f0155f892e0c72bcba7a3b754b303ec30cd55121cd3de669bc2e465316e86944

Analysis

max time kernel
118s
max time network
139s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
29-12-2023 19:28

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General

Target

01bb5a323da5fe3a189db37551440c0f.exe
Size

239KB
MD5

01bb5a323da5fe3a189db37551440c0f
SHA1

2edc9452017177a01d83abcaee4f2a9a8c3448a0
SHA256

f0155f892e0c72bcba7a3b754b303ec30cd55121cd3de669bc2e465316e86944
SHA512

3a72914e208b18e045d1b3bc92e06b32b3c8c5b5449ae58fa1148d0f8fe58e287387bd326908f369b04a94db5e1565ad87be77138d218fc6a92681acbb2c062e
SSDEEP

6144:v5lPKzznZlAUjmSPKvBEyiUayGaZ7Q21/DDjLBlGBGh:hOdl/PKGyiUGuHDXXvh

Score

8^/10

persistence

Malware Config

Signatures

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\WFWCServices\Parameters\ServiceDll = "C:\\Windows\\system32\\"	01bb5a323da5fe3a189db37551440c0f.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\	01bb5a323da5fe3a189db37551440c0f.exe
File opened for modification	C:\Windows\SysWOW64\winaspfwct.cpl	01bb5a323da5fe3a189db37551440c0f.exe
File created	C:\Windows\SysWOW64\winaspfwct.cpl	01bb5a323da5fe3a189db37551440c0f.exe
File created	C:\Windows\SysWOW64\brc_Server.exe	01bb5a323da5fe3a189db37551440c0f.exe
File opened for modification	C:\Windows\SysWOW64\brc_Server.exe	01bb5a323da5fe3a189db37551440c0f.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2720	01bb5a323da5fe3a189db37551440c0f.exe
2720	01bb5a323da5fe3a189db37551440c0f.exe
2720	01bb5a323da5fe3a189db37551440c0f.exe
2720	01bb5a323da5fe3a189db37551440c0f.exe
2720	01bb5a323da5fe3a189db37551440c0f.exe

C:\Users\Admin\AppData\Local\Temp\01bb5a323da5fe3a189db37551440c0f.exe
"C:\Users\Admin\AppData\Local\Temp\01bb5a323da5fe3a189db37551440c0f.exe"
1⤵
- Sets DLL path for service in the registry
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:2720

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
PID:2620

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2720-0-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/2720-1-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2720-2-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/2720-5-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download