b1c9342a0154901c13036f5b160296e231323e8b98656d11f0aa626d91baea48

Analysis

max time kernel
119s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
18/08/2024, 05:44

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General

Target

8206029257f4060891acb3e5a6bb2710N.dll
Size

76KB
MD5

8206029257f4060891acb3e5a6bb2710
SHA1

d430b882fa0fbec4985350b9b5ff162205dc3254
SHA256

b1c9342a0154901c13036f5b160296e231323e8b98656d11f0aa626d91baea48
SHA512

58c9d891cc13f71014e2d276528047254c6772a0068bea6400c8e9a18cecb54f7f9b94c6a533606ee71c5923c3b025cda1ec81fb7093464566f6552bcea2c20e
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZmvP:c8y93KQjy7G55riF1cMo030vP

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/2204-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2204-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2056	2204	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	2204	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2436 wrote to memory of 2204	2436	rundll32.exe	31
PID 2436 wrote to memory of 2204	2436	rundll32.exe	31
PID 2436 wrote to memory of 2204	2436	rundll32.exe	31
PID 2436 wrote to memory of 2204	2436	rundll32.exe	31
PID 2436 wrote to memory of 2204	2436	rundll32.exe	31
PID 2436 wrote to memory of 2204	2436	rundll32.exe	31
PID 2436 wrote to memory of 2204	2436	rundll32.exe	31
PID 2204 wrote to memory of 2056	2204	rundll32.exe	32
PID 2204 wrote to memory of 2056	2204	rundll32.exe	32
PID 2204 wrote to memory of 2056	2204	rundll32.exe	32
PID 2204 wrote to memory of 2056	2204	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8206029257f4060891acb3e5a6bb2710N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2436
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8206029257f4060891acb3e5a6bb2710N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2204
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2204 -s 308
    3⤵
    - Program crash
    PID:2056

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/2204-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2204-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download