snakekeylogger | 51cd37c383bd65bb2631c9ed4aebb75dca4d84b53192f53039ca3a84068ccab2

Analysis

max time kernel
121s
max time network
135s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
14/07/2023, 06:41

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General

Target

CA0001758617120.exe
Size

836KB
MD5

c2d1a785631c83396916bdd8518816ff
SHA1

dcee076cb2e9aaa1aaa7afa3eb3459f0b416abbf
SHA256

51cd37c383bd65bb2631c9ed4aebb75dca4d84b53192f53039ca3a84068ccab2
SHA512

d4149c5edae9796d714125931a285803ec52a55a00d84a51f74248082dc491d6c3864bf963d3554f4f180a493ca86bf6737fd007f7beabf3bed39a3b173151cf
SSDEEP

6144:ie6MWk/df5/E4ay46AFlKQu4EKOQyCQKw6/zaDqp9/j4OCAqkg9sivaEZTq/YYO:v6aVAjFEKOQFQKwulp9/0jAzgX3hq/Y

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot2106150449:AAHIwsHmr23aQkTnyeD_XA0cTAX8yk2mXFM/sendMessage?chat_id=1990813371

Signatures

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

Snake Keylogger payload 6 IoCs

resource	yara_rule
behavioral1/memory/2768-121-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2768-123-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2768-127-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2768-129-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2768-133-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2768-135-0x0000000004BD0000-0x0000000004C10000-memory.dmp	family_snakekeylogger

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\anydesk.exe.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\anydesk.exe.exe	Powershell.exe

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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CA0001758617120.exe
Key opened	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CA0001758617120.exe
Key opened	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CA0001758617120.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
2	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3052 set thread context of 2768	3052	CA0001758617120.exe	30

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1120	Powershell.exe
2768	CA0001758617120.exe
2768	CA0001758617120.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3052	CA0001758617120.exe
Token: SeDebugPrivilege	1120	Powershell.exe
Token: SeDebugPrivilege	2768	CA0001758617120.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 1120	3052	CA0001758617120.exe	28
PID 3052 wrote to memory of 1120	3052	CA0001758617120.exe	28
PID 3052 wrote to memory of 1120	3052	CA0001758617120.exe	28
PID 3052 wrote to memory of 1120	3052	CA0001758617120.exe	28
PID 3052 wrote to memory of 2768	3052	CA0001758617120.exe	30
PID 3052 wrote to memory of 2768	3052	CA0001758617120.exe	30
PID 3052 wrote to memory of 2768	3052	CA0001758617120.exe	30
PID 3052 wrote to memory of 2768	3052	CA0001758617120.exe	30
PID 3052 wrote to memory of 2768	3052	CA0001758617120.exe	30
PID 3052 wrote to memory of 2768	3052	CA0001758617120.exe	30
PID 3052 wrote to memory of 2768	3052	CA0001758617120.exe	30
PID 3052 wrote to memory of 2768	3052	CA0001758617120.exe	30
PID 3052 wrote to memory of 2768	3052	CA0001758617120.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CA0001758617120.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CA0001758617120.exe

C:\Users\Admin\AppData\Local\Temp\CA0001758617120.exe
"C:\Users\Admin\AppData\Local\Temp\CA0001758617120.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
  "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\CA0001758617120.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\anydesk.exe.exe'
  2⤵
  - Drops startup file
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1120
- C:\Users\Admin\AppData\Local\Temp\CA0001758617120.exe
  "C:\Users\Admin\AppData\Local\Temp\CA0001758617120.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2768

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1120-62-0x0000000002660000-0x00000000026A0000-memory.dmp

Filesize
256KB

Download
memory/1120-115-0x0000000002660000-0x00000000026A0000-memory.dmp

Filesize
256KB

Download
memory/1120-63-0x0000000002660000-0x00000000026A0000-memory.dmp

Filesize
256KB

Download
memory/1120-137-0x000000006EE00000-0x000000006F3AB000-memory.dmp

Filesize
5.7MB

Download
memory/1120-60-0x000000006EE00000-0x000000006F3AB000-memory.dmp

Filesize
5.7MB

Download
memory/1120-61-0x000000006EE00000-0x000000006F3AB000-memory.dmp

Filesize
5.7MB

Download
memory/2768-135-0x0000000004BD0000-0x0000000004C10000-memory.dmp

Filesize
256KB

Download
memory/2768-138-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2768-139-0x0000000004BD0000-0x0000000004C10000-memory.dmp

