redline | f3f3e212e84f0c9c375aa5bc3d9de63c2ddc2b5704d784006067390abaae57b3

Analysis

max time kernel
152s
max time network
151s
platform
windows7_x64
resource
win7-en-20211014
submitted
24-10-2021 03:07

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General

Target

toolspab2.exe
Size

334KB
MD5

c33f5b894962328a5167e37c51edecc3
SHA1

c91eb850ab475ff69b6869f30eabcb0fee887e71
SHA256

f3f3e212e84f0c9c375aa5bc3d9de63c2ddc2b5704d784006067390abaae57b3
SHA512

0e331f7f16312edd361cd3e238d92a01952524af1ad8e348731b4fbdb47ef86224b606b3c6a4f67511dceb5a30e77d7357ee9457e16ef99f86283432b04d4937

Score

10^/10

redline smokeloader backdoor discovery evasion infostealer spyware stealer themida trojan

Malware Config

Extracted

Family

smokeloader

Version

2020

http://xacokuo8.top/

http://hajezey1.top/

rc4.i32

Signatures

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

RedLine Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1196-87-0x0000000000400000-0x0000000000420000-memory.dmp	family_redline
behavioral1/memory/1196-88-0x0000000000418D06-mapping.dmp	family_redline
behavioral1/memory/1196-90-0x0000000000400000-0x0000000000420000-memory.dmp	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 6 IoCs

Processes:

A2F3.exeA2F3.exeBD57.exeBD57.exeD387.exeBD57.exe

pid process

2008 A2F3.exe
1996 A2F3.exe
1768 BD57.exe
1556 BD57.exe
1632 D387.exe
1196 BD57.exe

pid	process
2008	A2F3.exe
1996	A2F3.exe
1768	BD57.exe
1556	BD57.exe
1632	D387.exe
1196	BD57.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:

D387.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	D387.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	D387.exe

Deletes itself 1 IoCs

Processes:

pid process

1412
Loads dropped DLL 3 IoCs

Processes:

A2F3.exeBD57.exe

pid process

2008 A2F3.exe
1768 BD57.exe
1768 BD57.exe
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

pid	process
1412

pid	process
2008	A2F3.exe
1768	BD57.exe
1768	BD57.exe

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\D387.exe	themida
behavioral1/memory/1632-84-0x00000000001A0000-0x00000000001A1000-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

Processes:

D387.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA D387.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

D387.exe

pid process

1632 D387.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	D387.exe

pid	process
1632	D387.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

toolspab2.exeA2F3.exeBD57.exe

description	pid	process	target process
PID 1116 set thread context of 520	1116	toolspab2.exe	toolspab2.exe
PID 2008 set thread context of 1996	2008	A2F3.exe	A2F3.exe
PID 1768 set thread context of 1196	1768	BD57.exe	BD57.exe

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

Processes:

toolspab2.exeA2F3.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	toolspab2.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	toolspab2.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	toolspab2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	A2F3.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	A2F3.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	A2F3.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

toolspab2.exe

pid	process
520	toolspab2.exe
520	toolspab2.exe
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412
1412

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

1412
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

toolspab2.exeA2F3.exe

pid process

520 toolspab2.exe
1996 A2F3.exe

pid	process
1412

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

BD57.exeD387.exe

description	pid	process
Token: SeShutdownPrivilege	1412
Token: SeShutdownPrivilege	1412
Token: SeShutdownPrivilege	1412
Token: SeDebugPrivilege	1196	BD57.exe
Token: SeDebugPrivilege	1632	D387.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

pid process

1412
1412
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

pid process

1412
1412

pid	process
1412
1412

pid	process
1412
1412

Suspicious use of WriteProcessMemory 44 IoCs

Processes:

