4643baa22a235eb03cae5d34721344252502e8afe694c45181a525959bf23143

Analysis

max time kernel
172s
max time network
177s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 12:30

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General

Target

4643baa22a235eb03cae5d34721344252502e8afe694c45181a525959bf23143.exe
Size

2.3MB
MD5

7d3e93fc091ccdd68e788d95b38039cf
SHA1

235208ce96c79edc705278fc2fe2108c1384b4b9
SHA256

4643baa22a235eb03cae5d34721344252502e8afe694c45181a525959bf23143
SHA512

8658c1f3d6dd093c0fc10aafca18d5aa351e6a76ba3bcab660deb9b3e8da74ee7ffa9cca313a452e09c1d5278afd032dd153d9365e0f62a4042c1428e3140a45
SSDEEP

49152:gQEquvUsXYCElzopHbfxtFiw5FGic2Ty1YOLPUN:g3qSUsXaoBxS8GipjO4N

Score

9^/10

bootkit evasion persistence upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 4 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\360data\c601018a.z	acprotect
C:\Users\Admin\AppData\Local\360data\c601018a.z	acprotect
C:\Users\Admin\AppData\Local\360data\websyber.dll	acprotect
C:\Users\Admin\AppData\Local\360data\websyber.dll	acprotect

Executes dropped EXE 3 IoCs

Processes:

tlbb999.exe28F4.tmp多开器.exe

pid process

4856 tlbb999.exe
2252 28F4.tmp
1224 多开器.exe

pid	process
4856	tlbb999.exe
2252	28F4.tmp
1224	多开器.exe

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\360data\c601018a.z	upx
C:\Users\Admin\AppData\Local\360data\c601018a.z	upx
behavioral2/memory/1412-148-0x0000000010000000-0x000000001002D000-memory.dmp	upx
C:\Users\Admin\AppData\Local\360data\websyber.dll	upx
C:\Users\Admin\AppData\Local\360data\websyber.dll	upx
behavioral2/memory/2200-154-0x0000000010000000-0x000000001002D000-memory.dmp	upx
behavioral2/memory/2200-155-0x0000000010000000-0x000000001002D000-memory.dmp	upx

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

4643baa22a235eb03cae5d34721344252502e8afe694c45181a525959bf23143.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	4643baa22a235eb03cae5d34721344252502e8afe694c45181a525959bf23143.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

4643baa22a235eb03cae5d34721344252502e8afe694c45181a525959bf23143.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Wine	4643baa22a235eb03cae5d34721344252502e8afe694c45181a525959bf23143.exe

Loads dropped DLL 2 IoCs

Processes:

rundll32.exerundll32.exe

pid process

1412 rundll32.exe
2200 rundll32.exe

pid	process
1412	rundll32.exe
2200	rundll32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\360Update = "rundll32 \"C:\\Users\\Admin\\AppData\\Local\\360data\\websyber.dll\",_RunAs@16"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run	rundll32.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1067

Processes:

4643baa22a235eb03cae5d34721344252502e8afe694c45181a525959bf23143.exe

description ioc process

File opened for modification \??\PhysicalDrive0 4643baa22a235eb03cae5d34721344252502e8afe694c45181a525959bf23143.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

4643baa22a235eb03cae5d34721344252502e8afe694c45181a525959bf23143.exe

pid process

4616 4643baa22a235eb03cae5d34721344252502e8afe694c45181a525959bf23143.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 opened for modification	\??\PhysicalDrive0	4643baa22a235eb03cae5d34721344252502e8afe694c45181a525959bf23143.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

4643baa22a235eb03cae5d34721344252502e8afe694c45181a525959bf23143.exerundll32.exerundll32.exe

pid	process
4616	4643baa22a235eb03cae5d34721344252502e8afe694c45181a525959bf23143.exe
4616	4643baa22a235eb03cae5d34721344252502e8afe694c45181a525959bf23143.exe
1412	rundll32.exe
1412	rundll32.exe
1412	rundll32.exe
1412	rundll32.exe
1412	rundll32.exe
1412	rundll32.exe
1412	rundll32.exe
1412	rundll32.exe
1412	rundll32.exe
1412	rundll32.exe
1412	rundll32.exe
1412	rundll32.exe
1412	rundll32.exe
1412	rundll32.exe
1412	rundll32.exe
1412	rundll32.exe
1412	rundll32.exe
1412	rundll32.exe
1412	rundll32.exe
1412	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe
2200	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

多开器.exe

pid process

1224 多开器.exe
1224 多开器.exe

pid	process
1224	多开器.exe
1224	多开器.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

