3f1f82f4e39f2a41ff5df5db9673c6fdc3989228675cf36929b35b7e2efdbf70

Analysis

max time kernel
15s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26/12/2024, 04:20

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General

Target

3f1f82f4e39f2a41ff5df5db9673c6fdc3989228675cf36929b35b7e2efdbf70N.dll
Size

203KB
MD5

92ffea5d2e6c19c1ee2ed21514692810
SHA1

b549cf298c0b53f61f56243f8e9873c77b3ee8ef
SHA256

3f1f82f4e39f2a41ff5df5db9673c6fdc3989228675cf36929b35b7e2efdbf70
SHA512

af59167c16426a02912ee6cb0cfed129ccb83e67fbff35f4829d1436f63fd3d01e840ded719a921a6e759f7fcf30ffd284ce734784c60ccd65f3394544716d57
SSDEEP

3072:aJ8IMILmCa3yx6oFEdgVXnF6C9Ugfxm32n7SpiM5kha:5kmCaiEoFEd+F3txm2SpiM5kg

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1696-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1696-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1696-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2376	1696	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	1696	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 1696	2084	rundll32.exe	30
PID 2084 wrote to memory of 1696	2084	rundll32.exe	30
PID 2084 wrote to memory of 1696	2084	rundll32.exe	30
PID 2084 wrote to memory of 1696	2084	rundll32.exe	30
PID 2084 wrote to memory of 1696	2084	rundll32.exe	30
PID 2084 wrote to memory of 1696	2084	rundll32.exe	30
PID 2084 wrote to memory of 1696	2084	rundll32.exe	30
PID 1696 wrote to memory of 2376	1696	rundll32.exe	31
PID 1696 wrote to memory of 2376	1696	rundll32.exe	31
PID 1696 wrote to memory of 2376	1696	rundll32.exe	31
PID 1696 wrote to memory of 2376	1696	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3f1f82f4e39f2a41ff5df5db9673c6fdc3989228675cf36929b35b7e2efdbf70N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3f1f82f4e39f2a41ff5df5db9673c6fdc3989228675cf36929b35b7e2efdbf70N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1696
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1696 -s 328
    3⤵
    - Program crash
    PID:2376

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/1696-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1696-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1696-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download