8e12dc4b5b89beab902febe90f49de6f2f0e18ad7399c23fb917f6a6b6b65195

Analysis

max time kernel
314s
max time network
1595s
platform
windows10-1703_x64
resource
win10-20240611-en
resource tags

arch:x64arch:x86image:win10-20240611-enlocale:en-usos:windows10-1703-x64system
submitted
12/10/2024, 11:53

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General

Target

tool/cygz.dll
Size

71KB
MD5

1bfb7d20779f3506a91086f2dcfe9203
SHA1

3108efe9a90bde5d7f60c01d3e66f35eaf3752b1
SHA256

c8c3a59c37edba3f80f8f4e837968a0c3eedd153fb8d79b2123a2bbea8e32c53
SHA512

a053171b3755b9c8f05be7eafe145e9f4d8dee77d2f11ef379349d8a1f02adaafa06391f6ad017013d1a51738eafa25401455ddca55f20c6eacc9f1859a0d831
SSDEEP

1536:xPba121uUtTXYsrsfNAk09bUAKsVvdqRurmjnToIfpIOOIOYQ/bOY:ZC21uMYx09b7KhTBfD8YQ/bOY

Score

3^/10

discovery

Malware Config

Signatures

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 3 IoCs

description	pid	Process
Token: SeRestorePrivilege	4068	rundll32.exe
Token: SeBackupPrivilege	4068	rundll32.exe
Token: SeDebugPrivilege	4068	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 900 wrote to memory of 4068	900	rundll32.exe	70
PID 900 wrote to memory of 4068	900	rundll32.exe	70
PID 900 wrote to memory of 4068	900	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\tool\cygz.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:900
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\tool\cygz.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4068

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/4068-0-0x0000000061000000-0x0000000061480000-memory.dmp

Filesize
4.5MB

Download
memory/4068-2-0x000000006BF40000-0x000000006BF58000-memory.dmp

Filesize
96KB

Download
memory/4068-1-0x00000000694C0000-0x00000000694D7000-memory.dmp

Filesize
92KB

Download