4643baa22a235eb03cae5d34721344252502e8afe694c45181a525959bf23143.exetlbb999.exe28F4.tmprundll32.exe

description	pid	process	target process
PID 4616 wrote to memory of 4856	4616	4643baa22a235eb03cae5d34721344252502e8afe694c45181a525959bf23143.exe	tlbb999.exe
PID 4616 wrote to memory of 4856	4616	4643baa22a235eb03cae5d34721344252502e8afe694c45181a525959bf23143.exe	tlbb999.exe
PID 4616 wrote to memory of 4856	4616	4643baa22a235eb03cae5d34721344252502e8afe694c45181a525959bf23143.exe	tlbb999.exe
PID 4856 wrote to memory of 2252	4856	tlbb999.exe	28F4.tmp
PID 4856 wrote to memory of 2252	4856	tlbb999.exe	28F4.tmp
PID 4856 wrote to memory of 2252	4856	tlbb999.exe	28F4.tmp
PID 4616 wrote to memory of 1224	4616	4643baa22a235eb03cae5d34721344252502e8afe694c45181a525959bf23143.exe	多开器.exe
PID 4616 wrote to memory of 1224	4616	4643baa22a235eb03cae5d34721344252502e8afe694c45181a525959bf23143.exe	多开器.exe
PID 4616 wrote to memory of 1224	4616	4643baa22a235eb03cae5d34721344252502e8afe694c45181a525959bf23143.exe	多开器.exe
PID 2252 wrote to memory of 1412	2252	28F4.tmp	rundll32.exe
PID 2252 wrote to memory of 1412	2252	28F4.tmp	rundll32.exe
PID 2252 wrote to memory of 1412	2252	28F4.tmp	rundll32.exe
PID 1412 wrote to memory of 2200	1412	rundll32.exe	rundll32.exe
PID 1412 wrote to memory of 2200	1412	rundll32.exe	rundll32.exe
PID 1412 wrote to memory of 2200	1412	rundll32.exe	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\4643baa22a235eb03cae5d34721344252502e8afe694c45181a525959bf23143.exe
"C:\Users\Admin\AppData\Local\Temp\4643baa22a235eb03cae5d34721344252502e8afe694c45181a525959bf23143.exe"
1⤵
- Checks computer location settings
- Identifies Wine through registry keys
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4616

C:\Users\Admin\AppData\Local\Temp\tlbb999.exe
"C:\Users\Admin\AppData\Local\Temp\tlbb999.exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4856

C:\Users\Admin\AppData\Local\Temp\28F4.tmp
"C:\Users\Admin\AppData\Local\Temp\28F4.tmp" "C:\Users\Admin\AppData\Local\Temp\tlbb999.exe" "4856"
3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2252

C:\Windows\SysWOW64\rundll32.exe
rundll32 "C:\Users\Admin\AppData\Local\360data\c601018a.z",_RunAs@16
4⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1412

C:\Windows\SysWOW64\rundll32.exe
rundll32 "C:\Users\Admin\AppData\Local\360data\websyber.dll",_RunAs@16
5⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:2200

C:\Users\Admin\AppData\Local\Temp\多开器.exe
"C:\Users\Admin\AppData\Local\Temp\多开器.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1224

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

T1067

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\360data\c601018a.z
Filesize
49KB

MD5
d895b53fa7c92b7d9efc7ca668e6fe69

SHA1
74c46220a419d143f89c82245185d013d2f9d26f

SHA256
8f4044489c249d51ffdb6e2c0b4aa47879451bf79f7cfd4f2b6cbb3e3e704231

SHA512
694a55f842402cc68cd77614a33df7b3633951424204127fdab038a10f684645da79d7d1212c56c887774f1b8620efe7b17d3ac30e1f8db9f5d191ee40142a8b

Download Submit
C:\Users\Admin\AppData\Local\360data\c601018a.z
Filesize
49KB

MD5
d895b53fa7c92b7d9efc7ca668e6fe69

SHA1
74c46220a419d143f89c82245185d013d2f9d26f

SHA256
8f4044489c249d51ffdb6e2c0b4aa47879451bf79f7cfd4f2b6cbb3e3e704231

SHA512
694a55f842402cc68cd77614a33df7b3633951424204127fdab038a10f684645da79d7d1212c56c887774f1b8620efe7b17d3ac30e1f8db9f5d191ee40142a8b

Download Submit
C:\Users\Admin\AppData\Local\360data\websyber.dll
Filesize
49KB

MD5
d895b53fa7c92b7d9efc7ca668e6fe69

SHA1
74c46220a419d143f89c82245185d013d2f9d26f

SHA256
8f4044489c249d51ffdb6e2c0b4aa47879451bf79f7cfd4f2b6cbb3e3e704231

SHA512
694a55f842402cc68cd77614a33df7b3633951424204127fdab038a10f684645da79d7d1212c56c887774f1b8620efe7b17d3ac30e1f8db9f5d191ee40142a8b

Download Submit
C:\Users\Admin\AppData\Local\360data\websyber.dll
Filesize
49KB

MD5
d895b53fa7c92b7d9efc7ca668e6fe69

SHA1
74c46220a419d143f89c82245185d013d2f9d26f

SHA256
8f4044489c249d51ffdb6e2c0b4aa47879451bf79f7cfd4f2b6cbb3e3e704231

SHA512
694a55f842402cc68cd77614a33df7b3633951424204127fdab038a10f684645da79d7d1212c56c887774f1b8620efe7b17d3ac30e1f8db9f5d191ee40142a8b

