e1a2f51dadfee7a296d8c0fa2941c58313724d5158a483756d9814a028ba8924

Analysis

max time kernel
152s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
25/11/2022, 15:55

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

e1a2f51dadfee7a296d8c0fa2941c58313724d5158a483756d9814a028ba8924.exe
Size

305KB
MD5

a750e2f4ae05402949bb137a265fb170
SHA1

cbcffb2851eff56376d4b57dd9ae6e2608625d88
SHA256

e1a2f51dadfee7a296d8c0fa2941c58313724d5158a483756d9814a028ba8924
SHA512

601933eeb8c5163cf198f9019a8f9459b4f1b79082bc50fada5e5f2e8aab2952fbc5f1fb55950a2cd1129e04294293348601a9d3c5e0317d356dd162562f3364
SSDEEP

6144:MAfMSIUI4fyB6szPXz4lk1ZIR7KySE76cseR0:MmMSIifyRPXclk1ZgKEGcseR0

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3296	uthih.exe
4452	uthih.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	e1a2f51dadfee7a296d8c0fa2941c58313724d5158a483756d9814a028ba8924.exe
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	uthih.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\Currentversion\Run	uthih.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Efuzyd = "C:\\Users\\Admin\\AppData\\Roaming\\Arow\\uthih.exe"	uthih.exe
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows\Currentversion\Run	uthih.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2620 set thread context of 4932	2620	e1a2f51dadfee7a296d8c0fa2941c58313724d5158a483756d9814a028ba8924.exe	92
PID 3296 set thread context of 4452	3296	uthih.exe	98

