snakekeylogger | e3943672b62d0091f373faef1565c6bc328b9fa97ce1a3f6e76b06596ad38fc4

General

Target

e3943672b62d0091f373faef1565c6bc328b9fa97ce1a3f6e76b06596ad38fc4.exe
Size

2.0MB
MD5

f107093ca8c59b80610b4169011e191b
SHA1

92c71dd5a306556b5e114bc044dce66672bf5dbd
SHA256

e3943672b62d0091f373faef1565c6bc328b9fa97ce1a3f6e76b06596ad38fc4
SHA512

4474bdba442d64fb680b36cbfd8c75c66287fb2643d0f869ef087799d5388b16d7422bf4f9049258bb325678966763c038dae69268172dcde03fcf21701ef651
SSDEEP

12288:m6G6SmMovrikZH/IOxg5p6Z0PuHufm4to544VmxSfXwPzWwPW:V/MoD5VOBnLW

Score

10^/10

snakekeylogger discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5959992477:AAHE-7vhpGmcidn94EXH2Dz0foqgJdGDb1E/sendMessage?chat_id=6070433873

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2600-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2600-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2600-20-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2600-24-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2600-22-0x0000000000400000-0x0000000000426000-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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1728 set thread context of 2600	1728	e3943672b62d0091f373faef1565c6bc328b9fa97ce1a3f6e76b06596ad38fc4.exe	30

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e3943672b62d0091f373faef1565c6bc328b9fa97ce1a3f6e76b06596ad38fc4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	choice.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1728	e3943672b62d0091f373faef1565c6bc328b9fa97ce1a3f6e76b06596ad38fc4.exe
1728	e3943672b62d0091f373faef1565c6bc328b9fa97ce1a3f6e76b06596ad38fc4.exe
1728	e3943672b62d0091f373faef1565c6bc328b9fa97ce1a3f6e76b06596ad38fc4.exe
2600	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1728	e3943672b62d0091f373faef1565c6bc328b9fa97ce1a3f6e76b06596ad38fc4.exe
Token: SeDebugPrivilege	2600	InstallUtil.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 2600	1728	e3943672b62d0091f373faef1565c6bc328b9fa97ce1a3f6e76b06596ad38fc4.exe	30
PID 1728 wrote to memory of 2600	1728	e3943672b62d0091f373faef1565c6bc328b9fa97ce1a3f6e76b06596ad38fc4.exe	30
PID 1728 wrote to memory of 2600	1728	e3943672b62d0091f373faef1565c6bc328b9fa97ce1a3f6e76b06596ad38fc4.exe	30
PID 1728 wrote to memory of 2600	1728	e3943672b62d0091f373faef1565c6bc328b9fa97ce1a3f6e76b06596ad38fc4.exe	30
PID 1728 wrote to memory of 2600	1728	e3943672b62d0091f373faef1565c6bc328b9fa97ce1a3f6e76b06596ad38fc4.exe	30
PID 1728 wrote to memory of 2600	1728	e3943672b62d0091f373faef1565c6bc328b9fa97ce1a3f6e76b06596ad38fc4.exe	30
PID 1728 wrote to memory of 2600	1728	e3943672b62d0091f373faef1565c6bc328b9fa97ce1a3f6e76b06596ad38fc4.exe	30
PID 1728 wrote to memory of 2600	1728	e3943672b62d0091f373faef1565c6bc328b9fa97ce1a3f6e76b06596ad38fc4.exe	30
PID 1728 wrote to memory of 2600	1728	e3943672b62d0091f373faef1565c6bc328b9fa97ce1a3f6e76b06596ad38fc4.exe	30
PID 1728 wrote to memory of 2600	1728	e3943672b62d0091f373faef1565c6bc328b9fa97ce1a3f6e76b06596ad38fc4.exe	30
PID 1728 wrote to memory of 2600	1728	e3943672b62d0091f373faef1565c6bc328b9fa97ce1a3f6e76b06596ad38fc4.exe	30
PID 1728 wrote to memory of 2600	1728	e3943672b62d0091f373faef1565c6bc328b9fa97ce1a3f6e76b06596ad38fc4.exe	30
PID 2600 wrote to memory of 2900	2600	InstallUtil.exe	32
PID 2600 wrote to memory of 2900	2600	InstallUtil.exe	32
PID 2600 wrote to memory of 2900	2600	InstallUtil.exe	32
PID 2600 wrote to memory of 2900	2600	InstallUtil.exe	32
PID 2900 wrote to memory of 1748	2900	cmd.exe	34
PID 2900 wrote to memory of 1748	2900	cmd.exe	34
PID 2900 wrote to memory of 1748	2900	cmd.exe	34
PID 2900 wrote to memory of 1748	2900	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\e3943672b62d0091f373faef1565c6bc328b9fa97ce1a3f6e76b06596ad38fc4.exe
"C:\Users\Admin\AppData\Local\Temp\e3943672b62d0091f373faef1565c6bc328b9fa97ce1a3f6e76b06596ad38fc4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2600
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2900
  - - C:\Windows\SysWOW64\choice.exe
      choice /C Y /N /D Y /T 3
      4⤵
      System Location Discovery: System Language Discovery
      PID:1748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1728-19-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download
memory/1728-1-0x0000000000860000-0x0000000000A5C000-memory.dmp

Filesize
2.0MB

Download
memory/1728-2-0x0000000004890000-0x000000000492E000-memory.dmp

Filesize
632KB

Download
memory/1728-3-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download
memory/1728-4-0x000000007490E000-0x000000007490F000-memory.dmp

Filesize
4KB

Download
memory/1728-5-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download
memory/1728-6-0x0000000000550000-0x000000000056A000-memory.dmp

Filesize
104KB

Download
memory/1728-7-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/1728-8-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download
memory/1728-25-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download
memory/1728-0-0x000000007490E000-0x000000007490F000-memory.dmp

Filesize
4KB

Download
memory/2600-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2600-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2600-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2600-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2600-20-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2600-24-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2600-22-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2600-26-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download
memory/2600-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2600-27-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download
memory/2600-28-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download
memory/2600-29-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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