1683df1189700a93d5ea6f53ed925cd9700736374d218a0e3fbd6b836dd19ff5

Analysis

max time kernel
30s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-01-2025 20:10

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General

Target

1683df1189700a93d5ea6f53ed925cd9700736374d218a0e3fbd6b836dd19ff5N.dll
Size

76KB
MD5

7504e3f9b6f035d77957472f2e8f9200
SHA1

2498e7cf8c6b304271c2c53f4549d16647ad8eb3
SHA256

1683df1189700a93d5ea6f53ed925cd9700736374d218a0e3fbd6b836dd19ff5
SHA512

96f99e3b58741e8490c1b588530a0eb0228ce9895f684e759bfbdcff4d1f1e2bfda0e21cef7bd02c9f8d2f7ae1016d97b9aa60abe5c543dbf914c4f3fae7ad74
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZQCduP83:c8y93KQjy7G55riF1cMo03aCduE3

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2220-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2220-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2220-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2220-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2760	2220	WerFault.exe	30

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 AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2220	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2392 wrote to memory of 2220	2392	rundll32.exe	30
PID 2392 wrote to memory of 2220	2392	rundll32.exe	30
PID 2392 wrote to memory of 2220	2392	rundll32.exe	30
PID 2392 wrote to memory of 2220	2392	rundll32.exe	30
PID 2392 wrote to memory of 2220	2392	rundll32.exe	30
PID 2392 wrote to memory of 2220	2392	rundll32.exe	30
PID 2392 wrote to memory of 2220	2392	rundll32.exe	30
PID 2220 wrote to memory of 2760	2220	rundll32.exe	31
PID 2220 wrote to memory of 2760	2220	rundll32.exe	31
PID 2220 wrote to memory of 2760	2220	rundll32.exe	31
PID 2220 wrote to memory of 2760	2220	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1683df1189700a93d5ea6f53ed925cd9700736374d218a0e3fbd6b836dd19ff5N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2392
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1683df1189700a93d5ea6f53ed925cd9700736374d218a0e3fbd6b836dd19ff5N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2220
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2220 -s 300
    3⤵
    - Program crash
    PID:2760

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

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Downloads

memory/2220-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2220-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2220-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2220-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2220-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download