snakekeylogger | aaffbb91c846cc38793ba7ad53bb5b72487a65fa430e4caec3993d22b28cbf21

General

Target

Payment copy.exe
Size

699KB
MD5

24e9f7248721532221948fa1967ee60f
SHA1

6383f2e95ddd7abd76f0be41c98c2f0251144f9f
SHA256

aaffbb91c846cc38793ba7ad53bb5b72487a65fa430e4caec3993d22b28cbf21
SHA512

a8f950a5d35cd972d5b6498e386f33968c34f519d97b5d037638cb97e6f226ce1f2fd01caf286fe7b46d24723b55cc0024da399633f93e7c8595fedaff55812f
SSDEEP

12288:QHuE6cx+QCxBtQ7LUUV00q5+2Glo1XmVUiFK+YPbGxLuyNKBXeQU7:5cx5CxBJUV0fGmSFWBeZ

Score

10^/10

snakekeylogger collection discovery execution keylogger spyware stealer

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.financ-fire.com
Port:
587
Username:
[email protected]
Password:
W6otxNGOdwF9

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.financ-fire.com
Port:
587
Username:
[email protected]
Password:
W6otxNGOdwF9
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/2544-26-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2544-25-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2544-24-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2544-21-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2544-19-0x0000000000400000-0x0000000000426000-memory.dmp	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
2728	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
T1552.001
Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment copy.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment copy.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment copy.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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3012 set thread context of 2544	3012	Payment copy.exe	34

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	Payment copy.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	Payment copy.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
2756	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3012	Payment copy.exe
3012	Payment copy.exe
2544	Payment copy.exe
2728	powershell.exe
2544	Payment copy.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2544	Payment copy.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3012	Payment copy.exe
Token: SeDebugPrivilege	2544	Payment copy.exe
Token: SeDebugPrivilege	2728	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2544	Payment copy.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 2728	3012	Payment copy.exe	30
PID 3012 wrote to memory of 2728	3012	Payment copy.exe	30
PID 3012 wrote to memory of 2728	3012	Payment copy.exe	30
PID 3012 wrote to memory of 2728	3012	Payment copy.exe	30
PID 3012 wrote to memory of 2756	3012	Payment copy.exe	31
PID 3012 wrote to memory of 2756	3012	Payment copy.exe	31
PID 3012 wrote to memory of 2756	3012	Payment copy.exe	31
PID 3012 wrote to memory of 2756	3012	Payment copy.exe	31
PID 3012 wrote to memory of 2544	3012	Payment copy.exe	34
PID 3012 wrote to memory of 2544	3012	Payment copy.exe	34
PID 3012 wrote to memory of 2544	3012	Payment copy.exe	34
PID 3012 wrote to memory of 2544	3012	Payment copy.exe	34
PID 3012 wrote to memory of 2544	3012	Payment copy.exe	34
PID 3012 wrote to memory of 2544	3012	Payment copy.exe	34
PID 3012 wrote to memory of 2544	3012	Payment copy.exe	34
PID 3012 wrote to memory of 2544	3012	Payment copy.exe	34
PID 3012 wrote to memory of 2544	3012	Payment copy.exe	34

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment copy.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment copy.exe

C:\Users\Admin\AppData\Local\Temp\Payment copy.exe
"C:\Users\Admin\AppData\Local\Temp\Payment copy.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fPERVwVih.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2728
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fPERVwVih" /XML "C:\Users\Admin\AppData\Local\Temp\tmp37F2.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2756
- C:\Users\Admin\AppData\Local\Temp\Payment copy.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment copy.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2544

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

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

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\CabDA6A.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarDA7C.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp37F2.tmp

Filesize
1KB

MD5
a0e80bfe8cb0a3f4a822a9dbc7659a8e

SHA1
9683ed36170668bd470fb38e55cbd3331219e6fc

SHA256
910a6e718561c8f1e0e63ee49a91986a4719ec78a3229df1b57845185da10ffe

SHA512
b6798e9612eb3ac23cfbce2b53e702453eda982aa24e91fcc91564cd137e9005bb24c2cd03c540bca0b2cd268b7257e2630353c438d36a1f3d5d7248df311d39

Download Submit
memory/2544-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2544-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2544-21-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2544-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2544-24-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2544-25-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2544-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2544-26-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3012-3-0x0000000000440000-0x000000000045C000-memory.dmp

Filesize
112KB

Download
memory/3012-7-0x00000000055D0000-0x0000000005638000-memory.dmp

Filesize
416KB

Download
memory/3012-6-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/3012-5-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/3012-0-0x0000000073EFE000-0x0000000073EFF000-memory.dmp

Filesize
4KB

Download
memory/3012-4-0x0000000073EFE000-0x0000000073EFF000-memory.dmp

Filesize
4KB

Download
memory/3012-27-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/3012-2-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/3012-1-0x0000000000FB0000-0x0000000001066000-memory.dmp

Filesize
728KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads