD5
d1964c1b30d01262eccaee06c600d726

SHA1
e213ef1a963cc1825b9183742bb2af555da72efe

SHA256
06ece311c226daf62863e5791def4efee02dacfeacc6b7635095d0a63b715a99

SHA512
02d5f5d71ef785dbc9a2c7bf960d60a19a7eeba3ae8227442c21ba153fc2443e0d1e5ec8319e70a55defcb1057f43d4f41602ba2089a64615dc3aaa8569d47a5

Download Submit
memory/364-164-0x00000000012D0000-0x00000000012F7000-memory.dmp

Filesize
156KB

Download
memory/364-180-0x0000000001300000-0x0000000001322000-memory.dmp

Filesize
136KB

Download
memory/364-163-0x0000000001300000-0x0000000001322000-memory.dmp

Filesize
136KB

Download
memory/364-162-0x0000000000000000-mapping.dmp

Download
memory/592-178-0x0000000000520000-0x0000000000525000-memory.dmp

Filesize
20KB

Download
memory/592-157-0x0000000000520000-0x0000000000525000-memory.dmp

Filesize
20KB

Download
memory/592-158-0x0000000000510000-0x0000000000519000-memory.dmp

Filesize
36KB

Download
memory/592-156-0x0000000000000000-mapping.dmp

Download
memory/1452-183-0x0000000000170000-0x00000000001A2000-memory.dmp

Filesize
200KB

Download
memory/1452-182-0x0000000000000000-mapping.dmp

Download
memory/1532-153-0x00000000007C0000-0x00000000007CB000-memory.dmp

Filesize
44KB

Download
memory/1532-176-0x00000000007D0000-0x00000000007D7000-memory.dmp

Filesize
28KB

Download
memory/1532-150-0x0000000000000000-mapping.dmp

Download
memory/1532-152-0x00000000007D0000-0x00000000007D7000-memory.dmp

Filesize
28KB

Download
memory/2168-160-0x00000000009F0000-0x00000000009F6000-memory.dmp

Filesize
24KB

Download
memory/2168-179-0x00000000009F0000-0x00000000009F6000-memory.dmp

Filesize
24KB

Download
memory/2168-161-0x00000000009E0000-0x00000000009EC000-memory.dmp

Filesize
48KB

Download
memory/2168-159-0x0000000000000000-mapping.dmp

Download
memory/2408-167-0x0000000000A20000-0x0000000000A29000-memory.dmp

Filesize
36KB

Download
memory/2408-166-0x0000000000EB0000-0x0000000000EB5000-memory.dmp

Filesize
20KB

Download
memory/2408-165-0x0000000000000000-mapping.dmp

Download
memory/2644-177-0x00000000001F0000-0x00000000001F9000-memory.dmp

Filesize
36KB

Download
memory/2644-154-0x00000000001F0000-0x00000000001F9000-memory.dmp

Filesize
36KB

Download
memory/2644-151-0x0000000000000000-mapping.dmp

Download
memory/2644-155-0x00000000001E0000-0x00000000001EF000-memory.dmp

Filesize
60KB

Download
memory/3048-168-0x0000000000000000-mapping.dmp

Download
memory/3048-189-0x0000000000F80000-0x0000000000F86000-memory.dmp

Filesize
24KB

Download
memory/3048-191-0x0000000000F70000-0x0000000000F7B000-memory.dmp

Filesize
44KB

Download
memory/3132-140-0x0000000000000000-mapping.dmp

Download
memory/3392-181-0x0000000000410000-0x0000000000417000-memory.dmp

Filesize
28KB

Download
memory/3392-169-0x0000000000000000-mapping.dmp

Download
memory/3392-170-0x0000000000410000-0x0000000000417000-memory.dmp

Filesize
28KB

Download
memory/3392-171-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/4664-172-0x0000000000000000-mapping.dmp

Download
memory/4664-190-0x0000000000F70000-0x0000000000F7B000-memory.dmp

Filesize
44KB

Download
memory/4664-188-0x0000000000F80000-0x0000000000F88000-memory.dmp

Filesize
32KB

Download
memory/4896-147-0x0000000000000000-mapping.dmp

Download
memory/4928-135-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/4928-133-0x00000000004E0000-0x00000000004E9000-memory.dmp

Filesize
36KB

Download
memory/4928-132-0x00000000006D6000-0x00000000006EC000-memory.dmp

Filesize
88KB

Download
memory/4928-134-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/4964-145-0x00007FFECF5D0000-0x00007FFECF7C5000-memory.dmp

Filesize
2.0MB

Download
memory/4964-139-0x0000000000CD0000-0x00000000011D0000-memory.dmp

Filesize
5.0MB

Download
memory/4964-136-0x0000000000000000-mapping.dmp

Download
memory/4964-144-0x0000000000CD0000-0x00000000011D0000-memory.dmp

Filesize
5.0MB

Download
memory/4964-173-0x0000000000CD0000-0x00000000011D0000-memory.dmp

Filesize
5.0MB

Download
memory/4964-146-0x00007FFEB0540000-0x00007FFEB1001000-memory.dmp

Filesize
10.8MB

Download
memory/4964-175-0x00007FFEB0540000-0x00007FFEB1001000-memory.dmp

Filesize
10.8MB

Download
memory/4964-174-0x00007FFECF5D0000-0x00007FFECF7C5000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads