1a5ee3073766b9f297dea8e83a7cfa52009e2a4cc7f418c7b3f0d78ee4089de1

Analysis

max time kernel
139s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01/12/2022, 10:17

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General

Target

1a5ee3073766b9f297dea8e83a7cfa52009e2a4cc7f418c7b3f0d78ee4089de1.exe
Size

29KB
MD5

45dfc7b8ef55e2a2daaedca296c06bc5
SHA1

03b31e4c16d4848a7e6ea1340ebfe84157b3f1f8
SHA256

1a5ee3073766b9f297dea8e83a7cfa52009e2a4cc7f418c7b3f0d78ee4089de1
SHA512

425773fa34306a0c698186ac03982caf33545360ef6e2db1f8ff3adcffc3d750ff6d25bafdaa52916eb5c6784c1684afbccec73135fe5025c11b1852380795ba
SSDEEP

192:AyEhmbwAlQWgexuQ9f/7y5Fok2Z6kRRgXLrBJXsbHZccHw013Kl8tmbNz3/:l0mHFMQ9fm4k2BEXHBkHZvmCmbN

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\4362 = "C:\\PROGRA~3\\LOCALS~1\\Temp\\mskfed.exe"	svchost.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	1a5ee3073766b9f297dea8e83a7cfa52009e2a4cc7f418c7b3f0d78ee4089de1.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	1a5ee3073766b9f297dea8e83a7cfa52009e2a4cc7f418c7b3f0d78ee4089de1.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\PROGRA~3\LOCALS~1\Temp\mskfed.exe	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1188	1a5ee3073766b9f297dea8e83a7cfa52009e2a4cc7f418c7b3f0d78ee4089de1.exe
1188	1a5ee3073766b9f297dea8e83a7cfa52009e2a4cc7f418c7b3f0d78ee4089de1.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1188	1a5ee3073766b9f297dea8e83a7cfa52009e2a4cc7f418c7b3f0d78ee4089de1.exe
1188	1a5ee3073766b9f297dea8e83a7cfa52009e2a4cc7f418c7b3f0d78ee4089de1.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1188 wrote to memory of 1284	1188	1a5ee3073766b9f297dea8e83a7cfa52009e2a4cc7f418c7b3f0d78ee4089de1.exe	79
PID 1188 wrote to memory of 1284	1188	1a5ee3073766b9f297dea8e83a7cfa52009e2a4cc7f418c7b3f0d78ee4089de1.exe	79
PID 1188 wrote to memory of 1284	1188	1a5ee3073766b9f297dea8e83a7cfa52009e2a4cc7f418c7b3f0d78ee4089de1.exe	79

C:\Users\Admin\AppData\Local\Temp\1a5ee3073766b9f297dea8e83a7cfa52009e2a4cc7f418c7b3f0d78ee4089de1.exe
"C:\Users\Admin\AppData\Local\Temp\1a5ee3073766b9f297dea8e83a7cfa52009e2a4cc7f418c7b3f0d78ee4089de1.exe"
1⤵
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\syswow64\svchost.exe
  2⤵
  - Adds policy Run key to start application
  - Drops file in Program Files directory
  PID:1284

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

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Downloads

memory/1188-132-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1188-134-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/1284-135-0x0000000000350000-0x000000000035E000-memory.dmp

Filesize
56KB

Download
memory/1284-136-0x0000000000230000-0x0000000000235000-memory.dmp

Filesize
20KB

Download
memory/1284-137-0x0000000000150000-0x0000000000155000-memory.dmp

Filesize
20KB

Download
memory/1284-138-0x0000000000150000-0x0000000000155000-memory.dmp

Filesize
20KB

Download