snakekeylogger | 74016b927469a965edfc8bfb29d943b08f71cf2e4b6e756d739b1e926c859439

General

Target

rPayment_slip.exe
Size

969KB
MD5

743ab8e823bb4d5fafa96b6334c0ce4d
SHA1

61982f5dda24433c87ed4c24e9f9261c115d84ed
SHA256

74016b927469a965edfc8bfb29d943b08f71cf2e4b6e756d739b1e926c859439
SHA512

b9c6ad2f627c2889af8ce4f88956e68d9433eac82217f944f1c6a59a1e50689245792e1ddfdf68c9b1f8b3637ecff22abffebcb43346cdc2443babab6d8bbe06
SSDEEP

12288:ALkcoxg7v3qnC11ErwIhh0F4qwUgUny5QYEAmD4M+4x88WncL51fG9hcGTa:WfmMv6Ckr7Mny5QYjY88WcNL0a

Score

10^/10

snakekeylogger discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.zarlynx.com
Port:
587
Username:
[email protected]
Password:
mrafie12345678910
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 3 IoCs

resource	yara_rule
behavioral1/memory/2456-3-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2456-5-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2456-7-0x0000000000400000-0x0000000000426000-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 1720 set thread context of 2456	1720	rPayment_slip.exe	31

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	rPayment_slip.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.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 1 IoCs

pid	Process
2456	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1720	rPayment_slip.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2456	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 2456	1720	rPayment_slip.exe	31
PID 1720 wrote to memory of 2456	1720	rPayment_slip.exe	31
PID 1720 wrote to memory of 2456	1720	rPayment_slip.exe	31
PID 1720 wrote to memory of 2456	1720	rPayment_slip.exe	31
PID 1720 wrote to memory of 2456	1720	rPayment_slip.exe	31
PID 1720 wrote to memory of 2456	1720	rPayment_slip.exe	31
PID 1720 wrote to memory of 2456	1720	rPayment_slip.exe	31
PID 1720 wrote to memory of 2456	1720	rPayment_slip.exe	31
PID 2456 wrote to memory of 2844	2456	RegSvcs.exe	32
PID 2456 wrote to memory of 2844	2456	RegSvcs.exe	32
PID 2456 wrote to memory of 2844	2456	RegSvcs.exe	32
PID 2456 wrote to memory of 2844	2456	RegSvcs.exe	32
PID 2844 wrote to memory of 2252	2844	cmd.exe	34
PID 2844 wrote to memory of 2252	2844	cmd.exe	34
PID 2844 wrote to memory of 2252	2844	cmd.exe	34
PID 2844 wrote to memory of 2252	2844	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\rPayment_slip.exe
"C:\Users\Admin\AppData\Local\Temp\rPayment_slip.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\rPayment_slip.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2456
- - 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\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2844
  - - C:\Windows\SysWOW64\choice.exe
      choice /C Y /N /D Y /T 3
      4⤵
      System Location Discovery: System Language Discovery
      PID:2252

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

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/1720-2-0x0000000003DD0000-0x00000000041D0000-memory.dmp

Filesize
4.0MB

Download
memory/2456-3-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2456-5-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2456-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2456-8-0x00000000748CE000-0x00000000748CF000-memory.dmp

Filesize
4KB

Download
memory/2456-9-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/2456-10-0x00000000748CE000-0x00000000748CF000-memory.dmp

Filesize
4KB

Download
memory/2456-11-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/2456-12-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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