56eaeb544a5b324a1b498dc1839a346277ea0ba6840f6d5ceb898b823f14d2d5

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
22/03/2025, 06:12

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General

Target

73eb32431f602f42759a38c5eab47eff.exe
Size

220KB
MD5

73eb32431f602f42759a38c5eab47eff
SHA1

91a96c20d061045188cc0536ee698f58293dd314
SHA256

b81ac7df79d0575b92c6793db9ebab3e90ff09dabf6eef8c56ab3b6bd19fff9a
SHA512

f0be2833d56d671a6f51f1503ff2b70196c0a217c3913b23f2994b7f42a82fa3a5e45b525a575eceb5a260224781a756fcd6bb0f2b90ead7aa6082a6d1009dd5
SSDEEP

3072:YsXRmUIMitiMQose27vc+Eld+xZp2vPRL1tT06zJoxAWBcKpSP//dwRmh:ZR5IuMQoseGk7RZBGxAycKpSPX2q

Score

10^/10

defense_evasion discovery 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-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe, C:\\Users\\Admin\\AppData\\Local\\_foldernamelocalappdata_\\cmutil32.exe"	cmutil32.exe

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

defense_evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	cmutil32.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-1-5-21-3342763580-2723508992-2885672917-1000\Control Panel\International\Geo\Nation	73eb32431f602f42759a38c5eab47eff.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Control Panel\International\Geo\Nation	cmutil32.exe

Executes dropped EXE 3 IoCs

pid	Process
1868	cmutil32.exe
608	cmutil32.exe
3808	cmutil32.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

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-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*cmutil32 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\73eb32431f602f42759a38c5eab47eff.exe"	73eb32431f602f42759a38c5eab47eff.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cmutil32 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\73eb32431f602f42759a38c5eab47eff.exe"	73eb32431f602f42759a38c5eab47eff.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*QWRtaW4= = "C:\\Users\\Admin\\AppData\\Local\\_foldernamelocalappdata_\\cmutil32.exe"	cmutil32.exe

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

Web Service

T1102

flow	ioc
14	pastebin.com
23	pastebin.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1868 set thread context of 2116	1868	cmutil32.exe	103

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

defense_evasion

pid	Process
4364	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
1956	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe
1868	cmutil32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1868	cmutil32.exe
Token: SeDebugPrivilege	2116	InstallUtil.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 5636 wrote to memory of 1868	5636	73eb32431f602f42759a38c5eab47eff.exe	89
PID 5636 wrote to memory of 1868	5636	73eb32431f602f42759a38c5eab47eff.exe	89
PID 5636 wrote to memory of 5816	5636	73eb32431f602f42759a38c5eab47eff.exe	90
PID 5636 wrote to memory of 5816	5636	73eb32431f602f42759a38c5eab47eff.exe	90
PID 5636 wrote to memory of 3860	5636	73eb32431f602f42759a38c5eab47eff.exe	92
PID 5636 wrote to memory of 3860	5636	73eb32431f602f42759a38c5eab47eff.exe	92
PID 3860 wrote to memory of 4364	3860	cmd.exe	94
PID 3860 wrote to memory of 4364	3860	cmd.exe	94
PID 1868 wrote to memory of 1956	1868	cmutil32.exe	99
PID 1868 wrote to memory of 1956	1868	cmutil32.exe	99
PID 1868 wrote to memory of 2116	1868	cmutil32.exe	103
PID 1868 wrote to memory of 2116	1868	cmutil32.exe	103
PID 1868 wrote to memory of 2116	1868	cmutil32.exe	103
PID 1868 wrote to memory of 2116	1868	cmutil32.exe	103
PID 1868 wrote to memory of 2116	1868	cmutil32.exe	103
PID 1868 wrote to memory of 2116	1868	cmutil32.exe	103
PID 1868 wrote to memory of 2116	1868	cmutil32.exe	103
PID 1868 wrote to memory of 2116	1868	cmutil32.exe	103

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\73eb32431f602f42759a38c5eab47eff.exe
"C:\Users\Admin\AppData\Local\Temp\73eb32431f602f42759a38c5eab47eff.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5636
- C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\cmutil32.exe
  "C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\cmutil32.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:1868
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /tn Admin /tr "\"C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\cmutil32.exe\" arguments" /sc MINUTE /mo 1
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:1956
- - \??\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_\cmutil32.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2116
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe"
  2⤵
  PID:5816
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout /t 5 && del "C:\Users\Admin\AppData\Local\Temp\73eb32431f602f42759a38c5eab47eff.exe" && del "C:\Users\Admin\AppData\Local\Temp\73eb32431f602f42759a38c5eab47eff.exe.config"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3860
- - C:\Windows\system32\timeout.exe
    timeout /t 5
    3⤵
    - Delays execution with timeout.exe
    PID:4364

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:2484

C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\cmutil32.exe
C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\cmutil32.exe arguments
1⤵
- Executes dropped EXE
PID:608

C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\cmutil32.exe
C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\cmutil32.exe arguments
1⤵
- Executes dropped EXE
PID:3808

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0\UsageLogs\cmutil32.exe.log

Filesize
595B

MD5
5446caf843683ea0aab610c729c40ab1

SHA1
6df96e9c6c90843766b0fde8cec5e3a955291e74

SHA256
f7dbd089564c22c13483b867392a7bd1f9b49f8e0b089e2cc7bd7bfbf62c6329

SHA512
488e2b8750ff820e3fbdcbb9201abddfc6c8ccc3e7cc29962a05c2313ea862eddbf4e0a49ab6a5029aa4d9c137daf2623f1b34e4dcb896269e6edae8276148ff

Download Submit
C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\cmutil32.exe

Filesize
220KB

MD5
740ba20c741e100f67c33710dd50d00c

SHA1
73c9332dc2942c582dd604b496e048ea3b712201

SHA256
dc078923084d22e8a83d113336927b5cd3a0d16eebdcb1c0d1376119f26137a0

SHA512
70479d690815dfc7cc2a75df93014821e5203897ef9a8ad5e2229f444bf27d81821ccf95891c1bcd150cf6660349c3ccfa7400ea36af0313dcbb02d0bdab481d

Download Submit
C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\cmutil32.exe.config

Filesize
1KB

MD5
dd3d04c365984b4ec57a80503f81fddf

SHA1
c55fbcb61818e47dac9aae465faff91f0805bd7c

SHA256
40a59ca9744dc3d4647f246b2dc553f37f8095418c1b48a9bd94cdb5c03dbc5c

SHA512
0dd459def2abe9e3f0d1251049a0755c63f7dd3d85e91dba272c3f479f2578e3f3f2379e1cd6913190f7f596af721201eb5d9423ab28aed72bde5cd3cac7f785

Download Submit
memory/1868-31-0x000000001CB00000-0x000000001CB22000-memory.dmp

Filesize
136KB

Download
memory/1868-26-0x00007FF91F3C0000-0x00007FF91FD61000-memory.dmp

Filesize
9.6MB

Download
memory/1868-36-0x00007FF91F3C0000-0x00007FF91FD61000-memory.dmp

Filesize
9.6MB

Download
memory/1868-35-0x00007FF91F3C0000-0x00007FF91FD61000-memory.dmp

Filesize
9.6MB

Download
memory/1868-34-0x00007FF91F3C0000-0x00007FF91FD61000-memory.dmp

Filesize
9.6MB

Download
memory/1868-33-0x000000001FAA0000-0x000000001FB02000-memory.dmp

Filesize
392KB

Download
memory/1868-30-0x00007FF91F3C0000-0x00007FF91FD61000-memory.dmp

Filesize
9.6MB

Download
memory/1868-29-0x00007FF91F3C0000-0x00007FF91FD61000-memory.dmp

Filesize
9.6MB

Download
memory/5636-11-0x000000001F980000-0x000000001FA26000-memory.dmp

Filesize
664KB

Download
memory/5636-3-0x000000001BBB0000-0x000000001BC4C000-memory.dmp

Filesize
624KB

Download
memory/5636-2-0x000000001C180000-0x000000001C64E000-memory.dmp

Filesize
4.8MB

Download
memory/5636-28-0x00007FF91F3C0000-0x00007FF91FD61000-memory.dmp

Filesize
9.6MB

Download
memory/5636-9-0x00007FF91F3C0000-0x00007FF91FD61000-memory.dmp

Filesize
9.6MB

Download
memory/5636-10-0x000000001EE30000-0x000000001EE52000-memory.dmp

Filesize
136KB

Download
memory/5636-4-0x00007FF91F3C0000-0x00007FF91FD61000-memory.dmp

Filesize
9.6MB

Download
memory/5636-0-0x00007FF91F675000-0x00007FF91F676000-memory.dmp

Filesize
4KB

Download
memory/5636-8-0x00007FF91F3C0000-0x00007FF91FD61000-memory.dmp

Filesize
9.6MB

Download
memory/5636-7-0x00007FF91F3C0000-0x00007FF91FD61000-memory.dmp

Filesize
9.6MB

Download
memory/5636-6-0x000000001C7B0000-0x000000001C816000-memory.dmp

Filesize
408KB

Download
memory/5636-5-0x00000000015E0000-0x00000000015E8000-memory.dmp

Filesize
32KB

Download
memory/5636-1-0x00007FF91F3C0000-0x00007FF91FD61000-memory.dmp

Filesize
9.6MB

Download