1a01dda22d97d68b4189187d5dae6f0bbd78ba1c8efd8a8a3b7d9202b255d58e

Analysis

max time kernel
84s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 04:38

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General

Target

1a01dda22d97d68b4189187d5dae6f0bbd78ba1c8efd8a8a3b7d9202b255d58eN.dll
Size

76KB
MD5

e2d137e75d74b877a23d9015aabe05b0
SHA1

31a8db28c72b11c39f9dd37d190d40dcc7a18585
SHA256

1a01dda22d97d68b4189187d5dae6f0bbd78ba1c8efd8a8a3b7d9202b255d58e
SHA512

dea8377e5d01e1b7da18e1eb3dae63e21a32256cdf1f619d8f55501d7f84839ff884001ebc8f6018ecda1c54adfecb5c1b4b61a91a2fbe874ea421c8f7df701f
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZJa3:c8y93KQjy7G55riF1cMo03q3

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/2348-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2348-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2348-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2348-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2296	2348	WerFault.exe	29

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	2348	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1308 wrote to memory of 2348	1308	rundll32.exe	29
PID 1308 wrote to memory of 2348	1308	rundll32.exe	29
PID 1308 wrote to memory of 2348	1308	rundll32.exe	29
PID 1308 wrote to memory of 2348	1308	rundll32.exe	29
PID 1308 wrote to memory of 2348	1308	rundll32.exe	29
PID 1308 wrote to memory of 2348	1308	rundll32.exe	29
PID 1308 wrote to memory of 2348	1308	rundll32.exe	29
PID 2348 wrote to memory of 2296	2348	rundll32.exe	30
PID 2348 wrote to memory of 2296	2348	rundll32.exe	30
PID 2348 wrote to memory of 2296	2348	rundll32.exe	30
PID 2348 wrote to memory of 2296	2348	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a01dda22d97d68b4189187d5dae6f0bbd78ba1c8efd8a8a3b7d9202b255d58eN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1308
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a01dda22d97d68b4189187d5dae6f0bbd78ba1c8efd8a8a3b7d9202b255d58eN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2348
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2348 -s 296
    3⤵
    - Program crash
    PID:2296

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/2348-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2348-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2348-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2348-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download