83689595790f87e24e03dba241737c74a36a5efea75c3d8565e12c6bcc968dd5

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-01-2025 01:39

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General

Target

83689595790f87e24e03dba241737c74a36a5efea75c3d8565e12c6bcc968dd5.dll
Size

76KB
MD5

fdf96645fa2629dc9801a360d652f4c2
SHA1

4c915f5788a32c0e18aaf86327f2e85e37590404
SHA256

83689595790f87e24e03dba241737c74a36a5efea75c3d8565e12c6bcc968dd5
SHA512

09ebdf1a44d159da91f6c1201816c751fb51c55771322634608c7c3a8f451f2a91e5be2347103d306b6b3dc4d035b6ff2268037dcd8524e55638eee6031b5f84
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZKSccqg3ZkI:c8y93KQjy7G55riF1cMo03sTcqg3ZR

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/2056-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2056-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2324	2056	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	2056	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 2056	1620	rundll32.exe	31
PID 1620 wrote to memory of 2056	1620	rundll32.exe	31
PID 1620 wrote to memory of 2056	1620	rundll32.exe	31
PID 1620 wrote to memory of 2056	1620	rundll32.exe	31
PID 1620 wrote to memory of 2056	1620	rundll32.exe	31
PID 1620 wrote to memory of 2056	1620	rundll32.exe	31
PID 1620 wrote to memory of 2056	1620	rundll32.exe	31
PID 2056 wrote to memory of 2324	2056	rundll32.exe	32
PID 2056 wrote to memory of 2324	2056	rundll32.exe	32
PID 2056 wrote to memory of 2324	2056	rundll32.exe	32
PID 2056 wrote to memory of 2324	2056	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\83689595790f87e24e03dba241737c74a36a5efea75c3d8565e12c6bcc968dd5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\83689595790f87e24e03dba241737c74a36a5efea75c3d8565e12c6bcc968dd5.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2056
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2056 -s 268
    3⤵
    - Program crash
    PID:2324

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/2056-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2056-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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