snakekeylogger | a2bcf903e2e35f9d43de040568e1bd0312dd0943a29f8b87861ccf50e66e9957

General

Target

NEW REQUIREMENT PO565432.exe
Size

685KB
MD5

021cc64e8d10efd5bb37d8755e152872
SHA1

223fb05fd7c1fe294999de2456b725e098f1793e
SHA256

a2bcf903e2e35f9d43de040568e1bd0312dd0943a29f8b87861ccf50e66e9957
SHA512

3a63346aeb0a1abffbf542476e86369a71f0b8f0e1a8f8c3feb908a579e0e1fba7e14d62536b16cf11403cd763c22b78a9b6d42b987ede3d3ad31f5ea82d0cca
SSDEEP

12288:fgWVeEfxkEmbGq3rNV22td/HSLthAYLdG85KJDJVkA2/+L6:4WVeEZNmN3P22X6RNyDJyA2WL

Score

10^/10

snakekeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot8142299351:AAFDTrtIpOoWWO5SiyZfI7QSQ2VJ59N65c8/sendMessage?chat_id=595808702

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/1520-11-0x0000000000400000-0x0000000000426000-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-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW REQUIREMENT PO565432.exe
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW REQUIREMENT PO565432.exe
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW REQUIREMENT PO565432.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
33	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2432 set thread context of 1520	2432	NEW REQUIREMENT PO565432.exe	102

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	NEW REQUIREMENT PO565432.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NEW REQUIREMENT PO565432.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2432	NEW REQUIREMENT PO565432.exe
2432	NEW REQUIREMENT PO565432.exe
2432	NEW REQUIREMENT PO565432.exe
2432	NEW REQUIREMENT PO565432.exe
2432	NEW REQUIREMENT PO565432.exe
2432	NEW REQUIREMENT PO565432.exe
2432	NEW REQUIREMENT PO565432.exe
2432	NEW REQUIREMENT PO565432.exe
2432	NEW REQUIREMENT PO565432.exe
1520	NEW REQUIREMENT PO565432.exe
1520	NEW REQUIREMENT PO565432.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2432	NEW REQUIREMENT PO565432.exe
Token: SeDebugPrivilege	1520	NEW REQUIREMENT PO565432.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 1520	2432	NEW REQUIREMENT PO565432.exe	102
PID 2432 wrote to memory of 1520	2432	NEW REQUIREMENT PO565432.exe	102
PID 2432 wrote to memory of 1520	2432	NEW REQUIREMENT PO565432.exe	102
PID 2432 wrote to memory of 1520	2432	NEW REQUIREMENT PO565432.exe	102
PID 2432 wrote to memory of 1520	2432	NEW REQUIREMENT PO565432.exe	102
PID 2432 wrote to memory of 1520	2432	NEW REQUIREMENT PO565432.exe	102
PID 2432 wrote to memory of 1520	2432	NEW REQUIREMENT PO565432.exe	102
PID 2432 wrote to memory of 1520	2432	NEW REQUIREMENT PO565432.exe	102

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW REQUIREMENT PO565432.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEW REQUIREMENT PO565432.exe

C:\Users\Admin\AppData\Local\Temp\NEW REQUIREMENT PO565432.exe
"C:\Users\Admin\AppData\Local\Temp\NEW REQUIREMENT PO565432.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2432
- C:\Users\Admin\AppData\Local\Temp\NEW REQUIREMENT PO565432.exe
  "C:\Users\Admin\AppData\Local\Temp\NEW REQUIREMENT PO565432.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:1520

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\NEW REQUIREMENT PO565432.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1520-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1520-19-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/1520-18-0x00000000070B0000-0x0000000007272000-memory.dmp

Filesize
1.8MB

Download
memory/1520-17-0x0000000006E90000-0x0000000006EE0000-memory.dmp

Filesize
320KB

Download
memory/1520-16-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/1520-14-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/2432-4-0x00000000059C0000-0x00000000059CA000-memory.dmp

Filesize
40KB

Download
memory/2432-8-0x0000000006BD0000-0x0000000006BEC000-memory.dmp

Filesize
112KB

Download
memory/2432-9-0x0000000005320000-0x0000000005388000-memory.dmp

Filesize
416KB

Download
memory/2432-10-0x000000000DC60000-0x000000000DCFC000-memory.dmp

Filesize
624KB

Download
memory/2432-7-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/2432-6-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

Filesize
4KB

Download
memory/2432-5-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/2432-15-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/2432-0-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

Filesize
4KB

Download
memory/2432-3-0x0000000005900000-0x0000000005992000-memory.dmp

Filesize
584KB

Download
memory/2432-2-0x0000000005EB0000-0x0000000006454000-memory.dmp

Filesize
5.6MB

Download
memory/2432-1-0x0000000000E50000-0x0000000000F02000-memory.dmp

Filesize
712KB

Download

Analysis

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