ced082fb707d3d0ae36aeb3427dcc54b7ceb7b921c52774e993f6e525289242e

Analysis

max time kernel
19s
max time network
25s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
15-06-2024 19:19

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General

Target

files.rar
Size

4.5MB
MD5

50800a4d8427d0c6ae6b76f5f9e9b390
SHA1

c808af734d55153125f1eaef8a26d528029cb19f
SHA256

ced082fb707d3d0ae36aeb3427dcc54b7ceb7b921c52774e993f6e525289242e
SHA512

d236c5e0c9d491f57c9d9aa5c59980c6fcd772b00a3d38684617cd72612341021d44b23d01495445a707c1f7e5ca34165e0421e7690b251dac14303117c46144
SSDEEP

98304:LwHun/wFNFTDxnu56DtRPpwvCRthv9rljbW4oz2z+gP78qpMC0Na/Ke:UT75D8yh0Cx9rJtx78qpMP8ye

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 28 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{52B18FE1-2B4C-11EF-AA16-D671A15513D2} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_Classes\Local Settings	rundll32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2044	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2044	iexplore.exe
2044	iexplore.exe
2596	IEXPLORE.EXE
2596	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2576 wrote to memory of 2652	2576	cmd.exe	29
PID 2576 wrote to memory of 2652	2576	cmd.exe	29
PID 2576 wrote to memory of 2652	2576	cmd.exe	29
PID 2044 wrote to memory of 2596	2044	iexplore.exe	35
PID 2044 wrote to memory of 2596	2044	iexplore.exe	35
PID 2044 wrote to memory of 2596	2044	iexplore.exe	35
PID 2044 wrote to memory of 2596	2044	iexplore.exe	35

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\files.rar
1⤵
- Suspicious use of WriteProcessMemory
PID:2576
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\files.rar
  2⤵
  - Modifies registry class
  PID:2652

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:2612

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\Downloads\AssertUse.gif
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2044
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2044 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
1724229506cb7d6bc624e2fc9bd039e1

SHA1
dab3557ae2f1495dd1bcb5638bffb1a80a1f9e64

SHA256
e2aee285fc5252eba0b827d01714492c4c5a9aaff6231f5ac01041e0d7c8f7a3

SHA512
11757ac1456a90956cfcb0be5626f51b8f61b683a1052abf08c9df973e49fb76d0fe47b9007b3ee7d29fd815c15a1b170f1cfa1a88675d28b4b7206cca3ca46d

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

Filesize
342B

MD5
101dcb003230c84d7835683138f5d64f

SHA1
22f055fd4627a37e1db9f48308780e56203ce468

SHA256
2e7b062aca2a5d56e5cfce6ca0e1984874ddd383b6ecc6fccc7b78d1b9c1b3d0

SHA512
65098db5f12194165f1847dfd49e3f4607dafaddff08ada19d87e9cd8ca1a97b6620bdfcd90ff1446562c1d8d1a999043c0cfda05b24717361f185b8047dee67

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

Filesize
342B

MD5
772e19dcfe08ab2f37363dd2046aa916

SHA1
e7a09fed146ec7d58b48333a7d8bc0c89df36e14

SHA256
b7be28f19ab28abdfbfa58e8ca2fd789c2bfa0aec85c0925b626df4919fc2b39

SHA512
d76c278a830cfc333f4ad89654de1fe53bb5fa3ea1df4856feaba6dca0d3188c1b9e3eb80350d13e49e02b3d8625cabdcb7be1eb69139ba8e18f785bfb8320ca

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

Filesize
342B

MD5
570bf4386933838ca4bcfd02f86dfdef

SHA1
caa941527a09b05b4bcffb56cc918c15a8574d1c

SHA256
37b93b7f23139da1515a3b24985b1dcf16d3569a0b60922e3fa6877f9e12c2b0

SHA512
af68b0758a51ff84528297bb37e460ef6dc7f8c1aa0551c15fb76d4edbd58d39f0f2fd614acab5b35c7c73a84dc25adb58e6f3540d146b9044fee00e91bb250e

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C:\Users\Admin\AppData\Local\Temp\CabBBF2.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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C:\Users\Admin\AppData\Local\Temp\TarBC72.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit