a2bbef45c1c6485a45c5c1953f4b97557aa00ca9e4eba6abce7fa5f2c9eeb8b9

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10/11/2024, 01:11

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General

Target
a2bbef45c1c6485a45c5c1953f4b97557aa00ca9e4eba6abce7fa5f2c9eeb8b9.dll
Size 76KB
Sample241110-bj59rawdpl
SHA256 a2bbef45c1c6485a45c5c1953f4b97557aa00ca9e4eba6abce7fa5f2c9eeb8b9
MD5 4b2da541bbcda92f47e9f4ec8f54797c
SHA1 1268b4e58ac7be3bbf2e95af021bce43fb339261
SHA512 786be528dd0b77bdccda9ac90a631d0018d59e9134741d178ed11dcb98a1ff4d579e0026637b6c22bfb406bae47d65d34347a92498e80c6ce8b11e544ab48a5c
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z68MdfQ:c8y93KQjy7G55riF1cMo03UfQ
MD5 SHA1 SHA512 SSDEEP

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2196-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2196-2-0x0000000010000000-0x0000000010030000-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 use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 2196	2304	rundll32.exe	30
PID 2304 wrote to memory of 2196	2304	rundll32.exe	30
PID 2304 wrote to memory of 2196	2304	rundll32.exe	30
PID 2304 wrote to memory of 2196	2304	rundll32.exe	30
PID 2304 wrote to memory of 2196	2304	rundll32.exe	30
PID 2304 wrote to memory of 2196	2304	rundll32.exe	30
PID 2304 wrote to memory of 2196	2304	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a2bbef45c1c6485a45c5c1953f4b97557aa00ca9e4eba6abce7fa5f2c9eeb8b9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2304
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a2bbef45c1c6485a45c5c1953f4b97557aa00ca9e4eba6abce7fa5f2c9eeb8b9.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2196

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/2196-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/2196-2-0x0000000010000000-0x0000000010030000-memory.dmp