840b34f6327ef8bc60ae957643a280a2ff72264fbbb07d5e0745ff66f4b3c3e0

General

Target

840b34f6327ef8bc60ae957643a280a2ff72264fbbb07d5e0745ff66f4b3c3e0.exe
Size

181KB
MD5

d440a1deb4935169c4949b713c59c59f
SHA1

769c3ba050e501967c8c30a7e3783a72bde6dc09
SHA256

840b34f6327ef8bc60ae957643a280a2ff72264fbbb07d5e0745ff66f4b3c3e0
SHA512

0f32213084c3ecae8af1a23f66d480d992eba1f964ed0d7c25b138a153a6856dba798b145e55679f956cf83b4130efb81bb819a3a60a098e59820342c3d25901
SSDEEP

3072:qgXdZt9P6D3XJVJcOPOZF5GP1rSwe4Pqwwrm/V1EbY9cHdinme/7nHkjoOLYZ01:qe349cWkF5S+w4wdDE8xnme/zXOLYZ01

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 8 IoCs

Processes:

840b34f6327ef8bc60ae957643a280a2ff72264fbbb07d5e0745ff66f4b3c3e0.exe

pid	process
972	840b34f6327ef8bc60ae957643a280a2ff72264fbbb07d5e0745ff66f4b3c3e0.exe
972	840b34f6327ef8bc60ae957643a280a2ff72264fbbb07d5e0745ff66f4b3c3e0.exe
972	840b34f6327ef8bc60ae957643a280a2ff72264fbbb07d5e0745ff66f4b3c3e0.exe
972	840b34f6327ef8bc60ae957643a280a2ff72264fbbb07d5e0745ff66f4b3c3e0.exe
972	840b34f6327ef8bc60ae957643a280a2ff72264fbbb07d5e0745ff66f4b3c3e0.exe
972	840b34f6327ef8bc60ae957643a280a2ff72264fbbb07d5e0745ff66f4b3c3e0.exe
972	840b34f6327ef8bc60ae957643a280a2ff72264fbbb07d5e0745ff66f4b3c3e0.exe
972	840b34f6327ef8bc60ae957643a280a2ff72264fbbb07d5e0745ff66f4b3c3e0.exe

Drops file in Program Files directory 1 IoCs

Processes:

840b34f6327ef8bc60ae957643a280a2ff72264fbbb07d5e0745ff66f4b3c3e0.exe

description ioc process

File created C:\Program Files (x86)\Download\uninst.exe 840b34f6327ef8bc60ae957643a280a2ff72264fbbb07d5e0745ff66f4b3c3e0.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)\Download\uninst.exe	840b34f6327ef8bc60ae957643a280a2ff72264fbbb07d5e0745ff66f4b3c3e0.exe

NSIS installer 2 IoCs

installer

Processes:

resource	yara_rule
\Program Files (x86)\Download\uninst.exe	nsis_installer_1
\Program Files (x86)\Download\uninst.exe	nsis_installer_2

Modifies Internet Explorer settings 1 TTPs 23 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{B7A9B451-6B1C-11ED-A955-CA7A4AEEC1E8} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

840b34f6327ef8bc60ae957643a280a2ff72264fbbb07d5e0745ff66f4b3c3e0.exe

pid	process
972	840b34f6327ef8bc60ae957643a280a2ff72264fbbb07d5e0745ff66f4b3c3e0.exe
972	840b34f6327ef8bc60ae957643a280a2ff72264fbbb07d5e0745ff66f4b3c3e0.exe
972	840b34f6327ef8bc60ae957643a280a2ff72264fbbb07d5e0745ff66f4b3c3e0.exe
972	840b34f6327ef8bc60ae957643a280a2ff72264fbbb07d5e0745ff66f4b3c3e0.exe
972	840b34f6327ef8bc60ae957643a280a2ff72264fbbb07d5e0745ff66f4b3c3e0.exe
972	840b34f6327ef8bc60ae957643a280a2ff72264fbbb07d5e0745ff66f4b3c3e0.exe
972	840b34f6327ef8bc60ae957643a280a2ff72264fbbb07d5e0745ff66f4b3c3e0.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1864 iexplore.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

1864 iexplore.exe
1864 iexplore.exe
1428 IEXPLORE.EXE
1428 IEXPLORE.EXE

pid	process
1864	iexplore.exe

pid	process
1864	iexplore.exe
1864	iexplore.exe
1428	IEXPLORE.EXE
1428	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

840b34f6327ef8bc60ae957643a280a2ff72264fbbb07d5e0745ff66f4b3c3e0.exeiexplore.exe

description	pid	process	target process
PID 972 wrote to memory of 1864	972	840b34f6327ef8bc60ae957643a280a2ff72264fbbb07d5e0745ff66f4b3c3e0.exe	iexplore.exe
PID 972 wrote to memory of 1864	972	840b34f6327ef8bc60ae957643a280a2ff72264fbbb07d5e0745ff66f4b3c3e0.exe	iexplore.exe
PID 972 wrote to memory of 1864	972	840b34f6327ef8bc60ae957643a280a2ff72264fbbb07d5e0745ff66f4b3c3e0.exe	iexplore.exe
PID 972 wrote to memory of 1864	972	840b34f6327ef8bc60ae957643a280a2ff72264fbbb07d5e0745ff66f4b3c3e0.exe	iexplore.exe
PID 1864 wrote to memory of 1428	1864	iexplore.exe	IEXPLORE.EXE
PID 1864 wrote to memory of 1428	1864	iexplore.exe	IEXPLORE.EXE
PID 1864 wrote to memory of 1428	1864	iexplore.exe	IEXPLORE.EXE
PID 1864 wrote to memory of 1428	1864	iexplore.exe	IEXPLORE.EXE
PID 1864 wrote to memory of 1428	1864	iexplore.exe	IEXPLORE.EXE
PID 1864 wrote to memory of 1428	1864	iexplore.exe	IEXPLORE.EXE
PID 1864 wrote to memory of 1428	1864	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\840b34f6327ef8bc60ae957643a280a2ff72264fbbb07d5e0745ff66f4b3c3e0.exe
"C:\Users\Admin\AppData\Local\Temp\840b34f6327ef8bc60ae957643a280a2ff72264fbbb07d5e0745ff66f4b3c3e0.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:972

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://f.shuianshanba.com/840b34f6327ef8bc60ae957643a280a2ff72264fbbb07d5e0745ff66f4b3c3e0.exe/40.jpg
2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1864

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1864 CREDAT:275457 /prefetch:2
3⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1428

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Program Files (x86)\Download\uninst.exe

Filesize
181KB

MD5
d440a1deb4935169c4949b713c59c59f

SHA1
769c3ba050e501967c8c30a7e3783a72bde6dc09

SHA256
840b34f6327ef8bc60ae957643a280a2ff72264fbbb07d5e0745ff66f4b3c3e0

SHA512
0f32213084c3ecae8af1a23f66d480d992eba1f964ed0d7c25b138a153a6856dba798b145e55679f956cf83b4130efb81bb819a3a60a098e59820342c3d25901

Download Submit
\Users\Admin\AppData\Local\Temp\nsoA6FB.tmp\Inetc.dll

Filesize
20KB

MD5
50fdadda3e993688401f6f1108fabdb4

SHA1
04a9ae55d0fb726be49809582cea41d75bf22a9a

SHA256
6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

SHA512
e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

Download Submit
\Users\Admin\AppData\Local\Temp\nsoA6FB.tmp\Inetc.dll

Filesize
20KB

MD5
50fdadda3e993688401f6f1108fabdb4

SHA1
04a9ae55d0fb726be49809582cea41d75bf22a9a

SHA256
6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

SHA512
e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

Download Submit
\Users\Admin\AppData\Local\Temp\nsoA6FB.tmp\Inetc.dll

Filesize
20KB

MD5
50fdadda3e993688401f6f1108fabdb4

SHA1
04a9ae55d0fb726be49809582cea41d75bf22a9a

SHA256
6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

SHA512
e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

Download Submit
\Users\Admin\AppData\Local\Temp\nsoA6FB.tmp\Inetc.dll

Filesize
20KB

MD5
50fdadda3e993688401f6f1108fabdb4

SHA1
04a9ae55d0fb726be49809582cea41d75bf22a9a

SHA256
6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

SHA512
e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

Download Submit
\Users\Admin\AppData\Local\Temp\nsoA6FB.tmp\Inetc.dll

Filesize
20KB

MD5
50fdadda3e993688401f6f1108fabdb4

SHA1
04a9ae55d0fb726be49809582cea41d75bf22a9a

SHA256
6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

SHA512
e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

Download Submit
\Users\Admin\AppData\Local\Temp\nsoA6FB.tmp\System.dll

Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

Download Submit
\Users\Admin\AppData\Local\Temp\nsoA6FB.tmp\nsProcess.dll

Filesize
4KB

MD5
05450face243b3a7472407b999b03a72

SHA1
ffd88af2e338ae606c444390f7eaaf5f4aef2cd9

SHA256
95fe9d92512ff2318cc2520311ef9145b2cee01209ab0e1b6e45c7ce1d4d0e89

SHA512
f4cbe30166aff20a226a7150d93a876873ba699d80d7e9f46f32a9b4753fa7966c3113a3124340b39ca67a13205463a413e740e541e742903e3f89af5a53ad3b

Download Submit
memory/972-54-0x0000000075D01000-0x0000000075D03000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads