snakekeylogger | a1d7f17262e1ea8bcc8e1095b93d4203b9007cda54e752205b9358c01cf1c0ed

General

Target

OZJa.exe
Size

458KB
MD5

f764395a696a4dd4b3a010d6bc8208ea
SHA1

22c55366e50f18902f2a4c3a6237b6fa42b1a744
SHA256

a1d7f17262e1ea8bcc8e1095b93d4203b9007cda54e752205b9358c01cf1c0ed
SHA512

2517f0c0d237ec5e9d83254f3980bd7ee17955dbb4027c459e3b4a6c635139bf6ef93ba22bb3c979d76e3008b469a4babf2c419037f1e0f55647723caa912f45
SSDEEP

12288:VvCeU1SvZ951WVDFRWFpNRo5e3g7DvV44r96+tGB:VqeU14/OVfWFpHo5N7Dvm4r/tG

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6735527834:AAH3PffzMarE3Ys8tyS4SQ0IBXrHFKmsmnQ/sendMessage?chat_id=6692536703

Signatures

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

Snake Keylogger payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3900-11-0x0000000000400000-0x0000000000424000-memory.dmp	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 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

Processes:

OZJa.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	OZJa.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	OZJa.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	OZJa.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

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

Processes:

OZJa.exe

description pid process target process

PID 1888 set thread context of 3900 1888 OZJa.exe OZJa.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

OZJa.exe

pid process

3900 OZJa.exe
3900 OZJa.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

OZJa.exe

description pid process

Token: SeDebugPrivilege 3900 OZJa.exe

flow	ioc
18	checkip.dyndns.org

description	pid	process	target process
PID 1888 set thread context of 3900	1888	OZJa.exe	OZJa.exe

pid	process
3900	OZJa.exe
3900	OZJa.exe

description	pid	process
Token: SeDebugPrivilege	3900	OZJa.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

OZJa.exe

description	pid	process	target process
PID 1888 wrote to memory of 3900	1888	OZJa.exe	OZJa.exe
PID 1888 wrote to memory of 3900	1888	OZJa.exe	OZJa.exe
PID 1888 wrote to memory of 3900	1888	OZJa.exe	OZJa.exe
PID 1888 wrote to memory of 3900	1888	OZJa.exe	OZJa.exe
PID 1888 wrote to memory of 3900	1888	OZJa.exe	OZJa.exe
PID 1888 wrote to memory of 3900	1888	OZJa.exe	OZJa.exe
PID 1888 wrote to memory of 3900	1888	OZJa.exe	OZJa.exe
PID 1888 wrote to memory of 3900	1888	OZJa.exe	OZJa.exe

outlook_office_path 1 IoCs

Processes:

OZJa.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	OZJa.exe

outlook_win_path 1 IoCs

Processes:

OZJa.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	OZJa.exe

C:\Users\Admin\AppData\Local\Temp\OZJa.exe
"C:\Users\Admin\AppData\Local\Temp\OZJa.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1888

C:\Users\Admin\AppData\Local\Temp\OZJa.exe
"C:\Users\Admin\AppData\Local\Temp\OZJa.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3900

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

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\OZJa.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1888-10-0x0000000009370000-0x000000000940C000-memory.dmp

Filesize
624KB

Download
memory/1888-15-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/1888-9-0x0000000006A40000-0x0000000006AA0000-memory.dmp

Filesize
384KB

Download
memory/1888-4-0x00000000057E0000-0x00000000057F0000-memory.dmp

Filesize
64KB

Download
memory/1888-5-0x0000000005860000-0x000000000586A000-memory.dmp

Filesize
40KB

Download
memory/1888-6-0x0000000005B20000-0x0000000005B30000-memory.dmp

Filesize
64KB

Download
memory/1888-8-0x0000000005D70000-0x0000000005D7A000-memory.dmp

Filesize
40KB

Download
memory/1888-7-0x0000000005D60000-0x0000000005D68000-memory.dmp

Filesize
32KB

Download
memory/1888-3-0x0000000005870000-0x0000000005902000-memory.dmp

Filesize
584KB

Download
memory/1888-0-0x0000000000F50000-0x0000000000FC8000-memory.dmp

Filesize
480KB

Download
memory/1888-2-0x0000000005D80000-0x0000000006324000-memory.dmp

Filesize
5.6MB

Download
memory/1888-1-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/3900-14-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/3900-11-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3900-16-0x00000000054D0000-0x00000000054E0000-memory.dmp

Filesize
64KB

Download
memory/3900-17-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/3900-18-0x00000000054D0000-0x00000000054E0000-memory.dmp

Filesize
64KB

Download
memory/3900-19-0x0000000006740000-0x0000000006790000-memory.dmp

Filesize
320KB

Download
memory/3900-20-0x0000000006960000-0x0000000006B22000-memory.dmp

Filesize
1.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads