dab664757e4d5fda2b75af03132214a6d21b9f1c638aac7ab185df480b936585

General

Target

dab664757e4d5fda2b75af03132214a6d21b9f1c638aac7ab185df480b936585.exe
Size

107KB
MD5

595a540d3c9f8baafd6db2c8dba05d30
SHA1

cd6c28a5c1ad6d21aad89aeb49d2a35381615d3b
SHA256

dab664757e4d5fda2b75af03132214a6d21b9f1c638aac7ab185df480b936585
SHA512

d53f33e6f1893e228e9f14ecd739c95a06ba90dfcf8fbad95444769c1e348c9154b87fa10f6c840a069149c9044d9d9af56a39bdf459fe997391f01de7b83721
SSDEEP

1536:4QweHj06eCe5rkQIIVmzgrZx/Ef7f6S95VbHHFrbDuPCSeHjxJj7xG6xoyNGx:vj0og0ML/Ef7f6+RbaDeHjxJvxGeXGx

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1088	Server.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
568	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Update.exe	Server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Update.exe	Server.exe

Loads dropped DLL 1 IoCs

pid	Process
1184	dab664757e4d5fda2b75af03132214a6d21b9f1c638aac7ab185df480b936585.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Server.exe\" .."	Server.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Server.exe\" .."	Server.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 1 IoCs

pid	Process
1088	Server.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1088	Server.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1184 wrote to memory of 1088	1184	dab664757e4d5fda2b75af03132214a6d21b9f1c638aac7ab185df480b936585.exe	27
PID 1184 wrote to memory of 1088	1184	dab664757e4d5fda2b75af03132214a6d21b9f1c638aac7ab185df480b936585.exe	27
PID 1184 wrote to memory of 1088	1184	dab664757e4d5fda2b75af03132214a6d21b9f1c638aac7ab185df480b936585.exe	27
PID 1184 wrote to memory of 1088	1184	dab664757e4d5fda2b75af03132214a6d21b9f1c638aac7ab185df480b936585.exe	27
PID 1088 wrote to memory of 568	1088	Server.exe	28
PID 1088 wrote to memory of 568	1088	Server.exe	28
PID 1088 wrote to memory of 568	1088	Server.exe	28
PID 1088 wrote to memory of 568	1088	Server.exe	28

C:\Users\Admin\AppData\Local\Temp\dab664757e4d5fda2b75af03132214a6d21b9f1c638aac7ab185df480b936585.exe
"C:\Users\Admin\AppData\Local\Temp\dab664757e4d5fda2b75af03132214a6d21b9f1c638aac7ab185df480b936585.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1184
- C:\Users\Admin\AppData\Local\Temp\Server.exe
  "C:\Users\Admin\AppData\Local\Temp\Server.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1088
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Server.exe" "Server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:568

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Server.exe

Filesize
107KB

MD5
595a540d3c9f8baafd6db2c8dba05d30

SHA1
cd6c28a5c1ad6d21aad89aeb49d2a35381615d3b

SHA256
dab664757e4d5fda2b75af03132214a6d21b9f1c638aac7ab185df480b936585

SHA512
d53f33e6f1893e228e9f14ecd739c95a06ba90dfcf8fbad95444769c1e348c9154b87fa10f6c840a069149c9044d9d9af56a39bdf459fe997391f01de7b83721

Download Submit
C:\Users\Admin\AppData\Local\Temp\Server.exe

Filesize
107KB

MD5
595a540d3c9f8baafd6db2c8dba05d30

SHA1
cd6c28a5c1ad6d21aad89aeb49d2a35381615d3b

SHA256
dab664757e4d5fda2b75af03132214a6d21b9f1c638aac7ab185df480b936585

SHA512
d53f33e6f1893e228e9f14ecd739c95a06ba90dfcf8fbad95444769c1e348c9154b87fa10f6c840a069149c9044d9d9af56a39bdf459fe997391f01de7b83721

Download Submit
\Users\Admin\AppData\Local\Temp\Server.exe

Filesize
107KB

MD5
595a540d3c9f8baafd6db2c8dba05d30

SHA1
cd6c28a5c1ad6d21aad89aeb49d2a35381615d3b

SHA256
dab664757e4d5fda2b75af03132214a6d21b9f1c638aac7ab185df480b936585

SHA512
d53f33e6f1893e228e9f14ecd739c95a06ba90dfcf8fbad95444769c1e348c9154b87fa10f6c840a069149c9044d9d9af56a39bdf459fe997391f01de7b83721

Download Submit
memory/1088-64-0x0000000074300000-0x00000000748AB000-memory.dmp

Filesize
5.7MB

Download
memory/1088-66-0x0000000074300000-0x00000000748AB000-memory.dmp

Filesize
5.7MB

Download
memory/1184-54-0x0000000074BB1000-0x0000000074BB3000-memory.dmp

Filesize
8KB

Download
memory/1184-55-0x0000000074300000-0x00000000748AB000-memory.dmp

Filesize
5.7MB

Download
memory/1184-56-0x0000000074300000-0x00000000748AB000-memory.dmp

Filesize
5.7MB

Download
memory/1184-62-0x0000000074300000-0x00000000748AB000-memory.dmp

Filesize
5.7MB

Download

Analysis

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