snakekeylogger | 905300b48359955081191b071358e62de4d41f9b8a8358e26866179022d66a40

General

Target

905300b48359955081191b071358e62de4d41f9b8a8358e26866179022d66a40.exe
Size

1.0MB
MD5

f20cc2c5d542b7437e9dada8b6d6378c
SHA1

e417e5fa9c10838e05294ee09bba462ef0111f06
SHA256

905300b48359955081191b071358e62de4d41f9b8a8358e26866179022d66a40
SHA512

9b036545bc54754df16740dbbd3c5ff35f77d25bd1db90a7336ff3d5452d6e092b834470abbc2dd4f7f04e3df613fe74ae1fe5d382115df4d603cf3e7ee24f14
SSDEEP

24576:ffmMv6Ckr7Mny5QLQpioCHNIzbY/0Eutv:f3v+7/5QLZfoE0EuR

Score

10^/10

snakekeylogger discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7952998151:AAFh98iY7kaOlHAR0qftD3ZcqGbQm0TXbBY/sendMessage?chat_id=5692813672

Signatures

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

Snake Keylogger payload 6 IoCs

resource	yara_rule
behavioral2/memory/1852-4-0x0000000000400000-0x0000000000439000-memory.dmp	family_snakekeylogger
behavioral2/memory/1852-3-0x0000000000400000-0x0000000000439000-memory.dmp	family_snakekeylogger
behavioral2/memory/1852-5-0x0000000000400000-0x0000000000439000-memory.dmp	family_snakekeylogger
behavioral2/memory/1852-6-0x0000000000400000-0x0000000000439000-memory.dmp	family_snakekeylogger
behavioral2/memory/1852-8-0x0000000005BA0000-0x0000000005BC6000-memory.dmp	family_snakekeylogger
behavioral2/memory/1852-12-0x0000000000400000-0x0000000000439000-memory.dmp	family_snakekeylogger

Snakekeylogger 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
20	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4080 set thread context of 1852	4080	905300b48359955081191b071358e62de4d41f9b8a8358e26866179022d66a40.exe	87

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5112	4080	WerFault.exe	85

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	905300b48359955081191b071358e62de4d41f9b8a8358e26866179022d66a40.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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
1852	svchost.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4080	905300b48359955081191b071358e62de4d41f9b8a8358e26866179022d66a40.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1852	svchost.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4080 wrote to memory of 1852	4080	905300b48359955081191b071358e62de4d41f9b8a8358e26866179022d66a40.exe	87
PID 4080 wrote to memory of 1852	4080	905300b48359955081191b071358e62de4d41f9b8a8358e26866179022d66a40.exe	87
PID 4080 wrote to memory of 1852	4080	905300b48359955081191b071358e62de4d41f9b8a8358e26866179022d66a40.exe	87
PID 4080 wrote to memory of 1852	4080	905300b48359955081191b071358e62de4d41f9b8a8358e26866179022d66a40.exe	87
PID 1852 wrote to memory of 3892	1852	svchost.exe	95
PID 1852 wrote to memory of 3892	1852	svchost.exe	95
PID 1852 wrote to memory of 3892	1852	svchost.exe	95
PID 3892 wrote to memory of 4632	3892	cmd.exe	97
PID 3892 wrote to memory of 4632	3892	cmd.exe	97
PID 3892 wrote to memory of 4632	3892	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\905300b48359955081191b071358e62de4d41f9b8a8358e26866179022d66a40.exe
"C:\Users\Admin\AppData\Local\Temp\905300b48359955081191b071358e62de4d41f9b8a8358e26866179022d66a40.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4080
- C:\Windows\SysWOW64\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\905300b48359955081191b071358e62de4d41f9b8a8358e26866179022d66a40.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1852
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3892
  - - C:\Windows\SysWOW64\choice.exe
      choice /C Y /N /D Y /T 3
      4⤵
      System Location Discovery: System Language Discovery
      PID:4632
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4080 -s 744
  2⤵
  - Program crash
  PID:5112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4080 -ip 4080
1⤵
PID:3808

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/1852-4-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/1852-3-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/1852-5-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/1852-6-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/1852-7-0x000000007441E000-0x000000007441F000-memory.dmp

Filesize
4KB

Download
memory/1852-8-0x0000000005BA0000-0x0000000005BC6000-memory.dmp

Filesize
152KB

Download
memory/1852-9-0x00000000063C0000-0x0000000006964000-memory.dmp

Filesize
5.6MB

Download
memory/1852-10-0x0000000005F10000-0x0000000005FAC000-memory.dmp

Filesize
624KB

Download
memory/1852-12-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/4080-2-0x0000000004030000-0x0000000004230000-memory.dmp

Filesize
2.0MB

Download

Analysis

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