4ef702a13b87f44dcdc149ba50fc0a334192c57018ccc1d846d19d8c4646fc93

Analysis

max time kernel
150s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/09/2024, 01:29

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

4ef702a13b87f44dcdc149ba50fc0a334192c57018ccc1d846d19d8c4646fc93.exe
Size

239KB
MD5

58a5c8b03f4f14c3fdfeb1e73cf72ac8
SHA1

fd35c9c55012cc6871812cc985dbdb436ccb0fac
SHA256

4ef702a13b87f44dcdc149ba50fc0a334192c57018ccc1d846d19d8c4646fc93
SHA512

3e18a44e6c113d8f7c975bae6b57137524c15ebe802462c8be8da94b917341fdb4654aa51d9f5846978e827ace1ed521b1da6a33f1200c203e4ac1f9e4cec639
SSDEEP

3072:hsXRmUIMitiMQose27vc+Eld+xZp2vPRL1tT06zJoxAWBcKpSP//dwR1l9B4hT5:GR5IuMQoseGk7RZBGxAycKpSPX2pU3

Score

10^/10

credential_access discovery evasion persistence spyware stealer

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe, C:\\Users\\Admin\\AppData\\Local\\_foldernamelocalappdata_\\tar32.exe"	tar32.exe

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	tar32.exe

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	4ef702a13b87f44dcdc149ba50fc0a334192c57018ccc1d846d19d8c4646fc93.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	tar32.exe

Executes dropped EXE 3 IoCs

pid	Process
3792	tar32.exe
3692	tar32.exe
2412	tar32.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*tar32 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4ef702a13b87f44dcdc149ba50fc0a334192c57018ccc1d846d19d8c4646fc93.exe"	4ef702a13b87f44dcdc149ba50fc0a334192c57018ccc1d846d19d8c4646fc93.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tar32 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4ef702a13b87f44dcdc149ba50fc0a334192c57018ccc1d846d19d8c4646fc93.exe"	4ef702a13b87f44dcdc149ba50fc0a334192c57018ccc1d846d19d8c4646fc93.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*QWRtaW4= = "C:\\Users\\Admin\\AppData\\Local\\_foldernamelocalappdata_\\tar32.exe"	tar32.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
13	pastebin.com
15	pastebin.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3792 set thread context of 4456	3792	tar32.exe	95

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

System Information Discovery
T1082

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	InstallUtil.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4940	timeout.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2688	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe
3792	tar32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3792	tar32.exe
Token: SeDebugPrivilege	4456	InstallUtil.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1636 wrote to memory of 3792	1636	4ef702a13b87f44dcdc149ba50fc0a334192c57018ccc1d846d19d8c4646fc93.exe	82
PID 1636 wrote to memory of 3792	1636	4ef702a13b87f44dcdc149ba50fc0a334192c57018ccc1d846d19d8c4646fc93.exe	82
PID 1636 wrote to memory of 2648	1636	4ef702a13b87f44dcdc149ba50fc0a334192c57018ccc1d846d19d8c4646fc93.exe	83
PID 1636 wrote to memory of 2648	1636	4ef702a13b87f44dcdc149ba50fc0a334192c57018ccc1d846d19d8c4646fc93.exe	83
PID 1636 wrote to memory of 2104	1636	4ef702a13b87f44dcdc149ba50fc0a334192c57018ccc1d846d19d8c4646fc93.exe	85
PID 1636 wrote to memory of 2104	1636	4ef702a13b87f44dcdc149ba50fc0a334192c57018ccc1d846d19d8c4646fc93.exe	85
PID 2104 wrote to memory of 4940	2104	cmd.exe	87
PID 2104 wrote to memory of 4940	2104	cmd.exe	87
PID 3792 wrote to memory of 2688	3792	tar32.exe	90
PID 3792 wrote to memory of 2688	3792	tar32.exe	90
PID 3792 wrote to memory of 4456	3792	tar32.exe	95
PID 3792 wrote to memory of 4456	3792	tar32.exe	95
PID 3792 wrote to memory of 4456	3792	tar32.exe	95
PID 3792 wrote to memory of 4456	3792	tar32.exe	95
PID 3792 wrote to memory of 4456	3792	tar32.exe	95
PID 3792 wrote to memory of 4456	3792	tar32.exe	95
PID 3792 wrote to memory of 4456	3792	tar32.exe	95
PID 3792 wrote to memory of 4456	3792	tar32.exe	95

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\4ef702a13b87f44dcdc149ba50fc0a334192c57018ccc1d846d19d8c4646fc93.exe
"C:\Users\Admin\AppData\Local\Temp\4ef702a13b87f44dcdc149ba50fc0a334192c57018ccc1d846d19d8c4646fc93.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1636
- C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\tar32.exe
  "C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\tar32.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Modifies visiblity of hidden/system files in Explorer
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3792
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /tn Admin /tr "\"C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\tar32.exe\" arguments" /sc MINUTE /mo 1
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2688
- - \??\c:\windows\microsoft.net\framework\v2.0.50727\InstallUtil.exe
    "c:\windows\microsoft.net\framework\v2.0.50727\\InstallUtil.exe" C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\tar32.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:4456
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe"
  2⤵
  PID:2648
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout /t 5 && del "C:\Users\Admin\AppData\Local\Temp\4ef702a13b87f44dcdc149ba50fc0a334192c57018ccc1d846d19d8c4646fc93.exe" && del "C:\Users\Admin\AppData\Local\Temp\4ef702a13b87f44dcdc149ba50fc0a334192c57018ccc1d846d19d8c4646fc93.exe.config"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2104
- - C:\Windows\system32\timeout.exe
    timeout /t 5
    3⤵
    - Delays execution with timeout.exe
    PID:4940

