snakekeylogger | 4ee9edd9ef3a92e65f7db6b1dde1bf67d1b58a79bb47fc26f6c18675baa3ec7f

General

Target

HTWP0987600.exe
Size

527KB
MD5

3f48fc323c58106614bfe2719971411c
SHA1

47b50ce885d36c013a43b0cc8c235608277caf7c
SHA256

806c4451b1153f5453fdf0a09465a1f82018c3f01b3381a559564143f6d13796
SHA512

a1e93d845b9007622f2d634d346754ff1721d4769ce9200ee2902f81e8e51d0d6450fa1105855b143f50567509b9aa43d64d8709ac71ed13575793490a816b27
SSDEEP

12288:u6Wq4aaE6KwyF5L0Y2D1PqLQxnE3nmtzvF8wWVa:0thEVaPqLqnVy7a

Score

10^/10

snakekeylogger discovery keylogger stealer upx

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.daipro.com.mx
Port:
587
Username:
[email protected]
Password:
DAIpro123**
Email To:
[email protected]

C2

https://scratchdreams.tk

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/4288-23-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Milburr.vbs	Milburr.exe

Executes dropped EXE 1 IoCs

pid	Process
4572	Milburr.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
14	checkip.dyndns.org

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/3300-13-0x0000000000400000-0x00000000004E6000-memory.dmp	autoit_exe
behavioral2/memory/4572-25-0x0000000000400000-0x00000000004E6000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4572 set thread context of 4288	4572	Milburr.exe	87

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3300-0-0x0000000000400000-0x00000000004E6000-memory.dmp	upx
behavioral2/files/0x0007000000023ca8-10.dat	upx
behavioral2/memory/3300-13-0x0000000000400000-0x00000000004E6000-memory.dmp	upx
behavioral2/memory/4572-25-0x0000000000400000-0x00000000004E6000-memory.dmp	upx

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3824	4288	WerFault.exe	87

System Location Discovery: System Language Discovery 1 TTPs 3 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	HTWP0987600.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Milburr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4288	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4572	Milburr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4288	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
3300	HTWP0987600.exe
3300	HTWP0987600.exe
4572	Milburr.exe
4572	Milburr.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
3300	HTWP0987600.exe
3300	HTWP0987600.exe
4572	Milburr.exe
4572	Milburr.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3300 wrote to memory of 4572	3300	HTWP0987600.exe	86
PID 3300 wrote to memory of 4572	3300	HTWP0987600.exe	86
PID 3300 wrote to memory of 4572	3300	HTWP0987600.exe	86
PID 4572 wrote to memory of 4288	4572	Milburr.exe	87
PID 4572 wrote to memory of 4288	4572	Milburr.exe	87
PID 4572 wrote to memory of 4288	4572	Milburr.exe	87
PID 4572 wrote to memory of 4288	4572	Milburr.exe	87

C:\Users\Admin\AppData\Local\Temp\HTWP0987600.exe
"C:\Users\Admin\AppData\Local\Temp\HTWP0987600.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3300
- C:\Users\Admin\AppData\Local\batchers\Milburr.exe
  "C:\Users\Admin\AppData\Local\Temp\HTWP0987600.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:4572
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\HTWP0987600.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4288
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4288 -s 1452
      4⤵
      Program crash
      PID:3824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4288 -ip 4288
1⤵
PID:4560

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\anaboly

Filesize
130KB

MD5
c982122b19415f570051d6dafd5b1d00

SHA1
511a50beec27a730ea863af656dba2cd89a2e64a

SHA256
043e4748e8e525c5d0ad88851f2912739a4c1ef7e804d9223b1ca1c6a9287dfa

SHA512
e07050f99521a49cbcf62d54d3c97c77d848ae4c4646526eaa43e02ba271e12ba27a312dc0352f0528cdf4eb0a02db482013ccf0d2f3ddb15e3aa96134b5971c

Download Submit
C:\Users\Admin\AppData\Local\batchers\Milburr.exe

Filesize
527KB

MD5
3f48fc323c58106614bfe2719971411c

SHA1
47b50ce885d36c013a43b0cc8c235608277caf7c

SHA256
806c4451b1153f5453fdf0a09465a1f82018c3f01b3381a559564143f6d13796

SHA512
a1e93d845b9007622f2d634d346754ff1721d4769ce9200ee2902f81e8e51d0d6450fa1105855b143f50567509b9aa43d64d8709ac71ed13575793490a816b27

Download Submit
memory/3300-0-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/3300-7-0x00000000041C0000-0x00000000043C0000-memory.dmp

Filesize
2.0MB

Download
memory/3300-13-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/4288-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4288-26-0x0000000074C8E000-0x0000000074C8F000-memory.dmp

Filesize
4KB

Download
memory/4288-27-0x0000000005CF0000-0x0000000006294000-memory.dmp

Filesize
5.6MB

Download
memory/4288-28-0x00000000057E0000-0x000000000587C000-memory.dmp

Filesize
624KB

Download
memory/4288-29-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/4288-30-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/4572-21-0x0000000003C80000-0x0000000003E80000-memory.dmp

Filesize
2.0MB

Download
memory/4572-25-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download

Analysis

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