ab893f3bef98eaa45a313e6e23db1371790c96b643dfbbab7035d7cc9bfa9b6e

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 21:44

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General

Target

ab893f3bef98eaa45a313e6e23db1371790c96b643dfbbab7035d7cc9bfa9b6eN.dll
Size

76KB
MD5

42a91c592ab6f63c670a9ee89d3dbef0
SHA1

16cb9648c7569b8ba33c29c5959afb50b9ab7919
SHA256

ab893f3bef98eaa45a313e6e23db1371790c96b643dfbbab7035d7cc9bfa9b6e
SHA512

80295eca962099295a83fec533ce4a6e626f82b2428c10e85057367ac8bdb9906d41a064778fd550febf8ff91adb72636ca3f25bef1f3f055d6c7aa37fc0c25a
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZLSL64k8D:c8y93KQjy7G55riF1cMo03f8D

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/1920-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1920-4-0x0000000010000000-0x0000000010030000-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
1920	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1920	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 1920	1724	rundll32.exe	30
PID 1724 wrote to memory of 1920	1724	rundll32.exe	30
PID 1724 wrote to memory of 1920	1724	rundll32.exe	30
PID 1724 wrote to memory of 1920	1724	rundll32.exe	30
PID 1724 wrote to memory of 1920	1724	rundll32.exe	30
PID 1724 wrote to memory of 1920	1724	rundll32.exe	30
PID 1724 wrote to memory of 1920	1724	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ab893f3bef98eaa45a313e6e23db1371790c96b643dfbbab7035d7cc9bfa9b6eN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ab893f3bef98eaa45a313e6e23db1371790c96b643dfbbab7035d7cc9bfa9b6eN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1920

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/1920-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1920-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1920-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1920-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1920-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download