e329839e331470138383753f30fb6bae48e7688d45c3db583fdf80a68dbc92b7

Analysis

max time kernel
151s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25/12/2023, 10:03

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General

Target

15dd205f125a17ddc29c65e81a2f667d.exe
Size

225KB
MD5

15dd205f125a17ddc29c65e81a2f667d
SHA1

12476f8703f989e62018c371373e5c4039767bfd
SHA256

e329839e331470138383753f30fb6bae48e7688d45c3db583fdf80a68dbc92b7
SHA512

c0890989c7ff4c40f0320e22599317e513f3a0e0285df601a61de1778cf6652d7ebe80eb1c976a28f8bf3e66da08c2183531c97c6267ca02217b40d29d825394
SSDEEP

6144:d8KneNc5QyMXkm9tRSJZb5OhX6CrdfONr:qX7vH1SLbUd6cM

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2716	Vfabaa.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\3XQZ6EO4AP = "C:\\Windows\\Vfabaa.exe"	Vfabaa.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job	15dd205f125a17ddc29c65e81a2f667d.exe
File created	C:\Windows\Vfabaa.exe	15dd205f125a17ddc29c65e81a2f667d.exe
File opened for modification	C:\Windows\Vfabaa.exe	15dd205f125a17ddc29c65e81a2f667d.exe
File created	C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job	15dd205f125a17ddc29c65e81a2f667d.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	15dd205f125a17ddc29c65e81a2f667d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	Vfabaa.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main	Vfabaa.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\International	Vfabaa.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe
2716	Vfabaa.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 2716	2656	15dd205f125a17ddc29c65e81a2f667d.exe	28
PID 2656 wrote to memory of 2716	2656	15dd205f125a17ddc29c65e81a2f667d.exe	28
PID 2656 wrote to memory of 2716	2656	15dd205f125a17ddc29c65e81a2f667d.exe	28
PID 2656 wrote to memory of 2716	2656	15dd205f125a17ddc29c65e81a2f667d.exe	28

C:\Users\Admin\AppData\Local\Temp\15dd205f125a17ddc29c65e81a2f667d.exe
"C:\Users\Admin\AppData\Local\Temp\15dd205f125a17ddc29c65e81a2f667d.exe"
1⤵
- Drops file in Windows directory
- Enumerates system info in registry
- Suspicious use of WriteProcessMemory
PID:2656
- C:\Windows\Vfabaa.exe
  C:\Windows\Vfabaa.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Enumerates system info in registry
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  PID:2716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Tasks\{810401E2-DDE0-454e-B0E2-AA89C9E5967C}.job

Filesize
344B

MD5
56c54ee5a6a8bbdb653668a80a238db2

SHA1
399b1858e48697ac1e67b07dac3fb0168c760ae7

SHA256
d9c856d1297f2f2b26275d2c67b7f6dd66ba56b4905b582f459b1275fd24e8bd

SHA512
7c8470b3c8cfd43e4b8ac80012d96af39c1a71298d1ac842aa00cb58b90bc8610a0d875422e5c3353f4501ec4e67cebd2001710ce475d4a9fbeb9ff89c2c91d0

Download Submit
C:\Windows\Vfabaa.exe

Filesize
225KB

MD5
15dd205f125a17ddc29c65e81a2f667d

SHA1
12476f8703f989e62018c371373e5c4039767bfd

SHA256
e329839e331470138383753f30fb6bae48e7688d45c3db583fdf80a68dbc92b7

SHA512
c0890989c7ff4c40f0320e22599317e513f3a0e0285df601a61de1778cf6652d7ebe80eb1c976a28f8bf3e66da08c2183531c97c6267ca02217b40d29d825394

Download Submit
memory/2656-2932-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2656-1-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2656-2-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2656-23317-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2656-0-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2716-18293-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2716-10-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2716-9-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2716-29963-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2716-33767-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2716-49621-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2716-53479-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2716-53480-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2716-53482-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2716-53486-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download