fc7f106835fe0c233e4a49c09dfa00b897411a01d8ab1014b74016c7a174e67d

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 07:57

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General

Target

fc7f106835fe0c233e4a49c09dfa00b897411a01d8ab1014b74016c7a174e67dN.dll
Size

76KB
MD5

e5341b6cf54499fa9ec18a076f846bf0
SHA1

22d293b3f368da16ecf0e95bc4ecdc983613201d
SHA256

fc7f106835fe0c233e4a49c09dfa00b897411a01d8ab1014b74016c7a174e67d
SHA512

58daf8e9cc9d0ef09cce66871000ead370e1ebcef9ebd4b5beac39ce1f118afce3545b47498ab7b2452da28a0bfe299ce269164c7b56dad0e84dea27732339df
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZeyFoP/i:c8y93KQjy7G55riF1cMo030Rni

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/2052-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2052-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2052-5-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2040	2052	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	2052	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 2052	1996	rundll32.exe	30
PID 1996 wrote to memory of 2052	1996	rundll32.exe	30
PID 1996 wrote to memory of 2052	1996	rundll32.exe	30
PID 1996 wrote to memory of 2052	1996	rundll32.exe	30
PID 1996 wrote to memory of 2052	1996	rundll32.exe	30
PID 1996 wrote to memory of 2052	1996	rundll32.exe	30
PID 1996 wrote to memory of 2052	1996	rundll32.exe	30
PID 2052 wrote to memory of 2040	2052	rundll32.exe	31
PID 2052 wrote to memory of 2040	2052	rundll32.exe	31
PID 2052 wrote to memory of 2040	2052	rundll32.exe	31
PID 2052 wrote to memory of 2040	2052	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc7f106835fe0c233e4a49c09dfa00b897411a01d8ab1014b74016c7a174e67dN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc7f106835fe0c233e4a49c09dfa00b897411a01d8ab1014b74016c7a174e67dN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2052
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2052 -s 268
    3⤵
    - Program crash
    PID:2040

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/2052-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2052-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2052-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2052-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2052-5-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download