snakekeylogger | 25449e29a38dc9c7b102b263b6c076a8b45ac2d2149c336ed9c885cd41905a8c

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28-03-2024 22:06

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General

Target

1152d04aafc683d5408838287483364d_JaffaCakes118.exe
Size

646KB
MD5

1152d04aafc683d5408838287483364d
SHA1

61c4ea03c225fe0124419614f16e3709f9ec4700
SHA256

25449e29a38dc9c7b102b263b6c076a8b45ac2d2149c336ed9c885cd41905a8c
SHA512

f00003cbdf7b8131466f7b14426559af027a93d97020fb00572303f4600f285d8f1aeff9ccf1540d7255f5049ce56d285f70343b157c18567e75caaabbbe0208
SSDEEP

12288:XB6jih7jqCKRGm8ec388qtZTKC/aJUxiAmN11K2:XB0o88B3PqtJ/aJPAmxK2

Score

10^/10

snakekeylogger keylogger persistence stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.oceanskylogistics.in
Port:
587
Username:
[email protected]
Password:
Oce@n@1234
Email To:
[email protected]

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger
Snake Keylogger payload 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/3948-12-0x0000000000400000-0x0000000000448000-memory.dmp family_snakekeylogger
Loads dropped DLL 2 IoCs

Processes:

1152d04aafc683d5408838287483364d_JaffaCakes118.exe

pid process

5036 1152d04aafc683d5408838287483364d_JaffaCakes118.exe
5036 1152d04aafc683d5408838287483364d_JaffaCakes118.exe

resource	yara_rule
behavioral2/memory/3948-12-0x0000000000400000-0x0000000000448000-memory.dmp	family_snakekeylogger

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

1152d04aafc683d5408838287483364d_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xnrqjkbppaysnv = "C:\\Users\\Admin\\AppData\\Roaming\\ngpxmaxsn\\lguergtka.exe"	1152d04aafc683d5408838287483364d_JaffaCakes118.exe

Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

6 checkip.dyndns.org
13 freegeoip.app
14 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

1152d04aafc683d5408838287483364d_JaffaCakes118.exe

description pid process target process

PID 5036 set thread context of 3948 5036 1152d04aafc683d5408838287483364d_JaffaCakes118.exe MSBuild.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2212 5036 WerFault.exe 1152d04aafc683d5408838287483364d_JaffaCakes118.exe

flow	ioc
6	checkip.dyndns.org
13	freegeoip.app
14	freegeoip.app

description	pid	process	target process
PID 5036 set thread context of 3948	5036	1152d04aafc683d5408838287483364d_JaffaCakes118.exe	MSBuild.exe

pid	pid_target	process	target process
2212	5036	WerFault.exe	1152d04aafc683d5408838287483364d_JaffaCakes118.exe

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

dw20.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

dw20.exe

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS dw20.exe
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU dw20.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

1152d04aafc683d5408838287483364d_JaffaCakes118.exeMSBuild.exe

pid	process
5036	1152d04aafc683d5408838287483364d_JaffaCakes118.exe
5036	1152d04aafc683d5408838287483364d_JaffaCakes118.exe
5036	1152d04aafc683d5408838287483364d_JaffaCakes118.exe
5036	1152d04aafc683d5408838287483364d_JaffaCakes118.exe
5036	1152d04aafc683d5408838287483364d_JaffaCakes118.exe
5036	1152d04aafc683d5408838287483364d_JaffaCakes118.exe
5036	1152d04aafc683d5408838287483364d_JaffaCakes118.exe
5036	1152d04aafc683d5408838287483364d_JaffaCakes118.exe
3948	MSBuild.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

1152d04aafc683d5408838287483364d_JaffaCakes118.exe

pid process

5036 1152d04aafc683d5408838287483364d_JaffaCakes118.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

MSBuild.exedw20.exe

description pid process

Token: SeDebugPrivilege 3948 MSBuild.exe
Token: SeBackupPrivilege 5044 dw20.exe
Token: SeBackupPrivilege 5044 dw20.exe

description	pid	process
Token: SeDebugPrivilege	3948	MSBuild.exe
Token: SeBackupPrivilege	5044	dw20.exe
Token: SeBackupPrivilege	5044	dw20.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

1152d04aafc683d5408838287483364d_JaffaCakes118.exeMSBuild.exe

description	pid	process	target process
PID 5036 wrote to memory of 3948	5036	1152d04aafc683d5408838287483364d_JaffaCakes118.exe	MSBuild.exe
PID 5036 wrote to memory of 3948	5036	1152d04aafc683d5408838287483364d_JaffaCakes118.exe	MSBuild.exe
PID 5036 wrote to memory of 3948	5036	1152d04aafc683d5408838287483364d_JaffaCakes118.exe	MSBuild.exe
PID 5036 wrote to memory of 3948	5036	1152d04aafc683d5408838287483364d_JaffaCakes118.exe	MSBuild.exe
PID 3948 wrote to memory of 5044	3948	MSBuild.exe	dw20.exe
PID 3948 wrote to memory of 5044	3948	MSBuild.exe	dw20.exe
PID 3948 wrote to memory of 5044	3948	MSBuild.exe	dw20.exe

C:\Users\Admin\AppData\Local\Temp\1152d04aafc683d5408838287483364d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1152d04aafc683d5408838287483364d_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:5036

C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
"C:\Users\Admin\AppData\Local\Temp\1152d04aafc683d5408838287483364d_JaffaCakes118.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3948

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 1756
3⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:5044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5036 -s 876
2⤵
- Program crash
PID:2212

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5036 -ip 5036
1⤵
PID:3836

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads

C:\Users\Admin\AppData\Local\Temp\nst37BB.tmp\System.dll
Filesize
11KB

MD5
fccff8cb7a1067e23fd2e2b63971a8e1

SHA1
30e2a9e137c1223a78a0f7b0bf96a1c361976d91

SHA256
6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e

SHA512
f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c

Download Submit
memory/3948-12-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/3948-13-0x0000000074A80000-0x0000000075031000-memory.dmp

Filesize
5.7MB

Download
memory/3948-14-0x0000000074A80000-0x0000000075031000-memory.dmp

Filesize
5.7MB

Download
memory/3948-15-0x0000000001580000-0x0000000001590000-memory.dmp

Filesize
64KB

Download
memory/3948-22-0x0000000074A80000-0x0000000075031000-memory.dmp

Filesize
5.7MB

Download