9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf

Analysis

max time kernel
151s
max time network
156s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 11:02

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General

Target

9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf.exe
Size

1.4MB
MD5

afc697ae4725270873c95fdb1f2d2e0d
SHA1

c34c5fd1fc1fd11716b379c25557c2b9e77d2f38
SHA256

9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf
SHA512

57c7c92ce551edf75fc86cb3e51441c18c83546106bacda93a860cf8d28d87792e8f591590e659eef02660ceb72561855448cc99a8af5b54ff7de2fe6530cabe
SSDEEP

24576:ndgElkKvDyhxmpitSyIN4Vdgu97U17HJICLHmlU3A9MHgDa/:ndDlkK4xXwSbT9M349t2/

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 11 IoCs

Processes:

9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf.exe

pid	process
1644	9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf.exe
1644	9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf.exe
1644	9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf.exe
1644	9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf.exe
1644	9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf.exe
1644	9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf.exe
1644	9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf.exe
1644	9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf.exe
1644	9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf.exe
1644	9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf.exe
1644	9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf.exe

Drops file in Program Files directory 1 IoCs

Processes:

9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf.exe

description ioc process

File created C:\Program Files (x86)\BrowserSetup\uninst.exe 9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File created	C:\Program Files (x86)\BrowserSetup\uninst.exe	9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf.exe

Modifies Internet Explorer settings 1 TTPs 29 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000328a54e98b516248b730a45b8f6f260b000000000200000000001066000000010000200000001977d4712b09981d7d710d2af80191f4b16dbd0f97428c7348ba63eef680ee3c000000000e80000000020000200000003d7ee5bede38dadbb1a5754c153b19f6d10cea14f85f3e49ba7c0695e3df50c620000000a65b37d675db044747a45244b308ae80346c11f6a0b69d9771520193646892044000000001562efae6906b446a582162b35cedfb1650e9b6fbe14284204d3080e6a38dd3feb042b7219b4ca7dbcf399e89886c8803fd2070c66e6509cc2e9fa8df2df09c	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{8D119961-6B2B-11ED-A674-466E2F293893} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 205c956838ffd801	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf.exe

pid	process
1644	9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf.exe
1644	9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf.exe
1644	9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf.exe
1644	9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf.exe
1644	9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf.exe
1644	9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf.exe
1644	9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf.exe
1644	9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf.exe
1644	9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1268 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

1268 iexplore.exe
1268 iexplore.exe
924 IEXPLORE.EXE
924 IEXPLORE.EXE
924 IEXPLORE.EXE
924 IEXPLORE.EXE

pid	process
1268	iexplore.exe

pid	process
1268	iexplore.exe
1268	iexplore.exe
924	IEXPLORE.EXE
924	IEXPLORE.EXE
924	IEXPLORE.EXE
924	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf.exeiexplore.exe

description	pid	process	target process
PID 1644 wrote to memory of 1268	1644	9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf.exe	iexplore.exe
PID 1644 wrote to memory of 1268	1644	9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf.exe	iexplore.exe
PID 1644 wrote to memory of 1268	1644	9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf.exe	iexplore.exe
PID 1644 wrote to memory of 1268	1644	9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf.exe	iexplore.exe
PID 1268 wrote to memory of 924	1268	iexplore.exe	IEXPLORE.EXE
PID 1268 wrote to memory of 924	1268	iexplore.exe	IEXPLORE.EXE
PID 1268 wrote to memory of 924	1268	iexplore.exe	IEXPLORE.EXE
PID 1268 wrote to memory of 924	1268	iexplore.exe	IEXPLORE.EXE
PID 1268 wrote to memory of 924	1268	iexplore.exe	IEXPLORE.EXE
PID 1268 wrote to memory of 924	1268	iexplore.exe	IEXPLORE.EXE
PID 1268 wrote to memory of 924	1268	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf.exe
"C:\Users\Admin\AppData\Local\Temp\9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1644

