snakekeylogger | ac3710ec74a9f12adeb7d84ea6a6ea512c6197d765b2aef9e87a25cbf8d6d9ab

General

Target

hesaphareketi-01.pdf.exe
Size

518KB
MD5

60aae388f17fa2f3a35ef004304e1f77
SHA1

633cb0391060b7072b85ea08641af16ea4ca37f4
SHA256

3acf414852b246c2b13ce4002def7748d070bce40dc48beacc030016b9811487
SHA512

fe99f74c89812209fdb33c0fb51008e41da60ed6ee7df519cbd110d38803a5bb5ded46d66bdf2923a469a71b4073dc5c53734d8d450d31b0c9a227db1ef1fc67
SSDEEP

12288:kaWBJ3EjSlgM8daDFRT5rP5Pnu7eugHwLuX0mVP4:kaWBJ3Esh8d8n9P9u7eugQLa0mK

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/1964-10-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1964-8-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1964-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1964-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1964-17-0x0000000000400000-0x0000000000426000-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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\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 2440 set thread context of 1964	2440	hesaphareketi-01.pdf.exe	30

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
1964	CasPol.exe
1964	CasPol.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1964	CasPol.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 1964	2440	hesaphareketi-01.pdf.exe	30
PID 2440 wrote to memory of 1964	2440	hesaphareketi-01.pdf.exe	30
PID 2440 wrote to memory of 1964	2440	hesaphareketi-01.pdf.exe	30
PID 2440 wrote to memory of 1964	2440	hesaphareketi-01.pdf.exe	30
PID 2440 wrote to memory of 1964	2440	hesaphareketi-01.pdf.exe	30
PID 2440 wrote to memory of 1964	2440	hesaphareketi-01.pdf.exe	30
PID 2440 wrote to memory of 1964	2440	hesaphareketi-01.pdf.exe	30
PID 2440 wrote to memory of 1964	2440	hesaphareketi-01.pdf.exe	30
PID 2440 wrote to memory of 1964	2440	hesaphareketi-01.pdf.exe	30
PID 2440 wrote to memory of 2516	2440	hesaphareketi-01.pdf.exe	31
PID 2440 wrote to memory of 2516	2440	hesaphareketi-01.pdf.exe	31
PID 2440 wrote to memory of 2516	2440	hesaphareketi-01.pdf.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CasPol.exe

C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2440
- 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:1964
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2440 -s 620
  2⤵
  PID:2516

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/1964-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1964-4-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1964-22-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/1964-21-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

Filesize
4KB

Download
memory/1964-6-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1964-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1964-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1964-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1964-19-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/1964-18-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

Filesize
4KB

Download
memory/1964-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1964-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2440-1-0x0000000000D40000-0x0000000000DC4000-memory.dmp

Filesize
528KB

Download
memory/2440-2-0x000000001A650000-0x000000001A6CA000-memory.dmp

Filesize
488KB

Download
memory/2440-20-0x000007FEF5C80000-0x000007FEF666C000-memory.dmp

Filesize
9.9MB

Download
memory/2440-3-0x000007FEF5C80000-0x000007FEF666C000-memory.dmp

Filesize
9.9MB

Download
memory/2440-0-0x000007FEF5C83000-0x000007FEF5C84000-memory.dmp

Filesize
4KB

Download

Analysis

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