a2c40a2b31c6ccff9df8417b906eb707ca7ae3aa2a12a2290b7cf3a7fae89235

Analysis

max time kernel
104s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02/10/2024, 08:17

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General

Target

a2c40a2b31c6ccff9df8417b906eb707ca7ae3aa2a12a2290b7cf3a7fae89235N.dll
Size

103KB
MD5

fc1ef84e1d51746ff7b627c08a8ef2f0
SHA1

4c85be258903126fd1b0b0b0199b80a1eec9a28b
SHA256

a2c40a2b31c6ccff9df8417b906eb707ca7ae3aa2a12a2290b7cf3a7fae89235
SHA512

f06d4d35d5c34f59817643e662a4452fb750d7efdbea0b6abd5ed2c306f5d5be3d2f942ec49fa792a4268edb31da1a20754f526d6395746a70c03eebf08fdd03
SSDEEP

3072:03/KeW8V3rQsF7o3cOX2CKeiATn3pIPdgJ8Jj:03/b3r7OX2ChjTn3pMgJ8Jj

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2300-3-0x0000000010000000-0x000000001000E000-memory.dmp	upx

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 WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 2300	1640	rundll32.exe	30
PID 1640 wrote to memory of 2300	1640	rundll32.exe	30
PID 1640 wrote to memory of 2300	1640	rundll32.exe	30
PID 1640 wrote to memory of 2300	1640	rundll32.exe	30
PID 1640 wrote to memory of 2300	1640	rundll32.exe	30
PID 1640 wrote to memory of 2300	1640	rundll32.exe	30
PID 1640 wrote to memory of 2300	1640	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a2c40a2b31c6ccff9df8417b906eb707ca7ae3aa2a12a2290b7cf3a7fae89235N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1640
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a2c40a2b31c6ccff9df8417b906eb707ca7ae3aa2a12a2290b7cf3a7fae89235N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2300

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

Replay Monitor

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Downloads

memory/2300-3-0x0000000010000000-0x000000001000E000-memory.dmp

Filesize
56KB

Download
memory/2300-2-0x0000000010000000-0x000000001000E000-memory.dmp

Filesize
56KB

Download
memory/2300-1-0x0000000010000000-0x000000001000E000-memory.dmp

Filesize
56KB

Download
memory/2300-0-0x0000000010000000-0x000000001000E000-memory.dmp

Filesize
56KB

Download