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

System Information Discovery
T1082
Runs net.exe

Suspicious behavior: EnumeratesProcesses 44 IoCs

pid	Process
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe
4452	uthih.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSecurityPrivilege	4932	e1a2f51dadfee7a296d8c0fa2941c58313724d5158a483756d9814a028ba8924.exe
Token: SeSecurityPrivilege	4932	e1a2f51dadfee7a296d8c0fa2941c58313724d5158a483756d9814a028ba8924.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2620	e1a2f51dadfee7a296d8c0fa2941c58313724d5158a483756d9814a028ba8924.exe
3296	uthih.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2620 wrote to memory of 3772	2620	e1a2f51dadfee7a296d8c0fa2941c58313724d5158a483756d9814a028ba8924.exe	89
PID 2620 wrote to memory of 3772	2620	e1a2f51dadfee7a296d8c0fa2941c58313724d5158a483756d9814a028ba8924.exe	89
PID 2620 wrote to memory of 3772	2620	e1a2f51dadfee7a296d8c0fa2941c58313724d5158a483756d9814a028ba8924.exe	89
PID 3772 wrote to memory of 1664	3772	net.exe	91
PID 3772 wrote to memory of 1664	3772	net.exe	91
PID 3772 wrote to memory of 1664	3772	net.exe	91
PID 2620 wrote to memory of 4932	2620	e1a2f51dadfee7a296d8c0fa2941c58313724d5158a483756d9814a028ba8924.exe	92
PID 2620 wrote to memory of 4932	2620	e1a2f51dadfee7a296d8c0fa2941c58313724d5158a483756d9814a028ba8924.exe	92
PID 2620 wrote to memory of 4932	2620	e1a2f51dadfee7a296d8c0fa2941c58313724d5158a483756d9814a028ba8924.exe	92
PID 2620 wrote to memory of 4932	2620	e1a2f51dadfee7a296d8c0fa2941c58313724d5158a483756d9814a028ba8924.exe	92
PID 2620 wrote to memory of 4932	2620	e1a2f51dadfee7a296d8c0fa2941c58313724d5158a483756d9814a028ba8924.exe	92
PID 2620 wrote to memory of 4932	2620	e1a2f51dadfee7a296d8c0fa2941c58313724d5158a483756d9814a028ba8924.exe	92
PID 2620 wrote to memory of 4932	2620	e1a2f51dadfee7a296d8c0fa2941c58313724d5158a483756d9814a028ba8924.exe	92
PID 2620 wrote to memory of 4932	2620	e1a2f51dadfee7a296d8c0fa2941c58313724d5158a483756d9814a028ba8924.exe	92
PID 4932 wrote to memory of 3296	4932	e1a2f51dadfee7a296d8c0fa2941c58313724d5158a483756d9814a028ba8924.exe	93
PID 4932 wrote to memory of 3296	4932	e1a2f51dadfee7a296d8c0fa2941c58313724d5158a483756d9814a028ba8924.exe	93
PID 4932 wrote to memory of 3296	4932	e1a2f51dadfee7a296d8c0fa2941c58313724d5158a483756d9814a028ba8924.exe	93
PID 3296 wrote to memory of 2796	3296	uthih.exe	95
PID 3296 wrote to memory of 2796	3296	uthih.exe	95
PID 3296 wrote to memory of 2796	3296	uthih.exe	95
PID 2796 wrote to memory of 2984	2796	net.exe	97
PID 2796 wrote to memory of 2984	2796	net.exe	97
PID 2796 wrote to memory of 2984	2796	net.exe	97
PID 3296 wrote to memory of 4452	3296	uthih.exe	98
PID 3296 wrote to memory of 4452	3296	uthih.exe	98
PID 3296 wrote to memory of 4452	3296	uthih.exe	98
PID 3296 wrote to memory of 4452	3296	uthih.exe	98
PID 3296 wrote to memory of 4452	3296	uthih.exe	98
PID 3296 wrote to memory of 4452	3296	uthih.exe	98
PID 3296 wrote to memory of 4452	3296	uthih.exe	98
PID 3296 wrote to memory of 4452	3296	uthih.exe	98
PID 4932 wrote to memory of 1940	4932	e1a2f51dadfee7a296d8c0fa2941c58313724d5158a483756d9814a028ba8924.exe	99
PID 4932 wrote to memory of 1940	4932	e1a2f51dadfee7a296d8c0fa2941c58313724d5158a483756d9814a028ba8924.exe	99
PID 4932 wrote to memory of 1940	4932	e1a2f51dadfee7a296d8c0fa2941c58313724d5158a483756d9814a028ba8924.exe	99
PID 4452 wrote to memory of 2656	4452	uthih.exe	66
PID 4452 wrote to memory of 2656	4452	uthih.exe	66
PID 4452 wrote to memory of 2656	4452	uthih.exe	66
PID 4452 wrote to memory of 2656	4452	uthih.exe	66
PID 4452 wrote to memory of 2656	4452	uthih.exe	66
PID 4452 wrote to memory of 2788	4452	uthih.exe	65
PID 4452 wrote to memory of 2788	4452	uthih.exe	65
PID 4452 wrote to memory of 2788	4452	uthih.exe	65
PID 4452 wrote to memory of 2788	4452	uthih.exe	65
PID 4452 wrote to memory of 2788	4452	uthih.exe	65
PID 4452 wrote to memory of 2844	4452	uthih.exe	64
PID 4452 wrote to memory of 2844	4452	uthih.exe	64
PID 4452 wrote to memory of 2844	4452	uthih.exe	64
PID 4452 wrote to memory of 2844	4452	uthih.exe	64
PID 4452 wrote to memory of 2844	4452	uthih.exe	64
PID 4452 wrote to memory of 1076	4452	uthih.exe	62
PID 4452 wrote to memory of 1076	4452	uthih.exe	62
PID 4452 wrote to memory of 1076	4452	uthih.exe	62
PID 4452 wrote to memory of 1076	4452	uthih.exe	62
PID 4452 wrote to memory of 1076	4452	uthih.exe	62
PID 4452 wrote to memory of 3084	4452	uthih.exe	61
PID 4452 wrote to memory of 3084	4452	uthih.exe	61
PID 4452 wrote to memory of 3084	4452	uthih.exe	61
PID 4452 wrote to memory of 3084	4452	uthih.exe	61
PID 4452 wrote to memory of 3084	4452	uthih.exe	61
PID 4452 wrote to memory of 3272	4452	uthih.exe	60
PID 4452 wrote to memory of 3272	4452	uthih.exe	60
PID 4452 wrote to memory of 3272	4452	uthih.exe	60
PID 4452 wrote to memory of 3272	4452	uthih.exe	60
PID 4452 wrote to memory of 3272	4452	uthih.exe	60