toolspab2.exeA2F3.exeBD57.exe

description	pid	process	target process
PID 1116 wrote to memory of 520	1116	toolspab2.exe	toolspab2.exe
PID 1116 wrote to memory of 520	1116	toolspab2.exe	toolspab2.exe
PID 1116 wrote to memory of 520	1116	toolspab2.exe	toolspab2.exe
PID 1116 wrote to memory of 520	1116	toolspab2.exe	toolspab2.exe
PID 1116 wrote to memory of 520	1116	toolspab2.exe	toolspab2.exe
PID 1116 wrote to memory of 520	1116	toolspab2.exe	toolspab2.exe
PID 1116 wrote to memory of 520	1116	toolspab2.exe	toolspab2.exe
PID 1412 wrote to memory of 2008	1412		A2F3.exe
PID 1412 wrote to memory of 2008	1412		A2F3.exe
PID 1412 wrote to memory of 2008	1412		A2F3.exe
PID 1412 wrote to memory of 2008	1412		A2F3.exe
PID 2008 wrote to memory of 1996	2008	A2F3.exe	A2F3.exe
PID 2008 wrote to memory of 1996	2008	A2F3.exe	A2F3.exe
PID 2008 wrote to memory of 1996	2008	A2F3.exe	A2F3.exe
PID 2008 wrote to memory of 1996	2008	A2F3.exe	A2F3.exe
PID 2008 wrote to memory of 1996	2008	A2F3.exe	A2F3.exe
PID 2008 wrote to memory of 1996	2008	A2F3.exe	A2F3.exe
PID 2008 wrote to memory of 1996	2008	A2F3.exe	A2F3.exe
PID 1412 wrote to memory of 1768	1412		BD57.exe
PID 1412 wrote to memory of 1768	1412		BD57.exe
PID 1412 wrote to memory of 1768	1412		BD57.exe
PID 1412 wrote to memory of 1768	1412		BD57.exe
PID 1768 wrote to memory of 1556	1768	BD57.exe	BD57.exe
PID 1768 wrote to memory of 1556	1768	BD57.exe	BD57.exe
PID 1768 wrote to memory of 1556	1768	BD57.exe	BD57.exe
PID 1768 wrote to memory of 1556	1768	BD57.exe	BD57.exe
PID 1768 wrote to memory of 1556	1768	BD57.exe	BD57.exe
PID 1768 wrote to memory of 1556	1768	BD57.exe	BD57.exe
PID 1768 wrote to memory of 1556	1768	BD57.exe	BD57.exe
PID 1768 wrote to memory of 1556	1768	BD57.exe	BD57.exe
PID 1768 wrote to memory of 1556	1768	BD57.exe	BD57.exe
PID 1768 wrote to memory of 1196	1768	BD57.exe	BD57.exe
PID 1768 wrote to memory of 1196	1768	BD57.exe	BD57.exe
PID 1768 wrote to memory of 1196	1768	BD57.exe	BD57.exe
PID 1768 wrote to memory of 1196	1768	BD57.exe	BD57.exe
PID 1412 wrote to memory of 1632	1412		D387.exe
PID 1412 wrote to memory of 1632	1412		D387.exe
PID 1412 wrote to memory of 1632	1412		D387.exe
PID 1412 wrote to memory of 1632	1412		D387.exe
PID 1768 wrote to memory of 1196	1768	BD57.exe	BD57.exe
PID 1768 wrote to memory of 1196	1768	BD57.exe	BD57.exe
PID 1768 wrote to memory of 1196	1768	BD57.exe	BD57.exe
PID 1768 wrote to memory of 1196	1768	BD57.exe	BD57.exe
PID 1768 wrote to memory of 1196	1768	BD57.exe	BD57.exe

C:\Users\Admin\AppData\Local\Temp\toolspab2.exe
"C:\Users\Admin\AppData\Local\Temp\toolspab2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1116

C:\Users\Admin\AppData\Local\Temp\toolspab2.exe
"C:\Users\Admin\AppData\Local\Temp\toolspab2.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:520

C:\Users\Admin\AppData\Local\Temp\A2F3.exe
C:\Users\Admin\AppData\Local\Temp\A2F3.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2008

C:\Users\Admin\AppData\Local\Temp\A2F3.exe
C:\Users\Admin\AppData\Local\Temp\A2F3.exe
2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:1996

C:\Users\Admin\AppData\Local\Temp\BD57.exe
C:\Users\Admin\AppData\Local\Temp\BD57.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1768

C:\Users\Admin\AppData\Local\Temp\BD57.exe
C:\Users\Admin\AppData\Local\Temp\BD57.exe
2⤵
- Executes dropped EXE
PID:1556

