238474a6849e58d1afbbba58a0ace99658bb8215981ea91786cf471f60426c5a

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
24/06/2024, 16:51

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General

Target

uaa.exe
Size

144KB
MD5

120cb6528cd6cd5d87c8091b549141e0
SHA1

1274d57af7e11f22361df7807ff5c213585b2aee
SHA256

4107ca25f7228c0aa5407b528fa6d48d10734c4ae72088a78857f77c8e289910
SHA512

58cbbeada86393d285b3a9501c226f98d761bd7ac0de67228af1b2a8586a1b81222f3fe8043f0a7ec5a9431b764634d2e1de98b0dce9bef682287cff76716963
SSDEEP

3072:8ozK+rVoJoikcb81aWZveimww4uc72ZIVu/JMLqllXw5Eec/Gv:8AKAQArZvdJw5JZ6LeA

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
2508	Zsvzvy.exe
2136	Zsvzvy.exe
2576	Zsvzvy.exe

Loads dropped DLL 4 IoCs

pid	Process
1960	uaa.exe
2628	uaa.exe
2628	uaa.exe
2508	Zsvzvy.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\Zsvzvy = "C:\\Users\\Admin\\AppData\\Roaming\\Zsvzvy.exe"	uaa.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1960 set thread context of 2384	1960	uaa.exe	28
PID 2384 set thread context of 2628	2384	uaa.exe	29
PID 2508 set thread context of 2136	2508	Zsvzvy.exe	31
PID 2136 set thread context of 2576	2136	Zsvzvy.exe	32

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\PageSetup	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\InternetRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\LowRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Toolbar	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{11330621-324A-11EF-8C92-6A2211F10352} = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\IntelliForms	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Zoom	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\SearchScopes	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "425409807"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2628	uaa.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2576	Zsvzvy.exe
Token: SeDebugPrivilege	1428	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
292	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
292	IEXPLORE.EXE
292	IEXPLORE.EXE
1428	IEXPLORE.EXE
1428	IEXPLORE.EXE
1428	IEXPLORE.EXE
1428	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 58 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 2384	1960	uaa.exe	28
PID 1960 wrote to memory of 2384	1960	uaa.exe	28
PID 1960 wrote to memory of 2384	1960	uaa.exe	28
PID 1960 wrote to memory of 2384	1960	uaa.exe	28
PID 1960 wrote to memory of 2384	1960	uaa.exe	28
PID 1960 wrote to memory of 2384	1960	uaa.exe	28
PID 1960 wrote to memory of 2384	1960	uaa.exe	28
PID 1960 wrote to memory of 2384	1960	uaa.exe	28
PID 1960 wrote to memory of 2384	1960	uaa.exe	28
PID 1960 wrote to memory of 2384	1960	uaa.exe	28
PID 2384 wrote to memory of 2628	2384	uaa.exe	29
PID 2384 wrote to memory of 2628	2384	uaa.exe	29
PID 2384 wrote to memory of 2628	2384	uaa.exe	29
PID 2384 wrote to memory of 2628	2384	uaa.exe	29
PID 2384 wrote to memory of 2628	2384	uaa.exe	29
PID 2384 wrote to memory of 2628	2384	uaa.exe	29
PID 2384 wrote to memory of 2628	2384	uaa.exe	29
PID 2384 wrote to memory of 2628	2384	uaa.exe	29
PID 2384 wrote to memory of 2628	2384	uaa.exe	29
PID 2384 wrote to memory of 2628	2384	uaa.exe	29
PID 2628 wrote to memory of 2508	2628	uaa.exe	30
PID 2628 wrote to memory of 2508	2628	uaa.exe	30
PID 2628 wrote to memory of 2508	2628	uaa.exe	30
PID 2628 wrote to memory of 2508	2628	uaa.exe	30
PID 2508 wrote to memory of 2136	2508	Zsvzvy.exe	31
PID 2508 wrote to memory of 2136	2508	Zsvzvy.exe	31
PID 2508 wrote to memory of 2136	2508	Zsvzvy.exe	31
PID 2508 wrote to memory of 2136	2508	Zsvzvy.exe	31
PID 2508 wrote to memory of 2136	2508	Zsvzvy.exe	31
PID 2508 wrote to memory of 2136	2508	Zsvzvy.exe	31
PID 2508 wrote to memory of 2136	2508	Zsvzvy.exe	31
PID 2508 wrote to memory of 2136	2508	Zsvzvy.exe	31
PID 2508 wrote to memory of 2136	2508	Zsvzvy.exe	31
PID 2508 wrote to memory of 2136	2508	Zsvzvy.exe	31
PID 2136 wrote to memory of 2576	2136	Zsvzvy.exe	32
PID 2136 wrote to memory of 2576	2136	Zsvzvy.exe	32
PID 2136 wrote to memory of 2576	2136	Zsvzvy.exe	32
PID 2136 wrote to memory of 2576	2136	Zsvzvy.exe	32
PID 2136 wrote to memory of 2576	2136	Zsvzvy.exe	32
PID 2136 wrote to memory of 2576	2136	Zsvzvy.exe	32
PID 2136 wrote to memory of 2576	2136	Zsvzvy.exe	32
PID 2136 wrote to memory of 2576	2136	Zsvzvy.exe	32
PID 2136 wrote to memory of 2576	2136	Zsvzvy.exe	32
PID 2136 wrote to memory of 2576	2136	Zsvzvy.exe	32
PID 2576 wrote to memory of 2024	2576	Zsvzvy.exe	33
PID 2576 wrote to memory of 2024	2576	Zsvzvy.exe	33
PID 2576 wrote to memory of 2024	2576	Zsvzvy.exe	33
PID 2576 wrote to memory of 2024	2576	Zsvzvy.exe	33
PID 2024 wrote to memory of 292	2024	iexplore.exe	34
PID 2024 wrote to memory of 292	2024	iexplore.exe	34
PID 2024 wrote to memory of 292	2024	iexplore.exe	34
PID 2024 wrote to memory of 292	2024	iexplore.exe	34
PID 292 wrote to memory of 1428	292	IEXPLORE.EXE	36
PID 292 wrote to memory of 1428	292	IEXPLORE.EXE	36
PID 292 wrote to memory of 1428	292	IEXPLORE.EXE	36
PID 292 wrote to memory of 1428	292	IEXPLORE.EXE	36
PID 2576 wrote to memory of 1428	2576	Zsvzvy.exe	36
PID 2576 wrote to memory of 1428	2576	Zsvzvy.exe	36

