cdbf95db643a38161e5410797a9ff10149ed6022c85e9725c13c5c5be688a8f4

Analysis

max time kernel
91s
max time network
18s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
03-01-2025 12:01

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General

Target

cdbf95db643a38161e5410797a9ff10149ed6022c85e9725c13c5c5be688a8f4N.dll
Size

203KB
MD5

88b463dfd6b55445b9662f5b11d1e890
SHA1

898b34cca9c7570a18d06ee92ad701ac4fb27bc2
SHA256

cdbf95db643a38161e5410797a9ff10149ed6022c85e9725c13c5c5be688a8f4
SHA512

85067815472bb3b953186fcdf7e55f5ffce0356dcaa557e8051526fb9c5f5b0fea8cc992b752803342d6d553a0f428a648d75431906373ef7a69f88c884c1a08
SSDEEP

3072:aJ8IMILmCa3yx6oFEdgVXnF6C9Ugfxm32n7SpiMCPV:5kmCaiEoFEd+F3txm2SpiM0V

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 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2772-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2772-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2772-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2772-3-0x0000000010000000-0x0000000010033000-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
2772	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2772	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 2772	2676	rundll32.exe	30
PID 2676 wrote to memory of 2772	2676	rundll32.exe	30
PID 2676 wrote to memory of 2772	2676	rundll32.exe	30
PID 2676 wrote to memory of 2772	2676	rundll32.exe	30
PID 2676 wrote to memory of 2772	2676	rundll32.exe	30
PID 2676 wrote to memory of 2772	2676	rundll32.exe	30
PID 2676 wrote to memory of 2772	2676	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cdbf95db643a38161e5410797a9ff10149ed6022c85e9725c13c5c5be688a8f4N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cdbf95db643a38161e5410797a9ff10149ed6022c85e9725c13c5c5be688a8f4N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2772

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/2772-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2772-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2772-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2772-3-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download