snakekeylogger | 43360ff59b5a2c3da25da0025e66947cbcfd5cda3cb7f35b126dd32b5e753281

General

Target

Ibyqgi.exe
Size

15KB
MD5

192c9f5fcb7888a63721eb63ba4b8345
SHA1

0809b8d07380c6fdac0f14d8906ffbd29b821900
SHA256

43360ff59b5a2c3da25da0025e66947cbcfd5cda3cb7f35b126dd32b5e753281
SHA512

75b976b1c5238a38b49b5f225787faf69a66cb41d06d8c9b81bbb53c8403d3d3d85eb3096fa5db4c1745652055e858dc2c14f34aba9bd516fed47d0352298561
SSDEEP

192:fbIlOqEWmUMkloKqzF6Ate1ozTqpKGaOFwCwBeu6I:fbY8WmUMklAoAteaKpuOFwNIx

Score

10^/10

snakekeylogger collection keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5542941782:AAFlsn_FCfYT7D_ZthXK_Udd4a15AE58_Wg/sendMessage?chat_id=2054148913

Signatures

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

Snake Keylogger payload 6 IoCs

resource	yara_rule
behavioral1/memory/1760-66-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1760-68-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1760-69-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1760-70-0x000000000042017E-mapping.dmp	family_snakekeylogger
behavioral1/memory/1760-72-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1760-74-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

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
7	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1612 set thread context of 1760	1612	Ibyqgi.exe	28

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1460	powershell.exe
1760	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1612	Ibyqgi.exe
Token: SeDebugPrivilege	1460	powershell.exe
Token: SeDebugPrivilege	1760	MSBuild.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 1460	1612	Ibyqgi.exe	26
PID 1612 wrote to memory of 1460	1612	Ibyqgi.exe	26
PID 1612 wrote to memory of 1460	1612	Ibyqgi.exe	26
PID 1612 wrote to memory of 1460	1612	Ibyqgi.exe	26
PID 1612 wrote to memory of 1760	1612	Ibyqgi.exe	28
PID 1612 wrote to memory of 1760	1612	Ibyqgi.exe	28
PID 1612 wrote to memory of 1760	1612	Ibyqgi.exe	28
PID 1612 wrote to memory of 1760	1612	Ibyqgi.exe	28
PID 1612 wrote to memory of 1760	1612	Ibyqgi.exe	28
PID 1612 wrote to memory of 1760	1612	Ibyqgi.exe	28
PID 1612 wrote to memory of 1760	1612	Ibyqgi.exe	28
PID 1612 wrote to memory of 1760	1612	Ibyqgi.exe	28
PID 1612 wrote to memory of 1760	1612	Ibyqgi.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\Ibyqgi.exe
"C:\Users\Admin\AppData\Local\Temp\Ibyqgi.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1612
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANgAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1460
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1760

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1460-58-0x0000000000000000-mapping.dmp

Download
memory/1460-60-0x000000006F450000-0x000000006F9FB000-memory.dmp

Filesize
5.7MB

Download
memory/1460-61-0x000000006F450000-0x000000006F9FB000-memory.dmp

Filesize
5.7MB

Download
memory/1460-62-0x000000006F450000-0x000000006F9FB000-memory.dmp

Filesize
5.7MB

Download
memory/1612-54-0x0000000000350000-0x000000000035A000-memory.dmp

Filesize
40KB

Download
memory/1612-55-0x0000000076681000-0x0000000076683000-memory.dmp

Filesize
8KB

Download
memory/1612-56-0x0000000005720000-0x00000000057D2000-memory.dmp

Filesize
712KB

Download
memory/1612-57-0x0000000005580000-0x0000000005612000-memory.dmp

Filesize
584KB

Download
memory/1760-63-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1760-64-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1760-66-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1760-68-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1760-69-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1760-70-0x000000000042017E-mapping.dmp

Download
memory/1760-72-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1760-74-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

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