snakekeylogger | bd6a6a609c20cb126c827d1ff05b853634deb8626a8c0d81692ba963833c74df

General

Target

Purchase Order No.1643.exe
Size

745KB
MD5

4fc7e2d203505ff6d643ffb8461d1a76
SHA1

4c1330cc42f1d3e61a8f2d423bd5988efbfc2ee8
SHA256

60bfb47f60c7f0a6aa8185734c85849995f497117e38ba2c2e9fdeb1330b0cf1
SHA512

fe1ff91bdb1716b63e12219a2d6a2ddebd9563021bf4e8140fc49666af95f0bb6cd451a3b51ded9b28aba8ee2bcd1023a12ed967732d329766a6a71076d09c3a
SSDEEP

12288:TzSggsiPUYjbVz4YAKmcbkcMTKd6dd8B7L3FeAB:TzbkVUYXm0k9Kd1X9

Score

10^/10

snakekeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
[email protected]
Password:
Psalm@1278

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/1632-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1632-19-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1632-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1632-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1632-9-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order No.1643.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order No.1643.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order No.1643.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 1404 set thread context of 1632	1404	Purchase Order No.1643.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	Purchase Order No.1643.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Purchase Order No.1643.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1632	Purchase Order No.1643.exe
1632	Purchase Order No.1643.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1632	Purchase Order No.1643.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1404 wrote to memory of 1632	1404	Purchase Order No.1643.exe	31
PID 1404 wrote to memory of 1632	1404	Purchase Order No.1643.exe	31
PID 1404 wrote to memory of 1632	1404	Purchase Order No.1643.exe	31
PID 1404 wrote to memory of 1632	1404	Purchase Order No.1643.exe	31
PID 1404 wrote to memory of 1632	1404	Purchase Order No.1643.exe	31
PID 1404 wrote to memory of 1632	1404	Purchase Order No.1643.exe	31
PID 1404 wrote to memory of 1632	1404	Purchase Order No.1643.exe	31
PID 1404 wrote to memory of 1632	1404	Purchase Order No.1643.exe	31
PID 1404 wrote to memory of 1632	1404	Purchase Order No.1643.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order No.1643.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order No.1643.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Order No.1643.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order No.1643.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1404
- C:\Users\Admin\AppData\Local\Temp\Purchase Order No.1643.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase Order No.1643.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:1632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1404-0-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

Filesize
4KB

Download
memory/1404-1-0x0000000000A80000-0x0000000000B40000-memory.dmp

Filesize
768KB

Download
memory/1404-2-0x0000000074B80000-0x000000007526E000-memory.dmp

Filesize
6.9MB

Download
memory/1404-3-0x0000000000590000-0x00000000005AE000-memory.dmp

Filesize
120KB

Download
memory/1404-4-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

Filesize
4KB

Download
memory/1404-5-0x0000000074B80000-0x000000007526E000-memory.dmp

Filesize
6.9MB

Download
memory/1404-6-0x0000000000370000-0x00000000003DC000-memory.dmp

Filesize
432KB

Download
memory/1404-22-0x0000000074B80000-0x000000007526E000-memory.dmp

Filesize
6.9MB

Download
memory/1632-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1632-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1632-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1632-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1632-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1632-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1632-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1632-21-0x0000000074B80000-0x000000007526E000-memory.dmp

Filesize
6.9MB

Download
memory/1632-20-0x0000000074B80000-0x000000007526E000-memory.dmp

Filesize
6.9MB

Download
memory/1632-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1632-23-0x0000000074B80000-0x000000007526E000-memory.dmp

Filesize
6.9MB

Download
memory/1632-24-0x0000000074B80000-0x000000007526E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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