snakekeylogger | d07f3d05d91790637901f276b2b2a13ae4006768c22d9e6576a283a916530e38

General

Target

PURCHASE ORDER PO 428 $ 477.exe
Size

666KB
MD5

8f87cc941a19f7866de8e0a39e27e892
SHA1

fd1f0673716bd5ae106f02f49c7e5eb14a6e74ae
SHA256

d07f3d05d91790637901f276b2b2a13ae4006768c22d9e6576a283a916530e38
SHA512

f5fb87ed54a707a17f5883bd083b84dade1ebe866dd72af1e495b3bfc65f535bb5787f310b44b91fac2534131fc2f9ee978e040fcb4ef0ec0380763956e9c44d
SSDEEP

12288:WKOlbxr0Zu0IO8DfpJ3j1V2Yw+iDMqQ/cEpxOyZ+cstDu2Zhrxtk+i6TIC:Fu/fpJL2cbqiYrAh

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
smtp.yandex.ru
Port:
587
Username:
[email protected]
Password:
project2021blessing

C2

https://api.telegram.org/bot7810622048:AAGlXVtU9EeAX6sumC63y05EJISEAmugavs/sendMessage?chat_id=986310232

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/3080-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Looks up external IP address via web service 3 IoCs

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

flow	ioc
20	checkip.dyndns.org
22	reallyfreegeoip.org
23	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3984 set thread context of 3080	3984	PURCHASE ORDER PO 428 $ 477.exe	95

System Location Discovery: System Language Discovery 1 TTPs 2 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	PURCHASE ORDER PO 428 $ 477.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3080	RegSvcs.exe
3080	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3080	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3984 wrote to memory of 3080	3984	PURCHASE ORDER PO 428 $ 477.exe	95
PID 3984 wrote to memory of 3080	3984	PURCHASE ORDER PO 428 $ 477.exe	95
PID 3984 wrote to memory of 3080	3984	PURCHASE ORDER PO 428 $ 477.exe	95
PID 3984 wrote to memory of 3080	3984	PURCHASE ORDER PO 428 $ 477.exe	95
PID 3984 wrote to memory of 3080	3984	PURCHASE ORDER PO 428 $ 477.exe	95
PID 3984 wrote to memory of 3080	3984	PURCHASE ORDER PO 428 $ 477.exe	95
PID 3984 wrote to memory of 3080	3984	PURCHASE ORDER PO 428 $ 477.exe	95
PID 3984 wrote to memory of 3080	3984	PURCHASE ORDER PO 428 $ 477.exe	95

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER PO 428 $ 477.exe
"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER PO 428 $ 477.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3984
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3080

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

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3080-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3080-18-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/3080-17-0x00000000069E0000-0x0000000006BA2000-memory.dmp

Filesize
1.8MB

Download
memory/3080-16-0x00000000067C0000-0x0000000006810000-memory.dmp

Filesize
320KB

Download
memory/3080-15-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/3080-13-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/3984-4-0x0000000005970000-0x000000000597A000-memory.dmp

Filesize
40KB

Download
memory/3984-7-0x0000000005E50000-0x0000000005E76000-memory.dmp

Filesize
152KB

Download
memory/3984-8-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

Filesize
4KB

Download
memory/3984-9-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/3984-10-0x0000000005310000-0x000000000537A000-memory.dmp

Filesize
424KB

Download
memory/3984-5-0x0000000005C00000-0x0000000005C9C000-memory.dmp

Filesize
624KB

Download
memory/3984-6-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/3984-14-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/3984-0-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

Filesize
4KB

Download
memory/3984-3-0x00000000059C0000-0x0000000005A52000-memory.dmp

Filesize
584KB

Download
memory/3984-2-0x0000000005ED0000-0x0000000006474000-memory.dmp

Filesize
5.6MB

Download
memory/3984-1-0x0000000000EC0000-0x0000000000F6C000-memory.dmp

Filesize
688KB

Download

Analysis

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