b3b077e270508958c2a5a837a0ac2c8334cae33b34d646f322a5350db4ce394e

Analysis

max time kernel
110s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
23/07/2024, 10:18

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General

Target

a3780ea94354730b29f75265597bda80N.dll
Size

76KB
MD5

a3780ea94354730b29f75265597bda80
SHA1

2981b18386fbebd9d632175c58fc8e0efbdfad1a
SHA256

b3b077e270508958c2a5a837a0ac2c8334cae33b34d646f322a5350db4ce394e
SHA512

7d2c3a22a8cdae519509d6c6c5de79f658b1a6311e21c43c83def962c3d684095e9f47216e8c9e762d91d305cfb5d04d18863ac0bf0fd1ffa7cfea556b3c7854
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZDSuMsM4wy9lvXF:c8y93KQjy7G55riF1cMo03t79z

Score

8^/10

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 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1996-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1996-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1996-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2180	1996	WerFault.exe	30

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1996	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 1996	1940	rundll32.exe	30
PID 1940 wrote to memory of 1996	1940	rundll32.exe	30
PID 1940 wrote to memory of 1996	1940	rundll32.exe	30
PID 1940 wrote to memory of 1996	1940	rundll32.exe	30
PID 1940 wrote to memory of 1996	1940	rundll32.exe	30
PID 1940 wrote to memory of 1996	1940	rundll32.exe	30
PID 1940 wrote to memory of 1996	1940	rundll32.exe	30
PID 1996 wrote to memory of 2180	1996	rundll32.exe	31
PID 1996 wrote to memory of 2180	1996	rundll32.exe	31
PID 1996 wrote to memory of 2180	1996	rundll32.exe	31
PID 1996 wrote to memory of 2180	1996	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a3780ea94354730b29f75265597bda80N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a3780ea94354730b29f75265597bda80N.dll,#1
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1996
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1996 -s 332
    3⤵
    - Program crash
    PID:2180

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1996-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1996-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1996-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download