8aaf307ffd43b73380aee08aec251540c094e26176282c9528e8f2d257cdd76b

General

Target

8aaf307ffd43b73380aee08aec251540c094e26176282c9528e8f2d257cdd76b.exe
Size

76KB
MD5

7c015586db9b44eb58428746b0d08c70
SHA1

c3b06bf834fac66d6c79df28b9b31e2af3f8d698
SHA256

8aaf307ffd43b73380aee08aec251540c094e26176282c9528e8f2d257cdd76b
SHA512

a620d5448c7961ade903ee621d68f62f2c221a76e51d9f3fa97f8b581986f6b26aa4c373efc16836b9360f9f95ef8d82fc9e44546c344173817742b36138ed89
SSDEEP

1536:NjyEcgikMdiBf/mxEaHW4HKTpKsUTjlCfg1/:N1cgVMdqf6lqpKs+sK/

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	voamooz.exe

Executes dropped EXE 1 IoCs

pid	Process
1252	voamooz.exe

Loads dropped DLL 2 IoCs

pid	Process
1016	8aaf307ffd43b73380aee08aec251540c094e26176282c9528e8f2d257cdd76b.exe
1016	8aaf307ffd43b73380aee08aec251540c094e26176282c9528e8f2d257cdd76b.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\	voamooz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\voamooz = "C:\\Users\\Admin\\voamooz.exe"	voamooz.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1252	voamooz.exe
1252	voamooz.exe
1252	voamooz.exe
1252	voamooz.exe
1252	voamooz.exe
1252	voamooz.exe
1252	voamooz.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1016	8aaf307ffd43b73380aee08aec251540c094e26176282c9528e8f2d257cdd76b.exe
1252	voamooz.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1016 wrote to memory of 1252	1016	8aaf307ffd43b73380aee08aec251540c094e26176282c9528e8f2d257cdd76b.exe	28
PID 1016 wrote to memory of 1252	1016	8aaf307ffd43b73380aee08aec251540c094e26176282c9528e8f2d257cdd76b.exe	28
PID 1016 wrote to memory of 1252	1016	8aaf307ffd43b73380aee08aec251540c094e26176282c9528e8f2d257cdd76b.exe	28
PID 1016 wrote to memory of 1252	1016	8aaf307ffd43b73380aee08aec251540c094e26176282c9528e8f2d257cdd76b.exe	28
PID 1252 wrote to memory of 1016	1252	voamooz.exe	18
PID 1252 wrote to memory of 1016	1252	voamooz.exe	18
PID 1252 wrote to memory of 1016	1252	voamooz.exe	18
PID 1252 wrote to memory of 1016	1252	voamooz.exe	18
PID 1252 wrote to memory of 1016	1252	voamooz.exe	18
PID 1252 wrote to memory of 1016	1252	voamooz.exe	18
PID 1252 wrote to memory of 1016	1252	voamooz.exe	18
PID 1252 wrote to memory of 1016	1252	voamooz.exe	18
PID 1252 wrote to memory of 1016	1252	voamooz.exe	18
PID 1252 wrote to memory of 1016	1252	voamooz.exe	18
PID 1252 wrote to memory of 1016	1252	voamooz.exe	18
PID 1252 wrote to memory of 1016	1252	voamooz.exe	18

C:\Users\Admin\AppData\Local\Temp\8aaf307ffd43b73380aee08aec251540c094e26176282c9528e8f2d257cdd76b.exe
"C:\Users\Admin\AppData\Local\Temp\8aaf307ffd43b73380aee08aec251540c094e26176282c9528e8f2d257cdd76b.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1016
- C:\Users\Admin\voamooz.exe
  "C:\Users\Admin\voamooz.exe"
  2⤵
  - Modifies visiblity of hidden/system files in Explorer
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1252

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\voamooz.exe

Filesize
76KB

MD5
accdd825bd1c09c0e16a5d4e8981bf90

SHA1
8381af6e96eb647548645ad21769731c2bda5485

SHA256
35145475b0e3e4d202fab57d6c39105717fd3ff726be3e797846406e2e6aa4a0

SHA512
acc55d203752f0f4c5e871948dc58927ea48b86db0af2abf8116e6575d94abae5085c95125aceb32a5b5da178ede7f88e1888967158720187bb502fab1cd6dca

Download Submit
C:\Users\Admin\voamooz.exe

Filesize
76KB

MD5
accdd825bd1c09c0e16a5d4e8981bf90

SHA1
8381af6e96eb647548645ad21769731c2bda5485

SHA256
35145475b0e3e4d202fab57d6c39105717fd3ff726be3e797846406e2e6aa4a0

SHA512
acc55d203752f0f4c5e871948dc58927ea48b86db0af2abf8116e6575d94abae5085c95125aceb32a5b5da178ede7f88e1888967158720187bb502fab1cd6dca

Download Submit
\Users\Admin\voamooz.exe

Filesize
76KB

MD5
accdd825bd1c09c0e16a5d4e8981bf90

SHA1
8381af6e96eb647548645ad21769731c2bda5485

SHA256
35145475b0e3e4d202fab57d6c39105717fd3ff726be3e797846406e2e6aa4a0

SHA512
acc55d203752f0f4c5e871948dc58927ea48b86db0af2abf8116e6575d94abae5085c95125aceb32a5b5da178ede7f88e1888967158720187bb502fab1cd6dca

Download Submit
\Users\Admin\voamooz.exe

Filesize
76KB

MD5
accdd825bd1c09c0e16a5d4e8981bf90

SHA1
8381af6e96eb647548645ad21769731c2bda5485

SHA256
35145475b0e3e4d202fab57d6c39105717fd3ff726be3e797846406e2e6aa4a0

SHA512
acc55d203752f0f4c5e871948dc58927ea48b86db0af2abf8116e6575d94abae5085c95125aceb32a5b5da178ede7f88e1888967158720187bb502fab1cd6dca

Download Submit
memory/1016-56-0x00000000756B1000-0x00000000756B3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads