7bc8899c00850ccf2e7b9c70ab2c1174e0918723ae3f40b48e2710ef807b2724

Analysis

max time kernel
94s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-01-2025 05:09

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General

Target

7bc8899c00850ccf2e7b9c70ab2c1174e0918723ae3f40b48e2710ef807b2724.dll
Size

76KB
MD5

28fb7d3955d3598195eef83c0d62e30c
SHA1

d48ef5ec001a7b359d8095defd77a8de97b348ae
SHA256

7bc8899c00850ccf2e7b9c70ab2c1174e0918723ae3f40b48e2710ef807b2724
SHA512

270a3af5b3f5388f623d155174b6dd8800475bf5e0a4827bc0a51b0e0e4f91791b6aa57d77710c36d177a227fcd583cd102502fee0cb8b03a71fcff2bf8810cf
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z8bvwVds:c8y93KQjy7G55riF1cMo03CbmS

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
behavioral2/memory/1176-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1176-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1884	1176	WerFault.exe	82

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	1176	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 1176	2488	rundll32.exe	82
PID 2488 wrote to memory of 1176	2488	rundll32.exe	82
PID 2488 wrote to memory of 1176	2488	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7bc8899c00850ccf2e7b9c70ab2c1174e0918723ae3f40b48e2710ef807b2724.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7bc8899c00850ccf2e7b9c70ab2c1174e0918723ae3f40b48e2710ef807b2724.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1176
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1176 -s 700
    3⤵
    - Program crash
    PID:1884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1176 -ip 1176
1⤵
PID:4812

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/1176-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1176-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download