78a4a2da7e438d1ba80d924ac5c74bb0923bf8864264caf22c79fbcb97b7919d

Analysis

max time kernel
91s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13/03/2024, 17:56

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General

Target

c68448290762a083b43861326b1de4b0.exe
Size

686KB
MD5

c68448290762a083b43861326b1de4b0
SHA1

668b8120b03f9d3f59f3ef8ca8e1362ea3ca50c3
SHA256

78a4a2da7e438d1ba80d924ac5c74bb0923bf8864264caf22c79fbcb97b7919d
SHA512

5ed9afb7b0d00aafa9023a307370e96ea3c7eae2af04f36ad419898aceb117130ba93186583e25315ebc2a1f90781bb3692f32fad998e0ce00ead5d56f3389fc
SSDEEP

12288:fvQNOZU/ebKdVrSsPqifmUfe1JqUMKiaTrBpsYu/l31Wc5VvQMCXHPS+OJy7d:fvUHmbeVmsP3uCUMKxrnE9v23Psy7d

Score

7^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x00090000000231e9-4.dat	acprotect

Executes dropped EXE 1 IoCs

pid	Process
1492	Wozscvsns.exe

Loads dropped DLL 6 IoCs

pid	Process
2884	c68448290762a083b43861326b1de4b0.exe
1492	Wozscvsns.exe
1492	Wozscvsns.exe
1492	Wozscvsns.exe
2884	c68448290762a083b43861326b1de4b0.exe
2884	c68448290762a083b43861326b1de4b0.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x00090000000231e9-4.dat	upx
behavioral2/memory/2884-5-0x0000000010000000-0x0000000010129000-memory.dmp	upx
behavioral2/memory/1492-20-0x0000000010000000-0x0000000010129000-memory.dmp	upx
behavioral2/memory/2884-36-0x0000000010000000-0x0000000010129000-memory.dmp	upx
behavioral2/memory/1492-47-0x0000000010000000-0x0000000010129000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Wozscvsns.dll	Wozscvsns.exe
File opened for modification	C:\Program Files (x86)\Wozscvsns.dll	Wozscvsns.exe
File created	C:\Program Files (x86)\Wozscvsns.exe	c68448290762a083b43861326b1de4b0.exe
File opened for modification	C:\Program Files (x86)\Wozscvsns.exe	c68448290762a083b43861326b1de4b0.exe

Modifies Internet Explorer Automatic Crash Recovery 1 TTPs 1 IoCs

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AutoRecover = "2"	Wozscvsns.exe

Modifies Internet Explorer settings 1 TTPs 34 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31094127"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3937142755"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31094127"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31094127"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{158AE6E1-E163-11EE-BD28-FAD2FAC7202F} = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AutoRecover = "2"	Wozscvsns.exe
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "417117593"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Check_Associations = "NO"	Wozscvsns.exe
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31094127"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3938705302"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3937142755"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3938705302"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2884	c68448290762a083b43861326b1de4b0.exe
2884	c68448290762a083b43861326b1de4b0.exe
2884	c68448290762a083b43861326b1de4b0.exe
2884	c68448290762a083b43861326b1de4b0.exe
1492	Wozscvsns.exe
1492	Wozscvsns.exe
1492	Wozscvsns.exe
1492	Wozscvsns.exe
1492	Wozscvsns.exe
1492	Wozscvsns.exe
1492	Wozscvsns.exe
1492	Wozscvsns.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4840	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
2884	c68448290762a083b43861326b1de4b0.exe
2884	c68448290762a083b43861326b1de4b0.exe
1492	Wozscvsns.exe
1492	Wozscvsns.exe
4840	IEXPLORE.EXE
4840	IEXPLORE.EXE
2856	IEXPLORE.EXE
2856	IEXPLORE.EXE
2856	IEXPLORE.EXE
2856	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 1492	2884	c68448290762a083b43861326b1de4b0.exe	85
PID 2884 wrote to memory of 1492	2884	c68448290762a083b43861326b1de4b0.exe	85
PID 2884 wrote to memory of 1492	2884	c68448290762a083b43861326b1de4b0.exe	85
PID 1492 wrote to memory of 4840	1492	Wozscvsns.exe	86
PID 1492 wrote to memory of 4840	1492	Wozscvsns.exe	86
PID 4840 wrote to memory of 2856	4840	IEXPLORE.EXE	87
PID 4840 wrote to memory of 2856	4840	IEXPLORE.EXE	87
PID 4840 wrote to memory of 2856	4840	IEXPLORE.EXE	87
PID 2884 wrote to memory of 228	2884	c68448290762a083b43861326b1de4b0.exe	88
PID 2884 wrote to memory of 228	2884	c68448290762a083b43861326b1de4b0.exe	88
PID 2884 wrote to memory of 228	2884	c68448290762a083b43861326b1de4b0.exe	88
PID 1492 wrote to memory of 4840	1492	Wozscvsns.exe	86

C:\Users\Admin\AppData\Local\Temp\c68448290762a083b43861326b1de4b0.exe
"C:\Users\Admin\AppData\Local\Temp\c68448290762a083b43861326b1de4b0.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2884
- C:\Program Files (x86)\Wozscvsns.exe
  "C:\Program Files (x86)\Wozscvsns.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Modifies Internet Explorer Automatic Crash Recovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1492
- - C:\Program Files\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files\Internet Explorer\IEXPLORE.EXE" -nohome
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4840
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4840 CREDAT:17410 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:2856
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""c:\c68448290762a083b43861326b1de4b0.exe_And xMe.bat""
  2⤵
  PID:228

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Wozscvsns.exe

Filesize
29.0MB

MD5
a48127cad17fc20b228e172430e37e25

SHA1
b02a03fc0e3762e4e96af15425b38ce1102b3bdc

SHA256
72992bcb20d743838e9bb343253bb4425f375648fdce717b592c7f2a5b3e13e4

SHA512
a6bcc335a2c5247e46cb8d1af60725b64811ab36c43ee52bb206369fe0d5aac5dcfa9639789a12e782371d5ec6c7ad6a9207d50500f20f8c6793d79a05079f31

Download Submit
C:\Program Files (x86)\Wozscvsns.exe

Filesize
38.4MB

MD5
eca9ad9367939d644886f3e237af50be

SHA1
6a575a59d9c5e0fdaf931c034e3e68d3d28200f4

SHA256
8bce3ae7d25f1b48b0a762cc4a2ac97d35cf12edca092599100ed1986532482d

SHA512
2d1c1b02294f4d7dea2d126f2092c343ad8538088b29e5058003378b8c300534fb67ef11477a6cfd6e1ca155141eaa24eb750d5aba982ad313c199f4cc4dd1c8

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
933b881e04584122e8cd768def29fe6a

SHA1
9877fedd4896d75f3605bf981c9e90d6d5e60a14

SHA256
6c1579aabb1cf90ec423f624a4d858bf2c22387ca34527ebd5be8611d52f50ef

SHA512
0fea464dec8c086b89485eccc240c455ab4b87daee80d9fcff6444338375d11b610bf5f5ea9ea5ab3a6bf1994f7bb3895b709f5135152c0abd62b1c97504f835

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
404B

MD5
2a495c40170988b583f2b0f2715c88f0

SHA1
e2381dda3d8f2abf499a6812e512433a741a9149

SHA256
868c1e40dfa117ac2276d7c0c6c6f3d9a147720325cda5eb1377366dfc343f78

SHA512
b8f58800cf4e2c068a2a012099234604cb9b9e3710ee99e9d79afe369140f26ae242d1b08ed06c495c6117f7fcd5555bc079584c1ec08cec8119c88c9c18a997

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verCD04.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\UG0DPB4T\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\E_4\Exmlrpc.fne

Filesize
72KB

MD5
f79ee77a4f30401507e6f54a61598f58

SHA1
7f3ef4945f621ed2880ff5a10a126957b2011a17

SHA256
cf8e29720823eb114fbc3018569a7296ed3e6fcd6c4897f50c5c6e0e98d0b3f8

SHA512
26ccde784b06c46f60fb5a105c806c4d9dc1497fd79d39728fbcfa869d470ca2ba018b0665f3cbc05019fb0766dac2eb1084a6fdce2f9aaaae881beb09dd3739

Download Submit
C:\Users\Admin\AppData\Local\Temp\E_4\dp1.fne

Filesize
112KB

MD5
6d4b2e73f6f8ecff02f19f7e8ef9a8c7

SHA1
09c32ca167136a17fd69df8c525ea5ffeca6c534

SHA256
fe5783e64aa70fac10c2e42d460732d9770534357329d8bc78576557c165f040

SHA512
2fd7a95cb632e9c4ac6b34e5b6b875aae94e73cd4b1f213e78f46dadab4846227a030776461bca08f9d75a1d61a0d45427f7b0c8b71406b7debc14db04b2ce04

Download Submit
C:\Users\Admin\AppData\Local\Temp\E_4\krnln.fnr

Filesize
409KB

MD5
c3d354bdf277263b13dca264ec2add9d

SHA1
b428dfd7df0f6024e22838823cc702e2293bd314

SHA256
ede1e15bb21655495ea3b3fb6710390d53839abeed944ed7ab1af7403b50aa5f

SHA512
24c8e96b3c07fa4e44fbb31a4e09bea728d90d410352aa9c6b6b6165ff5c038f689b7b58b05abc6513fa4ab953b78edc0f9e8298b2d57fe1c26e80068e7ca68e

Download Submit
\??\c:\c68448290762a083b43861326b1de4b0.exe_And xMe.bat

Filesize
182B

MD5
50ac0b8e5a2800382ec15544bc8bcb02

SHA1
e8dbb7ad79b94e9d1b62893aad361fff62d5fd07

SHA256
21d37d1f53504222c7380e8002cba117b128c2667d0f26d7a2c6d73c2e771fff

SHA512
30e091b04baf4683f1f623db91de77e4928286dac06dd4dac23110b4e3cf877447acc70214a42b067e072c1779fcc6ec9cf67b87b1d4ee09ce7367630bc437f6

Download Submit
memory/1492-47-0x0000000010000000-0x0000000010129000-memory.dmp

Filesize
1.2MB

Download
memory/1492-48-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1492-24-0x00000000031E0000-0x00000000031FE000-memory.dmp

Filesize
120KB

Download
memory/1492-20-0x0000000010000000-0x0000000010129000-memory.dmp

Filesize
1.2MB

Download
memory/2884-36-0x0000000010000000-0x0000000010129000-memory.dmp

Filesize
1.2MB

Download
memory/2884-37-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2884-0-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2884-33-0x0000000002420000-0x000000000243E000-memory.dmp

Filesize
120KB

Download
memory/2884-5-0x0000000010000000-0x0000000010129000-memory.dmp

Filesize
1.2MB

Download