snakekeylogger | 81d9bf0b215b180b801f6f9122d38823a951f32aa7224ee63cbb25daf374d637

General

Target

Urgent Purchase Order.exe
Size

1.0MB
MD5

dafa52752458a225e50c37fe83869ee8
SHA1

ff4ee0eee3d88d484b7eb544071c2b782a76c1fd
SHA256

78c7a8275481c0695385f98d7826643a2132be000bdac4bb03c396c9f21c9833
SHA512

2bb1322a7a237d9f78c7893a09de08977ded4596946fd0e1c0c0069aba93072563ab90b732e4274090aa4b36eb42bc56c26ea1c41198382c761b8563b305957c
SSDEEP

12288:FhmXpjqj6jRPLjRPqjBjjyjBjBjBjBjLj8QJkPv+wYLaStPgt1senlKdBrVa5Th:bmo2wYLltPgtdlArVa5

Score

10^/10

snakekeylogger collection credential_access discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot1171994922:AAHrYAv7JIpM5hzPMScAJJOdE7TBb00NwJY/sendMessage?chat_id=1194949947

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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 2 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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Urgent Purchase Order.exe
Key opened	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Urgent Purchase Order.exe
Key opened	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Urgent Purchase Order.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
62	checkip.dyndns.org
65	freegeoip.app
66	freegeoip.app

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2928 set thread context of 792	2928	Urgent Purchase Order.exe	106

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4632	792	WerFault.exe	106

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	Urgent Purchase Order.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Urgent Purchase Order.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
792	Urgent Purchase Order.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	792	Urgent Purchase Order.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 792	2928	Urgent Purchase Order.exe	106
PID 2928 wrote to memory of 792	2928	Urgent Purchase Order.exe	106
PID 2928 wrote to memory of 792	2928	Urgent Purchase Order.exe	106
PID 2928 wrote to memory of 792	2928	Urgent Purchase Order.exe	106
PID 2928 wrote to memory of 792	2928	Urgent Purchase Order.exe	106
PID 2928 wrote to memory of 792	2928	Urgent Purchase Order.exe	106
PID 2928 wrote to memory of 792	2928	Urgent Purchase Order.exe	106
PID 2928 wrote to memory of 792	2928	Urgent Purchase Order.exe	106

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Urgent Purchase Order.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Urgent Purchase Order.exe

C:\Users\Admin\AppData\Local\Temp\Urgent Purchase Order.exe
"C:\Users\Admin\AppData\Local\Temp\Urgent Purchase Order.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Users\Admin\AppData\Local\Temp\Urgent Purchase Order.exe
  "C:\Users\Admin\AppData\Local\Temp\Urgent Purchase Order.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:792
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 792 -s 1796
    3⤵
    - Program crash
    PID:4632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 372 -p 792 -ip 792
1⤵
PID:3008

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Urgent Purchase Order.exe.log

Filesize
1KB

MD5
bb3d30439ec1e6435c3eac4df8c1d2e3

SHA1
c901d5946e53ae0a9e2417c8dfaf5786a0037422

SHA256
182adf89e57f80a92db9a5e13105cd59544f37855ca35f98116a0182ddd3b2e6

SHA512
d3547aadf665ce2552b3dfa350b80a5e813aa346870fb2b05a3b998096eebf563143bffe964e0f7243761b79420d1adf02f735779902901d1a41a1f35c557572

Download Submit
memory/792-16-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/792-23-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/792-22-0x0000000007060000-0x0000000007222000-memory.dmp

Filesize
1.8MB

Download
memory/792-21-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/792-19-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/2928-5-0x0000000005A60000-0x0000000005A6A000-memory.dmp

Filesize
40KB

Download
memory/2928-6-0x0000000005D10000-0x0000000005D66000-memory.dmp

Filesize
344KB

Download
memory/2928-8-0x0000000006680000-0x00000000069D4000-memory.dmp

Filesize
3.3MB

Download
memory/2928-12-0x0000000006AA0000-0x0000000006AAA000-memory.dmp

Filesize
40KB

Download
memory/2928-13-0x000000007450E000-0x000000007450F000-memory.dmp

Filesize
4KB

Download
memory/2928-14-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/2928-15-0x0000000009000000-0x0000000009092000-memory.dmp

Filesize
584KB

Download
memory/2928-7-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/2928-0-0x000000007450E000-0x000000007450F000-memory.dmp

Filesize
4KB

Download
memory/2928-4-0x0000000005B20000-0x0000000005BB2000-memory.dmp

Filesize
584KB

Download
memory/2928-20-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/2928-3-0x00000000060D0000-0x0000000006674000-memory.dmp

Filesize
5.6MB

Download
memory/2928-2-0x0000000005A80000-0x0000000005B1C000-memory.dmp

Filesize
624KB

Download
memory/2928-1-0x0000000000FB0000-0x00000000010BC000-memory.dmp

Filesize
1.0MB

Download

Analysis

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