0c87f17b62057c830525adad8440b0efe8887331679ad8ed2fe79cf72ec71cba

General

Target

0c87f17b62057c830525adad8440b0efe8887331679ad8ed2fe79cf72ec71cba.exe
Size

459KB
MD5

42cc3e2d2916e8070a600e0b1e40719e
SHA1

97cf79bba768728bc9db42a926b461ce61221462
SHA256

0c87f17b62057c830525adad8440b0efe8887331679ad8ed2fe79cf72ec71cba
SHA512

79b2cd07cf5a91b35798d0b93cd22676e9d16fe2b1486038c2e5bdff09af46aec79a63ef758efdcc838c3b0c97a624044d806d15eded960b4e3ec89dc18b5a15
SSDEEP

6144:zmvqQMtcbmF4Wl/6WvSWNYuO7Ta8R1ViztIPSogocPi4lzD3shiw3M0ea:SyPFvl/6Wx+HGz/dowvnOM4

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3120	Windows.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
3080	netsh.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	0c87f17b62057c830525adad8440b0efe8887331679ad8ed2fe79cf72ec71cba.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e146b74f1ee9e0db33de3964a4cb7e15.exe	Windows.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e146b74f1ee9e0db33de3964a4cb7e15.exe	Windows.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\e146b74f1ee9e0db33de3964a4cb7e15 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Windows.exe\" .."	Windows.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\e146b74f1ee9e0db33de3964a4cb7e15 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Windows.exe\" .."	Windows.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4952	0c87f17b62057c830525adad8440b0efe8887331679ad8ed2fe79cf72ec71cba.exe
4952	0c87f17b62057c830525adad8440b0efe8887331679ad8ed2fe79cf72ec71cba.exe
3120	Windows.exe
3120	Windows.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4952 wrote to memory of 3120	4952	0c87f17b62057c830525adad8440b0efe8887331679ad8ed2fe79cf72ec71cba.exe	86
PID 4952 wrote to memory of 3120	4952	0c87f17b62057c830525adad8440b0efe8887331679ad8ed2fe79cf72ec71cba.exe	86
PID 4952 wrote to memory of 3120	4952	0c87f17b62057c830525adad8440b0efe8887331679ad8ed2fe79cf72ec71cba.exe	86
PID 3120 wrote to memory of 3080	3120	Windows.exe	87
PID 3120 wrote to memory of 3080	3120	Windows.exe	87
PID 3120 wrote to memory of 3080	3120	Windows.exe	87

C:\Users\Admin\AppData\Local\Temp\0c87f17b62057c830525adad8440b0efe8887331679ad8ed2fe79cf72ec71cba.exe
"C:\Users\Admin\AppData\Local\Temp\0c87f17b62057c830525adad8440b0efe8887331679ad8ed2fe79cf72ec71cba.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4952
- C:\Users\Admin\AppData\Local\Temp\Windows.exe
  "C:\Users\Admin\AppData\Local\Temp\Windows.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3120
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Windows.exe" "Windows.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:3080

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Windows.exe

Filesize
459KB

MD5
42cc3e2d2916e8070a600e0b1e40719e

SHA1
97cf79bba768728bc9db42a926b461ce61221462

SHA256
0c87f17b62057c830525adad8440b0efe8887331679ad8ed2fe79cf72ec71cba

SHA512
79b2cd07cf5a91b35798d0b93cd22676e9d16fe2b1486038c2e5bdff09af46aec79a63ef758efdcc838c3b0c97a624044d806d15eded960b4e3ec89dc18b5a15

Download Submit
C:\Users\Admin\AppData\Local\Temp\Windows.exe

Filesize
459KB

MD5
42cc3e2d2916e8070a600e0b1e40719e

SHA1
97cf79bba768728bc9db42a926b461ce61221462

SHA256
0c87f17b62057c830525adad8440b0efe8887331679ad8ed2fe79cf72ec71cba

SHA512
79b2cd07cf5a91b35798d0b93cd22676e9d16fe2b1486038c2e5bdff09af46aec79a63ef758efdcc838c3b0c97a624044d806d15eded960b4e3ec89dc18b5a15

Download Submit
memory/3080-145-0x0000000000000000-mapping.dmp

Download
memory/3120-141-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/3120-136-0x0000000000000000-mapping.dmp

Download
memory/3120-142-0x0000000001AFA000-0x0000000001AFF000-memory.dmp

Filesize
20KB

Download
memory/3120-143-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/3120-144-0x0000000001AFA000-0x0000000001AFF000-memory.dmp

Filesize
20KB

Download
memory/4952-135-0x0000000001B7A000-0x0000000001B7F000-memory.dmp

Filesize
20KB

Download
memory/4952-134-0x0000000001B7A000-0x0000000001B7F000-memory.dmp

Filesize
20KB

Download
memory/4952-139-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/4952-140-0x0000000001B7A000-0x0000000001B7F000-memory.dmp

Filesize
20KB

Download
memory/4952-132-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/4952-133-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download

Analysis

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