snakekeylogger | b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f

Analysis

max time kernel
144s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
03-07-2024 02:28

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General

Target

b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe
Size

610KB
MD5

fe67d87f3efefadb38a76aca77820504
SHA1

08c9f9f3c9be5b3fb9fbe6dfc3b6875323c3a4ad
SHA256

b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f
SHA512

b19a43da549d0234b1aedc718eef6781d9f5fe7d06eb41fdb0a19b9d35c7627f660b9c956e2411fe94fe5d97ab7c273ef83ecc168c1ae1d28d683433e14414da
SSDEEP

12288:xOaEg1tQwjJ3pOpHY2/KCnmJMh9NbMAs0Dmf5a93CjUlNqph:xpPtQwj7OhmJMh7b1siSKsU3y

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot7049924735:AAGvjcq8A7Onlbh1XDN_9YUW9tENxnyOWZ4/sendMessage?chat_id=5144477649

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/3540-7-0x0000000140000000-0x0000000140024000-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

resource	yara_rule
behavioral2/memory/3540-7-0x0000000140000000-0x0000000140024000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe
Key opened	\REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe
Key opened	\REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.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

31 checkip.dyndns.org

flow	ioc
31	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe

description	pid	process	target process
PID 4720 set thread context of 3540	4720	b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe	b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe

pid process

3540 b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe
3540 b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe

description pid process

Token: SeDebugPrivilege 3540 b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe

pid	process
3540	b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe
3540	b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe

description	pid	process
Token: SeDebugPrivilege	3540	b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe

description	pid	process	target process
PID 4720 wrote to memory of 3540	4720	b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe	b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe
PID 4720 wrote to memory of 3540	4720	b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe	b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe
PID 4720 wrote to memory of 3540	4720	b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe	b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe
PID 4720 wrote to memory of 3540	4720	b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe	b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe
PID 4720 wrote to memory of 3540	4720	b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe	b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe
PID 4720 wrote to memory of 3540	4720	b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe	b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe

outlook_office_path 1 IoCs

Processes:

b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe

outlook_win_path 1 IoCs

Processes:

b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe

C:\Users\Admin\AppData\Local\Temp\b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe
"C:\Users\Admin\AppData\Local\Temp\b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4720

C:\Users\Admin\AppData\Local\Temp\b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe
C:\Users\Admin\AppData\Local\Temp\b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3540

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\b740d4c07f1bfd42085caf8c5df442634f5415bcaffe2050c52a0f3379a5f03f.exe.log
Filesize
1KB

MD5
00e11b196d5ba77191cba469e8925764

SHA1
f1546b803f20c8b4010f862843edc0b0771a681b

SHA256
abfc56372bee93b3c083a66ac449e55f824c5ef64cbb87d656011cc0ff1ec6c1

SHA512
985bd5a4d4f516701e54a4c361dd3a454cb107694cd240336e32365822f49b47f0a2e0cc04ae7866bfd4d142175540bb329f02f3e1b990e9a09c63c2e258f0a7

Download Submit
memory/3540-13-0x0000000002D60000-0x0000000002DB0000-memory.dmp

Filesize
320KB

Download
memory/3540-12-0x00007FFAB7B10000-0x00007FFAB85D1000-memory.dmp

Filesize
10.8MB

Download
memory/3540-17-0x00007FFAB7B10000-0x00007FFAB85D1000-memory.dmp

Filesize
10.8MB

Download
memory/3540-15-0x0000000000CB0000-0x0000000000CC6000-memory.dmp

Filesize
88KB

Download
memory/3540-14-0x000000001E430000-0x000000001E5F2000-memory.dmp

Filesize
1.8MB

Download
memory/3540-7-0x0000000140000000-0x0000000140024000-memory.dmp

Filesize
144KB

Download
memory/3540-11-0x00007FFAB7B10000-0x00007FFAB85D1000-memory.dmp

Filesize
10.8MB

Download
memory/4720-2-0x00007FFAB7B10000-0x00007FFAB85D1000-memory.dmp

Filesize
10.8MB

Download
memory/4720-6-0x000000001CF80000-0x000000001CFE6000-memory.dmp

Filesize
408KB

Download
memory/4720-10-0x00007FFAB7B10000-0x00007FFAB85D1000-memory.dmp

Filesize
10.8MB

Download
memory/4720-1-0x0000000000390000-0x000000000042C000-memory.dmp

Filesize
624KB

Download
memory/4720-0-0x00007FFAB7B13000-0x00007FFAB7B15000-memory.dmp

Filesize
8KB

Download
memory/4720-5-0x0000000002DD0000-0x0000000002DE4000-memory.dmp

Filesize
80KB

Download
memory/4720-4-0x000000001BF30000-0x000000001BF46000-memory.dmp

Filesize
88KB

Download
memory/4720-3-0x0000000002FA0000-0x0000000002FC4000-memory.dmp

Filesize
144KB

Download