20f2c1a103f184536f306385fa2f7458908a0edc174efa28d3b576892667b98f

Analysis

max time kernel
302s
max time network
342s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 15:57

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General

Target

20f2c1a103f184536f306385fa2f7458908a0edc174efa28d3b576892667b98f.exe
Size

260KB
MD5

456da6d8714b90542ec945409b75cba0
SHA1

62dd67e56b88e9dcf73a9fde6179614500aadd00
SHA256

20f2c1a103f184536f306385fa2f7458908a0edc174efa28d3b576892667b98f
SHA512

4ffca508581052b51f920e96bba5c23635dec91ec217ee8291551571f7a0b78f0f9cdcc77bb428aa4abfc01a6d960a78e133df7927567a6aa3b55c09b3d01d0f
SSDEEP

3072:Zw9ei+xWdwTiE64j9a45Kf/4xLMfKdRR7yH3TFavCPQjIYQHCd8boxQVV/V3xion:ejdwT/6qKWmH3TFCCoNLx+VH

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

20f2c1a103f184536f306385fa2f7458908a0edc174efa28d3b576892667b98f.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	20f2c1a103f184536f306385fa2f7458908a0edc174efa28d3b576892667b98f.exe

Executes dropped EXE 1 IoCs

Processes:

xxhiob.exe

pid process

1072 xxhiob.exe

pid	process
1072	xxhiob.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

20f2c1a103f184536f306385fa2f7458908a0edc174efa28d3b576892667b98f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	20f2c1a103f184536f306385fa2f7458908a0edc174efa28d3b576892667b98f.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

20f2c1a103f184536f306385fa2f7458908a0edc174efa28d3b576892667b98f.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows\CurrentVersion\Run\	20f2c1a103f184536f306385fa2f7458908a0edc174efa28d3b576892667b98f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\xxhiob = "C:\\Users\\Admin\\xxhiob.exe /U"	20f2c1a103f184536f306385fa2f7458908a0edc174efa28d3b576892667b98f.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 2 IoCs

Processes:

20f2c1a103f184536f306385fa2f7458908a0edc174efa28d3b576892667b98f.exe

pid	process
3688	20f2c1a103f184536f306385fa2f7458908a0edc174efa28d3b576892667b98f.exe
3688	20f2c1a103f184536f306385fa2f7458908a0edc174efa28d3b576892667b98f.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

20f2c1a103f184536f306385fa2f7458908a0edc174efa28d3b576892667b98f.exexxhiob.exe

pid process

3688 20f2c1a103f184536f306385fa2f7458908a0edc174efa28d3b576892667b98f.exe
1072 xxhiob.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

20f2c1a103f184536f306385fa2f7458908a0edc174efa28d3b576892667b98f.exe

description	pid	process	target process
PID 3688 wrote to memory of 1072	3688	20f2c1a103f184536f306385fa2f7458908a0edc174efa28d3b576892667b98f.exe	xxhiob.exe
PID 3688 wrote to memory of 1072	3688	20f2c1a103f184536f306385fa2f7458908a0edc174efa28d3b576892667b98f.exe	xxhiob.exe
PID 3688 wrote to memory of 1072	3688	20f2c1a103f184536f306385fa2f7458908a0edc174efa28d3b576892667b98f.exe	xxhiob.exe

C:\Users\Admin\AppData\Local\Temp\20f2c1a103f184536f306385fa2f7458908a0edc174efa28d3b576892667b98f.exe
"C:\Users\Admin\AppData\Local\Temp\20f2c1a103f184536f306385fa2f7458908a0edc174efa28d3b576892667b98f.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3688

C:\Users\Admin\xxhiob.exe
"C:\Users\Admin\xxhiob.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1072

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

T1158

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\xxhiob.exe

Filesize
260KB

MD5
5ea49027f1d2179c2aa6631501615430

SHA1
df129413d9b422b3aec9bf07c777fc4ced3015bc

SHA256
5f1bf5526c41cb0968999bf30426cfa3354eb6fdeee02c6a7aceff82947c883d

SHA512
b7e2773cb588636b1f61e1ec28ade658104b557d6e51891f9679848b6c2b2c66c3aea1ebc9fb6bae8e1e3d22a1d6e1564a971db57146fe8c84522ed33d1dc99a

Download Submit
C:\Users\Admin\xxhiob.exe

Filesize
260KB

MD5
5ea49027f1d2179c2aa6631501615430

SHA1
df129413d9b422b3aec9bf07c777fc4ced3015bc

SHA256
5f1bf5526c41cb0968999bf30426cfa3354eb6fdeee02c6a7aceff82947c883d

SHA512
b7e2773cb588636b1f61e1ec28ade658104b557d6e51891f9679848b6c2b2c66c3aea1ebc9fb6bae8e1e3d22a1d6e1564a971db57146fe8c84522ed33d1dc99a

Download Submit
memory/1072-134-0x0000000000000000-mapping.dmp

Download