C:\Users\Admin\AppData\Local\Temp\BD57.exe
C:\Users\Admin\AppData\Local\Temp\BD57.exe
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1196

C:\Users\Admin\AppData\Local\Temp\D387.exe
C:\Users\Admin\AppData\Local\Temp\D387.exe
1⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
PID:1632

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Peripheral Device Discovery

T1120

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\A2F3.exe
MD5
c33f5b894962328a5167e37c51edecc3

SHA1
c91eb850ab475ff69b6869f30eabcb0fee887e71

SHA256
f3f3e212e84f0c9c375aa5bc3d9de63c2ddc2b5704d784006067390abaae57b3

SHA512
0e331f7f16312edd361cd3e238d92a01952524af1ad8e348731b4fbdb47ef86224b606b3c6a4f67511dceb5a30e77d7357ee9457e16ef99f86283432b04d4937

Download Submit
C:\Users\Admin\AppData\Local\Temp\A2F3.exe
MD5
c33f5b894962328a5167e37c51edecc3

SHA1
c91eb850ab475ff69b6869f30eabcb0fee887e71

SHA256
f3f3e212e84f0c9c375aa5bc3d9de63c2ddc2b5704d784006067390abaae57b3

SHA512
0e331f7f16312edd361cd3e238d92a01952524af1ad8e348731b4fbdb47ef86224b606b3c6a4f67511dceb5a30e77d7357ee9457e16ef99f86283432b04d4937

Download Submit
C:\Users\Admin\AppData\Local\Temp\A2F3.exe
MD5
c33f5b894962328a5167e37c51edecc3

SHA1
c91eb850ab475ff69b6869f30eabcb0fee887e71

SHA256
f3f3e212e84f0c9c375aa5bc3d9de63c2ddc2b5704d784006067390abaae57b3

SHA512
0e331f7f16312edd361cd3e238d92a01952524af1ad8e348731b4fbdb47ef86224b606b3c6a4f67511dceb5a30e77d7357ee9457e16ef99f86283432b04d4937

Download Submit
C:\Users\Admin\AppData\Local\Temp\BD57.exe
MD5
a9cf6b07b6ee36d4986bd67429634417

SHA1
5343ed7b750d6f4b4710380bbd14301936db982e

SHA256
56ea2e765364d6f517e434e8238c96fb0fffef20c8714cf55d41ab98163e66e5

SHA512
4e6a3cbfb3b80abc8f5e23c7142097a180154eec2fa0737378930bba26a14f7601bb8d2d748b2a188cc674656fdfff90d0d5843e23e8c3db8541f5a061fd8af7

Download Submit
C:\Users\Admin\AppData\Local\Temp\BD57.exe
MD5
a9cf6b07b6ee36d4986bd67429634417

SHA1
5343ed7b750d6f4b4710380bbd14301936db982e

SHA256
56ea2e765364d6f517e434e8238c96fb0fffef20c8714cf55d41ab98163e66e5

SHA512
4e6a3cbfb3b80abc8f5e23c7142097a180154eec2fa0737378930bba26a14f7601bb8d2d748b2a188cc674656fdfff90d0d5843e23e8c3db8541f5a061fd8af7

Download Submit
C:\Users\Admin\AppData\Local\Temp\BD57.exe
MD5
a9cf6b07b6ee36d4986bd67429634417

SHA1
5343ed7b750d6f4b4710380bbd14301936db982e

SHA256
56ea2e765364d6f517e434e8238c96fb0fffef20c8714cf55d41ab98163e66e5

SHA512
4e6a3cbfb3b80abc8f5e23c7142097a180154eec2fa0737378930bba26a14f7601bb8d2d748b2a188cc674656fdfff90d0d5843e23e8c3db8541f5a061fd8af7

Download Submit
C:\Users\Admin\AppData\Local\Temp\BD57.exe
MD5
a9cf6b07b6ee36d4986bd67429634417

