091a2c56a247d055d0702d1f2efb9f5e4eee0c29f6ef8a39fa26d1c14919edf4

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 19:35

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General

Target

091a2c56a247d055d0702d1f2efb9f5e4eee0c29f6ef8a39fa26d1c14919edf4.dll
Size

76KB
MD5

8132861d9127d9cae20607b68153af48
SHA1

17140925cc329949bb995f814eb371e3ecb9b550
SHA256

091a2c56a247d055d0702d1f2efb9f5e4eee0c29f6ef8a39fa26d1c14919edf4
SHA512

270e1e2a5e3dd617154d3f1b748af92a1db54783a6d62787a001226829d973719f286fa9adf755d0cd9d2f273dee1383e09889f00d04c3467d288a50ce5574bc
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZG97h:c8y93KQjy7G55riF1cMo03EP

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2544-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2544-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2544-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2544-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2544-5-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2100	2544	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	2544	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1832 wrote to memory of 2544	1832	rundll32.exe	30
PID 1832 wrote to memory of 2544	1832	rundll32.exe	30
PID 1832 wrote to memory of 2544	1832	rundll32.exe	30
PID 1832 wrote to memory of 2544	1832	rundll32.exe	30
PID 1832 wrote to memory of 2544	1832	rundll32.exe	30
PID 1832 wrote to memory of 2544	1832	rundll32.exe	30
PID 1832 wrote to memory of 2544	1832	rundll32.exe	30
PID 2544 wrote to memory of 2100	2544	rundll32.exe	31
PID 2544 wrote to memory of 2100	2544	rundll32.exe	31
PID 2544 wrote to memory of 2100	2544	rundll32.exe	31
PID 2544 wrote to memory of 2100	2544	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\091a2c56a247d055d0702d1f2efb9f5e4eee0c29f6ef8a39fa26d1c14919edf4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1832
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\091a2c56a247d055d0702d1f2efb9f5e4eee0c29f6ef8a39fa26d1c14919edf4.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2544
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2544 -s 328
    3⤵
    - Program crash
    PID:2100

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/2544-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2544-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2544-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2544-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2544-5-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download