8edd90a0fbe57aa51a113be310efcb14048b41741b809e2f6a71b81df260cb2d

Analysis

max time kernel
110s
max time network
20s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
19/09/2024, 11:24

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General

Target

8edd90a0fbe57aa51a113be310efcb14048b41741b809e2f6a71b81df260cb2dN.dll
Size

76KB
MD5

eeb98e52a5ead41d83154fd6d7a71330
SHA1

d0d01d9e2f41a06169c9ca6c8d5a69da99cf0c5f
SHA256

8edd90a0fbe57aa51a113be310efcb14048b41741b809e2f6a71b81df260cb2d
SHA512

e08ad594609f52ce9c99b2bd8cfc051523881644e04d8d7d21885d884046e274aa118beadb185244f7b6a4dc21ac91c892eb72387c4daa77db622cd476f33610
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZUEkp:c8y93KQjy7G55riF1cMo03pkp

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/2216-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2216-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2216-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1908	2216	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	2216	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 2216	2684	rundll32.exe	30
PID 2684 wrote to memory of 2216	2684	rundll32.exe	30
PID 2684 wrote to memory of 2216	2684	rundll32.exe	30
PID 2684 wrote to memory of 2216	2684	rundll32.exe	30
PID 2684 wrote to memory of 2216	2684	rundll32.exe	30
PID 2684 wrote to memory of 2216	2684	rundll32.exe	30
PID 2684 wrote to memory of 2216	2684	rundll32.exe	30
PID 2216 wrote to memory of 1908	2216	rundll32.exe	31
PID 2216 wrote to memory of 1908	2216	rundll32.exe	31
PID 2216 wrote to memory of 1908	2216	rundll32.exe	31
PID 2216 wrote to memory of 1908	2216	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8edd90a0fbe57aa51a113be310efcb14048b41741b809e2f6a71b81df260cb2dN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8edd90a0fbe57aa51a113be310efcb14048b41741b809e2f6a71b81df260cb2dN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2216
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 272
    3⤵
    - Program crash
    PID:1908

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/2216-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2216-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2216-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2216-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download