6385b31519c35421fe238e9e51ff6aee15c9e3719eaeb1d86aaea0b074be687b

Analysis

max time kernel
86s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
26-03-2023 07:27

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General

Target

1f96941dc2540d33d143719ec73bb9cc.exe
Size

1.7MB
MD5

1f96941dc2540d33d143719ec73bb9cc
SHA1

c89543d4efcb4e8f74a2716dcb9bb2fbd2f94cee
SHA256

6385b31519c35421fe238e9e51ff6aee15c9e3719eaeb1d86aaea0b074be687b
SHA512

7bb6cd9e680b5f851249b1d77c507e2f7623af1828bbdfb4ac13e29c92b484bf02c906de23cfa8853ebf390ebc87380bd87d15a8bfb2c1487eb0fa644b0dea80
SSDEEP

24576:LR9Ot09OX7l348A5NyRQ80zEbiRRCRnOO8v6JnOk6PzdNhCQa61NEzMvPJgqqaF6:hz+Rn0tqaWxuGND

Score

7^/10

persistence

Malware Config

Signatures

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:

1f96941dc2540d33d143719ec73bb9cc.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	1f96941dc2540d33d143719ec73bb9cc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

1f96941dc2540d33d143719ec73bb9cc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Hfxioqcy = "\"C:\\Users\\Admin\\AppData\\Roaming\\Eacayjaokvn\\Hfxioqcy.exe\""	1f96941dc2540d33d143719ec73bb9cc.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:

powershell.exe

pid process

1772 powershell.exe
1772 powershell.exe

pid	process
1772	powershell.exe
1772	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exe1f96941dc2540d33d143719ec73bb9cc.exe

description	pid	process
Token: SeDebugPrivilege	1772	powershell.exe
Token: SeDebugPrivilege	4204	1f96941dc2540d33d143719ec73bb9cc.exe
Token: SeDebugPrivilege	4204	1f96941dc2540d33d143719ec73bb9cc.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

1f96941dc2540d33d143719ec73bb9cc.exe

description	pid	process	target process
PID 4204 wrote to memory of 1772	4204	1f96941dc2540d33d143719ec73bb9cc.exe	powershell.exe
PID 4204 wrote to memory of 1772	4204	1f96941dc2540d33d143719ec73bb9cc.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\1f96941dc2540d33d143719ec73bb9cc.exe
"C:\Users\Admin\AppData\Local\Temp\1f96941dc2540d33d143719ec73bb9cc.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4204

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1772

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gcj0gzex.cxs.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1772-154-0x0000020562AC0000-0x0000020562AD0000-memory.dmp

Filesize
64KB

Download
memory/1772-153-0x0000020562AC0000-0x0000020562AD0000-memory.dmp

Filesize
64KB

Download
memory/1772-152-0x0000020562AC0000-0x0000020562AD0000-memory.dmp

Filesize
64KB

Download
memory/1772-149-0x0000020562AC0000-0x0000020562AD0000-memory.dmp

Filesize
64KB

Download
memory/1772-138-0x0000020562AC0000-0x0000020562AD0000-memory.dmp

Filesize
64KB

Download
memory/1772-139-0x0000020562AC0000-0x0000020562AD0000-memory.dmp

Filesize
64KB

Download
memory/4204-151-0x000001AF9D7D0000-0x000001AF9D7E0000-memory.dmp

Filesize
64KB

Download
memory/4204-158-0x000001AFB76D0000-0x000001AFB76D1000-memory.dmp

Filesize
4KB

Download
memory/4204-150-0x000001AF9D7D0000-0x000001AF9D7E0000-memory.dmp

Filesize
64KB

Download
memory/4204-133-0x000001AF9B900000-0x000001AF9BABE000-memory.dmp

Filesize
1.7MB

Download
memory/4204-136-0x000001AF9D880000-0x000001AF9D8A2000-memory.dmp

Filesize
136KB

Download
memory/4204-135-0x000001AF9D7D0000-0x000001AF9D7E0000-memory.dmp

Filesize
64KB

Download
memory/4204-134-0x000001AF9D770000-0x000001AF9D7AA000-memory.dmp

Filesize
232KB

Download
memory/4204-137-0x000001AF9D7D0000-0x000001AF9D7E0000-memory.dmp

Filesize
64KB

Download
memory/4204-159-0x000001AFB76E0000-0x000001AFB76F5000-memory.dmp

Filesize
84KB

Download
memory/4204-160-0x000001AF9D7D0000-0x000001AF9D7E0000-memory.dmp

Filesize
64KB

Download
memory/4204-161-0x000001AF9D7D0000-0x000001AF9D7E0000-memory.dmp

Filesize
64KB

Download
memory/4204-162-0x000001AF9D7D0000-0x000001AF9D7E0000-memory.dmp

Filesize
64KB

Download
memory/4204-163-0x000001AF9D7D0000-0x000001AF9D7E0000-memory.dmp

Filesize
64KB

Download
memory/4204-164-0x000001AF9D7D0000-0x000001AF9D7E0000-memory.dmp

Filesize
64KB

Download