snakekeylogger | 4cfe382fc05866c2087a5d003050a40fb1a1789f8547bd13956e8823d8cf61f8

General

Target

DHL-AWB.exe
Size

940KB
MD5

eb685b3c297e9bf66dbdf5ce339b0938
SHA1

e68ee19e34b4e050967630bff153eb27ad9bcab2
SHA256

4cfe382fc05866c2087a5d003050a40fb1a1789f8547bd13956e8823d8cf61f8
SHA512

5af08355a05edb7bd155cc8da39eb520f6041a27532cfb36b999b54a3363e29578f5b1b52d2c1b379c1a14d2c6694f00c7c02a205da02303e23d6cdb47a6f393
SSDEEP

12288:LMuRADz1KGRbItu/8mqKgE8MLj3Ymjk97DuHh/UFxvpj5+YI61UBXEuJ2c1LwnIj:gfftg3CEmA7DehEYY9c0uRwn

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5896148323:AAEWgsVYxyCkhTyIZPTwudSGllkEoROCUk8/sendMessage?chat_id=6163418482

Signatures

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

Snake Keylogger payload 6 IoCs

resource	yara_rule
behavioral1/memory/592-71-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/592-72-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/928-75-0x0000000002430000-0x0000000002470000-memory.dmp	family_snakekeylogger
behavioral1/memory/592-74-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/592-77-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/592-79-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL-AWB.exe
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL-AWB.exe
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL-AWB.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 1680 set thread context of 592	1680	DHL-AWB.exe	32

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task

T1053

pid	Process
1160	schtasks.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

pid	Process
1680	DHL-AWB.exe
1680	DHL-AWB.exe
1680	DHL-AWB.exe
1680	DHL-AWB.exe
1680	DHL-AWB.exe
1680	DHL-AWB.exe
1680	DHL-AWB.exe
1680	DHL-AWB.exe
1680	DHL-AWB.exe
1680	DHL-AWB.exe
1680	DHL-AWB.exe
1680	DHL-AWB.exe
1680	DHL-AWB.exe
1680	DHL-AWB.exe
592	DHL-AWB.exe
928	powershell.exe
592	DHL-AWB.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1680	DHL-AWB.exe
Token: SeDebugPrivilege	592	DHL-AWB.exe
Token: SeDebugPrivilege	928	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 928	1680	DHL-AWB.exe	28
PID 1680 wrote to memory of 928	1680	DHL-AWB.exe	28
PID 1680 wrote to memory of 928	1680	DHL-AWB.exe	28
PID 1680 wrote to memory of 928	1680	DHL-AWB.exe	28
PID 1680 wrote to memory of 1160	1680	DHL-AWB.exe	30
PID 1680 wrote to memory of 1160	1680	DHL-AWB.exe	30
PID 1680 wrote to memory of 1160	1680	DHL-AWB.exe	30
PID 1680 wrote to memory of 1160	1680	DHL-AWB.exe	30
PID 1680 wrote to memory of 592	1680	DHL-AWB.exe	32
PID 1680 wrote to memory of 592	1680	DHL-AWB.exe	32
PID 1680 wrote to memory of 592	1680	DHL-AWB.exe	32
PID 1680 wrote to memory of 592	1680	DHL-AWB.exe	32
PID 1680 wrote to memory of 592	1680	DHL-AWB.exe	32
PID 1680 wrote to memory of 592	1680	DHL-AWB.exe	32
PID 1680 wrote to memory of 592	1680	DHL-AWB.exe	32
PID 1680 wrote to memory of 592	1680	DHL-AWB.exe	32
PID 1680 wrote to memory of 592	1680	DHL-AWB.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL-AWB.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL-AWB.exe

C:\Users\Admin\AppData\Local\Temp\DHL-AWB.exe
"C:\Users\Admin\AppData\Local\Temp\DHL-AWB.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1680
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CvDzsccuV.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:928
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CvDzsccuV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3313.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1160
- C:\Users\Admin\AppData\Local\Temp\DHL-AWB.exe
  "C:\Users\Admin\AppData\Local\Temp\DHL-AWB.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:592

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3313.tmp

Filesize
1KB

MD5
f1312a28960c3179b47451b9b85c35ff

SHA1
9a47b1835bd8ebf82d65bcea46ca2991c4261730

SHA256
21e026cf4c79be0714a90bfced5a15a310243b6dc2b06e686059f1c67970637c

SHA512
9da97d2228bb9ac421fa25ef726b0bef1c4fd0b4a0cbb6527f1a5de24be463371cd4778e1b1db3e3f28207a80c1262c463fe4699e7e2008656d6302e968e735b

Download Submit
memory/592-74-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/592-72-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/592-69-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/592-70-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/592-80-0x00000000003C0000-0x0000000000400000-memory.dmp

Filesize
256KB

Download
memory/592-79-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/592-77-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/592-73-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/592-71-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/928-75-0x0000000002430000-0x0000000002470000-memory.dmp

Filesize
256KB

Download
memory/928-81-0x0000000002430000-0x0000000002470000-memory.dmp

Filesize
256KB

Download
memory/1680-57-0x0000000004DE0000-0x0000000004E20000-memory.dmp

Filesize
256KB

Download
memory/1680-66-0x0000000004D60000-0x0000000004D88000-memory.dmp

Filesize
160KB

Download
memory/1680-56-0x0000000004DE0000-0x0000000004E20000-memory.dmp

Filesize
256KB

Download
memory/1680-54-0x0000000000D20000-0x0000000000E10000-memory.dmp

Filesize
960KB

Download
memory/1680-65-0x00000000043A0000-0x00000000043A6000-memory.dmp

Filesize
24KB

Download
memory/1680-55-0x00000000004F0000-0x000000000050A000-memory.dmp

Filesize
104KB

Download
memory/1680-59-0x0000000005440000-0x00000000054E0000-memory.dmp

Filesize
640KB

Download
memory/1680-58-0x00000000004D0000-0x00000000004DC000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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