db48c68674dec6499fe73b17f662a3c0acf05ffbb81cf67a42635bad46d6c3d8

General

Target

db48c68674dec6499fe73b17f662a3c0acf05ffbb81cf67a42635bad46d6c3d8.exe
Size

933KB
MD5

12ed935858421fff7a1f90aa14eedf27
SHA1

639798c8135091898416d75ff2d47a75ccfe4567
SHA256

db48c68674dec6499fe73b17f662a3c0acf05ffbb81cf67a42635bad46d6c3d8
SHA512

10a2f33467327c4d79091ffbb9e20c815873f8f2f563e86d4954b386a072035cc06cbde27f9d32b79701079f66a33d02481fc5956224067234ae86d11bab09e8
SSDEEP

24576:hyVxp3LF+DAVp2K1s000LvZIlasyRxO2XPPiXft:UN3467g+PpSft

Score

8^/10

Malware Config

Signatures

Downloads MZ/PE file

Loads dropped DLL 7 IoCs

Processes:

db48c68674dec6499fe73b17f662a3c0acf05ffbb81cf67a42635bad46d6c3d8.exe

pid	process
716	db48c68674dec6499fe73b17f662a3c0acf05ffbb81cf67a42635bad46d6c3d8.exe
716	db48c68674dec6499fe73b17f662a3c0acf05ffbb81cf67a42635bad46d6c3d8.exe
716	db48c68674dec6499fe73b17f662a3c0acf05ffbb81cf67a42635bad46d6c3d8.exe
716	db48c68674dec6499fe73b17f662a3c0acf05ffbb81cf67a42635bad46d6c3d8.exe
716	db48c68674dec6499fe73b17f662a3c0acf05ffbb81cf67a42635bad46d6c3d8.exe
716	db48c68674dec6499fe73b17f662a3c0acf05ffbb81cf67a42635bad46d6c3d8.exe
716	db48c68674dec6499fe73b17f662a3c0acf05ffbb81cf67a42635bad46d6c3d8.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 23 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{90771181-6FCB-11ED-8641-5263E908E3CD} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid process

1640 iexplore.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

iexplore.exeIEXPLORE.EXE

pid process

1640 iexplore.exe
1640 iexplore.exe
1648 IEXPLORE.EXE
1648 IEXPLORE.EXE
1648 IEXPLORE.EXE
1648 IEXPLORE.EXE

pid	process
1640	iexplore.exe

pid	process
1640	iexplore.exe
1640	iexplore.exe
1648	IEXPLORE.EXE
1648	IEXPLORE.EXE
1648	IEXPLORE.EXE
1648	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

db48c68674dec6499fe73b17f662a3c0acf05ffbb81cf67a42635bad46d6c3d8.exeiexplore.exe

description	pid	process	target process
PID 716 wrote to memory of 1640	716	db48c68674dec6499fe73b17f662a3c0acf05ffbb81cf67a42635bad46d6c3d8.exe	iexplore.exe
PID 716 wrote to memory of 1640	716	db48c68674dec6499fe73b17f662a3c0acf05ffbb81cf67a42635bad46d6c3d8.exe	iexplore.exe
PID 716 wrote to memory of 1640	716	db48c68674dec6499fe73b17f662a3c0acf05ffbb81cf67a42635bad46d6c3d8.exe	iexplore.exe
PID 716 wrote to memory of 1640	716	db48c68674dec6499fe73b17f662a3c0acf05ffbb81cf67a42635bad46d6c3d8.exe	iexplore.exe
PID 1640 wrote to memory of 1648	1640	iexplore.exe	IEXPLORE.EXE
PID 1640 wrote to memory of 1648	1640	iexplore.exe	IEXPLORE.EXE
PID 1640 wrote to memory of 1648	1640	iexplore.exe	IEXPLORE.EXE
PID 1640 wrote to memory of 1648	1640	iexplore.exe	IEXPLORE.EXE
PID 1640 wrote to memory of 1648	1640	iexplore.exe	IEXPLORE.EXE
PID 1640 wrote to memory of 1648	1640	iexplore.exe	IEXPLORE.EXE
PID 1640 wrote to memory of 1648	1640	iexplore.exe	IEXPLORE.EXE

C:\Users\Admin\AppData\Local\Temp\db48c68674dec6499fe73b17f662a3c0acf05ffbb81cf67a42635bad46d6c3d8.exe
"C:\Users\Admin\AppData\Local\Temp\db48c68674dec6499fe73b17f662a3c0acf05ffbb81cf67a42635bad46d6c3d8.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:716

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" http://www.zhendeshihuidaojiale.com/ZGI0OGM2ODY3NGRlYzY0OTlmZTczYjE3ZjY2MmEzYzBhY2YwNWZmYmI4MWNmNjdhNDI2MzViYWQ0NmQ2YzNkOC5leGU=/40.html
2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1640

C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1640 CREDAT:275457 /prefetch:2
3⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1648

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nsz1C1B.tmp\Base64.dll
Filesize
4KB

MD5
f0e3845fefd227d7f1101850410ec849

SHA1
3067203fafd4237be0c186ddab7029dfcbdfb53e

SHA256
7c688940e73022bf526f07cc922a631a1b1db78a19439af6bafbff2a3b46d554

SHA512
584ae5a0d1c1639ba4e2187d0c8a0ac7e54c0be0a266029c4689d81c0c64a7f80e7d918da0df5c6344f9f7a114f30d8f2feda253b29e813bae086604731a3d8a

Download Submit
\Users\Admin\AppData\Local\Temp\nsz1C1B.tmp\Inetc.dll
Filesize
20KB

MD5
50fdadda3e993688401f6f1108fabdb4

SHA1
04a9ae55d0fb726be49809582cea41d75bf22a9a

SHA256
6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

SHA512
e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

Download Submit
\Users\Admin\AppData\Local\Temp\nsz1C1B.tmp\NSISdl.dll
Filesize
14KB

MD5
a5f8399a743ab7f9c88c645c35b1ebb5

SHA1
168f3c158913b0367bf79fa413357fbe97018191

SHA256
dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

SHA512
824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

Download Submit
\Users\Admin\AppData\Local\Temp\nsz1C1B.tmp\NSISdl.dll
Filesize
14KB

MD5
a5f8399a743ab7f9c88c645c35b1ebb5

SHA1
168f3c158913b0367bf79fa413357fbe97018191

SHA256
dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

SHA512
824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

Download Submit
\Users\Admin\AppData\Local\Temp\nsz1C1B.tmp\NSISdl.dll
Filesize
14KB

MD5
a5f8399a743ab7f9c88c645c35b1ebb5

SHA1
168f3c158913b0367bf79fa413357fbe97018191

SHA256
dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

SHA512
824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

Download Submit
\Users\Admin\AppData\Local\Temp\nsz1C1B.tmp\NSISdl.dll
Filesize
14KB

MD5
a5f8399a743ab7f9c88c645c35b1ebb5

SHA1
168f3c158913b0367bf79fa413357fbe97018191

SHA256
dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

SHA512
824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

Download Submit
\Users\Admin\AppData\Local\Temp\nsz1C1B.tmp\System.dll
Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

Download Submit
memory/716-54-0x0000000074E61000-0x0000000074E63000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads