92abc40838b2e70ab3e0944f0c7d965e74c8073c4cacf63f467d3107c22fa92e

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-01-2025 09:20

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General

Target

92abc40838b2e70ab3e0944f0c7d965e74c8073c4cacf63f467d3107c22fa92eN.dll
Size

76KB
MD5

aa16437cc3335c05bba12f9912ca81b0
SHA1

3ffbf75ab25656a4702bb5f1c52dd1047338e085
SHA256

92abc40838b2e70ab3e0944f0c7d965e74c8073c4cacf63f467d3107c22fa92e
SHA512

81a983c595e00bacc3a7ffc2429cbba5089d9e87bda1e0e0e4bff0e1c22360214b2e0e8becb7695bec11bd317235c9244ee6a045e2f39b5079380cd8b4686b84
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z/C4MLwaB+:c8y93KQjy7G55riF1cMo03FCBLBB+

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2484-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2484-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2484-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2484-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
816	2484	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 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	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2484	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1016 wrote to memory of 2484	1016	rundll32.exe	30
PID 1016 wrote to memory of 2484	1016	rundll32.exe	30
PID 1016 wrote to memory of 2484	1016	rundll32.exe	30
PID 1016 wrote to memory of 2484	1016	rundll32.exe	30
PID 1016 wrote to memory of 2484	1016	rundll32.exe	30
PID 1016 wrote to memory of 2484	1016	rundll32.exe	30
PID 1016 wrote to memory of 2484	1016	rundll32.exe	30
PID 2484 wrote to memory of 816	2484	rundll32.exe	31
PID 2484 wrote to memory of 816	2484	rundll32.exe	31
PID 2484 wrote to memory of 816	2484	rundll32.exe	31
PID 2484 wrote to memory of 816	2484	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\92abc40838b2e70ab3e0944f0c7d965e74c8073c4cacf63f467d3107c22fa92eN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1016
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\92abc40838b2e70ab3e0944f0c7d965e74c8073c4cacf63f467d3107c22fa92eN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2484
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2484 -s 324
    3⤵
    - Program crash
    PID:816

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

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Downloads

memory/2484-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2484-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2484-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2484-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download