2699c2f79da94ce9238b513a2286a3c990dae7f4dd4a41f66dc4853891f59df8

Analysis

max time kernel
152s
max time network
195s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
25-11-2022 11:54

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General

Target

2699c2f79da94ce9238b513a2286a3c990dae7f4dd4a41f66dc4853891f59df8.exe
Size

1.9MB
MD5

a321021b6ce5b4d21e091f7e2987a789
SHA1

b84097a32f6d91293673f1378ced247e7235ce5c
SHA256

2699c2f79da94ce9238b513a2286a3c990dae7f4dd4a41f66dc4853891f59df8
SHA512

f25774fe69c9717d3a1a0d9e0f8f9fc4f761e1abc1670aafcbd3899c37d4710000128c2dbe1ce4fd2783c4a4996dfe982ae6f0270ba7218a6775d6c2f57806fb
SSDEEP

49152:zFPtJoxE+gzbh/61PMDOt1881FJAj7aP0MggW/ceS8FCwtfdUCf0YFb:z32gzbB61PMqt281FJAj7aP0Mg7/ceSI

Score

9^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x00070000000133ea-57.dat	acprotect

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1668-55-0x0000000000400000-0x000000000076F000-memory.dmp	upx
behavioral1/memory/1668-56-0x0000000000400000-0x000000000076F000-memory.dmp	upx
behavioral1/files/0x00070000000133ea-57.dat	upx
behavioral1/memory/1668-58-0x0000000010000000-0x000000001003D000-memory.dmp	upx
behavioral1/memory/1668-59-0x0000000000400000-0x000000000076F000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
1668	2699c2f79da94ce9238b513a2286a3c990dae7f4dd4a41f66dc4853891f59df8.exe

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\D:	2699c2f79da94ce9238b513a2286a3c990dae7f4dd4a41f66dc4853891f59df8.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 34 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DOMStorage\mumu168.com	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DOMStorage\mumu168.com\NumberOfSubdomains = "1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DOMStorage\www.mumu168.com\ = "63"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DOMStorage\mumu168.com\Total = "63"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DOMStorage	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DOMStorage\Total\ = "63"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{5075DC41-6CF8-11ED-A4E1-5E5304B417C2} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	2699c2f79da94ce9238b513a2286a3c990dae7f4dd4a41f66dc4853891f59df8.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DOMStorage\www.mumu168.com	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1668	2699c2f79da94ce9238b513a2286a3c990dae7f4dd4a41f66dc4853891f59df8.exe
1668	2699c2f79da94ce9238b513a2286a3c990dae7f4dd4a41f66dc4853891f59df8.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	528	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	528	AUDIODG.EXE
Token: 33	528	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	528	AUDIODG.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1640	iexplore.exe

Suspicious use of SetWindowsHookEx 11 IoCs

pid	Process
1668	2699c2f79da94ce9238b513a2286a3c990dae7f4dd4a41f66dc4853891f59df8.exe
1668	2699c2f79da94ce9238b513a2286a3c990dae7f4dd4a41f66dc4853891f59df8.exe
1668	2699c2f79da94ce9238b513a2286a3c990dae7f4dd4a41f66dc4853891f59df8.exe
1668	2699c2f79da94ce9238b513a2286a3c990dae7f4dd4a41f66dc4853891f59df8.exe
1668	2699c2f79da94ce9238b513a2286a3c990dae7f4dd4a41f66dc4853891f59df8.exe
1640	iexplore.exe
1640	iexplore.exe
908	IEXPLORE.EXE
908	IEXPLORE.EXE
908	IEXPLORE.EXE
908	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1668 wrote to memory of 1640	1668	2699c2f79da94ce9238b513a2286a3c990dae7f4dd4a41f66dc4853891f59df8.exe	32
PID 1668 wrote to memory of 1640	1668	2699c2f79da94ce9238b513a2286a3c990dae7f4dd4a41f66dc4853891f59df8.exe	32
PID 1668 wrote to memory of 1640	1668	2699c2f79da94ce9238b513a2286a3c990dae7f4dd4a41f66dc4853891f59df8.exe	32
PID 1668 wrote to memory of 1640	1668	2699c2f79da94ce9238b513a2286a3c990dae7f4dd4a41f66dc4853891f59df8.exe	32
PID 1640 wrote to memory of 908	1640	iexplore.exe	33
PID 1640 wrote to memory of 908	1640	iexplore.exe	33
PID 1640 wrote to memory of 908	1640	iexplore.exe	33
PID 1640 wrote to memory of 908	1640	iexplore.exe	33

C:\Users\Admin\AppData\Local\Temp\2699c2f79da94ce9238b513a2286a3c990dae7f4dd4a41f66dc4853891f59df8.exe
"C:\Users\Admin\AppData\Local\Temp\2699c2f79da94ce9238b513a2286a3c990dae7f4dd4a41f66dc4853891f59df8.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1668
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" http://www.mumu168.com/kuangfeng
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1640
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1640 CREDAT:275457 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:908

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x440
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:528

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
8ba6f2c9e4bdddbad06707fc91466199

SHA1
dfa8fafd831db197657dc78a43e24788097ab68b

SHA256
6521ab9c88559f76db701033b0c2626a28ed765bb1d990714cbb77f5dc128834

SHA512
e2e2a7c1ed96e6b5c84ac4866b788d0285d1432d79ecc6d20f31c9b233714484520de827569fff6426acece289b491f0840df05f5d86a42e49678b236420f888

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\imagestore\try74lz\imagestore.dat

Filesize
4KB

MD5
91d1a62b8a8a792231bd7dd81ebf65f7

SHA1
eeb953fd12835813f62d3a7c6665feba888f2b77

SHA256
b847333b1154530f750fe0bc80a62520a6daa826f35085a232e9267a85b25109

SHA512
c365a1a458e622505d432bff77ca2a1e9a0a154c96ddebae9e75b40d04aa86114daecfef1e4cae69c0f9117c7f91c0017cc14038d8043e7d9f00a506b7fc434b

Download Submit
\Users\Admin\AppData\Local\Temp\SkinH_EL.dll

Filesize
86KB

MD5
147127382e001f495d1842ee7a9e7912

SHA1
92d1ed56032183c75d4b57d7ce30b1c4ae11dc9b

SHA256
edf679c02ea2e170e67ab20dfc18558e2bfb4ee5d59eceeaea4b1ad1a626c3cc

SHA512
97f5ae90a1bbacfe39b9e0f2954c24f9896cc9dca9d14364c438862996f3bbc04a4aa515742fccb3679d222c1302f5bb40c7eaddd6b5859d2d6ef79490243a4d

Download Submit
memory/1668-54-0x0000000076AE1000-0x0000000076AE3000-memory.dmp

Filesize
8KB

Download
memory/1668-55-0x0000000000400000-0x000000000076F000-memory.dmp

Filesize
3.4MB

Download
memory/1668-56-0x0000000000400000-0x000000000076F000-memory.dmp

Filesize
3.4MB

Download
memory/1668-58-0x0000000010000000-0x000000001003D000-memory.dmp

Filesize
244KB

Download
memory/1668-59-0x0000000000400000-0x000000000076F000-memory.dmp

Filesize
3.4MB

Download