snakekeylogger | c7e741dba8e474d826781462c684f58c55d22bdab512377a37cef17694a88285

General

Target

c7e741dba8e474d826781462c684f58c55d22bdab512377a37cef17694a88285.exe
Size

484KB
MD5

85d83148598fda2d40262bae27220a9a
SHA1

853ac6c8f88e6b59fa68940e08b8d39ccb1fd1d4
SHA256

c7e741dba8e474d826781462c684f58c55d22bdab512377a37cef17694a88285
SHA512

093ab4251abc876db5e9134a0cec8aee999c6501d55efd0a4d91d1d9d9ff998aee41a047cce7567a83652cf8311c19b1d10046eac52a0bdbddaf70c441f02292
SSDEEP

12288:C3yti4hJw4j0lTKsczeHhu2VkPC19ZcCRPT5p/o4CG:Q4DZfsczeHQ2y6DqeH/oxG

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7125297965:AAFl6eQAjxqGeAfWHpfHbGAtADDAZUyFidM/sendMessage?chat_id=6367688286

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/1760-10-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1760-14-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1760-12-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1760-7-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1760-8-0x0000000000400000-0x0000000000426000-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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2204 set thread context of 1760	2204	c7e741dba8e474d826781462c684f58c55d22bdab512377a37cef17694a88285.exe	32

System Location Discovery: System Language Discovery 1 TTPs 1 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	CasPol.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1760	CasPol.exe
1760	CasPol.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1760	CasPol.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 1760	2204	c7e741dba8e474d826781462c684f58c55d22bdab512377a37cef17694a88285.exe	32
PID 2204 wrote to memory of 1760	2204	c7e741dba8e474d826781462c684f58c55d22bdab512377a37cef17694a88285.exe	32
PID 2204 wrote to memory of 1760	2204	c7e741dba8e474d826781462c684f58c55d22bdab512377a37cef17694a88285.exe	32
PID 2204 wrote to memory of 1760	2204	c7e741dba8e474d826781462c684f58c55d22bdab512377a37cef17694a88285.exe	32
PID 2204 wrote to memory of 1760	2204	c7e741dba8e474d826781462c684f58c55d22bdab512377a37cef17694a88285.exe	32
PID 2204 wrote to memory of 1760	2204	c7e741dba8e474d826781462c684f58c55d22bdab512377a37cef17694a88285.exe	32
PID 2204 wrote to memory of 1760	2204	c7e741dba8e474d826781462c684f58c55d22bdab512377a37cef17694a88285.exe	32
PID 2204 wrote to memory of 1760	2204	c7e741dba8e474d826781462c684f58c55d22bdab512377a37cef17694a88285.exe	32
PID 2204 wrote to memory of 1760	2204	c7e741dba8e474d826781462c684f58c55d22bdab512377a37cef17694a88285.exe	32
PID 2204 wrote to memory of 380	2204	c7e741dba8e474d826781462c684f58c55d22bdab512377a37cef17694a88285.exe	33
PID 2204 wrote to memory of 380	2204	c7e741dba8e474d826781462c684f58c55d22bdab512377a37cef17694a88285.exe	33
PID 2204 wrote to memory of 380	2204	c7e741dba8e474d826781462c684f58c55d22bdab512377a37cef17694a88285.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe

C:\Users\Admin\AppData\Local\Temp\c7e741dba8e474d826781462c684f58c55d22bdab512377a37cef17694a88285.exe
"C:\Users\Admin\AppData\Local\Temp\c7e741dba8e474d826781462c684f58c55d22bdab512377a37cef17694a88285.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.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:1760
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2204 -s 624
  2⤵
  PID:380

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/1760-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1760-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1760-19-0x00000000747C0000-0x0000000074EAE000-memory.dmp

Filesize
6.9MB

Download
memory/1760-18-0x00000000747CE000-0x00000000747CF000-memory.dmp

Filesize
4KB

Download
memory/1760-6-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1760-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1760-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1760-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1760-16-0x00000000747C0000-0x0000000074EAE000-memory.dmp

Filesize
6.9MB

Download
memory/1760-15-0x00000000747CE000-0x00000000747CF000-memory.dmp

Filesize
4KB

Download
memory/1760-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1760-4-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2204-1-0x0000000000F70000-0x0000000000F78000-memory.dmp

Filesize
32KB

Download
memory/2204-2-0x000007FEF5C70000-0x000007FEF665C000-memory.dmp

Filesize
9.9MB

Download
memory/2204-17-0x000007FEF5C70000-0x000007FEF665C000-memory.dmp

Filesize
9.9MB

Download
memory/2204-3-0x00000000005A0000-0x000000000061A000-memory.dmp

Filesize
488KB

Download
memory/2204-0-0x000007FEF5C73000-0x000007FEF5C74000-memory.dmp

Filesize
4KB

Download

Analysis

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