1155e793b8be4351035a95961b7e77cb663b9f3b67ab224cacd96787a8e2e099

Analysis

max time kernel
140s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
04-02-2025 19:52

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General

Target

1155e793b8be4351035a95961b7e77cb663b9f3b67ab224cacd96787a8e2e099.dll
Size

76KB
MD5

4f99fae64723e30178ea8fb98ee36e0e
SHA1

b5f9189bdcb70c70f536e22c7f144d65d4f67be7
SHA256

1155e793b8be4351035a95961b7e77cb663b9f3b67ab224cacd96787a8e2e099
SHA512

6281193ee427779bd315fa4b4c363d1294151deea4d3539f591afc7b3cce8e699b493b9ceb48de954829cd296748ae657c8f4b75b5d5b11188693cad3ffc17c4
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z8q1q:c8y93KQjy7G55riF1cMo036

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2492-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2492-1-0x0000000010000000-0x0000000010030000-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 behavior: EnumeratesProcesses 1 IoCs

pid	Process
2492	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2492	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 2492	2376	rundll32.exe	30
PID 2376 wrote to memory of 2492	2376	rundll32.exe	30
PID 2376 wrote to memory of 2492	2376	rundll32.exe	30
PID 2376 wrote to memory of 2492	2376	rundll32.exe	30
PID 2376 wrote to memory of 2492	2376	rundll32.exe	30
PID 2376 wrote to memory of 2492	2376	rundll32.exe	30
PID 2376 wrote to memory of 2492	2376	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1155e793b8be4351035a95961b7e77cb663b9f3b67ab224cacd96787a8e2e099.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2376
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1155e793b8be4351035a95961b7e77cb663b9f3b67ab224cacd96787a8e2e099.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2492

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

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/2492-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2492-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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