a993723443ef8349edf383638f05b8ed564c4f5b2afab3a85eb0caed1958ee85

Analysis

max time kernel
110s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/09/2024, 12:18

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General

Target

a993723443ef8349edf383638f05b8ed564c4f5b2afab3a85eb0caed1958ee85N.dll
Size

76KB
MD5

4e708ac4f9bd5329dcd23d0413f16720
SHA1

e3f063c97230766de959ddb29858c677c686640c
SHA256

a993723443ef8349edf383638f05b8ed564c4f5b2afab3a85eb0caed1958ee85
SHA512

5a15a319eb953f30370c175d159f62184abdeeb51c3bba978ce674e7c2502213a83765afaa4025f6354d44c3bbb0dc5cd1c6aa7705cadcee34b0587f14eb7dc3
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZoDL/YgGyZMn:c8y93KQjy7G55riF1cMo03WDL/Ygl2n

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 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1692-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1692-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1692-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1692-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1708	1692	WerFault.exe	30

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	1692	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 1692	1680	rundll32.exe	30
PID 1680 wrote to memory of 1692	1680	rundll32.exe	30
PID 1680 wrote to memory of 1692	1680	rundll32.exe	30
PID 1680 wrote to memory of 1692	1680	rundll32.exe	30
PID 1680 wrote to memory of 1692	1680	rundll32.exe	30
PID 1680 wrote to memory of 1692	1680	rundll32.exe	30
PID 1680 wrote to memory of 1692	1680	rundll32.exe	30
PID 1692 wrote to memory of 1708	1692	rundll32.exe	31
PID 1692 wrote to memory of 1708	1692	rundll32.exe	31
PID 1692 wrote to memory of 1708	1692	rundll32.exe	31
PID 1692 wrote to memory of 1708	1692	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a993723443ef8349edf383638f05b8ed564c4f5b2afab3a85eb0caed1958ee85N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1680
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a993723443ef8349edf383638f05b8ed564c4f5b2afab3a85eb0caed1958ee85N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1692
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1692 -s 320
    3⤵
    - Program crash
    PID:1708

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

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Downloads

memory/1692-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1692-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1692-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1692-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download