2b23e7a4df2981edadc9a973ab9b5425d79542597fc1dd67e166a021aee59736

Analysis

max time kernel
140s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
04-02-2025 21:01

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General

Target

2b23e7a4df2981edadc9a973ab9b5425d79542597fc1dd67e166a021aee59736.dll
Size

76KB
MD5

f615a3e7e8953f18449c6a98492bbeef
SHA1

b1ac9c12ce155ab1c682e1c317a4c5f878888cfa
SHA256

2b23e7a4df2981edadc9a973ab9b5425d79542597fc1dd67e166a021aee59736
SHA512

51bc6482be8e69d435ad15b51f6bc5478fa76c42eaa59132d8a8a2bae39d73d737dca56978a1740b8b8b514e0ea3d6031003d4f8c0fec85652415873cd453350
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZqRTW:c8y93KQjy7G55riF1cMo03Kq

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1660-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1660-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1660-4-0x0000000010000000-0x0000000010030000-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
1660	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1660	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 1660	3056	rundll32.exe	30
PID 3056 wrote to memory of 1660	3056	rundll32.exe	30
PID 3056 wrote to memory of 1660	3056	rundll32.exe	30
PID 3056 wrote to memory of 1660	3056	rundll32.exe	30
PID 3056 wrote to memory of 1660	3056	rundll32.exe	30
PID 3056 wrote to memory of 1660	3056	rundll32.exe	30
PID 3056 wrote to memory of 1660	3056	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2b23e7a4df2981edadc9a973ab9b5425d79542597fc1dd67e166a021aee59736.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3056
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2b23e7a4df2981edadc9a973ab9b5425d79542597fc1dd67e166a021aee59736.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1660

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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/1660-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1660-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1660-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1660-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1660-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download