0bc91095fe8595a7fb6911247764554aafc2b07281660f55e63db6f1930528e2

Analysis

max time kernel
131s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
03/03/2025, 19:43

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General

Target

0bc91095fe8595a7fb6911247764554aafc2b07281660f55e63db6f1930528e2.dll
Size

76KB
MD5

897571b60e944a22fc78759df7cba564
SHA1

57e5f1201cce692ebc486ba10d746e1362aff92c
SHA256

0bc91095fe8595a7fb6911247764554aafc2b07281660f55e63db6f1930528e2
SHA512

1b21bd7bc5682a31c34e52cfa69042a44b2bbf9a6668aaef04576e66e1c0b6853468e127ffa97d197b11a5b7692cefa92f968d3d43900d2ba069d0d9497f7e39
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZYuTLf:c8y93KQjy7G55riF1cMo03jT

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3920-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3920-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1556	3920	WerFault.exe	86

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	3920	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2456 wrote to memory of 3920	2456	rundll32.exe	86
PID 2456 wrote to memory of 3920	2456	rundll32.exe	86
PID 2456 wrote to memory of 3920	2456	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0bc91095fe8595a7fb6911247764554aafc2b07281660f55e63db6f1930528e2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2456
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0bc91095fe8595a7fb6911247764554aafc2b07281660f55e63db6f1930528e2.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3920
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3920 -s 700
    3⤵
    - Program crash
    PID:1556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3920 -ip 3920
1⤵
PID:3368

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

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/3920-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/3920-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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