17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43

Analysis

max time kernel
259s
max time network
281s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 14:53

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General

Target

17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43.exe
Size

559KB
MD5

bf6fee94cfb3d3074f9b5610c92c8736
SHA1

275d6c72eaf3ff795d9c9ce0d8589529117dc3da
SHA256

17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43
SHA512

db15afafc57b654d3ec119ee6b509ddee62d31cea74cd5ae9ce8811e16f7e3e65571b975d55013311bfc7cd4a3b1dd6e479710275553b119fc8082cbd74810d5
SSDEEP

6144:rFhmxTB7drI/7gkzKTr6gQu4ZGhp2y8A/f5c/m6bBApevftP89:vKv6gQu4Aph5QlipeHw

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Local\\Temp\\file.exe"	17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43.exe

Executes dropped EXE 2 IoCs

Processes:

tmp.exenotepad .exe

pid process

3084 tmp.exe
4428 notepad .exe

pid	process
3084	tmp.exe
4428	notepad .exe

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

wscript.exe17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	wscript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43.exe

description	pid	process	target process
PID 1168 set thread context of 4428	1168	17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43.exe	notepad .exe

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4264 4428 WerFault.exe notepad .exe

pid	pid_target	process	target process
4264	4428	WerFault.exe	notepad .exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43.exe

pid	process
1168	17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43.exe
1168	17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43.exe
1168	17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43.exe

description pid process

Token: SeDebugPrivilege 1168 17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43.exe

description	pid	process
Token: SeDebugPrivilege	1168	17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43.execmd.exewscript.exe

description	pid	process	target process
PID 1168 wrote to memory of 1856	1168	17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43.exe	cmd.exe
PID 1168 wrote to memory of 1856	1168	17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43.exe	cmd.exe
PID 1168 wrote to memory of 1856	1168	17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43.exe	cmd.exe
PID 1856 wrote to memory of 3212	1856	cmd.exe	wscript.exe
PID 1856 wrote to memory of 3212	1856	cmd.exe	wscript.exe
PID 1856 wrote to memory of 3212	1856	cmd.exe	wscript.exe
PID 1168 wrote to memory of 3084	1168	17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43.exe	tmp.exe
PID 1168 wrote to memory of 3084	1168	17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43.exe	tmp.exe
PID 1168 wrote to memory of 3084	1168	17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43.exe	tmp.exe
PID 3212 wrote to memory of 2540	3212	wscript.exe	cmd.exe
PID 3212 wrote to memory of 2540	3212	wscript.exe	cmd.exe
PID 3212 wrote to memory of 2540	3212	wscript.exe	cmd.exe
PID 1168 wrote to memory of 4428	1168	17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43.exe	notepad .exe
PID 1168 wrote to memory of 4428	1168	17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43.exe	notepad .exe
PID 1168 wrote to memory of 4428	1168	17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43.exe	notepad .exe
PID 1168 wrote to memory of 4428	1168	17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43.exe	notepad .exe
PID 1168 wrote to memory of 4428	1168	17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43.exe	notepad .exe
PID 1168 wrote to memory of 4428	1168	17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43.exe	notepad .exe
PID 1168 wrote to memory of 4428	1168	17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43.exe	notepad .exe
PID 1168 wrote to memory of 4428	1168	17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43.exe	notepad .exe
PID 1168 wrote to memory of 4428	1168	17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43.exe	notepad .exe

C:\Users\Admin\AppData\Local\Temp\17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43.exe
"C:\Users\Admin\AppData\Local\Temp\17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1168

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\\mata.bat
2⤵
- Suspicious use of WriteProcessMemory
PID:1856

C:\Windows\SysWOW64\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\invs.vbs" "C:\Users\Admin\AppData\Local\Temp\mata2.bat
3⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3212

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\mata2.bat" "
4⤵
PID:2540

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
2⤵
- Executes dropped EXE
PID:3084

C:\Users\Admin\AppData\Local\Temp\notepad .exe
"C:\Users\Admin\AppData\Local\Temp\notepad .exe"
2⤵
- Executes dropped EXE
PID:4428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4428 -s 348
3⤵
- Program crash
PID:4264

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4428 -ip 4428
1⤵
PID:4408

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\file.exe
Filesize
559KB

MD5
bf6fee94cfb3d3074f9b5610c92c8736

SHA1
275d6c72eaf3ff795d9c9ce0d8589529117dc3da

SHA256
17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43

SHA512
db15afafc57b654d3ec119ee6b509ddee62d31cea74cd5ae9ce8811e16f7e3e65571b975d55013311bfc7cd4a3b1dd6e479710275553b119fc8082cbd74810d5

