2ef4c88cbb6741590bd640522ccd6212625a74c852e7db5a06f0e17e6eda449f

Analysis

max time kernel
14s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
05-02-2025 14:05

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General

Target

2ef4c88cbb6741590bd640522ccd6212625a74c852e7db5a06f0e17e6eda449fN.dll
Size

76KB
MD5

40ee10a18a5f585b1d4e5b03fbac0990
SHA1

9f4af147b9ddd92d898a05253e1843033c08ed4c
SHA256

2ef4c88cbb6741590bd640522ccd6212625a74c852e7db5a06f0e17e6eda449f
SHA512

aade352a6066a26c65a3f337cd431a4b70ea89fb18812870c7ba226b7b0efb84dc851184f20c10448a656143c257c30889e9019d3eb553d4895698bb683a20dc
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZSUDRSVbZ:c8y93KQjy7G55riF1cMo03wUDRSVbZ

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 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2076-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2076-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2076-9-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2076-12-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2912	2076	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	2076	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 2076	2548	rundll32.exe	30
PID 2548 wrote to memory of 2076	2548	rundll32.exe	30
PID 2548 wrote to memory of 2076	2548	rundll32.exe	30
PID 2548 wrote to memory of 2076	2548	rundll32.exe	30
PID 2548 wrote to memory of 2076	2548	rundll32.exe	30
PID 2548 wrote to memory of 2076	2548	rundll32.exe	30
PID 2548 wrote to memory of 2076	2548	rundll32.exe	30
PID 2076 wrote to memory of 2912	2076	rundll32.exe	31
PID 2076 wrote to memory of 2912	2076	rundll32.exe	31
PID 2076 wrote to memory of 2912	2076	rundll32.exe	31
PID 2076 wrote to memory of 2912	2076	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2ef4c88cbb6741590bd640522ccd6212625a74c852e7db5a06f0e17e6eda449fN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2ef4c88cbb6741590bd640522ccd6212625a74c852e7db5a06f0e17e6eda449fN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2076
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 268
    3⤵
    - Program crash
    PID:2912

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/2076-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2076-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2076-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2076-3-0x0000000000030000-0x0000000000031000-memory.dmp

Filesize
4KB

Download
memory/2076-9-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2076-12-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download