14afee34b6a36a32b34c61556e46fef92e6a2d9066c758308bb9caea4a94ae2a

Analysis

max time kernel
43s
max time network
47s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
06-12-2022 07:06

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General

Target

0870a4727fcd6ce557f017f0fed61f51.exe
Size

343KB
MD5

0870a4727fcd6ce557f017f0fed61f51
SHA1

6ad1abe4d5d4f44ea753fb10df927adb1f139f2e
SHA256

14afee34b6a36a32b34c61556e46fef92e6a2d9066c758308bb9caea4a94ae2a
SHA512

7a97ad7ab0f0f23883ca3ee33fdf5ecca2ee3d28df3295ba3b1f1a04b71c62c7dbb7c3bc41d13ac7a84e286b41d130ef4e07a9ad79e7146e9f44baca513a03c5
SSDEEP

6144:ZBnbr9ZL8bM0rCfO4AFSnQNYnx3b+/wmsqplIQ037:HfL8bM9fz8SnQyRWwmxsQg

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

Processes:

vjfiz.exevjfiz.exe

pid process

1624 vjfiz.exe
1224 vjfiz.exe
Loads dropped DLL 5 IoCs

Processes:

0870a4727fcd6ce557f017f0fed61f51.exevjfiz.exeWerFault.exe

pid process

1672 0870a4727fcd6ce557f017f0fed61f51.exe
1624 vjfiz.exe
584 WerFault.exe
584 WerFault.exe
584 WerFault.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

vjfiz.exe

description pid process target process

PID 1624 set thread context of 1224 1624 vjfiz.exe vjfiz.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

584 1224 WerFault.exe vjfiz.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

vjfiz.exe

pid process

1624 vjfiz.exe
1624 vjfiz.exe

pid	process
1624	vjfiz.exe
1224	vjfiz.exe

pid	process
1672	0870a4727fcd6ce557f017f0fed61f51.exe
1624	vjfiz.exe
584	WerFault.exe
584	WerFault.exe
584	WerFault.exe

description	pid	process	target process
PID 1624 set thread context of 1224	1624	vjfiz.exe	vjfiz.exe

pid	pid_target	process	target process
584	1224	WerFault.exe	vjfiz.exe

pid	process
1624	vjfiz.exe
1624	vjfiz.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

0870a4727fcd6ce557f017f0fed61f51.exevjfiz.exevjfiz.exe

description	pid	process	target process
PID 1672 wrote to memory of 1624	1672	0870a4727fcd6ce557f017f0fed61f51.exe	vjfiz.exe
PID 1672 wrote to memory of 1624	1672	0870a4727fcd6ce557f017f0fed61f51.exe	vjfiz.exe
PID 1672 wrote to memory of 1624	1672	0870a4727fcd6ce557f017f0fed61f51.exe	vjfiz.exe
PID 1672 wrote to memory of 1624	1672	0870a4727fcd6ce557f017f0fed61f51.exe	vjfiz.exe
PID 1624 wrote to memory of 1224	1624	vjfiz.exe	vjfiz.exe
PID 1624 wrote to memory of 1224	1624	vjfiz.exe	vjfiz.exe
PID 1624 wrote to memory of 1224	1624	vjfiz.exe	vjfiz.exe
PID 1624 wrote to memory of 1224	1624	vjfiz.exe	vjfiz.exe
PID 1624 wrote to memory of 1224	1624	vjfiz.exe	vjfiz.exe
PID 1224 wrote to memory of 584	1224	vjfiz.exe	WerFault.exe
PID 1224 wrote to memory of 584	1224	vjfiz.exe	WerFault.exe
PID 1224 wrote to memory of 584	1224	vjfiz.exe	WerFault.exe
PID 1224 wrote to memory of 584	1224	vjfiz.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\0870a4727fcd6ce557f017f0fed61f51.exe
"C:\Users\Admin\AppData\Local\Temp\0870a4727fcd6ce557f017f0fed61f51.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1672

C:\Users\Admin\AppData\Local\Temp\vjfiz.exe
"C:\Users\Admin\AppData\Local\Temp\vjfiz.exe" C:\Users\Admin\AppData\Local\Temp\tysrzemvxjx.lq
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1624

C:\Users\Admin\AppData\Local\Temp\vjfiz.exe
"C:\Users\Admin\AppData\Local\Temp\vjfiz.exe"
3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1224 -s 36
4⤵
- Loads dropped DLL
- Program crash
PID:584

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\dvicdpxumc.gsh
Filesize
185KB

MD5
6bff3f9f5f10ca6c482120d288b62b08

SHA1
e6e72efca642290d5daaf4c8b2fe5a759e1eadd7

SHA256
499c77843bfd10fce945eab5d76cd783cd1f21aba38a1f36f854825d1f2083da

SHA512
ba7dd6f593bca04792711c46f22137841efc1663aee27c8bc1fe99bc057b5475ef9240880e2a391eed5e99f59142fb49d3d35d8fc558e096127c601ece4f1d2a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tysrzemvxjx.lq
Filesize
5KB

