821f4a17d32edfd60fe2f72371eb256e82b874a384154cc96916670718630b53

General

Target

821f4a17d32edfd60fe2f72371eb256e82b874a384154cc96916670718630b53.exe
Size

184KB
MD5

a7b874e729944aef06c30c45c79cb5a2
SHA1

7cf6f932d9db67cb41594d525f0fdacb1eb8aa7a
SHA256

821f4a17d32edfd60fe2f72371eb256e82b874a384154cc96916670718630b53
SHA512

97745485da5a25d850a274ba3af6ae2f1d875e8a5ef19e6ff17b2f413c9488b903d83ad8d86e8d4c6f98f2543ba9419d169322ce5c8d96a93d4e9142923e1054
SSDEEP

3072:GpYV4vTyGXE8RqiGc0ggKTL02m6MOOVY8evilv2YtRW6zdkDkjTq8Zr1z8ChzGlc:XiWGNp0gHX0CVS2YWIJgC

Score

8^/10

persistence

Malware Config

Signatures

Registers COM server for autorun 1 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32	821f4a17d32edfd60fe2f72371eb256e82b874a384154cc96916670718630b53.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32\ThreadingModel = "Both"	821f4a17d32edfd60fe2f72371eb256e82b874a384154cc96916670718630b53.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\{bb8ab67a-d838-2496-fd4e-ead6952e3208}\\n."	821f4a17d32edfd60fe2f72371eb256e82b874a384154cc96916670718630b53.exe

Deletes itself 1 IoCs

pid	Process
824	cmd.exe

Unexpected DNS network traffic destination 16 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	194.50.116.54
Destination IP	194.50.116.54
Destination IP	194.50.116.54
Destination IP	66.85.130.234
Destination IP	194.50.116.54
Destination IP	66.85.130.234
Destination IP	66.85.130.234
Destination IP	66.85.130.234
Destination IP	194.50.116.54
Destination IP	66.85.130.234
Destination IP	66.85.130.234
Destination IP	194.50.116.54
Destination IP	66.85.130.234
Destination IP	66.85.130.234
Destination IP	194.50.116.54
Destination IP	194.50.116.54

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1504 set thread context of 824	1504	821f4a17d32edfd60fe2f72371eb256e82b874a384154cc96916670718630b53.exe	28

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Installer\{bb8ab67a-d838-2496-fd4e-ead6952e3208}\@	821f4a17d32edfd60fe2f72371eb256e82b874a384154cc96916670718630b53.exe
File created	C:\Windows\Installer\{bb8ab67a-d838-2496-fd4e-ead6952e3208}\n	821f4a17d32edfd60fe2f72371eb256e82b874a384154cc96916670718630b53.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\{bb8ab67a-d838-2496-fd4e-ead6952e3208}\\n."	821f4a17d32edfd60fe2f72371eb256e82b874a384154cc96916670718630b53.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\clsid	821f4a17d32edfd60fe2f72371eb256e82b874a384154cc96916670718630b53.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}	821f4a17d32edfd60fe2f72371eb256e82b874a384154cc96916670718630b53.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32	821f4a17d32edfd60fe2f72371eb256e82b874a384154cc96916670718630b53.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{42aedc87-2188-41fd-b9a3-0c966feabec1}\InprocServer32\ThreadingModel = "Both"	821f4a17d32edfd60fe2f72371eb256e82b874a384154cc96916670718630b53.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1504	821f4a17d32edfd60fe2f72371eb256e82b874a384154cc96916670718630b53.exe
1504	821f4a17d32edfd60fe2f72371eb256e82b874a384154cc96916670718630b53.exe
1504	821f4a17d32edfd60fe2f72371eb256e82b874a384154cc96916670718630b53.exe
1504	821f4a17d32edfd60fe2f72371eb256e82b874a384154cc96916670718630b53.exe
1504	821f4a17d32edfd60fe2f72371eb256e82b874a384154cc96916670718630b53.exe
1504	821f4a17d32edfd60fe2f72371eb256e82b874a384154cc96916670718630b53.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1504	821f4a17d32edfd60fe2f72371eb256e82b874a384154cc96916670718630b53.exe
Token: SeDebugPrivilege	1504	821f4a17d32edfd60fe2f72371eb256e82b874a384154cc96916670718630b53.exe
Token: SeDebugPrivilege	1504	821f4a17d32edfd60fe2f72371eb256e82b874a384154cc96916670718630b53.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1376	Explorer.EXE
1376	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1376	Explorer.EXE
1376	Explorer.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1504 wrote to memory of 1376	1504	821f4a17d32edfd60fe2f72371eb256e82b874a384154cc96916670718630b53.exe	15
PID 1504 wrote to memory of 1376	1504	821f4a17d32edfd60fe2f72371eb256e82b874a384154cc96916670718630b53.exe	15
PID 1504 wrote to memory of 464	1504	821f4a17d32edfd60fe2f72371eb256e82b874a384154cc96916670718630b53.exe	2
PID 1504 wrote to memory of 824	1504	821f4a17d32edfd60fe2f72371eb256e82b874a384154cc96916670718630b53.exe	28
PID 1504 wrote to memory of 824	1504	821f4a17d32edfd60fe2f72371eb256e82b874a384154cc96916670718630b53.exe	28
PID 1504 wrote to memory of 824	1504	821f4a17d32edfd60fe2f72371eb256e82b874a384154cc96916670718630b53.exe	28
PID 1504 wrote to memory of 824	1504	821f4a17d32edfd60fe2f72371eb256e82b874a384154cc96916670718630b53.exe	28
PID 1504 wrote to memory of 824	1504	821f4a17d32edfd60fe2f72371eb256e82b874a384154cc96916670718630b53.exe	28

