180901a666c3ea1da124327a4842fee80fa0acd86109c72fe0a7fb6e31101242

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
02/01/2025, 08:15

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General

Target

180901a666c3ea1da124327a4842fee80fa0acd86109c72fe0a7fb6e31101242.dll
Size

76KB
MD5

c4e7da51e9158b7a81f5ce10fe20540d
SHA1

f3129913eabab2e68307dba47d32a374890cce4d
SHA256

180901a666c3ea1da124327a4842fee80fa0acd86109c72fe0a7fb6e31101242
SHA512

aa3ed44cf24b0704c5821b0e537b5f77f6ece5dcd181b3f02381868f949d395ac28ce9890a0702ad400ed76537784e8b3cda314c02c330bafa37ecf1f3c3d88f
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z9c:c8y93KQjy7G55riF1cMo03Dc

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/2408-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2408-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2408-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2408-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2152	2408	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	2408	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2392 wrote to memory of 2408	2392	rundll32.exe	30
PID 2392 wrote to memory of 2408	2392	rundll32.exe	30
PID 2392 wrote to memory of 2408	2392	rundll32.exe	30
PID 2392 wrote to memory of 2408	2392	rundll32.exe	30
PID 2392 wrote to memory of 2408	2392	rundll32.exe	30
PID 2392 wrote to memory of 2408	2392	rundll32.exe	30
PID 2392 wrote to memory of 2408	2392	rundll32.exe	30
PID 2408 wrote to memory of 2152	2408	rundll32.exe	31
PID 2408 wrote to memory of 2152	2408	rundll32.exe	31
PID 2408 wrote to memory of 2152	2408	rundll32.exe	31
PID 2408 wrote to memory of 2152	2408	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\180901a666c3ea1da124327a4842fee80fa0acd86109c72fe0a7fb6e31101242.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2392
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\180901a666c3ea1da124327a4842fee80fa0acd86109c72fe0a7fb6e31101242.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2408
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2408 -s 332
    3⤵
    - Program crash
    PID:2152

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/2408-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2408-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2408-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2408-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2408-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download