f263deaea0477a11c1828bfadc1ecfce5c9c5559cc7498a2d2de49dd97b6a53a

Analysis

max time kernel
75s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
20-12-2024 09:09

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General

Target

f263deaea0477a11c1828bfadc1ecfce5c9c5559cc7498a2d2de49dd97b6a53a.dll
Size

76KB
MD5

ed8013eb4806bf9492d3c261dd857e13
SHA1

c8fc76a53028e65465d7f144dd485a43a15805a1
SHA256

f263deaea0477a11c1828bfadc1ecfce5c9c5559cc7498a2d2de49dd97b6a53a
SHA512

4d24b0d8fdd471acd58af516d1c5c3c49f573cdb9014a27e0185e29b7af4b0761d174155f17582d441a449ab8b693d35ea8476f9183038f7be82ae192cd7d9ec
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZngQK:c8y93KQjy7G55riF1cMo03U

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/1128-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1128-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1128-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1236	1128	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	1128	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 1128	1736	rundll32.exe	30
PID 1736 wrote to memory of 1128	1736	rundll32.exe	30
PID 1736 wrote to memory of 1128	1736	rundll32.exe	30
PID 1736 wrote to memory of 1128	1736	rundll32.exe	30
PID 1736 wrote to memory of 1128	1736	rundll32.exe	30
PID 1736 wrote to memory of 1128	1736	rundll32.exe	30
PID 1736 wrote to memory of 1128	1736	rundll32.exe	30
PID 1128 wrote to memory of 1236	1128	rundll32.exe	31
PID 1128 wrote to memory of 1236	1128	rundll32.exe	31
PID 1128 wrote to memory of 1236	1128	rundll32.exe	31
PID 1128 wrote to memory of 1236	1128	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f263deaea0477a11c1828bfadc1ecfce5c9c5559cc7498a2d2de49dd97b6a53a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1736
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f263deaea0477a11c1828bfadc1ecfce5c9c5559cc7498a2d2de49dd97b6a53a.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1128
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1128 -s 340
    3⤵
    - Program crash
    PID:1236

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/1128-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1128-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1128-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1128-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download