snakekeylogger | c22cdec62fd282220bfc2277df68b12839f84c5ec1f507e99598be1822038db8

Analysis

max time kernel
31s
max time network
81s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
16/11/2022, 17:51

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General

Target
PI-21-062-P0068.pdf.exe
Size 322KB
Sample221116-we5smscc22
SHA256 c22cdec62fd282220bfc2277df68b12839f84c5ec1f507e99598be1822038db8
MD5 af185295fbc22f9cb6296c0af0882200
SHA1 987911ff198300d7e7caf885dd7d3d4805e2df82
SHA512 8d280127bf20ce234380ccfff40aee28357f3b5bf5f8f501ce12df226de9102945a39b7722abac5f55a495d29b1ade9213d45e0de593b2559075263851ca6cbf
SSDEEP 6144:ZUoGt3Y9lSSxmJpTs8fa6qH/TuNA08+12xYQaXsiE0PVXh1+wh8Gk27:83qSSSdsJ6+TuNA/SQ9iFdh1+K
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

snakekeylogger keylogger stealer

Malware Config

Signatures

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

Snake Keylogger payload 6 IoCs

resource	yara_rule
behavioral1/memory/852-61-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/852-63-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/852-64-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/852-65-0x0000000000420F2E-mapping.dmp	family_snakekeylogger
behavioral1/memory/852-67-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/852-69-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
3	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1292 set thread context of 852	1292	PI-21-062-P0068.pdf.exe	29

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1828	852	WerFault.exe	29

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1292	PI-21-062-P0068.pdf.exe
852	PI-21-062-P0068.pdf.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1292	PI-21-062-P0068.pdf.exe
Token: SeDebugPrivilege	852	PI-21-062-P0068.pdf.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1292 wrote to memory of 340	1292	PI-21-062-P0068.pdf.exe	28
PID 1292 wrote to memory of 340	1292	PI-21-062-P0068.pdf.exe	28
PID 1292 wrote to memory of 340	1292	PI-21-062-P0068.pdf.exe	28
PID 1292 wrote to memory of 340	1292	PI-21-062-P0068.pdf.exe	28
PID 1292 wrote to memory of 852	1292	PI-21-062-P0068.pdf.exe	29
PID 1292 wrote to memory of 852	1292	PI-21-062-P0068.pdf.exe	29
PID 1292 wrote to memory of 852	1292	PI-21-062-P0068.pdf.exe	29
PID 1292 wrote to memory of 852	1292	PI-21-062-P0068.pdf.exe	29
PID 1292 wrote to memory of 852	1292	PI-21-062-P0068.pdf.exe	29
PID 1292 wrote to memory of 852	1292	PI-21-062-P0068.pdf.exe	29
PID 1292 wrote to memory of 852	1292	PI-21-062-P0068.pdf.exe	29
PID 1292 wrote to memory of 852	1292	PI-21-062-P0068.pdf.exe	29
PID 1292 wrote to memory of 852	1292	PI-21-062-P0068.pdf.exe	29
PID 852 wrote to memory of 1828	852	PI-21-062-P0068.pdf.exe	30
PID 852 wrote to memory of 1828	852	PI-21-062-P0068.pdf.exe	30
PID 852 wrote to memory of 1828	852	PI-21-062-P0068.pdf.exe	30
PID 852 wrote to memory of 1828	852	PI-21-062-P0068.pdf.exe	30

C:\Users\Admin\AppData\Local\Temp\PI-21-062-P0068.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\PI-21-062-P0068.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1292
- C:\Users\Admin\AppData\Local\Temp\PI-21-062-P0068.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\PI-21-062-P0068.pdf.exe"
  2⤵
  PID:340
- C:\Users\Admin\AppData\Local\Temp\PI-21-062-P0068.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\PI-21-062-P0068.pdf.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:852
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 852 -s 1152
    3⤵
    - Program crash
    PID:1828

Network

MITRE ATT&CK Matrix

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Downloads

memory/852-58-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/852-59-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/852-61-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/852-63-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/852-64-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/852-67-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/852-69-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/1292-55-0x0000000000430000-0x0000000000472000-memory.dmp

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memory/1292-56-0x0000000074FD1000-0x0000000074FD3000-memory.dmp

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memory/1292-57-0x00000000003E0000-0x00000000003F6000-memory.dmp

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memory/1292-54-0x0000000001030000-0x0000000001086000-memory.dmp

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