d99f0950069d214cb7e4fc0627613dab0d546202f528212cc88420fde65bfa92

Analysis

max time kernel
140s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-12-2024 04:34

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General

Target

d99f0950069d214cb7e4fc0627613dab0d546202f528212cc88420fde65bfa92.dll
Size

76KB
MD5

b6c638b6c4a0033df9c3af03a2a42e2a
SHA1

3af5227f88429a05c37abc47c2b51f16cb8ff581
SHA256

d99f0950069d214cb7e4fc0627613dab0d546202f528212cc88420fde65bfa92
SHA512

e669783af6003e3572956727fb01686f4cfbc51b9209262d32cbfa06b47e6d0b9279677004f2be8528ca255153f5e031e206362887ab17b3ed4d9fc5cc2887e0
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZYH+BkxA7y:c8y93KQjy7G55riF1cMo03qH+Bkx1

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/2400-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2400-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2400-2-0x0000000010000000-0x0000000010030000-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
2400	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2400	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2960 wrote to memory of 2400	2960	rundll32.exe	30
PID 2960 wrote to memory of 2400	2960	rundll32.exe	30
PID 2960 wrote to memory of 2400	2960	rundll32.exe	30
PID 2960 wrote to memory of 2400	2960	rundll32.exe	30
PID 2960 wrote to memory of 2400	2960	rundll32.exe	30
PID 2960 wrote to memory of 2400	2960	rundll32.exe	30
PID 2960 wrote to memory of 2400	2960	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d99f0950069d214cb7e4fc0627613dab0d546202f528212cc88420fde65bfa92.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2960
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d99f0950069d214cb7e4fc0627613dab0d546202f528212cc88420fde65bfa92.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2400

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/2400-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2400-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2400-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download