MD5
36cf5f2a5ec6b153ee2c785c517153fa

SHA1
21fb70c9c27ea827abd77d7adfef003acc7b1b03

SHA256
84a0d75969da88bc18370ded6588bca0d05525a24bc472c1c84bade9fc1c0479

SHA512
d80a2cd1c4d0f86c64e06b728f99a8dee2239f2f0652cc88b0cd02ee28fda16309b3b7cb70b5254821fcec4b6bee640a431f08986faae8f8173b09cee3c09521

Download Submit
C:\Users\Admin\AppData\Local\Temp\vjfiz.exe
Filesize
12KB

MD5
5d2a199396a0bd5027f1d471210eb446

SHA1
3237dea6926772be66227d29a9b361305734af5a

SHA256
ad6a085a27238c1122dfeead4feb7085a04da98ff6805dda8a816d099e46ae97

SHA512
899bc54811858e79d64b1146f37208eee74455fa976e65f83c131ed65eb71a609f32fbeccc2de21328dbbcc100f7749520464b550ce65d278254ff6446b37e73

Download Submit
C:\Users\Admin\AppData\Local\Temp\vjfiz.exe
Filesize
12KB

MD5
5d2a199396a0bd5027f1d471210eb446

SHA1
3237dea6926772be66227d29a9b361305734af5a

SHA256
ad6a085a27238c1122dfeead4feb7085a04da98ff6805dda8a816d099e46ae97

SHA512
899bc54811858e79d64b1146f37208eee74455fa976e65f83c131ed65eb71a609f32fbeccc2de21328dbbcc100f7749520464b550ce65d278254ff6446b37e73

Download Submit
C:\Users\Admin\AppData\Local\Temp\vjfiz.exe
Filesize
12KB

MD5
5d2a199396a0bd5027f1d471210eb446

SHA1
3237dea6926772be66227d29a9b361305734af5a

SHA256
ad6a085a27238c1122dfeead4feb7085a04da98ff6805dda8a816d099e46ae97

SHA512
899bc54811858e79d64b1146f37208eee74455fa976e65f83c131ed65eb71a609f32fbeccc2de21328dbbcc100f7749520464b550ce65d278254ff6446b37e73

Download Submit
\Users\Admin\AppData\Local\Temp\vjfiz.exe
Filesize
12KB

MD5
5d2a199396a0bd5027f1d471210eb446

SHA1
3237dea6926772be66227d29a9b361305734af5a

SHA256
ad6a085a27238c1122dfeead4feb7085a04da98ff6805dda8a816d099e46ae97

SHA512
899bc54811858e79d64b1146f37208eee74455fa976e65f83c131ed65eb71a609f32fbeccc2de21328dbbcc100f7749520464b550ce65d278254ff6446b37e73

Download Submit
\Users\Admin\AppData\Local\Temp\vjfiz.exe
Filesize
12KB

MD5
5d2a199396a0bd5027f1d471210eb446

SHA1
3237dea6926772be66227d29a9b361305734af5a

SHA256
ad6a085a27238c1122dfeead4feb7085a04da98ff6805dda8a816d099e46ae97

SHA512
899bc54811858e79d64b1146f37208eee74455fa976e65f83c131ed65eb71a609f32fbeccc2de21328dbbcc100f7749520464b550ce65d278254ff6446b37e73

Download Submit
\Users\Admin\AppData\Local\Temp\vjfiz.exe
Filesize
12KB

MD5
5d2a199396a0bd5027f1d471210eb446

SHA1
3237dea6926772be66227d29a9b361305734af5a

SHA256
ad6a085a27238c1122dfeead4feb7085a04da98ff6805dda8a816d099e46ae97

SHA512
899bc54811858e79d64b1146f37208eee74455fa976e65f83c131ed65eb71a609f32fbeccc2de21328dbbcc100f7749520464b550ce65d278254ff6446b37e73

Download Submit
\Users\Admin\AppData\Local\Temp\vjfiz.exe
Filesize
12KB

MD5
5d2a199396a0bd5027f1d471210eb446

SHA1
3237dea6926772be66227d29a9b361305734af5a

SHA256
ad6a085a27238c1122dfeead4feb7085a04da98ff6805dda8a816d099e46ae97

SHA512
899bc54811858e79d64b1146f37208eee74455fa976e65f83c131ed65eb71a609f32fbeccc2de21328dbbcc100f7749520464b550ce65d278254ff6446b37e73

Download Submit
\Users\Admin\AppData\Local\Temp\vjfiz.exe
Filesize
12KB

MD5
5d2a199396a0bd5027f1d471210eb446

SHA1
3237dea6926772be66227d29a9b361305734af5a

SHA256
ad6a085a27238c1122dfeead4feb7085a04da98ff6805dda8a816d099e46ae97

SHA512
899bc54811858e79d64b1146f37208eee74455fa976e65f83c131ed65eb71a609f32fbeccc2de21328dbbcc100f7749520464b550ce65d278254ff6446b37e73

Download Submit
memory/584-64-0x0000000000000000-mapping.dmp

Download
memory/1224-62-0x00000000000D12B0-mapping.dmp

Download
memory/1624-56-0x0000000000000000-mapping.dmp

Download
memory/1672-54-0x0000000075111000-0x0000000075113000-memory.dmp

Filesize
8KB

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