f8d4b828260a262f839ef56519af8fbdbedcc910a8e510b503a105fa1d54635c

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02/01/2025, 08:32

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General

Target

f8d4b828260a262f839ef56519af8fbdbedcc910a8e510b503a105fa1d54635c.dll
Size

76KB
MD5

7bcde66bb0eac3518589bafa3d9b468a
SHA1

86b34bf16f842cfdd56c7b768ea54c55565f8c80
SHA256

f8d4b828260a262f839ef56519af8fbdbedcc910a8e510b503a105fa1d54635c
SHA512

e73d703fab9be9a87ecbd9f8388e96c51838dc92f1baecedbdb4502d5f92e74a652dc590f966b92540c59d5c9ec434a139038e1b27b4c291b282009c6e4a3192
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z6Y:c8y93KQjy7G55riF1cMo03oY

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 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1340-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1340-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1340-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1340-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1340-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

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 behavior: EnumeratesProcesses 1 IoCs

pid	Process
1340	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1340	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2176 wrote to memory of 1340	2176	rundll32.exe	31
PID 2176 wrote to memory of 1340	2176	rundll32.exe	31
PID 2176 wrote to memory of 1340	2176	rundll32.exe	31
PID 2176 wrote to memory of 1340	2176	rundll32.exe	31
PID 2176 wrote to memory of 1340	2176	rundll32.exe	31
PID 2176 wrote to memory of 1340	2176	rundll32.exe	31
PID 2176 wrote to memory of 1340	2176	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8d4b828260a262f839ef56519af8fbdbedcc910a8e510b503a105fa1d54635c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2176
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8d4b828260a262f839ef56519af8fbdbedcc910a8e510b503a105fa1d54635c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1340

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/1340-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1340-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1340-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1340-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1340-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download