C:\Windows\system32\services.exe
C:\Windows\system32\services.exe
1⤵
PID:464

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1376
- C:\Users\Admin\AppData\Local\Temp\821f4a17d32edfd60fe2f72371eb256e82b874a384154cc96916670718630b53.exe
  "C:\Users\Admin\AppData\Local\Temp\821f4a17d32edfd60fe2f72371eb256e82b874a384154cc96916670718630b53.exe"
  2⤵
  - Registers COM server for autorun
  - Suspicious use of SetThreadContext
  - Drops file in Windows directory
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1504
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe"
    3⤵
    - Deletes itself
    PID:824

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\systemroot\Installer\{bb8ab67a-d838-2496-fd4e-ead6952e3208}\@

Filesize
2KB

MD5
e91a7f6efda1013a18efb89e2b325dc8

SHA1
887f6d4dc5cf5701887c97b5d09a6864df49e01f

SHA256
e90c60814b17e2b491a8d5d9252ce82206e94b4f357048416272367d787be79c

SHA512
eb7679d7448197bf496fdf16b640341848e14b0ddc829c29ab71997fb0fc54356d910fae8b806c5ef9c2c67d184a9d3992883a8445d1e013e363e49849d3a7cc

Download Submit
memory/464-82-0x0000000000080000-0x0000000000088000-memory.dmp

Filesize
32KB

Download
memory/464-75-0x00000000001B0000-0x00000000001BC000-memory.dmp

Filesize
48KB

Download
memory/464-77-0x0000000000080000-0x0000000000088000-memory.dmp

Filesize
32KB

Download
memory/464-83-0x0000000000240000-0x000000000024C000-memory.dmp

Filesize
48KB

Download
memory/464-78-0x0000000000240000-0x000000000024C000-memory.dmp

Filesize
48KB

Download
memory/464-71-0x00000000001B0000-0x00000000001BC000-memory.dmp

Filesize
48KB

Download
memory/1376-66-0x0000000002770000-0x000000000277C000-memory.dmp

Filesize
48KB

Download
memory/1376-56-0x0000000002760000-0x000000000276C000-memory.dmp

Filesize
48KB

Download
memory/1376-64-0x0000000002760000-0x000000000276C000-memory.dmp

Filesize
48KB

Download
memory/1376-81-0x0000000002720000-0x0000000002728000-memory.dmp

Filesize
32KB

Download
memory/1376-65-0x0000000002720000-0x0000000002728000-memory.dmp

Filesize
32KB

Download
memory/1376-60-0x0000000002760000-0x000000000276C000-memory.dmp

Filesize
48KB

Download
memory/1504-55-0x0000000000296000-0x00000000002C3000-memory.dmp

Filesize
180KB

Download
memory/1504-79-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/1504-80-0x0000000000296000-0x00000000002C3000-memory.dmp

Filesize
180KB

Download
memory/1504-54-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/1504-86-0x0000000000296000-0x00000000002C3000-memory.dmp

Filesize
180KB

Download
memory/1504-85-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download

Analysis

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