8338021ac3ad9f6ce5bdbacf2ea0d9c9f275a35c5d9c88d13e07b809b63e3394

Analysis

max time kernel
150s
max time network
171s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
02/12/2022, 22:03

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General

Target

8338021ac3ad9f6ce5bdbacf2ea0d9c9f275a35c5d9c88d13e07b809b63e3394.exe
Size

1.7MB
MD5

a78b35c9f9108d299c3314425af24fd2
SHA1

3cefedb171869b27c44b20661e96faa8eabd796a
SHA256

8338021ac3ad9f6ce5bdbacf2ea0d9c9f275a35c5d9c88d13e07b809b63e3394
SHA512

7de4d59eb2215487a9958715cfd48138a15a2126ccb9b40c81a72bf352c650c1b3b4338c588e89377dd58c53a919ea5091f21cbeb052a4235f0238b2f0ff2802
SSDEEP

49152:FkcKT1qDjxwlwjUzdJX3mXO1pcd2ubR+ij:dGwfqltVuT

Score

6^/10

evasion trojan

Malware Config

Signatures

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	8338021ac3ad9f6ce5bdbacf2ea0d9c9f275a35c5d9c88d13e07b809b63e3394.exe

Modifies Internet Explorer settings 1 TTPs 41 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	8338021ac3ad9f6ce5bdbacf2ea0d9c9f275a35c5d9c88d13e07b809b63e3394.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "377032219"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\International\CpMRU\Enable = "1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000066f8fb13b83e37479d689c4f33dca8fc000000000200000000001066000000010000200000008c2475266f90e27483a3d3a344b0a4553f5c2efd993413e414b997839a4e395b000000000e8000000002000020000000cc0b894d84874ead19e34d35979c787c05f9977465f62840c7856de2113000e5200000004283b182cae2ff0ccb98bb259cad139082fd5e0b7516c202bc431613b927a8cf40000000eb484a5fca8f7118ae9846bf0141c447c3ceead29b8c5e96f3d23aa5c81b47a6d4e9177af7faf075a000cf1be610301b0258fcb2cd9119ec6be04c0a03472376	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\International\CpMRU\InitHits = "100"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\International\CpMRU\Factor = "20"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 0037cff7dc08d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\International\CpMRU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\International\CpMRU\Size = "10"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{0C3C85D1-74D0-11ED-808D-42A98B637845} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1256	iexplore.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
668	8338021ac3ad9f6ce5bdbacf2ea0d9c9f275a35c5d9c88d13e07b809b63e3394.exe
668	8338021ac3ad9f6ce5bdbacf2ea0d9c9f275a35c5d9c88d13e07b809b63e3394.exe
1256	iexplore.exe
1256	iexplore.exe
768	IEXPLORE.EXE
768	IEXPLORE.EXE
768	IEXPLORE.EXE
768	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1256 wrote to memory of 768	1256	iexplore.exe	30
PID 1256 wrote to memory of 768	1256	iexplore.exe	30
PID 1256 wrote to memory of 768	1256	iexplore.exe	30
PID 1256 wrote to memory of 768	1256	iexplore.exe	30
PID 1256 wrote to memory of 768	1256	iexplore.exe	30
PID 1256 wrote to memory of 768	1256	iexplore.exe	30
PID 1256 wrote to memory of 768	1256	iexplore.exe	30

C:\Users\Admin\AppData\Local\Temp\8338021ac3ad9f6ce5bdbacf2ea0d9c9f275a35c5d9c88d13e07b809b63e3394.exe
"C:\Users\Admin\AppData\Local\Temp\8338021ac3ad9f6ce5bdbacf2ea0d9c9f275a35c5d9c88d13e07b809b63e3394.exe"
1⤵
- Checks whether UAC is enabled
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:668

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" -startmediumtab -Embedding
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1256
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1256 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:768

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\tcz8fqz\imagestore.dat

Filesize
5KB

MD5
c564fa569f29bec6e1f999cf4846101f

SHA1
9676ad04503e9ab1c6a6e5204dcb21f1f3688203

SHA256
24698b84694064efbac01129bafdfa310ee48dbd131139f1400c5ca0706cd1f5

SHA512
d273651cf5242651f1ae86e8efd63a0b83d22812083a95d7fa32a6c84e27ef40f841767eb5a9198a000a8aa5bcc61e132708ce8bb35e9e6c4b0bc53671d01b90

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\HYYZEFW2.txt

Filesize
603B

MD5
f81f306723ec12516abd618f43452490

SHA1
fdc2a7af008b61ff3115eb2d3f1229760f132f05

SHA256
7b7d9e93e45e1ef1164643ab60404a34e9744fd1c3e9152774cd87cd302eab8f

SHA512
b985754bfff2b554e8ef2720f770c0b6e5bbae5f4c4b6f18667213e53a6666565bb0458d5559b9928e2ac0d09871047f4d688839f8d8a426ec72042da53f2f45

Download Submit
memory/668-54-0x0000000075981000-0x0000000075983000-memory.dmp

Filesize
8KB

Download