d7b7138815721e56f506695448dc3d7ef13c2df501f9ce859570cbe3826b9fd3

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-12-2024 03:30

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General

Target

d7b7138815721e56f506695448dc3d7ef13c2df501f9ce859570cbe3826b9fd3.dll
Size

76KB
MD5

f78763e8cf940ac8865073e6cc5ae45d
SHA1

90cbe160fd7f41017485aae962d341e00688f814
SHA256

d7b7138815721e56f506695448dc3d7ef13c2df501f9ce859570cbe3826b9fd3
SHA512

3665df9ba8067a76b79b298e06cc960500fca56710eb39f543718249d73aa8720efdb0dfeb2ad234c1d113d37d268ca5b1d1634c3a34c34ed30e79b2f3c1eb0c
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZwgCBburHfmv8eP2:c8y93KQjy7G55riF1cMo03ebburHfmvE

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 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2512-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2512-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2512-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1372	2512	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	2512	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1668 wrote to memory of 2512	1668	rundll32.exe	31
PID 1668 wrote to memory of 2512	1668	rundll32.exe	31
PID 1668 wrote to memory of 2512	1668	rundll32.exe	31
PID 1668 wrote to memory of 2512	1668	rundll32.exe	31
PID 1668 wrote to memory of 2512	1668	rundll32.exe	31
PID 1668 wrote to memory of 2512	1668	rundll32.exe	31
PID 1668 wrote to memory of 2512	1668	rundll32.exe	31
PID 2512 wrote to memory of 1372	2512	rundll32.exe	32
PID 2512 wrote to memory of 1372	2512	rundll32.exe	32
PID 2512 wrote to memory of 1372	2512	rundll32.exe	32
PID 2512 wrote to memory of 1372	2512	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d7b7138815721e56f506695448dc3d7ef13c2df501f9ce859570cbe3826b9fd3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1668
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d7b7138815721e56f506695448dc3d7ef13c2df501f9ce859570cbe3826b9fd3.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2512
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2512 -s 308
    3⤵
    - Program crash
    PID:1372

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/2512-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2512-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2512-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download