8aa3249e5fc9ef61f4c60701a454e94ee0d67a683e891e391973b132fe0c840a

Analysis

max time kernel
26s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-01-2025 08:59

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General

Target

8aa3249e5fc9ef61f4c60701a454e94ee0d67a683e891e391973b132fe0c840a.dll
Size

76KB
MD5

187bcdcc59ff9739871b273fc71484b4
SHA1

fbf68276d39f656609f078762051dabfb1a6d59d
SHA256

8aa3249e5fc9ef61f4c60701a454e94ee0d67a683e891e391973b132fe0c840a
SHA512

1e421361dedee882474644152305ac934694dbe1b1d4d6a515d745c08ced2e2c07d0ed60b660958e0297002618ade2d6f8fd42b143218840e20bf11b4c1478f8
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z8CI:c8y93KQjy7G55riF1cMo03a

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/2744-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2744-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2744-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2744-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2712	2744	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	2744	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 2744	2192	rundll32.exe	30
PID 2192 wrote to memory of 2744	2192	rundll32.exe	30
PID 2192 wrote to memory of 2744	2192	rundll32.exe	30
PID 2192 wrote to memory of 2744	2192	rundll32.exe	30
PID 2192 wrote to memory of 2744	2192	rundll32.exe	30
PID 2192 wrote to memory of 2744	2192	rundll32.exe	30
PID 2192 wrote to memory of 2744	2192	rundll32.exe	30
PID 2744 wrote to memory of 2712	2744	rundll32.exe	31
PID 2744 wrote to memory of 2712	2744	rundll32.exe	31
PID 2744 wrote to memory of 2712	2744	rundll32.exe	31
PID 2744 wrote to memory of 2712	2744	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8aa3249e5fc9ef61f4c60701a454e94ee0d67a683e891e391973b132fe0c840a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2192
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8aa3249e5fc9ef61f4c60701a454e94ee0d67a683e891e391973b132fe0c840a.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2744
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2744 -s 312
    3⤵
    - Program crash
    PID:2712

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/2744-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2744-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2744-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2744-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download