72395ec1a48758a005d052d72fde286c083be13110308fdc4216bd8e9c325de7

Analysis

max time kernel
30s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
11-06-2024 19:54

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General

Target

adnwr.exe
Size

48KB
MD5

d83cac8ac77e88472b7d1a46b4bdc006
SHA1

ae5b4606463ca36ae8785bfcbc47cc4dee9b1fb0
SHA256

e1813b54272346a48364e789cb04bad5e292cbf3cc16057dc6435e965b377c0c
SHA512

a1460605dccd2540394f8f3ee8ec0c2e1ffd8ffe42c25f72470089da247ebc7ef1587372847e42bab901dbdf665596dfd658b44ac04ae1d0f2adb8165be2922e
SSDEEP

768:zynb12Aw5J6HC4kq5Jp9bjAzhyY55J+NStcEeUlyqgZl4p67QhPC:Ub1MsHz3JDwhyWr+N95OTga67

Score

8^/10

persistence

Malware Config

Signatures

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remocte1\Parameters\ServiceDll = "C:\\Windows\\system32\\240612890.dll"	adnwr.exe

Loads dropped DLL 1 IoCs

pid	Process
2096	adnwr.exe

Creates a Windows Service
persistence

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\240612890.dll	adnwr.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
488	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2096	adnwr.exe
2096	adnwr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2096	adnwr.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2096	adnwr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 3064	2096	adnwr.exe	82
PID 2096 wrote to memory of 3064	2096	adnwr.exe	82
PID 2096 wrote to memory of 3064	2096	adnwr.exe	82
PID 3064 wrote to memory of 488	3064	cmd.exe	84
PID 3064 wrote to memory of 488	3064	cmd.exe	84
PID 3064 wrote to memory of 488	3064	cmd.exe	84

C:\Users\Admin\AppData\Local\Temp\adnwr.exe
"C:\Users\Admin\AppData\Local\Temp\adnwr.exe"
1⤵
- Sets DLL path for service in the registry
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2096
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 1 && del /f/q "C:\Users\Admin\AppData\Local\Temp\adnwr.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3064
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 1
    3⤵
    - Runs ping.exe
    PID:488

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remocte1"
1⤵
PID:2968

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remocte1"
1⤵
PID:2624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\240612890.dll

Filesize
25KB

MD5
2cf9e3986e417853e1133c1ca5908641

SHA1
a41b925eb8de7b64fefbf2a7a5377f5cae26c808

SHA256
9946f05522c001be2f44e3d71eea0ebf193d214d3cdd7ad2b5cd01fa3f50e1c2

SHA512
7b7c67b274e8dcd57d5214a923bca7299ef6deef4e4ac66b3c557ef9e3c8aa08e10da789f0a2c8c8d10d3544e052b8f456302a30ed337de283c11fe6308aab5e

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