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:4732

C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\tar32.exe
C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\tar32.exe arguments
1⤵
- Executes dropped EXE
PID:3692

C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\tar32.exe
C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\tar32.exe arguments
1⤵
- Executes dropped EXE
PID:2412

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0\UsageLogs\tar32.exe.log

Filesize
595B

MD5
5446caf843683ea0aab610c729c40ab1

SHA1
6df96e9c6c90843766b0fde8cec5e3a955291e74

SHA256
f7dbd089564c22c13483b867392a7bd1f9b49f8e0b089e2cc7bd7bfbf62c6329

SHA512
488e2b8750ff820e3fbdcbb9201abddfc6c8ccc3e7cc29962a05c2313ea862eddbf4e0a49ab6a5029aa4d9c137daf2623f1b34e4dcb896269e6edae8276148ff

Download Submit
C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\tar32.exe

Filesize
239KB

MD5
10860ad27272f544285317b0500f02e9

SHA1
994fea72955f8d4e0f1b02b81869a548da01365d

SHA256
89df658f9bde6db339dfc184d52835de5684f429813a6802c3988e6fd3990ca5

SHA512
ded5d65e528743c209e5f94b04abef5998192883f485957fdf12925eb8e3dfe51acdeeed2b22bf5f17aacf27d16675634c7360364deea9ea15b30a7086635d0d

Download Submit
C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\tar32.exe.config

Filesize
1KB

MD5
dd3d04c365984b4ec57a80503f81fddf

SHA1
c55fbcb61818e47dac9aae465faff91f0805bd7c

SHA256
40a59ca9744dc3d4647f246b2dc553f37f8095418c1b48a9bd94cdb5c03dbc5c

SHA512
0dd459def2abe9e3f0d1251049a0755c63f7dd3d85e91dba272c3f479f2578e3f3f2379e1cd6913190f7f596af721201eb5d9423ab28aed72bde5cd3cac7f785

Download Submit
memory/1636-5-0x00007FFA852E0000-0x00007FFA85C81000-memory.dmp

Filesize
9.6MB

Download
memory/1636-11-0x000000001F4E0000-0x000000001F586000-memory.dmp

Filesize
664KB

Download
memory/1636-6-0x000000001CA90000-0x000000001CAF6000-memory.dmp

Filesize
408KB

Download
memory/1636-0-0x00007FFA85595000-0x00007FFA85596000-memory.dmp

Filesize
4KB

Download
memory/1636-7-0x00007FFA852E0000-0x00007FFA85C81000-memory.dmp

Filesize
9.6MB

Download
memory/1636-8-0x00007FFA852E0000-0x00007FFA85C81000-memory.dmp

Filesize
9.6MB

Download
memory/1636-9-0x00007FFA852E0000-0x00007FFA85C81000-memory.dmp

Filesize
9.6MB

Download
memory/1636-30-0x00007FFA852E0000-0x00007FFA85C81000-memory.dmp

Filesize
9.6MB

Download
memory/1636-10-0x000000001CFC0000-0x000000001CFE2000-memory.dmp

Filesize
136KB

Download
memory/1636-3-0x000000001C8C0000-0x000000001C95C000-memory.dmp

Filesize
624KB

Download
memory/1636-1-0x00007FFA852E0000-0x00007FFA85C81000-memory.dmp

Filesize
9.6MB

Download
memory/1636-4-0x0000000001930000-0x0000000001938000-memory.dmp

Filesize
32KB

Download
memory/1636-2-0x000000001C350000-0x000000001C81E000-memory.dmp

Filesize
4.8MB

Download
memory/2412-41-0x0000000000B60000-0x0000000000B82000-memory.dmp

Filesize
136KB

Download
memory/3692-36-0x000000001E570000-0x000000001E592000-memory.dmp

Filesize
136KB

Download
memory/3792-26-0x00007FFA852E0000-0x00007FFA85C81000-memory.dmp

Filesize
9.6MB

Download
memory/3792-33-0x000000001D7C0000-0x000000001D822000-memory.dmp

Filesize
392KB

Download
memory/3792-34-0x00007FFA852E0000-0x00007FFA85C81000-memory.dmp

Filesize
9.6MB

Download
memory/3792-31-0x000000001CC20000-0x000000001CC42000-memory.dmp

Filesize
136KB

Download
memory/3792-28-0x00007FFA852E0000-0x00007FFA85C81000-memory.dmp

Filesize
9.6MB

Download
memory/3792-27-0x00007FFA852E0000-0x00007FFA85C81000-memory.dmp

Filesize
9.6MB

Download
memory/4456-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download