snakekeylogger | b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb | Triage

Analysis

max time kernel
119s
max time network
147s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
30-09-2023 13:21

Sharing

Report Analysis Logs

General

Target

b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe
Size

608KB
MD5

c059b627b34942fdb9963290d3bf54d9
SHA1

98f45995e4891fd10a7229d89ac966be044cf8ae
SHA256

b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb
SHA512

553b32c382a2070a76bbb587a243285c9cc8b26dbc0428a035a1cc1d3d622cb47497952ca3c5f53c179972cfba86996140a52668ceb67a5bdf3a9b619a0722c3
SSDEEP

12288:2sXs/PP5KypE/pjWsuaTvWotigoTaqb06yyOi6J:2sc/XEypE/pjvuaTOotLoTJbbOi8

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 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2436-17-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2436-18-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2436-21-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2436-23-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2436-25-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/2436-28-0x0000000004950000-0x0000000004990000-memory.dmp	family_snakekeylogger
behavioral1/memory/2436-30-0x0000000004950000-0x0000000004990000-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:

b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe
Key opened	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe
Key opened	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_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:

b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe

description	pid	process	target process
PID 2836 set thread context of 2436	2836	b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe	b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_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

2616 schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe

pid	process
2436	b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe
2436	b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe

description pid process

Token: SeDebugPrivilege 2436 b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe

description	pid	process	target process
PID 2836 wrote to memory of 2616	2836	b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe	schtasks.exe
PID 2836 wrote to memory of 2616	2836	b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe	schtasks.exe
PID 2836 wrote to memory of 2616	2836	b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe	schtasks.exe
PID 2836 wrote to memory of 2616	2836	b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe	schtasks.exe
PID 2836 wrote to memory of 2436	2836	b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe	b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe
PID 2836 wrote to memory of 2436	2836	b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe	b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe
PID 2836 wrote to memory of 2436	2836	b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe	b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe
PID 2836 wrote to memory of 2436	2836	b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe	b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe
PID 2836 wrote to memory of 2436	2836	b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe	b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe
PID 2836 wrote to memory of 2436	2836	b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe	b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe
PID 2836 wrote to memory of 2436	2836	b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe	b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe
PID 2836 wrote to memory of 2436	2836	b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe	b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe
PID 2836 wrote to memory of 2436	2836	b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe	b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe

outlook_office_path 1 IoCs

Processes:

b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe

outlook_win_path 1 IoCs

Processes:

b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe

C:\Users\Admin\AppData\Local\Temp\b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe
"C:\Users\Admin\AppData\Local\Temp\b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2836

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uxkwHpZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp619.tmp"
2⤵
- Creates scheduled task(s)
PID:2616

C:\Users\Admin\AppData\Local\Temp\b7d2b37cc28a00f2b70eab0d8d20fd07b5f8d4a908b5de1f5ad828fe80edcdfb_JC.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2436

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\tmp619.tmp

Filesize
1KB

MD5
834394168db6bd8d4f7b305c182ff2c3

SHA1
d5e688fa0562429d840e20e1427dfe2038cb896b

SHA256
b6a52422e007bb79ab460ff7b6ed9676d0c2f366658353324dac11941b61ead0

SHA512
b56a6d6c007d66e0be89075da8df7a23f43db45cc54a16d594f260454ddc92214bc088f879f24038ce164f745b7b4f6be4e77bf7f4ca3d2992a346c75e0c66dd

Download Submit
memory/2436-25-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2436-23-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2436-13-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2436-15-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2436-29-0x0000000073F80000-0x000000007466E000-memory.dmp

Filesize
6.9MB

Download
memory/2436-28-0x0000000004950000-0x0000000004990000-memory.dmp

Filesize
256KB

Download
memory/2436-26-0x0000000073F80000-0x000000007466E000-memory.dmp

Filesize
6.9MB

Download
memory/2436-21-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2436-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2436-17-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2436-18-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2436-30-0x0000000004950000-0x0000000004990000-memory.dmp

Filesize
256KB

Download
memory/2836-1-0x0000000073F80000-0x000000007466E000-memory.dmp

Filesize
6.9MB

Download
memory/2836-3-0x000000007EF40000-0x000000007EF50000-memory.dmp

Filesize
64KB

Download
memory/2836-9-0x0000000000C80000-0x0000000000CA6000-memory.dmp

Filesize
152KB

Download
memory/2836-8-0x0000000004800000-0x0000000004872000-memory.dmp

Filesize
456KB

Download
memory/2836-2-0x00000000049A0000-0x00000000049E0000-memory.dmp

Filesize
256KB

Download
memory/2836-0-0x0000000001090000-0x000000000112E000-memory.dmp

Filesize
632KB

Download
memory/2836-27-0x0000000073F80000-0x000000007466E000-memory.dmp

Filesize
6.9MB

Download
memory/2836-7-0x000000007EF40000-0x000000007EF50000-memory.dmp

Filesize
64KB

Download
memory/2836-6-0x00000000049A0000-0x00000000049E0000-memory.dmp

Filesize
256KB

Download
memory/2836-5-0x0000000073F80000-0x000000007466E000-memory.dmp

Filesize
6.9MB

Download
memory/2836-4-0x0000000000380000-0x000000000038C000-memory.dmp

Filesize
48KB

Download