91c626115e70aae77d93611b630ed6460d673bc87c5daf29e6afb3db29f57809

Analysis

max time kernel
77s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-02-2025 17:48

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General

Target

91c626115e70aae77d93611b630ed6460d673bc87c5daf29e6afb3db29f57809.dll
Size

76KB
MD5

69918491198ae04bc7a5d217b527fdb9
SHA1

6da93e6c3c7155799d496617dc46659ca9920111
SHA256

91c626115e70aae77d93611b630ed6460d673bc87c5daf29e6afb3db29f57809
SHA512

3db8781aa947e91b24a4f2a524f3af21166fa45072b84027a3586003e6539ba94aa04db018b77c2d9f2945193d878440227d7755921e4446fc56cd2ce57e3c11
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZqciLb:c8y93KQjy7G55riF1cMo03UciLb

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2336-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2336-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2344	2336	WerFault.exe	31

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	2336	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 796 wrote to memory of 2336	796	rundll32.exe	31
PID 796 wrote to memory of 2336	796	rundll32.exe	31
PID 796 wrote to memory of 2336	796	rundll32.exe	31
PID 796 wrote to memory of 2336	796	rundll32.exe	31
PID 796 wrote to memory of 2336	796	rundll32.exe	31
PID 796 wrote to memory of 2336	796	rundll32.exe	31
PID 796 wrote to memory of 2336	796	rundll32.exe	31
PID 2336 wrote to memory of 2344	2336	rundll32.exe	32
PID 2336 wrote to memory of 2344	2336	rundll32.exe	32
PID 2336 wrote to memory of 2344	2336	rundll32.exe	32
PID 2336 wrote to memory of 2344	2336	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\91c626115e70aae77d93611b630ed6460d673bc87c5daf29e6afb3db29f57809.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:796
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\91c626115e70aae77d93611b630ed6460d673bc87c5daf29e6afb3db29f57809.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2336
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2336 -s 332
    3⤵
    - Program crash
    PID:2344

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/2336-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2336-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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