C:\Users\Admin\AppData\Local\Temp\uaa.exe
"C:\Users\Admin\AppData\Local\Temp\uaa.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1960
- C:\Users\Admin\AppData\Local\Temp\uaa.exe
  "C:\Users\Admin\AppData\Local\Temp\uaa.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2384
- - C:\Users\Admin\AppData\Local\Temp\uaa.exe
    "C:\Users\Admin\AppData\Local\Temp\uaa.exe"
    3⤵
    - Loads dropped DLL
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2628
  - - C:\Users\Admin\AppData\Roaming\Zsvzvy.exe
      "C:\Users\Admin\AppData\Roaming\Zsvzvy.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of SetThreadContext
      Suspicious use of WriteProcessMemory
      PID:2508
    - - C:\Users\Admin\AppData\Roaming\Zsvzvy.exe
        
        "C:\Users\Admin\AppData\Roaming\Zsvzvy.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:2136
      - C:\Users\Admin\AppData\Roaming\Zsvzvy.exe
        
        "C:\Users\Admin\AppData\Roaming\Zsvzvy.exe"
        6⤵
        Executes dropped EXE
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:2576
        
        C:\Program Files (x86)\Internet Explorer\iexplore.exe
        
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        7⤵
        Suspicious use of WriteProcessMemory
        
        PID:2024
        
        C:\Program Files\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
        8⤵
        Modifies Internet Explorer settings
        Suspicious use of FindShellTrayWindow
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:292
        
        C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:292 CREDAT:275457 /prefetch:2
        9⤵
        Modifies Internet Explorer settings
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:1428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\ajaaski2144b1ad4syQ.tmp

Filesize
3KB

MD5
2e1058266ffce954a2c25811eb5bfbb3

SHA1
3b449a645a3f34b36bd7baa231df4d675c99daa3

SHA256
e09742c8d9f8ed59268bb24bcebd33fe14e36c8665e2c44bf57a8942a0e7e040

SHA512
c758a661f9ea0df5b43cd46c5d82ee0f4c0c1743f378fcbcf242ecb8345f855c7967e60856fbfef513bd1f11d81bc5f959b843cf58916ac5e838738dc9131ae9

Download Submit
\Users\Admin\AppData\Roaming\Zsvzvy.exe

Filesize
144KB

MD5
120cb6528cd6cd5d87c8091b549141e0

SHA1
1274d57af7e11f22361df7807ff5c213585b2aee

SHA256
4107ca25f7228c0aa5407b528fa6d48d10734c4ae72088a78857f77c8e289910

SHA512
58cbbeada86393d285b3a9501c226f98d761bd7ac0de67228af1b2a8586a1b81222f3fe8043f0a7ec5a9431b764634d2e1de98b0dce9bef682287cff76716963

Download Submit
memory/2384-7-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2384-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2384-11-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2384-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2384-15-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2384-6-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2384-17-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2384-18-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2384-3-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2576-91-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2576-85-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2628-19-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2628-30-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2628-27-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2628-25-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2628-23-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2628-32-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2628-47-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2628-33-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2628-21-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download