Download Submit
C:\Users\Admin\AppData\Local\Temp\invs.vbs
Filesize
78B

MD5
c578d9653b22800c3eb6b6a51219bbb8

SHA1
a97aa251901bbe179a48dbc7a0c1872e163b1f2d

SHA256
20a98a7e6e137bb1b9bd5ef6911a479cb8eac925b80d6db4e70b19f62a40cce2

SHA512
3ae6dc8f02d1a78e1235a0782b632972da5a74ab32287cc41aa672d4fa4a9d34bb5fc50eba07b6915f2e61c402927cd5f6feeb7f7602afa2f64e91efb3b7fc4d

Download Submit
C:\Users\Admin\AppData\Local\Temp\mata.bat
Filesize
47B

MD5
58c538a6ae20a3c6031217903cdf8e5d

SHA1
399fd50eadf4945b665877facfc4f53d16e18b1e

SHA256
6bcc0e04d9bc32209d90a65c320dc6363e523dd94b38b17bcdc5b980b6405f53

SHA512
c01828a5390fec3443e19d317137ae873de77c7737db7802650430e6a0a1edbd3aabe362903243b372536418fbd8482c2a6efd122d853744a41ade567956c359

Download Submit
C:\Users\Admin\AppData\Local\Temp\mata2.bat
Filesize
47B

MD5
095b2908ae8b2e0e3704c0163f26e283

SHA1
3429b6c1421d448c98c1da9625badcea2484a521

SHA256
22b182644ab28f5e9e17b5a03ba404d09b02da367146b80484584adc842a3ed1

SHA512
e22e379b4f0d8e11fa7c29c3297a3e24a533fb08895d18e9bb27e8cab84da1dd52ff437aca90c5c32a9bdb578b3c1bfb3ff42d3bc2c5951ffeb5941c8286c731

Download Submit
C:\Users\Admin\AppData\Local\Temp\notepad .exe
Filesize
34KB

MD5
e118330b4629b12368d91b9df6488be0

SHA1
ce90218c7e3b90df2a3409ec253048bb6472c2fd

SHA256
3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9

SHA512
ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0

Download Submit
C:\Users\Admin\AppData\Local\Temp\notepad .exe
Filesize
34KB

MD5
e118330b4629b12368d91b9df6488be0

SHA1
ce90218c7e3b90df2a3409ec253048bb6472c2fd

SHA256
3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9

SHA512
ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0

Download Submit
C:\Users\Admin\AppData\Local\Temp\rundll11-.txt
Filesize
559KB

MD5
bf6fee94cfb3d3074f9b5610c92c8736

SHA1
275d6c72eaf3ff795d9c9ce0d8589529117dc3da

SHA256
17c7284c36afc584e97304bcc919260d74bc51427e41b594f2c31ffe4abd6a43

SHA512
db15afafc57b654d3ec119ee6b509ddee62d31cea74cd5ae9ce8811e16f7e3e65571b975d55013311bfc7cd4a3b1dd6e479710275553b119fc8082cbd74810d5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp.exe
Filesize
68KB

MD5
d4879fb623ae695fbb0db7917e36778a

SHA1
98aac1553a2362a112df26fec7239d7c4656655d

SHA256
0fca46b7d77046cb9bf84271f8ea678f8f950bc7ebc81ac7e2c5afd3e96f41c3

SHA512
4f129dc31548a05889e2e124f9885a59895c56b8ccef5ad9ad28084f690b657efaa667504cb0e4495fac83a13c76f836404e6178be4e539737013b5b71a79e78

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp.exe
Filesize
68KB

MD5
d4879fb623ae695fbb0db7917e36778a

SHA1
98aac1553a2362a112df26fec7239d7c4656655d

SHA256
0fca46b7d77046cb9bf84271f8ea678f8f950bc7ebc81ac7e2c5afd3e96f41c3

SHA512
4f129dc31548a05889e2e124f9885a59895c56b8ccef5ad9ad28084f690b657efaa667504cb0e4495fac83a13c76f836404e6178be4e539737013b5b71a79e78

Download Submit
memory/1168-132-0x0000000074A50000-0x0000000075001000-memory.dmp

Filesize
5.7MB

Download
memory/1168-142-0x0000000074A50000-0x0000000075001000-memory.dmp

Filesize
5.7MB

Download
memory/1168-152-0x0000000074A50000-0x0000000075001000-memory.dmp

Filesize
5.7MB

Download
memory/1856-133-0x0000000000000000-mapping.dmp

Download
memory/2540-139-0x0000000000000000-mapping.dmp

Download
memory/3084-138-0x0000000000000000-mapping.dmp

Download
memory/3212-135-0x0000000000000000-mapping.dmp

Download
memory/4428-145-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4428-144-0x0000000000000000-mapping.dmp

Download
memory/4428-149-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download