snakekeylogger | 69ee82a6768795d07d99bfa267bf0ecfdde55651ba756338c448b0735db3f59e

General

Target

Pdznjmwmori.exe
Size

23KB
MD5

7fe389096fa318c3f3cb73fcf58973ea
SHA1

61b3c643ffcf012bcb8f850a654af71eef6b2748
SHA256

69ee82a6768795d07d99bfa267bf0ecfdde55651ba756338c448b0735db3f59e
SHA512

d84202c2a7ca3f611737b88054adbe3fa841d55ad6baa498f9bc262a57cf3751fb1c9705457fd5b78934ad22694c793fb925f9e2a3f1576c77eb8bd26ff48dd3
SSDEEP

384:JkvLCxRRfB5bGvdGsynUXkOaXYs1dFFq88afXpBC88aHXpK:2vLCTRpFZHf7JfXfRHXE

Score

10^/10

snakekeylogger collection keylogger persistence stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6563963046:AAGlyBHZ_ALQCHnOUZcYa0FHqP2za43gVaM/sendMessage?chat_id=5262627523

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/3880-9-0x0000000140000000-0x0000000140022000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Pdznjmwmori.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wwwww = "C:\\Users\\Admin\\AppData\\Roaming\\wwwww.exe"	Pdznjmwmori.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

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

Processes:

Pdznjmwmori.exe

description pid process target process

PID 4740 set thread context of 3880 4740 Pdznjmwmori.exe MSBuild.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

MSBuild.exe

pid process

3880 MSBuild.exe
3880 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Pdznjmwmori.exeMSBuild.exe

description pid process

Token: SeDebugPrivilege 4740 Pdznjmwmori.exe
Token: SeDebugPrivilege 3880 MSBuild.exe

flow	ioc
54	checkip.dyndns.org

description	pid	process	target process
PID 4740 set thread context of 3880	4740	Pdznjmwmori.exe	MSBuild.exe

pid	process
3880	MSBuild.exe
3880	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	4740	Pdznjmwmori.exe
Token: SeDebugPrivilege	3880	MSBuild.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

Pdznjmwmori.exe

description	pid	process	target process
PID 4740 wrote to memory of 3880	4740	Pdznjmwmori.exe	MSBuild.exe
PID 4740 wrote to memory of 3880	4740	Pdznjmwmori.exe	MSBuild.exe
PID 4740 wrote to memory of 3880	4740	Pdznjmwmori.exe	MSBuild.exe
PID 4740 wrote to memory of 3880	4740	Pdznjmwmori.exe	MSBuild.exe
PID 4740 wrote to memory of 3880	4740	Pdznjmwmori.exe	MSBuild.exe
PID 4740 wrote to memory of 3880	4740	Pdznjmwmori.exe	MSBuild.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1045988481-1457812719-2617974652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\Pdznjmwmori.exe
"C:\Users\Admin\AppData\Local\Temp\Pdznjmwmori.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4740

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3880-14-0x000001FB57200000-0x000001FB57250000-memory.dmp

Filesize
320KB

Download
memory/3880-12-0x00007FFA8F8A0000-0x00007FFA90361000-memory.dmp

Filesize
10.8MB

Download
memory/3880-17-0x000001FB58BC0000-0x000001FB58BD0000-memory.dmp

Filesize
64KB

Download
memory/3880-16-0x00007FFA8F8A0000-0x00007FFA90361000-memory.dmp

Filesize
10.8MB

Download
memory/3880-9-0x0000000140000000-0x0000000140022000-memory.dmp

Filesize
136KB

Download
memory/3880-15-0x000001FB716B0000-0x000001FB71872000-memory.dmp

Filesize
1.8MB

Download
memory/3880-13-0x000001FB58BC0000-0x000001FB58BD0000-memory.dmp

Filesize
64KB

Download
memory/4740-6-0x00007FFA8F8A0000-0x00007FFA90361000-memory.dmp

Filesize
10.8MB

Download
memory/4740-4-0x0000024ACBE50000-0x0000024ACBE86000-memory.dmp

Filesize
216KB

Download
memory/4740-7-0x0000024ACA570000-0x0000024ACA580000-memory.dmp

Filesize
64KB

Download
memory/4740-11-0x00007FFA8F8A0000-0x00007FFA90361000-memory.dmp

Filesize
10.8MB

Download
memory/4740-1-0x00007FFA8F8A0000-0x00007FFA90361000-memory.dmp

Filesize
10.8MB

Download
memory/4740-0-0x0000024ACA160000-0x0000024ACA16A000-memory.dmp

Filesize
40KB

Download
memory/4740-5-0x0000024AE4A30000-0x0000024AE4A7C000-memory.dmp

Filesize
304KB

Download
memory/4740-3-0x0000024ACBDC0000-0x0000024ACBE08000-memory.dmp

Filesize
288KB

Download
memory/4740-2-0x0000024ACA570000-0x0000024ACA580000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads