a1ddae9574bbeadd40b789fc8c7719b47c0d4bd8ed93abbd1d07f7e866ac40a6

Analysis

max time kernel
150s
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, 06:14

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General

Target

99f05fe5d0501bee088a89917fddcd13.exe
Size

224KB
MD5

99f05fe5d0501bee088a89917fddcd13
SHA1

c9844f77a489184d6857cfeda58aa739f95a2b07
SHA256

17a942db32ea782d5c4d0219901f0cdfdb3f7926ca078e848257ec0eb7e4cab1
SHA512

f39a644966d68f71017d9d72fc4f1564711294cad5933b1a279253411863fc05b583c4f888c7ba0d5b23d1eb0e418c628d29d8f505265c26bc2933b616ca09a6
SSDEEP

3072:dsXRmUIMitHqQmZe27vc6Eld+xZp2vPRL1tT06zJoxAWBcKpSP//dwlmfDD:KR5IbqQmZeG47RZBGxAycKpSPX2Y

Score

10^/10

persistence

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-1-5-21-1062200478-553497403-3857448183-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe, C:\\Users\\Admin\\AppData\\Local\\_foldernamelocalappdata_\\Microsoft.Uev.SyncCommon32.exe"	Microsoft.Uev.SyncCommon32.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-1-5-21-1062200478-553497403-3857448183-1000\Control Panel\International\Geo\Nation	99f05fe5d0501bee088a89917fddcd13.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\Control Panel\International\Geo\Nation	Microsoft.Uev.SyncCommon32.exe

Executes dropped EXE 3 IoCs

pid	Process
2228	Microsoft.Uev.SyncCommon32.exe
4340	Microsoft.Uev.SyncCommon32.exe
4152	Microsoft.Uev.SyncCommon32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*Microsoft.Uev.SyncCommon32 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\99f05fe5d0501bee088a89917fddcd13.exe"	99f05fe5d0501bee088a89917fddcd13.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1062200478-553497403-3857448183-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft.Uev.SyncCommon32 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\99f05fe5d0501bee088a89917fddcd13.exe"	99f05fe5d0501bee088a89917fddcd13.exe

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

Web Service

T1102

flow	ioc
22	pastebin.com
24	pastebin.com

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
4740	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
4952	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe
2228	Microsoft.Uev.SyncCommon32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2228	Microsoft.Uev.SyncCommon32.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 2228	2684	99f05fe5d0501bee088a89917fddcd13.exe	88
PID 2684 wrote to memory of 2228	2684	99f05fe5d0501bee088a89917fddcd13.exe	88
PID 2684 wrote to memory of 4372	2684	99f05fe5d0501bee088a89917fddcd13.exe	89
PID 2684 wrote to memory of 4372	2684	99f05fe5d0501bee088a89917fddcd13.exe	89
PID 2684 wrote to memory of 4440	2684	99f05fe5d0501bee088a89917fddcd13.exe	91
PID 2684 wrote to memory of 4440	2684	99f05fe5d0501bee088a89917fddcd13.exe	91
PID 4440 wrote to memory of 4740	4440	cmd.exe	93
PID 4440 wrote to memory of 4740	4440	cmd.exe	93
PID 2228 wrote to memory of 4952	2228	Microsoft.Uev.SyncCommon32.exe	96
PID 2228 wrote to memory of 4952	2228	Microsoft.Uev.SyncCommon32.exe	96

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\99f05fe5d0501bee088a89917fddcd13.exe
"C:\Users\Admin\AppData\Local\Temp\99f05fe5d0501bee088a89917fddcd13.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\Microsoft.Uev.SyncCommon32.exe
  "C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\Microsoft.Uev.SyncCommon32.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2228
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /tn Admin /tr "\"C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\Microsoft.Uev.SyncCommon32.exe\" arguments" /sc MINUTE /mo 1
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:4952
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe"
  2⤵
  PID:4372
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout /t 5 && del "C:\Users\Admin\AppData\Local\Temp\99f05fe5d0501bee088a89917fddcd13.exe" && del "C:\Users\Admin\AppData\Local\Temp\99f05fe5d0501bee088a89917fddcd13.exe.config"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4440
- - C:\Windows\system32\timeout.exe
    timeout /t 5
    3⤵
    - Delays execution with timeout.exe
    PID:4740

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:3448

C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\Microsoft.Uev.SyncCommon32.exe
C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\Microsoft.Uev.SyncCommon32.exe arguments
1⤵
- Executes dropped EXE
PID:4340

C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\Microsoft.Uev.SyncCommon32.exe
C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\Microsoft.Uev.SyncCommon32.exe arguments
1⤵
- Executes dropped EXE
PID:4152

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

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

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\Microsoft.Uev.SyncCommon32.exe.log

Filesize
595B

MD5
5446caf843683ea0aab610c729c40ab1

SHA1
6df96e9c6c90843766b0fde8cec5e3a955291e74

SHA256
f7dbd089564c22c13483b867392a7bd1f9b49f8e0b089e2cc7bd7bfbf62c6329

SHA512
488e2b8750ff820e3fbdcbb9201abddfc6c8ccc3e7cc29962a05c2313ea862eddbf4e0a49ab6a5029aa4d9c137daf2623f1b34e4dcb896269e6edae8276148ff

Download Submit
C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\Microsoft.Uev.SyncCommon32.exe

Filesize
224KB

MD5
5bf2b7bb6dee03d3dad1542c654c431e

SHA1
7ed5ceeb9cd9eb75ee048247b18b3896a494236c

SHA256
d208c5b40701e9dd23b4c3c2b9d9e4342f3312210c0f57e3f59afc1dc64be476

SHA512
8a2041cdd58dfcd476530b0d2682f60471ae5431e032f282448b98704e37430b9efa9c25afb3bf66a6671e6bb2bbdbb1592f7a5fae8bc2117781fb97c0d4e3b8

Download Submit
C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\Microsoft.Uev.SyncCommon32.exe.config

Filesize
1KB

MD5
dd3d04c365984b4ec57a80503f81fddf

SHA1
c55fbcb61818e47dac9aae465faff91f0805bd7c

SHA256
40a59ca9744dc3d4647f246b2dc553f37f8095418c1b48a9bd94cdb5c03dbc5c

SHA512
0dd459def2abe9e3f0d1251049a0755c63f7dd3d85e91dba272c3f479f2578e3f3f2379e1cd6913190f7f596af721201eb5d9423ab28aed72bde5cd3cac7f785

Download Submit
memory/2228-26-0x00007FFAB8D40000-0x00007FFAB96E1000-memory.dmp

Filesize
9.6MB

Download
memory/2228-33-0x00007FFAB8D40000-0x00007FFAB96E1000-memory.dmp

Filesize
9.6MB

Download
memory/2228-32-0x00000000211E0000-0x0000000021242000-memory.dmp

Filesize
392KB

Download
memory/2228-31-0x000000001CCA0000-0x000000001CCC2000-memory.dmp

Filesize
136KB

Download
memory/2228-29-0x00007FFAB8D40000-0x00007FFAB96E1000-memory.dmp

Filesize
9.6MB

Download
memory/2228-30-0x00007FFAB8D40000-0x00007FFAB96E1000-memory.dmp

Filesize
9.6MB

Download
memory/2684-5-0x0000000001820000-0x0000000001828000-memory.dmp

Filesize
32KB

Download
memory/2684-10-0x0000000001880000-0x00000000018A2000-memory.dmp

Filesize
136KB

Download
memory/2684-11-0x000000001F3A0000-0x000000001F446000-memory.dmp

Filesize
664KB

Download
memory/2684-9-0x00007FFAB8D40000-0x00007FFAB96E1000-memory.dmp

Filesize
9.6MB

Download
memory/2684-8-0x00007FFAB8D40000-0x00007FFAB96E1000-memory.dmp

Filesize
9.6MB

Download
memory/2684-28-0x00007FFAB8D40000-0x00007FFAB96E1000-memory.dmp

Filesize
9.6MB

Download
memory/2684-7-0x00007FFAB8D40000-0x00007FFAB96E1000-memory.dmp

Filesize
9.6MB

Download
memory/2684-6-0x000000001C960000-0x000000001C9C6000-memory.dmp

Filesize
408KB

Download
memory/2684-0-0x00007FFAB8FF5000-0x00007FFAB8FF6000-memory.dmp

Filesize
4KB

Download
memory/2684-4-0x00007FFAB8D40000-0x00007FFAB96E1000-memory.dmp

Filesize
9.6MB

Download
memory/2684-3-0x000000001C7B0000-0x000000001C84C000-memory.dmp

Filesize
624KB

Download
memory/2684-2-0x000000001C240000-0x000000001C70E000-memory.dmp

Filesize
4.8MB

Download
memory/2684-1-0x00007FFAB8D40000-0x00007FFAB96E1000-memory.dmp

Filesize
9.6MB

Download