snakekeylogger | 58f99aa746c6a67381fe813577dbeb327e8fb3e203839df7bbeb9072f185dd1e

General

Target

cc5673129fc136b3470b07c114bac777daa92fa71a19277f8a2bdcdc99cc92da.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/2876-112-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2876-106-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2876-108-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2876-113-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2876-111-0x0000000000400000-0x0000000000426000-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
2088	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 2844 set thread context of 2876	2844	cc5673129fc136b3470b07c114bac777daa92fa71a19277f8a2bdcdc99cc92da.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	cc5673129fc136b3470b07c114bac777daa92fa71a19277f8a2bdcdc99cc92da.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
2016	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2844	cc5673129fc136b3470b07c114bac777daa92fa71a19277f8a2bdcdc99cc92da.exe
2844	cc5673129fc136b3470b07c114bac777daa92fa71a19277f8a2bdcdc99cc92da.exe
2876	vbc.exe
2088	powershell.exe
2876	vbc.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2844	cc5673129fc136b3470b07c114bac777daa92fa71a19277f8a2bdcdc99cc92da.exe
Token: SeDebugPrivilege	2876	vbc.exe
Token: SeDebugPrivilege	2088	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2844 wrote to memory of 2088	2844	cc5673129fc136b3470b07c114bac777daa92fa71a19277f8a2bdcdc99cc92da.exe	30
PID 2844 wrote to memory of 2088	2844	cc5673129fc136b3470b07c114bac777daa92fa71a19277f8a2bdcdc99cc92da.exe	30
PID 2844 wrote to memory of 2088	2844	cc5673129fc136b3470b07c114bac777daa92fa71a19277f8a2bdcdc99cc92da.exe	30
PID 2844 wrote to memory of 2088	2844	cc5673129fc136b3470b07c114bac777daa92fa71a19277f8a2bdcdc99cc92da.exe	30
PID 2844 wrote to memory of 2016	2844	cc5673129fc136b3470b07c114bac777daa92fa71a19277f8a2bdcdc99cc92da.exe	32
PID 2844 wrote to memory of 2016	2844	cc5673129fc136b3470b07c114bac777daa92fa71a19277f8a2bdcdc99cc92da.exe	32
PID 2844 wrote to memory of 2016	2844	cc5673129fc136b3470b07c114bac777daa92fa71a19277f8a2bdcdc99cc92da.exe	32
PID 2844 wrote to memory of 2016	2844	cc5673129fc136b3470b07c114bac777daa92fa71a19277f8a2bdcdc99cc92da.exe	32
PID 2844 wrote to memory of 2732	2844	cc5673129fc136b3470b07c114bac777daa92fa71a19277f8a2bdcdc99cc92da.exe	34
PID 2844 wrote to memory of 2732	2844	cc5673129fc136b3470b07c114bac777daa92fa71a19277f8a2bdcdc99cc92da.exe	34
PID 2844 wrote to memory of 2732	2844	cc5673129fc136b3470b07c114bac777daa92fa71a19277f8a2bdcdc99cc92da.exe	34
PID 2844 wrote to memory of 2732	2844	cc5673129fc136b3470b07c114bac777daa92fa71a19277f8a2bdcdc99cc92da.exe	34
PID 2844 wrote to memory of 2876	2844	cc5673129fc136b3470b07c114bac777daa92fa71a19277f8a2bdcdc99cc92da.exe	35
PID 2844 wrote to memory of 2876	2844	cc5673129fc136b3470b07c114bac777daa92fa71a19277f8a2bdcdc99cc92da.exe	35
PID 2844 wrote to memory of 2876	2844	cc5673129fc136b3470b07c114bac777daa92fa71a19277f8a2bdcdc99cc92da.exe	35
PID 2844 wrote to memory of 2876	2844	cc5673129fc136b3470b07c114bac777daa92fa71a19277f8a2bdcdc99cc92da.exe	35
PID 2844 wrote to memory of 2876	2844	cc5673129fc136b3470b07c114bac777daa92fa71a19277f8a2bdcdc99cc92da.exe	35
PID 2844 wrote to memory of 2876	2844	cc5673129fc136b3470b07c114bac777daa92fa71a19277f8a2bdcdc99cc92da.exe	35
PID 2844 wrote to memory of 2876	2844	cc5673129fc136b3470b07c114bac777daa92fa71a19277f8a2bdcdc99cc92da.exe	35
PID 2844 wrote to memory of 2876	2844	cc5673129fc136b3470b07c114bac777daa92fa71a19277f8a2bdcdc99cc92da.exe	35
PID 2844 wrote to memory of 2876	2844	cc5673129fc136b3470b07c114bac777daa92fa71a19277f8a2bdcdc99cc92da.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\cc5673129fc136b3470b07c114bac777daa92fa71a19277f8a2bdcdc99cc92da.exe
"C:\Users\Admin\AppData\Local\Temp\cc5673129fc136b3470b07c114bac777daa92fa71a19277f8a2bdcdc99cc92da.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2844
- 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:2088
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZxvvdKxPYjZoi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC279.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2016
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:2732
- 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:2876

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\Cab7D6C.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar7D8E.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC279.tmp

Filesize
1KB

MD5
52a67331f78b164ac30a7418ba722264

SHA1
b06d6b8ba1e5e442d7f2a499cb6c918ae7333e94

SHA256
1fd5838a965c6a57ffe0d400b8e5b3227bd42db17c105c9251758d7d6996f989

SHA512
38f645d208828eac4b84101c06ebf6a918a98419f5447b7ced7f34e0968daa7be013b32c69d00bf6eea219ce90eeba063c56e424cb6877de98fb806acc6cae45

Download Submit
memory/2844-94-0x0000000005FE0000-0x000000000604C000-memory.dmp

Filesize
432KB

Download
memory/2844-114-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/2844-91-0x0000000000AD0000-0x0000000000AEE000-memory.dmp

Filesize
120KB

Download
memory/2844-92-0x0000000073EFE000-0x0000000073EFF000-memory.dmp

Filesize
4KB

Download
memory/2844-93-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/2844-0-0x0000000073EFE000-0x0000000073EFF000-memory.dmp

Filesize
4KB

Download
memory/2844-1-0x0000000000C70000-0x0000000000D26000-memory.dmp

Filesize
728KB

Download
memory/2844-2-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/2876-110-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2876-112-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2876-106-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2876-108-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2876-113-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2876-111-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2876-104-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2876-102-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads