snakekeylogger | 66242b095b2cfb53b52d1743a42aaa9fd94c6b53f58869c4b1c9d893a541e3a6

General

Target

NEW890019928200019119882829-PDF.exe
Size

387KB
MD5

abba6f3a66795534c78e8f4a9240affe
SHA1

732c300ac93704f194ac403009ffb9034f5e1957
SHA256

66242b095b2cfb53b52d1743a42aaa9fd94c6b53f58869c4b1c9d893a541e3a6
SHA512

4d50f9be5418a5babf01ecc2d52b7322883700d26455243e912a3a06b496cdfeb1b8bb5a6036cfd8baa6668012b2869c04ba946936fe4f5958179e4cf266044a
SSDEEP

12288:PQXbWUIehwKt8+QBDGVdKOGFXMwBSVyppZ1o:4LauwKtTQBDGVdKOGFzYVD

Score

10^/10

snakekeylogger collection keylogger stealer

Malware Config

Signatures

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

Snake Keylogger payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/960-56-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/960-57-0x00000000004206EE-mapping.dmp	family_snakekeylogger
behavioral1/memory/960-59-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/960-61-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

CasPol.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\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.

Processes:

flow ioc

4 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

NEW890019928200019119882829-PDF.exe

description pid process target process

PID 928 set thread context of 960 928 NEW890019928200019119882829-PDF.exe CasPol.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

CasPol.exe

pid process

960 CasPol.exe
960 CasPol.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

NEW890019928200019119882829-PDF.exeCasPol.exe

description pid process

Token: SeDebugPrivilege 928 NEW890019928200019119882829-PDF.exe
Token: SeDebugPrivilege 960 CasPol.exe

flow	ioc
4	checkip.dyndns.org

description	pid	process	target process
PID 928 set thread context of 960	928	NEW890019928200019119882829-PDF.exe	CasPol.exe

pid	process
960	CasPol.exe
960	CasPol.exe

description	pid	process
Token: SeDebugPrivilege	928	NEW890019928200019119882829-PDF.exe
Token: SeDebugPrivilege	960	CasPol.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

NEW890019928200019119882829-PDF.exe

description	pid	process	target process
PID 928 wrote to memory of 960	928	NEW890019928200019119882829-PDF.exe	CasPol.exe
PID 928 wrote to memory of 960	928	NEW890019928200019119882829-PDF.exe	CasPol.exe
PID 928 wrote to memory of 960	928	NEW890019928200019119882829-PDF.exe	CasPol.exe
PID 928 wrote to memory of 960	928	NEW890019928200019119882829-PDF.exe	CasPol.exe
PID 928 wrote to memory of 960	928	NEW890019928200019119882829-PDF.exe	CasPol.exe
PID 928 wrote to memory of 960	928	NEW890019928200019119882829-PDF.exe	CasPol.exe
PID 928 wrote to memory of 960	928	NEW890019928200019119882829-PDF.exe	CasPol.exe
PID 928 wrote to memory of 960	928	NEW890019928200019119882829-PDF.exe	CasPol.exe
PID 928 wrote to memory of 960	928	NEW890019928200019119882829-PDF.exe	CasPol.exe

outlook_office_path 1 IoCs

Processes:

CasPol.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe

outlook_win_path 1 IoCs

Processes:

CasPol.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe

C:\Users\Admin\AppData\Local\Temp\NEW890019928200019119882829-PDF.exe
"C:\Users\Admin\AppData\Local\Temp\NEW890019928200019119882829-PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:928

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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:960

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/928-54-0x00000000008B0000-0x0000000000916000-memory.dmp

Filesize
408KB

Download
memory/928-55-0x0000000000730000-0x0000000000794000-memory.dmp

Filesize
400KB

Download
memory/960-56-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/960-57-0x00000000004206EE-mapping.dmp

Download
memory/960-59-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/960-61-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/960-62-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads