a7e3d8a1c5010bd15c5fd1ed60cf8d883f50c7a6cf9297f88db3bc81983bfbfa

Analysis

max time kernel
141s
max time network
19s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
13/08/2024, 23:11

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General

Target

a7e3d8a1c5010bd15c5fd1ed60cf8d883f50c7a6cf9297f88db3bc81983bfbfa.dll
Size

76KB
MD5

e37c51cdb78d190eff597feb3a28c11c
SHA1

bb06acb6377e7bc7f053d1226a832fb1652b2e93
SHA256

a7e3d8a1c5010bd15c5fd1ed60cf8d883f50c7a6cf9297f88db3bc81983bfbfa
SHA512

e83769607c9e096b762eeb4e4f42b9a9cf38a6d286a692106f4bc6e45249ac7eea36322a356f8b08fa4d4e14ac3dcbe98c8be69c62e17f67a62917421705853b
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZJE0b/:c8y93KQjy7G55riF1cMo0302

Score

7^/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/1420-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1420-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1420-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1420-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2480	1420	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	1420	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 1420	1996	rundll32.exe	29
PID 1996 wrote to memory of 1420	1996	rundll32.exe	29
PID 1996 wrote to memory of 1420	1996	rundll32.exe	29
PID 1996 wrote to memory of 1420	1996	rundll32.exe	29
PID 1996 wrote to memory of 1420	1996	rundll32.exe	29
PID 1996 wrote to memory of 1420	1996	rundll32.exe	29
PID 1996 wrote to memory of 1420	1996	rundll32.exe	29
PID 1420 wrote to memory of 2480	1420	rundll32.exe	30
PID 1420 wrote to memory of 2480	1420	rundll32.exe	30
PID 1420 wrote to memory of 2480	1420	rundll32.exe	30
PID 1420 wrote to memory of 2480	1420	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a7e3d8a1c5010bd15c5fd1ed60cf8d883f50c7a6cf9297f88db3bc81983bfbfa.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a7e3d8a1c5010bd15c5fd1ed60cf8d883f50c7a6cf9297f88db3bc81983bfbfa.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1420
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1420 -s 332
    3⤵
    - Program crash
    PID:2480

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/1420-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1420-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1420-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1420-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download