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3488

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4568

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3764

C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
1⤵
PID:3584

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:3372

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3272

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3084

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1076
- C:\Users\Admin\AppData\Local\Temp\e1a2f51dadfee7a296d8c0fa2941c58313724d5158a483756d9814a028ba8924.exe
  "C:\Users\Admin\AppData\Local\Temp\e1a2f51dadfee7a296d8c0fa2941c58313724d5158a483756d9814a028ba8924.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2620
- - C:\Windows\SysWOW64\net.exe
    "C:\Windows\System32\net.exe" stop sharedaccess
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3772
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop sharedaccess
      4⤵
      PID:1664
- - C:\Users\Admin\AppData\Local\Temp\e1a2f51dadfee7a296d8c0fa2941c58313724d5158a483756d9814a028ba8924.exe
    "C:\Users\Admin\AppData\Local\Temp\e1a2f51dadfee7a296d8c0fa2941c58313724d5158a483756d9814a028ba8924.exe"
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4932
  - - C:\Users\Admin\AppData\Roaming\Arow\uthih.exe
      "C:\Users\Admin\AppData\Roaming\Arow\uthih.exe"
      4⤵
      Executes dropped EXE
      Checks computer location settings
      Suspicious use of SetThreadContext
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:3296
    - - C:\Windows\SysWOW64\net.exe
        
        "C:\Windows\System32\net.exe" stop sharedaccess
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2796
      - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop sharedaccess
        6⤵
        
        PID:2984
    - - C:\Users\Admin\AppData\Roaming\Arow\uthih.exe
        
        "C:\Users\Admin\AppData\Roaming\Arow\uthih.exe"
        5⤵
        Executes dropped EXE
        Adds Run key to start application
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:4452
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmp65b4437d.bat"
      4⤵
      PID:1940
    - - C:\Windows\System32\Conhost.exe
        
        \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
        5⤵
        
        PID:2164

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2844

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2788

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2656

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp65b4437d.bat

Filesize
307B

MD5
7f7bda14c4f9be905554d7e3a1512ff0

SHA1
3f3030b77ab3f504fe72b523e1e81b12ee4ffa92

SHA256
f8adb7e7dcb69bd5675ba46e2764f45db7996940d789d29408281b465cc0d345

SHA512
813c50d4a9dd0f217b0d1abb1c70f30fcb8e301851b0b25ef6c639c007e58b238b067636b0e7d06f66dd1f28db77472160c737c53ce83b59f75363623366f742

Download Submit
C:\Users\Admin\AppData\Roaming\Arow\uthih.exe

Filesize
305KB

MD5
ab3d614871f907576ed2f856fc77da17

SHA1
ac60cfee7d155a239718101465e16f2701ff8938

SHA256
5af9afc7012016850f77667b59f3e2bb70ccf121442e35ffc7a557a9bdaf39bd

SHA512
676bc3915ebe3ed95354758bade840fc70fce392c3139d144e79ae068cce14a0e3e987f73a6d726dcbbb613b4f73b3a92a23f982ca4c3e039c8cd2144bb81366

Download Submit
C:\Users\Admin\AppData\Roaming\Arow\uthih.exe

Filesize
305KB

MD5
ab3d614871f907576ed2f856fc77da17

SHA1
ac60cfee7d155a239718101465e16f2701ff8938

SHA256
5af9afc7012016850f77667b59f3e2bb70ccf121442e35ffc7a557a9bdaf39bd

SHA512
676bc3915ebe3ed95354758bade840fc70fce392c3139d144e79ae068cce14a0e3e987f73a6d726dcbbb613b4f73b3a92a23f982ca4c3e039c8cd2144bb81366

Download Submit
C:\Users\Admin\AppData\Roaming\Arow\uthih.exe

Filesize
305KB

MD5
ab3d614871f907576ed2f856fc77da17

SHA1
ac60cfee7d155a239718101465e16f2701ff8938

SHA256
5af9afc7012016850f77667b59f3e2bb70ccf121442e35ffc7a557a9bdaf39bd

SHA512
676bc3915ebe3ed95354758bade840fc70fce392c3139d144e79ae068cce14a0e3e987f73a6d726dcbbb613b4f73b3a92a23f982ca4c3e039c8cd2144bb81366

Download Submit
memory/1940-158-0x00000000006D0000-0x000000000070B000-memory.dmp

Filesize
236KB

Download
memory/4452-159-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/4932-141-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/4932-147-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/4932-140-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/4932-156-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/4932-139-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/4932-137-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download