dc00919243ff2ed3f95dd32dc9c4423fdc2b4c47b5631d211e21aeb7a24b9738

Analysis

max time kernel
141s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
09-12-2024 03:43

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General

Target

dc00919243ff2ed3f95dd32dc9c4423fdc2b4c47b5631d211e21aeb7a24b9738.dll
Size

76KB
MD5

e9233fa304feadd9be57ff5489b7745a
SHA1

e5e1dd3e51175d08d111829b19c2973a9d349e8c
SHA256

dc00919243ff2ed3f95dd32dc9c4423fdc2b4c47b5631d211e21aeb7a24b9738
SHA512

5edb44a3fe880dd861abe174150d25e16af74e6c6bf8c8b4049bfba0ae8bc1efb8dc6b32a7bb12b8cc11df6c3342c6b9931077beddb3be99a8fdd2535354f9af
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zfg69P3Na:c8y93KQjy7G55riF1cMo03Ze

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/2568-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2568-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2568-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2568-4-0x0000000010000000-0x0000000010030000-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
2568	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2568	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2580 wrote to memory of 2568	2580	rundll32.exe	30
PID 2580 wrote to memory of 2568	2580	rundll32.exe	30
PID 2580 wrote to memory of 2568	2580	rundll32.exe	30
PID 2580 wrote to memory of 2568	2580	rundll32.exe	30
PID 2580 wrote to memory of 2568	2580	rundll32.exe	30
PID 2580 wrote to memory of 2568	2580	rundll32.exe	30
PID 2580 wrote to memory of 2568	2580	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dc00919243ff2ed3f95dd32dc9c4423fdc2b4c47b5631d211e21aeb7a24b9738.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2580
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\dc00919243ff2ed3f95dd32dc9c4423fdc2b4c47b5631d211e21aeb7a24b9738.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2568

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/2568-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2568-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2568-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2568-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2568-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download