3a88cc2e4274359dcee0b3a5aadb4fe4b563b91ed3c34f68880d7eb366476b83

Analysis

max time kernel
117s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 21:58

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General

Target

3a88cc2e4274359dcee0b3a5aadb4fe4b563b91ed3c34f68880d7eb366476b83.dll
Size

76KB
MD5

254e069a9af274eb668f24660f5b6a4f
SHA1

849f5b315f983ce636aef5349882a7f74af80eb4
SHA256

3a88cc2e4274359dcee0b3a5aadb4fe4b563b91ed3c34f68880d7eb366476b83
SHA512

0ce51ce1e254ed2100f7f71d88ccab03c366f3b2ced7786ce01bf7adc048c89ee9c8c2f45198627c76dc91601fa50ef2dc1b4f271b9bdd8eec6b4e371e497b60
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Ze78RJrK7:c8y93KQjy7G55riF1cMo03PvrK7

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2540-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2540-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2540-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2540-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2372	2540	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	2540	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 2540	2388	rundll32.exe	30
PID 2388 wrote to memory of 2540	2388	rundll32.exe	30
PID 2388 wrote to memory of 2540	2388	rundll32.exe	30
PID 2388 wrote to memory of 2540	2388	rundll32.exe	30
PID 2388 wrote to memory of 2540	2388	rundll32.exe	30
PID 2388 wrote to memory of 2540	2388	rundll32.exe	30
PID 2388 wrote to memory of 2540	2388	rundll32.exe	30
PID 2540 wrote to memory of 2372	2540	rundll32.exe	31
PID 2540 wrote to memory of 2372	2540	rundll32.exe	31
PID 2540 wrote to memory of 2372	2540	rundll32.exe	31
PID 2540 wrote to memory of 2372	2540	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3a88cc2e4274359dcee0b3a5aadb4fe4b563b91ed3c34f68880d7eb366476b83.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2388
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3a88cc2e4274359dcee0b3a5aadb4fe4b563b91ed3c34f68880d7eb366476b83.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2540
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2540 -s 328
    3⤵
    - Program crash
    PID:2372

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2540-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2540-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2540-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2540-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download