snakekeylogger | 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb | Triage

Analysis

max time kernel
120s
max time network
144s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
28-09-2023 18:42

Sharing

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General

Target

37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe
Size

562KB
MD5

a6e27476fcf3b370cb3a39eed9711232
SHA1

6d7248bb673f781a5d93982613c25555f39d7500
SHA256

37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb
SHA512

9a5306dcbeedf1a06aa97bf4d33a061c0af0169b28cfba14f024cc22ce358624631652cf5d8fa8a76f41ff064d1983a5b795ffc53efaf816c1a12faab01eaade
SSDEEP

12288:9u1h+Uw1MMMDMMMACUE1o0WA8jyFVIUfTBOT7d73m:IgMMMDMMMAChWyFZfTgd73m

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6493157304:AAGHAAmVG_ud-GzRlE5SfjpNm92V1vbaysI/sendMessage?chat_id=6518133154

Signatures

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

Snake Keylogger payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2680-19-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2680-21-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2680-25-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2680-27-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2680-29-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2680-32-0x0000000004280000-0x00000000042C0000-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

Email Collection

Processes:

37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe
Key opened	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe
Key opened	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.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

2 checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe

description	pid	process	target process
PID 2560 set thread context of 2680	2560	37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe	37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

2728 schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe

pid	process
2680	37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe
2680	37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe

description pid process

Token: SeDebugPrivilege 2680 37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe

description	pid	process	target process
PID 2560 wrote to memory of 2728	2560	37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe	schtasks.exe
PID 2560 wrote to memory of 2728	2560	37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe	schtasks.exe
PID 2560 wrote to memory of 2728	2560	37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe	schtasks.exe
PID 2560 wrote to memory of 2728	2560	37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe	schtasks.exe
PID 2560 wrote to memory of 2680	2560	37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe	37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe
PID 2560 wrote to memory of 2680	2560	37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe	37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe
PID 2560 wrote to memory of 2680	2560	37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe	37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe
PID 2560 wrote to memory of 2680	2560	37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe	37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe
PID 2560 wrote to memory of 2680	2560	37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe	37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe
PID 2560 wrote to memory of 2680	2560	37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe	37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe
PID 2560 wrote to memory of 2680	2560	37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe	37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe
PID 2560 wrote to memory of 2680	2560	37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe	37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe
PID 2560 wrote to memory of 2680	2560	37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe	37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe

outlook_office_path 1 IoCs

Processes:

37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe

outlook_win_path 1 IoCs

Processes:

37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe

C:\Users\Admin\AppData\Local\Temp\37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe
"C:\Users\Admin\AppData\Local\Temp\37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2560

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WYOKdo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCB99.tmp"
2⤵
- Creates scheduled task(s)
PID:2728

C:\Users\Admin\AppData\Local\Temp\37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Persistence

Scheduled Task/Job

Privilege Escalation

Scheduled Task/Job

Defense Evasion

Credential Access

Unsecured Credentials

Credentials In Files

Discovery

System Information Discovery

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\Temp\tmpCB99.tmp

Filesize
1KB

MD5
fa61baaf23abaed24a204f445012804a

SHA1
ac82eb0517517ca8ce1efe0b48c9e194fcc67f06

SHA256
1820fc409d11c880adaf21e3ad96bd3145b22b7d0b921dcfbf6304fe08ccb4e2

SHA512
3f60881e785112e717d4d94a2aa4255198918b3372f28051a6f741874e0c4a0c03e92ec42bec646826f5342b30fc42d71e9d47449898e1d983271f237ddc0f7a

Download Submit
memory/2560-6-0x00000000744A0000-0x0000000074B8E000-memory.dmp

Filesize
6.9MB

Download
memory/2560-30-0x00000000744A0000-0x0000000074B8E000-memory.dmp

Filesize
6.9MB

Download
memory/2560-11-0x0000000004110000-0x0000000004136000-memory.dmp

Filesize
152KB

Download
memory/2560-4-0x0000000001EF0000-0x0000000001EFC000-memory.dmp

Filesize
48KB

Download
memory/2560-5-0x0000000004BF0000-0x0000000004C30000-memory.dmp

Filesize
256KB

Download
memory/2560-0-0x00000000008C0000-0x0000000000952000-memory.dmp

Filesize
584KB

Download
memory/2560-7-0x0000000004BF0000-0x0000000004C30000-memory.dmp

Filesize
256KB

Download
memory/2560-8-0x000000007EF40000-0x000000007EF50000-memory.dmp

Filesize
64KB

Download
memory/2560-9-0x0000000004BF0000-0x0000000004C30000-memory.dmp

Filesize
256KB

Download
memory/2560-1-0x00000000744A0000-0x0000000074B8E000-memory.dmp

Filesize
6.9MB

Download
memory/2560-3-0x000000007EF40000-0x000000007EF50000-memory.dmp

Filesize
64KB

Download
memory/2560-2-0x0000000004BF0000-0x0000000004C30000-memory.dmp

Filesize
256KB

Download
memory/2560-10-0x0000000005C80000-0x0000000005CF6000-memory.dmp

Filesize
472KB

Download
memory/2680-32-0x0000000004280000-0x00000000042C0000-memory.dmp

Filesize
256KB

Download
memory/2680-19-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2680-21-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2680-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2680-25-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2680-27-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2680-17-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2680-29-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2680-31-0x00000000744A0000-0x0000000074B8E000-memory.dmp

Filesize
6.9MB

Download
memory/2680-15-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download