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://k.deyiweixiu.cn/9afbc540aa70a956bca26428a1c059c75d1c84d1a2c6c1a865b103575fa679cf.exe/40.jpg
2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1268

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1268 CREDAT:275457 /prefetch:2
3⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:924

Network

MITRE ATT&CK Enterprise v6

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

\Users\Admin\AppData\Local\Temp\nstFC2D.tmp\Inetc.dll

Filesize
20KB

MD5
50fdadda3e993688401f6f1108fabdb4

SHA1
04a9ae55d0fb726be49809582cea41d75bf22a9a

SHA256
6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

SHA512
e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

Download Submit
\Users\Admin\AppData\Local\Temp\nstFC2D.tmp\Inetc.dll

Filesize
20KB

MD5
50fdadda3e993688401f6f1108fabdb4

SHA1
04a9ae55d0fb726be49809582cea41d75bf22a9a

SHA256
6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

SHA512
e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

Download Submit
\Users\Admin\AppData\Local\Temp\nstFC2D.tmp\Inetc.dll

Filesize
20KB

MD5
50fdadda3e993688401f6f1108fabdb4

SHA1
04a9ae55d0fb726be49809582cea41d75bf22a9a

SHA256
6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

SHA512
e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

Download Submit
\Users\Admin\AppData\Local\Temp\nstFC2D.tmp\Inetc.dll

Filesize
20KB

MD5
50fdadda3e993688401f6f1108fabdb4

SHA1
04a9ae55d0fb726be49809582cea41d75bf22a9a

SHA256
6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

SHA512
e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

Download Submit
\Users\Admin\AppData\Local\Temp\nstFC2D.tmp\Inetc.dll

Filesize
20KB

MD5
50fdadda3e993688401f6f1108fabdb4

SHA1
04a9ae55d0fb726be49809582cea41d75bf22a9a

SHA256
6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

SHA512
e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

Download Submit
\Users\Admin\AppData\Local\Temp\nstFC2D.tmp\Inetc.dll

Filesize
20KB

MD5
50fdadda3e993688401f6f1108fabdb4

SHA1
04a9ae55d0fb726be49809582cea41d75bf22a9a

SHA256
6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

SHA512
e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

Download Submit
\Users\Admin\AppData\Local\Temp\nstFC2D.tmp\Inetc.dll

Filesize
20KB

MD5
50fdadda3e993688401f6f1108fabdb4

SHA1
04a9ae55d0fb726be49809582cea41d75bf22a9a

SHA256
6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

SHA512
e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

Download Submit
\Users\Admin\AppData\Local\Temp\nstFC2D.tmp\Inetc.dll

Filesize
20KB

MD5
50fdadda3e993688401f6f1108fabdb4

SHA1
04a9ae55d0fb726be49809582cea41d75bf22a9a

SHA256
6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

SHA512
e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

Download Submit
\Users\Admin\AppData\Local\Temp\nstFC2D.tmp\Inetc.dll

Filesize
20KB

MD5
50fdadda3e993688401f6f1108fabdb4

SHA1
04a9ae55d0fb726be49809582cea41d75bf22a9a

SHA256
6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

SHA512
e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

Download Submit
\Users\Admin\AppData\Local\Temp\nstFC2D.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
\Users\Admin\AppData\Local\Temp\nstFC2D.tmp\nsProcess.dll

Filesize
4KB

MD5
05450face243b3a7472407b999b03a72

SHA1
ffd88af2e338ae606c444390f7eaaf5f4aef2cd9

SHA256
95fe9d92512ff2318cc2520311ef9145b2cee01209ab0e1b6e45c7ce1d4d0e89

SHA512
f4cbe30166aff20a226a7150d93a876873ba699d80d7e9f46f32a9b4753fa7966c3113a3124340b39ca67a13205463a413e740e541e742903e3f89af5a53ad3b

Download Submit
memory/1644-54-0x0000000075A11000-0x0000000075A13000-memory.dmp

Filesize
8KB

Download