c1bcde56b5558b263ef83acfa5ccd548106969fcaa5dc65fd37e739800b50bd9

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-01-2025 00:41

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General

Target

c1bcde56b5558b263ef83acfa5ccd548106969fcaa5dc65fd37e739800b50bd9.dll
Size

76KB
MD5

7e7f8cf802579a7ec76b4ec35ad04e0b
SHA1

79bbee9636b748d2cbd0d2d404a794495d246e95
SHA256

c1bcde56b5558b263ef83acfa5ccd548106969fcaa5dc65fd37e739800b50bd9
SHA512

0429120a5c01cb4450016f942d4e90b9436b22545868b8fa7a6c912b468005f80cd859cc8f76a2ef3ccc25ce0495403926d19fd6fea510cd77943a9ab00d1e57
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z5OZoZpO3:c8y93KQjy7G55riF1cMo03bOZ6w

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 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2080-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2080-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2080-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2080-5-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2080-8-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3056	2080	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	2080	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2076 wrote to memory of 2080	2076	rundll32.exe	30
PID 2076 wrote to memory of 2080	2076	rundll32.exe	30
PID 2076 wrote to memory of 2080	2076	rundll32.exe	30
PID 2076 wrote to memory of 2080	2076	rundll32.exe	30
PID 2076 wrote to memory of 2080	2076	rundll32.exe	30
PID 2076 wrote to memory of 2080	2076	rundll32.exe	30
PID 2076 wrote to memory of 2080	2076	rundll32.exe	30
PID 2080 wrote to memory of 3056	2080	rundll32.exe	31
PID 2080 wrote to memory of 3056	2080	rundll32.exe	31
PID 2080 wrote to memory of 3056	2080	rundll32.exe	31
PID 2080 wrote to memory of 3056	2080	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c1bcde56b5558b263ef83acfa5ccd548106969fcaa5dc65fd37e739800b50bd9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2076
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c1bcde56b5558b263ef83acfa5ccd548106969fcaa5dc65fd37e739800b50bd9.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2080
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2080 -s 328
    3⤵
    - Program crash
    PID:3056

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/2080-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2080-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2080-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2080-5-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2080-8-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download