snakekeylogger | cc5673129fc136b3470b07c114bac777daa92fa71a19277f8a2bdcdc99cc92da

General

Target

file.exe
Size

715KB
MD5

07a0a5e8a40142d008967397e6262127
SHA1

3b82f1e8dfb20ce349cf78a5e2b150c27516700d
SHA256

cc5673129fc136b3470b07c114bac777daa92fa71a19277f8a2bdcdc99cc92da
SHA512

dd4a92f7cba7043a64df227cd1474706d675b365ff3623505a1299d66d83449fbfee4f8b2e654a4b6052f127b14a61f30d7072ba4119f0f58c968539f03005e8
SSDEEP

12288:2CMR7e1amGg9n2LJEM7KtwMP/hgo69K/Hk0tE/Howy9EXX+5LkR:4ev2LGtwMB6EHc/HowFOY

Score

10^/10

snakekeylogger collection discovery execution keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.dap.vn
Port:
587
Username:
[email protected]
Password:
KhAnh110886
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2788-113-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2788-112-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2788-111-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2788-108-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2788-106-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2704	powershell.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.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
6	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2252 set thread context of 2788	2252	file.exe	35

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2828	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2788	vbc.exe
2704	powershell.exe
2788	vbc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2788	vbc.exe
Token: SeDebugPrivilege	2704	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 2704	2252	file.exe	31
PID 2252 wrote to memory of 2704	2252	file.exe	31
PID 2252 wrote to memory of 2704	2252	file.exe	31
PID 2252 wrote to memory of 2704	2252	file.exe	31
PID 2252 wrote to memory of 2828	2252	file.exe	33
PID 2252 wrote to memory of 2828	2252	file.exe	33
PID 2252 wrote to memory of 2828	2252	file.exe	33
PID 2252 wrote to memory of 2828	2252	file.exe	33
PID 2252 wrote to memory of 2788	2252	file.exe	35
PID 2252 wrote to memory of 2788	2252	file.exe	35
PID 2252 wrote to memory of 2788	2252	file.exe	35
PID 2252 wrote to memory of 2788	2252	file.exe	35
PID 2252 wrote to memory of 2788	2252	file.exe	35
PID 2252 wrote to memory of 2788	2252	file.exe	35
PID 2252 wrote to memory of 2788	2252	file.exe	35
PID 2252 wrote to memory of 2788	2252	file.exe	35
PID 2252 wrote to memory of 2788	2252	file.exe	35

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2252
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZxvvdKxPYjZoi.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2704
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZxvvdKxPYjZoi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp30B6.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2828
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabEFDD.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarEFEF.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp30B6.tmp

Filesize
1KB

MD5
52a67331f78b164ac30a7418ba722264

SHA1
b06d6b8ba1e5e442d7f2a499cb6c918ae7333e94

SHA256
1fd5838a965c6a57ffe0d400b8e5b3227bd42db17c105c9251758d7d6996f989

SHA512
38f645d208828eac4b84101c06ebf6a918a98419f5447b7ced7f34e0968daa7be013b32c69d00bf6eea219ce90eeba063c56e424cb6877de98fb806acc6cae45

Download Submit
memory/2252-94-0x0000000005B00000-0x0000000005B6C000-memory.dmp

Filesize
432KB

Download
memory/2252-114-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download
memory/2252-91-0x00000000020F0000-0x000000000210E000-memory.dmp

Filesize
120KB

Download
memory/2252-92-0x000000007490E000-0x000000007490F000-memory.dmp

Filesize
4KB

Download
memory/2252-93-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download
memory/2252-0-0x000000007490E000-0x000000007490F000-memory.dmp

Filesize
4KB

Download
memory/2252-1-0x0000000000100000-0x00000000001B6000-memory.dmp

Filesize
728KB

Download
memory/2252-9-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download
memory/2788-102-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2788-112-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2788-111-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2788-110-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2788-108-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2788-106-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2788-104-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2788-113-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads