cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337

Analysis

max time kernel
141s
max time network
168s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
02/12/2022, 17:17

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General

Target

cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe
Size

955KB
MD5

c911064db70166b4432aa7f284d9cdff
SHA1

665d53d2edd82123952672048c13fb1340fa1250
SHA256

cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337
SHA512

bfd4c431a2374e4d77ddd7553988d66dc864721275c9e011dc0dacb0cf4ea72a50e5136264adc9b6a8087808584a28c3a99b5cecf2175aa29cbf227a06566a4e
SSDEEP

24576:uVaOnzQC3nwQmN2K3yWds0JkKyVagMPHPUrEHWZN5Kw:uVaOznlDadsLQ/HWH

Score

6^/10

Malware Config

Signatures

Enumerates connected drives 3 TTPs 24 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)	\??\K:	cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe
File opened (read-only)	\??\M:	cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe
File opened (read-only)	\??\N:	cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe
File opened (read-only)	\??\T:	cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe
File opened (read-only)	\??\Z:	cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe
File opened (read-only)	\??\I:	cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe
File opened (read-only)	\??\J:	cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe
File opened (read-only)	\??\W:	cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe
File opened (read-only)	\??\G:	cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe
File opened (read-only)	\??\E:	cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe
File opened (read-only)	\??\L:	cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe
File opened (read-only)	\??\V:	cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe
File opened (read-only)	\??\A:	cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe
File opened (read-only)	\??\F:	cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe
File opened (read-only)	\??\H:	cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe
File opened (read-only)	\??\O:	cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe
File opened (read-only)	\??\P:	cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe
File opened (read-only)	\??\Q:	cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe
File opened (read-only)	\??\R:	cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe
File opened (read-only)	\??\S:	cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe
File opened (read-only)	\??\B:	cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe
File opened (read-only)	\??\X:	cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe
File opened (read-only)	\??\Y:	cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe
File opened (read-only)	\??\U:	cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\WINDOWS\Help\msmrsop.hlp	cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe
File opened for modification	C:\WINDOWS\Help\wetn_l21.CHM	cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.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 37 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\Toolbar\WebBrowser	iexplore.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	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{28A0A681-7489-11ED-AFC0-6662AD81E03A} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	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\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	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\LowRegistry	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 (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
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
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\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3d0000003d000000c3040000a2020000	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\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000fbec07815684004d899a318f710de6af000000000200000000001066000000010000200000008b337ddde4510d62dc61d9ad2215e2042d45a53de4445e65584b8505eddc02b9000000000e8000000002000020000000017ec3de36f5f59b61949e95e9237662a26346bea853ad90223bf74544647ab7200000000e66e1cda7ce006fae67aded18f153056a296a4e2a3a57fcbaf3f1ceb066c65040000000a936d4cd83fb118d54a9d95cd30493057b99116982715eff1ff859b8876b812b40828f81aceb33a4c056f6bd79a93275fb7bafa0613de9c630fc4948ceebd594	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 006d800c9608d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "377001779"	iexplore.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1176	iexplore.exe
1176	iexplore.exe

Suspicious use of SetWindowsHookEx 11 IoCs

pid	Process
1376	cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe
1176	iexplore.exe
1176	iexplore.exe
832	IEXPLORE.EXE
832	IEXPLORE.EXE
1176	iexplore.exe
1176	iexplore.exe
592	IEXPLORE.EXE
592	IEXPLORE.EXE
988	IEXPLORE.EXE
988	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1376 wrote to memory of 1176	1376	cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe	28
PID 1376 wrote to memory of 1176	1376	cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe	28
PID 1376 wrote to memory of 1176	1376	cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe	28
PID 1376 wrote to memory of 1176	1376	cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe	28
PID 1176 wrote to memory of 832	1176	iexplore.exe	30
PID 1176 wrote to memory of 832	1176	iexplore.exe	30
PID 1176 wrote to memory of 832	1176	iexplore.exe	30
PID 1176 wrote to memory of 832	1176	iexplore.exe	30
PID 1376 wrote to memory of 668	1376	cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe	31
PID 1376 wrote to memory of 668	1376	cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe	31
PID 1376 wrote to memory of 668	1376	cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe	31
PID 1376 wrote to memory of 668	1376	cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe	31
PID 1176 wrote to memory of 592	1176	iexplore.exe	33
PID 1176 wrote to memory of 592	1176	iexplore.exe	33
PID 1176 wrote to memory of 592	1176	iexplore.exe	33
PID 1176 wrote to memory of 592	1176	iexplore.exe	33
PID 1176 wrote to memory of 988	1176	iexplore.exe	34
PID 1176 wrote to memory of 988	1176	iexplore.exe	34
PID 1176 wrote to memory of 988	1176	iexplore.exe	34
PID 1176 wrote to memory of 988	1176	iexplore.exe	34

C:\Users\Admin\AppData\Local\Temp\cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe
"C:\Users\Admin\AppData\Local\Temp\cacd2740d474411f34c5deb162d5fdf3b0a9b1129d4968004275959f5781c337.exe"
1⤵
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1376
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" http://www.pekalongan-community.com/
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1176
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1176 CREDAT:275457 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:832
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1176 CREDAT:406531 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:592
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1176 CREDAT:10564610 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:988
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" http://www.pekalongan-community.com/
  2⤵
  PID:668

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\Roaming\Microsoft\Windows\Cookies\G2V9Z7B9.txt

Filesize
601B

MD5
a2b12a3fae2881ea35445145482801dd

SHA1
f99b9bdcb6b8aff7988cd2426ee2605239a85f82

SHA256
a51135ec0eb388d0bdaadf134baebcf14c883afba59b21addd8e7960faf7d6fc

SHA512
59f6ffa76333d90dce2731984fc404c332fb2797040bd9ecbbdcfaa84ffbe59836c3afc4dca5e268f1e1aae3037d72f50a5e948dcdb7efc0a39162148097cfe0

Download Submit
memory/1376-54-0x0000000000400000-0x00000000004F3E04-memory.dmp

Filesize
975KB

Download
memory/1376-57-0x0000000075B61000-0x0000000075B63000-memory.dmp

Filesize
8KB

Download
memory/1376-58-0x0000000004530000-0x00000000046CE000-memory.dmp

Filesize
1.6MB

Download
memory/1376-60-0x00000000049D0000-0x00000000049E0000-memory.dmp

Filesize
64KB

Download
memory/1376-59-0x0000000004970000-0x000000000542A000-memory.dmp

Filesize
10.7MB

Download
memory/1376-63-0x0000000000400000-0x00000000004F3E04-memory.dmp

Filesize
975KB

Download