000d997093d78dd0765a5eb64960a3982c61f270ec69c58d1f23a7494d07d665

Analysis

max time kernel
76s
max time network
139s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
30/12/2023, 01:28

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General

Target

0a0c4102438c9912b762376a49c3ea86.exe
Size

125KB
MD5

0a0c4102438c9912b762376a49c3ea86
SHA1

afb5e87c1363d85924c5899786f3225c6a7af434
SHA256

000d997093d78dd0765a5eb64960a3982c61f270ec69c58d1f23a7494d07d665
SHA512

7a96b004e655601b0c52f2c76eb3b7edc0ffb51b7377fa4f51e3cd1be8724b7bb6f2b67719f2118eac0e0731aa5c0e8267445e42cd4b7226ba534f9166639465
SSDEEP

3072:t8P8MXxFyHv4ji4pSCZ3azETEIyh0BW2F:iVXv8vCvgs3aS6hmF

Score

8^/10

persistence upx

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Loads dropped DLL 2 IoCs

pid	Process
2240	0a0c4102438c9912b762376a49c3ea86.exe
2892	IEXPLORE.EXE

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2240-0-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/2240-11-0x0000000000400000-0x0000000000452000-memory.dmp	upx

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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\0a0c4102438c9912b762376a49c3ea86 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0a0c4102438c9912b762376a49c3ea86.exe"	0a0c4102438c9912b762376a49c3ea86.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\wcf.cpl	0a0c4102438c9912b762376a49c3ea86.exe
File created	C:\Windows\SysWOW64\servamz101.dll	0a0c4102438c9912b762376a49c3ea86.exe
File created	C:\Windows\SysWOW64\servamx101.exe	0a0c4102438c9912b762376a49c3ea86.exe
File created	C:\Windows\SysWOW64\servamc101.dll	0a0c4102438c9912b762376a49c3ea86.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\nldcl101	0a0c4102438c9912b762376a49c3ea86.exe

Modifies Control Panel 2 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Control Panel\Desktop\ForegroundLockTimeout = "0"	0a0c4102438c9912b762376a49c3ea86.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Control Panel\Desktop\ForegroundLockTimeout = "200000"	0a0c4102438c9912b762376a49c3ea86.exe

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\SearchScopes	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{D10B9071-A78F-11EE-910D-CE7E212FECBD} = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\International	0a0c4102438c9912b762376a49c3ea86.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Zoom	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\IntelliForms	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\FaviconPath = "C:\\Users\\Admin\\AppData\\LocalLow\\Microsoft\\Internet Explorer\\Services\\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\International\AcceptLanguage = "en-US"	0a0c4102438c9912b762376a49c3ea86.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\LowRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\PageSetup	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\InternetRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Toolbar	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2388	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2240	0a0c4102438c9912b762376a49c3ea86.exe
2388	IEXPLORE.EXE
2388	IEXPLORE.EXE
2892	IEXPLORE.EXE
2892	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 2252	2240	0a0c4102438c9912b762376a49c3ea86.exe	29
PID 2240 wrote to memory of 2252	2240	0a0c4102438c9912b762376a49c3ea86.exe	29
PID 2240 wrote to memory of 2252	2240	0a0c4102438c9912b762376a49c3ea86.exe	29
PID 2240 wrote to memory of 2252	2240	0a0c4102438c9912b762376a49c3ea86.exe	29
PID 2252 wrote to memory of 2388	2252	IEXPLORE.EXE	28
PID 2252 wrote to memory of 2388	2252	IEXPLORE.EXE	28
PID 2252 wrote to memory of 2388	2252	IEXPLORE.EXE	28
PID 2252 wrote to memory of 2388	2252	IEXPLORE.EXE	28
PID 2388 wrote to memory of 2892	2388	IEXPLORE.EXE	31
PID 2388 wrote to memory of 2892	2388	IEXPLORE.EXE	31
PID 2388 wrote to memory of 2892	2388	IEXPLORE.EXE	31
PID 2388 wrote to memory of 2892	2388	IEXPLORE.EXE	31

C:\Users\Admin\AppData\Local\Temp\0a0c4102438c9912b762376a49c3ea86.exe
"C:\Users\Admin\AppData\Local\Temp\0a0c4102438c9912b762376a49c3ea86.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies Control Panel
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2252

C:\Program Files\Internet Explorer\IEXPLORE.EXE
"C:\Program Files\Internet Explorer\IEXPLORE.EXE"
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2388
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2388 CREDAT:275457 /prefetch:2
  2⤵
  - Loads dropped DLL
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2892

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

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3C428B1A3E5F57D887EC4B864FAC5DCC

Filesize
914B

MD5
e4a68ac854ac5242460afd72481b2a44

SHA1
df3c24f9bfd666761b268073fe06d1cc8d4f82a4

SHA256
cb3ccbb76031e5e0138f8dd39a23f9de47ffc35e43c1144cea27d46a5ab1cb5f

SHA512
5622207e1ba285f172756f6019af92ac808ed63286e24dfecc1e79873fb5d140f1ceb7133f2476e89a5f75f711f9813a9fbb8fd5287f64adfdcc53b864f9bdc5

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

Filesize
1KB

MD5
a266bb7dcc38a562631361bbf61dd11b

SHA1
3b1efd3a66ea28b16697394703a72ca340a05bd5

SHA256
df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

SHA512
0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3C428B1A3E5F57D887EC4B864FAC5DCC

Filesize
252B

MD5
66a2d7b429e78da446e0967257a71d4e

SHA1
55a1ca1a086e77e5d2240412d2f670e5695a603e

SHA256
a4deec740e61b6108c2cec6af5f8b288f09f3c586a49f902abc74ab62463c1c4

SHA512
89e69601f2f6937e6b2a4cc4579b74ea614486c69d365240e8a92955541d9efb39e82aa76e7e6086739e3f971b4941ed6cc892c2833d05245ee12132e560e7d7

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

Filesize
344B

MD5
7f885aec3f69adb2e60a58f7806697c4

SHA1
9daaa329cbf5c78cd350e43b5aa7b7204064fde7

SHA256
521c18da170b045cd39686fc5e20a23c40d5ff3af745882ea635fecf05c97c5d

SHA512
51703d8fe5647c988c97e62bdbc4a6982bc53fcc349034a98ddd4aa824e18dbebb9e7350ec61bbf7dee80f484300b2c60252fb40756359d6e22f87da9910f5a2

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

Filesize
344B

MD5
d3598ea477965f89269f6fca1a714787

SHA1
0ed64c7113499481f6e50edc00d33698d9498dd0

SHA256
2d66251e019c596be8ab7cdfefbeab74afec2241b70136c4afe5ee37bec468a4

SHA512
17d4c5e500bad8a0091b43252f067c34269aec149452f519d0326c1f639c60231972e1bfc47c049e40c32bdc13811e065244f32f106884bfe4772171f15617fe

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

Filesize
242B

MD5
b583bc8bfa8f72e0cab3bf52d24fb90c

SHA1
d9c348ccc983492e79df495d6dcaee09667f9432

SHA256
bef118339c40c6e8da3890e848fa707ac4a1411a8c5d1855483283e4e1d77d1b

SHA512
129ace1c73d2d927179d532a68a2b38f2299987ee98d2e7a16d38d06cfe820745c44a167f5d2fd5123dacbc9687f205cda7921f04097f2f4a3b8483ee50575be

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.ico

Filesize
4KB

MD5
da597791be3b6e732f0bc8b20e38ee62

SHA1
1125c45d285c360542027d7554a5c442288974de

SHA256
5b2c34b3c4e8dd898b664dba6c3786e2ff9869eff55d673aa48361f11325ed07

SHA512
d8dc8358727590a1ed74dc70356aedc0499552c2dc0cd4f7a01853dd85ceb3aead5fbdc7c75d7da36db6af2448ce5abdff64cebdca3533ecad953c061a9b338e

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar41D7.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
\Windows\SysWOW64\servamc101.dll

Filesize
9KB

MD5
afdc31f71750e1fb2837a66c7b875fd1

SHA1
93398324f6c13829eee5d73c00e0e340947ffaeb

SHA256
91ccf36791d05b8abfdf8d5f9fc1f4a9e499ae747f8f88d56145479d6a8c5d50

SHA512
daa24da31bf46be06c0e132b719a639b24dd2cd0a104ccc64798287c12db7ff7e928a5845e17a44dc81d2dc27494757b44bd01495aadd8f5c96ee9798d3d2d74

Download Submit
memory/2240-0-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2240-11-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads