3afa91be03c15574c0e5391dd28c24bbfece60e7cee340dcd5625b0bebb1ad3b

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
26/12/2024, 00:12

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General

Target

3afa91be03c15574c0e5391dd28c24bbfece60e7cee340dcd5625b0bebb1ad3b.dll
Size

76KB
MD5

7b93bf34676f9111d22f7af7aa0301b0
SHA1

7257b36bdbd67411d177b8ebc9de0bea106c6674
SHA256

3afa91be03c15574c0e5391dd28c24bbfece60e7cee340dcd5625b0bebb1ad3b
SHA512

23cad76a74af907796d82f8b10a8711003ad5f961f7c0c035459e970bf1bbd0f3b999a7e275f6775725bc3c1b5a2d96312712a168e58fef31e39217684b71649
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z0EhT:c8y93KQjy7G55riF1cMo03iER

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2736-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2736-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2736-6-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2152	2736	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	2736	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 2736	2128	rundll32.exe	30
PID 2128 wrote to memory of 2736	2128	rundll32.exe	30
PID 2128 wrote to memory of 2736	2128	rundll32.exe	30
PID 2128 wrote to memory of 2736	2128	rundll32.exe	30
PID 2128 wrote to memory of 2736	2128	rundll32.exe	30
PID 2128 wrote to memory of 2736	2128	rundll32.exe	30
PID 2128 wrote to memory of 2736	2128	rundll32.exe	30
PID 2736 wrote to memory of 2152	2736	rundll32.exe	31
PID 2736 wrote to memory of 2152	2736	rundll32.exe	31
PID 2736 wrote to memory of 2152	2736	rundll32.exe	31
PID 2736 wrote to memory of 2152	2736	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3afa91be03c15574c0e5391dd28c24bbfece60e7cee340dcd5625b0bebb1ad3b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3afa91be03c15574c0e5391dd28c24bbfece60e7cee340dcd5625b0bebb1ad3b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2736
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2736 -s 336
    3⤵
    - Program crash
    PID:2152

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/2736-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2736-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2736-2-0x0000000000030000-0x0000000000031000-memory.dmp

Filesize
4KB

Download
memory/2736-6-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download