a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00

Analysis

max time kernel
163s
max time network
179s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25/11/2022, 23:37

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General

Target

a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe
Size

165KB
MD5

baa80e6f67617d3b1b278e9691c402dc
SHA1

0f0dcdca17d3a2f9eab5ded65131f9d96ff0d3ab
SHA256

a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00
SHA512

24666b171737fd6a75ea0f00f80c1a9a5e97779b4d39c54f0161484064bf81eb95df9b808accc7a5d899d8f60962c186ae65d7b706cb1ce0f91a787e08ce5d86
SSDEEP

3072:JoDqR9vK7ZktBOgC65uWhIwrXferssCfinalwd9nEp2Ivu9q/GlL4SGiJR:2XZktYu3r2YLqaqd9E1vuMIL/b

Score

8^/10

persistence

Malware Config

Signatures

Adds policy 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\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\54394 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\msagkqw.com"	svchost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\sidebar = "C:\\Users\\Admin\\AppData\\Roaming\\Sample.lnk"	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\disk\enum	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4208 set thread context of 4312	4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe	85

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\PROGRA~3\LOCALS~1\Temp\msagkqw.com	svchost.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 15 IoCs

pid	Process
4312	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe
4312	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe
4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe
4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe
4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe
4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe
4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe
4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe
4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe
4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe
4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe
4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe
4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe
4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe
4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
4312	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe
4312	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 4208 wrote to memory of 5020	4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe	81
PID 4208 wrote to memory of 5020	4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe	81
PID 4208 wrote to memory of 5020	4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe	81
PID 4208 wrote to memory of 4912	4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe	83
PID 4208 wrote to memory of 4912	4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe	83
PID 4208 wrote to memory of 4912	4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe	83
PID 4208 wrote to memory of 4312	4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe	85
PID 4208 wrote to memory of 4312	4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe	85
PID 4208 wrote to memory of 4312	4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe	85
PID 4208 wrote to memory of 4312	4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe	85
PID 4208 wrote to memory of 4312	4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe	85
PID 4208 wrote to memory of 4312	4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe	85
PID 4312 wrote to memory of 4700	4312	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe	86
PID 4312 wrote to memory of 4700	4312	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe	86
PID 4312 wrote to memory of 4700	4312	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe	86
PID 4208 wrote to memory of 5108	4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe	87
PID 4208 wrote to memory of 5108	4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe	87
PID 4208 wrote to memory of 4500	4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe	88
PID 4208 wrote to memory of 4500	4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe	88
PID 4208 wrote to memory of 4604	4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe	89
PID 4208 wrote to memory of 4604	4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe	89
PID 4208 wrote to memory of 1068	4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe	90
PID 4208 wrote to memory of 1068	4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe	90
PID 4208 wrote to memory of 4980	4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe	91
PID 4208 wrote to memory of 4980	4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe	91
PID 4208 wrote to memory of 644	4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe	92
PID 4208 wrote to memory of 644	4208	a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe	92

C:\Users\Admin\AppData\Local\Temp\a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe
"C:\Users\Admin\AppData\Local\Temp\a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4208
- C:\Windows\SysWOW64\CMD.exe
  "CMD"
  2⤵
  PID:5020
- C:\Windows\SysWOW64\CMD.exe
  "CMD"
  2⤵
  PID:4912
- C:\Users\Admin\AppData\Local\Temp\a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe
  "C:\Users\Admin\AppData\Local\Temp\a5534cb35856419b371eb205ab203d0ec56db0a6887feba7e2238e4cc6aabb00.exe"
  2⤵
  - Maps connected drives based on registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:4312
- - C:\Windows\SysWOW64\svchost.exe
    C:\Windows\syswow64\svchost.exe
    3⤵
    - Adds policy Run key to start application
    - Drops file in Program Files directory
    PID:4700
- C:\Windows\explorer.exe
  "C:\Windows\explorer.exe"
  2⤵
  PID:5108
- C:\Windows\explorer.exe
  "C:\Windows\explorer.exe"
  2⤵
  PID:4500
- C:\Windows\explorer.exe
  "C:\Windows\explorer.exe"
  2⤵
  PID:4604
- C:\Windows\explorer.exe
  "C:\Windows\explorer.exe"
  2⤵
  PID:1068
- C:\Windows\explorer.exe
  "C:\Windows\explorer.exe"
  2⤵
  PID:4980
- C:\Windows\explorer.exe
  "C:\Windows\explorer.exe"
  2⤵
  PID:644

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4208-133-0x00000000751C0000-0x0000000075771000-memory.dmp

Filesize
5.7MB

Download
memory/4208-134-0x0000000001080000-0x0000000001085000-memory.dmp

Filesize
20KB

Download
memory/4208-148-0x00000000751C0000-0x0000000075771000-memory.dmp

Filesize
5.7MB

Download
memory/4208-132-0x00000000751C0000-0x0000000075771000-memory.dmp

Filesize
5.7MB

Download
memory/4312-138-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4700-140-0x0000000000670000-0x000000000067E000-memory.dmp

Filesize
56KB

Download
memory/4700-141-0x00000000006E0000-0x00000000006E5000-memory.dmp

Filesize
20KB

Download
memory/4700-149-0x00000000006E0000-0x00000000006E5000-memory.dmp

Filesize
20KB

Download