a91712613799b95076fd5fbf2da4281f0ea2e95a9a6e9126b5c00a89da579992

Analysis

max time kernel
110s
max time network
20s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
15/07/2024, 12:46

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General

Target

dc7bf940a3b1e9f7108c97d8f45c04c0N.dll
Size

76KB
MD5

dc7bf940a3b1e9f7108c97d8f45c04c0
SHA1

0bad6f62b3b1791d85fb22e46a1d489a78cdbbb0
SHA256

a91712613799b95076fd5fbf2da4281f0ea2e95a9a6e9126b5c00a89da579992
SHA512

19061d424d1178a298c80121a28aef59cf01c1b4b9827bc7284f8fa3bd0f04fe140d9c9ad476fed9b16a189bf1c6a216fab380a3ddf1307c73ff8384dadff82c
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zoi8QhssYE:c8y93KQjy7G55riF1cMo03SOysz

Score

8^/10

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/2380-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2380-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2380-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2380-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1716	2380	WerFault.exe	29

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2380	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 2380	2028	rundll32.exe	29
PID 2028 wrote to memory of 2380	2028	rundll32.exe	29
PID 2028 wrote to memory of 2380	2028	rundll32.exe	29
PID 2028 wrote to memory of 2380	2028	rundll32.exe	29
PID 2028 wrote to memory of 2380	2028	rundll32.exe	29
PID 2028 wrote to memory of 2380	2028	rundll32.exe	29
PID 2028 wrote to memory of 2380	2028	rundll32.exe	29
PID 2380 wrote to memory of 1716	2380	rundll32.exe	30
PID 2380 wrote to memory of 1716	2380	rundll32.exe	30
PID 2380 wrote to memory of 1716	2380	rundll32.exe	30
PID 2380 wrote to memory of 1716	2380	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dc7bf940a3b1e9f7108c97d8f45c04c0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\dc7bf940a3b1e9f7108c97d8f45c04c0N.dll,#1
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2380
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2380 -s 280
    3⤵
    - Program crash
    PID:1716

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2380-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2380-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2380-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2380-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download