Download Submit
C:\Users\Admin\AppData\Local\Temp\28F4.tmp
Filesize
56KB

MD5
a6477baa52b0c9b78c319e3e3fea07a3

SHA1
f0f2f519f666bed29809219b9499ce530ae5f212

SHA256
0f1a0c0c183393d228a59316a29b7905ec65cf991fe4f16c65b90a68d31c9ade

SHA512
42fcd200deecd8e616d131058815f58bb4a479ef56cec93663226bf9f47a964f4d68650f07f17032f502fad0fb9fd2fb9225c0dd4d78293717e9cdd6447e7ff7

Download Submit
C:\Users\Admin\AppData\Local\Temp\28F4.tmp
Filesize
56KB

MD5
a6477baa52b0c9b78c319e3e3fea07a3

SHA1
f0f2f519f666bed29809219b9499ce530ae5f212

SHA256
0f1a0c0c183393d228a59316a29b7905ec65cf991fe4f16c65b90a68d31c9ade

SHA512
42fcd200deecd8e616d131058815f58bb4a479ef56cec93663226bf9f47a964f4d68650f07f17032f502fad0fb9fd2fb9225c0dd4d78293717e9cdd6447e7ff7

Download Submit
C:\Users\Admin\AppData\Local\Temp\tlbb999.exe
Filesize
56KB

MD5
a6477baa52b0c9b78c319e3e3fea07a3

SHA1
f0f2f519f666bed29809219b9499ce530ae5f212

SHA256
0f1a0c0c183393d228a59316a29b7905ec65cf991fe4f16c65b90a68d31c9ade

SHA512
42fcd200deecd8e616d131058815f58bb4a479ef56cec93663226bf9f47a964f4d68650f07f17032f502fad0fb9fd2fb9225c0dd4d78293717e9cdd6447e7ff7

Download Submit
C:\Users\Admin\AppData\Local\Temp\tlbb999.exe
Filesize
56KB

MD5
a6477baa52b0c9b78c319e3e3fea07a3

SHA1
f0f2f519f666bed29809219b9499ce530ae5f212

SHA256
0f1a0c0c183393d228a59316a29b7905ec65cf991fe4f16c65b90a68d31c9ade

SHA512
42fcd200deecd8e616d131058815f58bb4a479ef56cec93663226bf9f47a964f4d68650f07f17032f502fad0fb9fd2fb9225c0dd4d78293717e9cdd6447e7ff7

Download Submit
C:\Users\Admin\AppData\Local\Temp\多开器.exe
Filesize
676KB

MD5
08f761c819282570de720c7893c6beda

SHA1
df587d97dc70b60141202b228358b7ea3bdd2d88

SHA256
e5a0c5d5b3c9b9c467addacda608dcfb79b33425908e1588a0ccb24a438b879e

SHA512
7ee84f46a62e5ac9a6a60648017db43c31281a0366696e2ce99abff6b9564bfc3f5522e6a52ffe204af9614ea9b10e5894fe6be91f1ab3e6c7c6671553bc4eae

Download Submit
C:\Users\Admin\AppData\Local\Temp\多开器.exe
Filesize
676KB

MD5
08f761c819282570de720c7893c6beda

SHA1
df587d97dc70b60141202b228358b7ea3bdd2d88

SHA256
e5a0c5d5b3c9b9c467addacda608dcfb79b33425908e1588a0ccb24a438b879e

SHA512
7ee84f46a62e5ac9a6a60648017db43c31281a0366696e2ce99abff6b9564bfc3f5522e6a52ffe204af9614ea9b10e5894fe6be91f1ab3e6c7c6671553bc4eae

Download Submit
memory/1224-141-0x0000000000000000-mapping.dmp

Download
memory/1412-148-0x0000000010000000-0x000000001002D000-memory.dmp

Filesize
180KB

Download
memory/1412-144-0x0000000000000000-mapping.dmp

Download
memory/2200-151-0x0000000000000000-mapping.dmp

Download
memory/2200-154-0x0000000010000000-0x000000001002D000-memory.dmp

Filesize
180KB

Download
memory/2200-155-0x0000000010000000-0x000000001002D000-memory.dmp

Filesize
180KB

Download
memory/2252-138-0x0000000000000000-mapping.dmp

Download
memory/2252-150-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/4616-145-0x0000000000400000-0x0000000000A1D000-memory.dmp

Filesize
6.1MB

Download
memory/4616-132-0x0000000000400000-0x0000000000A1D000-memory.dmp

Filesize
6.1MB

Download
memory/4616-134-0x0000000000400000-0x0000000000A1D000-memory.dmp

Filesize
6.1MB

Download
memory/4616-133-0x0000000000400000-0x0000000000A1D000-memory.dmp

Filesize
6.1MB

Download
memory/4856-149-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/4856-135-0x0000000000000000-mapping.dmp

Download