bd2ba38b08859e3cd096a8c243c78cd3463ee5ff6a391e8a2ae410a96375a631

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
19-11-2024 08:08

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General

Target

Unpacker.exe
Size

752KB
MD5

7d39eabebcc2041aa608ca797a6dbbd4
SHA1

1ebf11ee8788aa05068e2fffbe0efd89d39ee23d
SHA256

bd2ba38b08859e3cd096a8c243c78cd3463ee5ff6a391e8a2ae410a96375a631
SHA512

5c2813b3a11719b8f0c6f27d7c22d1b2aed4afddb2e7d4d287beb3e4f3a277bfe0aaa4d0efb54d674fb69beeef788af14aa96c8a1bdcdd24c0962dd3100360ec
SSDEEP

12288:yzVbv9nzyQhG8UVKbhjA2KFh7lCkCyYvIsdWzAfFWhSvOTZppJL:yZbv1yQhUVKbhE2KNaTgsdWQ8SvOTZpP

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

Processes:

Unpacker.exe

description pid process target process

PID 328 set thread context of 2776 328 Unpacker.exe Unpacker.exe
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

1432 2776 WerFault.exe Unpacker.exe
2788 328 WerFault.exe Unpacker.exe

description	pid	process	target process
PID 328 set thread context of 2776	328	Unpacker.exe	Unpacker.exe

pid	pid_target	process	target process
1432	2776	WerFault.exe	Unpacker.exe
2788	328	WerFault.exe	Unpacker.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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

Processes:

Unpacker.exeUnpacker.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Unpacker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Unpacker.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

Unpacker.exeUnpacker.exe

description	pid	process	target process
PID 328 wrote to memory of 2744	328	Unpacker.exe	Unpacker.exe
PID 328 wrote to memory of 2744	328	Unpacker.exe	Unpacker.exe
PID 328 wrote to memory of 2744	328	Unpacker.exe	Unpacker.exe
PID 328 wrote to memory of 2744	328	Unpacker.exe	Unpacker.exe
PID 328 wrote to memory of 2776	328	Unpacker.exe	Unpacker.exe
PID 328 wrote to memory of 2776	328	Unpacker.exe	Unpacker.exe
PID 328 wrote to memory of 2776	328	Unpacker.exe	Unpacker.exe
PID 328 wrote to memory of 2776	328	Unpacker.exe	Unpacker.exe
PID 328 wrote to memory of 2776	328	Unpacker.exe	Unpacker.exe
PID 328 wrote to memory of 2776	328	Unpacker.exe	Unpacker.exe
PID 328 wrote to memory of 2776	328	Unpacker.exe	Unpacker.exe
PID 328 wrote to memory of 2776	328	Unpacker.exe	Unpacker.exe
PID 328 wrote to memory of 2776	328	Unpacker.exe	Unpacker.exe
PID 328 wrote to memory of 2776	328	Unpacker.exe	Unpacker.exe
PID 328 wrote to memory of 2776	328	Unpacker.exe	Unpacker.exe
PID 328 wrote to memory of 2788	328	Unpacker.exe	WerFault.exe
PID 328 wrote to memory of 2788	328	Unpacker.exe	WerFault.exe
PID 328 wrote to memory of 2788	328	Unpacker.exe	WerFault.exe
PID 328 wrote to memory of 2788	328	Unpacker.exe	WerFault.exe
PID 2776 wrote to memory of 1432	2776	Unpacker.exe	WerFault.exe
PID 2776 wrote to memory of 1432	2776	Unpacker.exe	WerFault.exe
PID 2776 wrote to memory of 1432	2776	Unpacker.exe	WerFault.exe
PID 2776 wrote to memory of 1432	2776	Unpacker.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\Unpacker.exe
"C:\Users\Admin\AppData\Local\Temp\Unpacker.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:328
- C:\Users\Admin\AppData\Local\Temp\Unpacker.exe
  "C:\Users\Admin\AppData\Local\Temp\Unpacker.exe"
  2⤵
  PID:2744
- C:\Users\Admin\AppData\Local\Temp\Unpacker.exe
  "C:\Users\Admin\AppData\Local\Temp\Unpacker.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2776
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2776 -s 148
    3⤵
    - Program crash
    PID:1432
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 328 -s 60
  2⤵
  - Program crash
  PID:2788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/328-0-0x000000000009A000-0x000000000009B000-memory.dmp

Filesize
4KB

Download
memory/328-16-0x000000000009A000-0x000000000009B000-memory.dmp

Filesize
4KB

Download
memory/2776-15-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2776-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2776-9-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2776-7-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2776-5-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2776-3-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2776-1-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2776-14-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2776-2-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download