Filesize
256KB

Download
memory/2768-134-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2768-133-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2768-129-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2768-127-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2768-125-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2768-123-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2768-121-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2768-119-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2768-117-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3052-76-0x0000000000570000-0x0000000000593000-memory.dmp

Filesize
140KB

Download
memory/3052-104-0x0000000000570000-0x0000000000593000-memory.dmp

Filesize
140KB

Download
memory/3052-112-0x0000000000570000-0x0000000000593000-memory.dmp

Filesize
140KB

Download
memory/3052-114-0x0000000000570000-0x0000000000593000-memory.dmp

Filesize
140KB

Download
memory/3052-110-0x0000000000570000-0x0000000000593000-memory.dmp

Filesize
140KB

Download
memory/3052-106-0x0000000000570000-0x0000000000593000-memory.dmp

Filesize
140KB

Download
memory/3052-102-0x0000000000570000-0x0000000000593000-memory.dmp

Filesize
140KB

Download
memory/3052-100-0x0000000000570000-0x0000000000593000-memory.dmp

Filesize
140KB

Download
memory/3052-96-0x0000000000570000-0x0000000000593000-memory.dmp

Filesize
140KB

Download
memory/3052-94-0x0000000000570000-0x0000000000593000-memory.dmp

Filesize
140KB

Download
memory/3052-90-0x0000000000570000-0x0000000000593000-memory.dmp

Filesize
140KB

Download
memory/3052-86-0x0000000000570000-0x0000000000593000-memory.dmp

Filesize
140KB

Download
memory/3052-82-0x0000000000570000-0x0000000000593000-memory.dmp

Filesize
140KB

Download
memory/3052-78-0x0000000000570000-0x0000000000593000-memory.dmp

Filesize
140KB

Download
memory/3052-74-0x0000000000570000-0x0000000000593000-memory.dmp

Filesize
140KB

Download
memory/3052-68-0x0000000000570000-0x0000000000593000-memory.dmp

Filesize
140KB

Download
memory/3052-65-0x0000000000570000-0x0000000000593000-memory.dmp

Filesize
140KB

Download
memory/3052-108-0x0000000000570000-0x0000000000593000-memory.dmp

Filesize
140KB

Download
memory/3052-116-0x0000000000690000-0x0000000000691000-memory.dmp

Filesize
4KB

Download
memory/3052-98-0x0000000000570000-0x0000000000593000-memory.dmp

Filesize
140KB

Download
memory/3052-92-0x0000000000570000-0x0000000000593000-memory.dmp

Filesize
140KB

Download
memory/3052-88-0x0000000000570000-0x0000000000593000-memory.dmp

Filesize
140KB

Download
memory/3052-84-0x0000000000570000-0x0000000000593000-memory.dmp

Filesize
140KB

Download
memory/3052-80-0x0000000000570000-0x0000000000593000-memory.dmp

Filesize
140KB

Download
memory/3052-55-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/3052-72-0x0000000000570000-0x0000000000593000-memory.dmp

Filesize
140KB

Download
memory/3052-132-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/3052-70-0x0000000000570000-0x0000000000593000-memory.dmp

Filesize
140KB

Download
memory/3052-66-0x0000000000570000-0x0000000000593000-memory.dmp

Filesize
140KB

Download
memory/3052-64-0x0000000000570000-0x000000000059A000-memory.dmp

Filesize
168KB

Download
memory/3052-57-0x0000000000C70000-0x0000000000CDE000-memory.dmp

Filesize
440KB

Download
memory/3052-56-0x00000000043F0000-0x0000000004430000-memory.dmp

Filesize
256KB

Download
memory/3052-54-0x0000000000D30000-0x0000000000E06000-memory.dmp

Filesize
856KB

Download