SHA1
5343ed7b750d6f4b4710380bbd14301936db982e

SHA256
56ea2e765364d6f517e434e8238c96fb0fffef20c8714cf55d41ab98163e66e5

SHA512
4e6a3cbfb3b80abc8f5e23c7142097a180154eec2fa0737378930bba26a14f7601bb8d2d748b2a188cc674656fdfff90d0d5843e23e8c3db8541f5a061fd8af7

Download Submit
C:\Users\Admin\AppData\Local\Temp\D387.exe
MD5
d0c332dd942a7b680063c4eca607f2c4

SHA1
d57b7c95c258c968e7e2f5cd39bf52928cd587fd

SHA256
756f3dc3ceb0db783e3f1cabd10ee6a3af4688147adde714cdea6f226e5f0024

SHA512
70abbdaedfbc7ff4fb06ccd619ad812cb2731e7448d5055a414a609d048fc95067594e2ee74f35284d671b8d618d1914232e20d5cc7d862726a3138c4ec61019

Download Submit
\Users\Admin\AppData\Local\Temp\A2F3.exe
MD5
c33f5b894962328a5167e37c51edecc3

SHA1
c91eb850ab475ff69b6869f30eabcb0fee887e71

SHA256
f3f3e212e84f0c9c375aa5bc3d9de63c2ddc2b5704d784006067390abaae57b3

SHA512
0e331f7f16312edd361cd3e238d92a01952524af1ad8e348731b4fbdb47ef86224b606b3c6a4f67511dceb5a30e77d7357ee9457e16ef99f86283432b04d4937

Download Submit
\Users\Admin\AppData\Local\Temp\BD57.exe
MD5
a9cf6b07b6ee36d4986bd67429634417

SHA1
5343ed7b750d6f4b4710380bbd14301936db982e

SHA256
56ea2e765364d6f517e434e8238c96fb0fffef20c8714cf55d41ab98163e66e5

SHA512
4e6a3cbfb3b80abc8f5e23c7142097a180154eec2fa0737378930bba26a14f7601bb8d2d748b2a188cc674656fdfff90d0d5843e23e8c3db8541f5a061fd8af7

Download Submit
\Users\Admin\AppData\Local\Temp\BD57.exe
MD5
a9cf6b07b6ee36d4986bd67429634417

SHA1
5343ed7b750d6f4b4710380bbd14301936db982e

SHA256
56ea2e765364d6f517e434e8238c96fb0fffef20c8714cf55d41ab98163e66e5

SHA512
4e6a3cbfb3b80abc8f5e23c7142097a180154eec2fa0737378930bba26a14f7601bb8d2d748b2a188cc674656fdfff90d0d5843e23e8c3db8541f5a061fd8af7

Download Submit
memory/520-57-0x0000000000402E0C-mapping.dmp

Download
memory/520-56-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/520-58-0x0000000075901000-0x0000000075903000-memory.dmp

Filesize
8KB

Download
memory/1116-55-0x0000000000918000-0x0000000000929000-memory.dmp

Filesize
68KB

Download
memory/1116-59-0x0000000000030000-0x0000000000039000-memory.dmp

Filesize
36KB

Download
memory/1196-92-0x00000000048B0000-0x00000000048B1000-memory.dmp

Filesize
4KB

Download
memory/1196-90-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1196-88-0x0000000000418D06-mapping.dmp

Download
memory/1196-87-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/1412-70-0x0000000003940000-0x0000000003956000-memory.dmp

Filesize
88KB

Download
memory/1412-60-0x0000000002990000-0x00000000029A6000-memory.dmp

Filesize
88KB

Download
memory/1632-79-0x0000000000000000-mapping.dmp

Download
memory/1632-84-0x00000000001A0000-0x00000000001A1000-memory.dmp

Filesize
4KB

Download
memory/1632-86-0x0000000005430000-0x0000000005431000-memory.dmp

Filesize
4KB

Download
memory/1768-74-0x0000000000830000-0x0000000000831000-memory.dmp

Filesize
4KB

Download
memory/1768-71-0x0000000000000000-mapping.dmp

Download
memory/1996-67-0x0000000000402E0C-mapping.dmp

Download
memory/2008-61-0x0000000000000000-mapping.dmp

Download
memory/2008-63-0x0000000000958000-0x0000000000969000-memory.dmp

Filesize
68KB

Download