snakekeylogger | 98582996057c7dd314303f6119b6d34d03eaab62f53abe5487b64e9d8c9ac5d1

General

Target

PO#P18620782.exe
Size

598KB
MD5

9e3516338367cb1d76f39f907d912225
SHA1

e64c8000b0d6ba41ef6cbe878f902d742eed658b
SHA256

98582996057c7dd314303f6119b6d34d03eaab62f53abe5487b64e9d8c9ac5d1
SHA512

f7a9d4b43b032c52c3431e8b64e2c16c57f8d1328289329b412f50bbffc5aa824a2059b20ea39601248184668e29df58c305a0c6e7369fba062eaaec586c04e7
SSDEEP

12288:Gd03YyOn6nzxXcq/TbRqr3XhyRxxr91Y+2mD7Fd7I3n5fw/7:xY9n6n7/Whyfn1YG/Fd7I3O/7

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot8152393919:AAFcv9D2OhgJkwW5R_jm9t4Pm6asb_5vQdk/sendMessage?chat_id=1437092720

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/1668-10-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1668-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1668-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1668-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1668-11-0x0000000000400000-0x0000000000426000-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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.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
4	checkip.dyndns.org
8	reallyfreegeoip.org
9	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2268 set thread context of 1668	2268	PO#P18620782.exe	31

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	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO#P18620782.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2268	PO#P18620782.exe
2268	PO#P18620782.exe
1668	MSBuild.exe
1668	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2268	PO#P18620782.exe
Token: SeDebugPrivilege	1668	MSBuild.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 1668	2268	PO#P18620782.exe	31
PID 2268 wrote to memory of 1668	2268	PO#P18620782.exe	31
PID 2268 wrote to memory of 1668	2268	PO#P18620782.exe	31
PID 2268 wrote to memory of 1668	2268	PO#P18620782.exe	31
PID 2268 wrote to memory of 1668	2268	PO#P18620782.exe	31
PID 2268 wrote to memory of 1668	2268	PO#P18620782.exe	31
PID 2268 wrote to memory of 1668	2268	PO#P18620782.exe	31
PID 2268 wrote to memory of 1668	2268	PO#P18620782.exe	31
PID 2268 wrote to memory of 1668	2268	PO#P18620782.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\PO#P18620782.exe
"C:\Users\Admin\AppData\Local\Temp\PO#P18620782.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2268
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1668

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/1668-12-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1668-22-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/1668-21-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/1668-20-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/1668-19-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/1668-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1668-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1668-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1668-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1668-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1668-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1668-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2268-5-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2268-6-0x0000000005A90000-0x0000000005AFA000-memory.dmp

Filesize
424KB

Download
memory/2268-0-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/2268-18-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2268-4-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/2268-3-0x0000000000630000-0x0000000000648000-memory.dmp

Filesize
96KB

Download
memory/2268-2-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2268-1-0x0000000000C20000-0x0000000000CBC000-memory.dmp

Filesize
624KB

Download

Analysis

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