ff436720e96cf2ee5d813e532eb5fd23b4e3ad9f4b54f22b499e00506c35036c

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-12-2024 09:44

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General

Target

ff436720e96cf2ee5d813e532eb5fd23b4e3ad9f4b54f22b499e00506c35036c.dll
Size

76KB
MD5

d9786d0121cca13e07294ce288074a48
SHA1

257010d03b8f964d16feb47c450f99680433c50a
SHA256

ff436720e96cf2ee5d813e532eb5fd23b4e3ad9f4b54f22b499e00506c35036c
SHA512

41fa4dd7063fed81f9f43ee15145c1ff881d4fb3cbd546fbd99f9ee4ed5e1a3fe66242d2321bb640903a84ef2fc19894096611775bed38a14bc9976dfecfa1ea
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z0KK6nTCJ6FM:c8y93KQjy7G55riF1cMo03qK3y6i

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/2304-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2304-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2304-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2504	2304	WerFault.exe	31

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	2304	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 2304	2512	rundll32.exe	31
PID 2512 wrote to memory of 2304	2512	rundll32.exe	31
PID 2512 wrote to memory of 2304	2512	rundll32.exe	31
PID 2512 wrote to memory of 2304	2512	rundll32.exe	31
PID 2512 wrote to memory of 2304	2512	rundll32.exe	31
PID 2512 wrote to memory of 2304	2512	rundll32.exe	31
PID 2512 wrote to memory of 2304	2512	rundll32.exe	31
PID 2304 wrote to memory of 2504	2304	rundll32.exe	32
PID 2304 wrote to memory of 2504	2304	rundll32.exe	32
PID 2304 wrote to memory of 2504	2304	rundll32.exe	32
PID 2304 wrote to memory of 2504	2304	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ff436720e96cf2ee5d813e532eb5fd23b4e3ad9f4b54f22b499e00506c35036c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ff436720e96cf2ee5d813e532eb5fd23b4e3ad9f4b54f22b499e00506c35036c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2304
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2304 -s 324
    3⤵
    - Program crash
    PID:2504

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/2304-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2304-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2304-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download