c293d2e1d0206fe81ce2ee83d9f626bfe511d4a51c78a1ab6be4c22f26f9601a

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
01/12/2022, 18:14

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General

Target

c293d2e1d0206fe81ce2ee83d9f626bfe511d4a51c78a1ab6be4c22f26f9601a.exe
Size

40KB
MD5

07f5745cdf036527b7d9a03ec41f585a
SHA1

1bed17f3a7ba3bef477c3125b0024a7a5f81b4fc
SHA256

c293d2e1d0206fe81ce2ee83d9f626bfe511d4a51c78a1ab6be4c22f26f9601a
SHA512

d88a09675333cc36192fca1cda96ded1a3086b2d7f6d1caf395d3a4b534ed16c8c8e09e70f85ed910d224aca9d89c0c69f3e2080852b8eea8bf9a4ab6baea272
SSDEEP

768:N/GSmf5cR6JpLe0RxmGbNaHb7atmZ0LRmN60VBAl2csci:pGSmf5ByG0GbNeXSmZYmc0olal

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4880	system.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
4900	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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	c293d2e1d0206fe81ce2ee83d9f626bfe511d4a51c78a1ab6be4c22f26f9601a.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\12ce4e06a81e8d54fd01d9b762f1b1bb.exe	system.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\12ce4e06a81e8d54fd01d9b762f1b1bb.exe	system.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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\12ce4e06a81e8d54fd01d9b762f1b1bb = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\system.exe\" .."	system.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\12ce4e06a81e8d54fd01d9b762f1b1bb = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\system.exe\" .."	system.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 25 IoCs

pid	Process
4880	system.exe
4880	system.exe
4880	system.exe
4880	system.exe
4880	system.exe
4880	system.exe
4880	system.exe
4880	system.exe
4880	system.exe
4880	system.exe
4880	system.exe
4880	system.exe
4880	system.exe
4880	system.exe
4880	system.exe
4880	system.exe
4880	system.exe
4880	system.exe
4880	system.exe
4880	system.exe
4880	system.exe
4880	system.exe
4880	system.exe
4880	system.exe
4880	system.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4880	system.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 4880	2012	c293d2e1d0206fe81ce2ee83d9f626bfe511d4a51c78a1ab6be4c22f26f9601a.exe	81
PID 2012 wrote to memory of 4880	2012	c293d2e1d0206fe81ce2ee83d9f626bfe511d4a51c78a1ab6be4c22f26f9601a.exe	81
PID 2012 wrote to memory of 4880	2012	c293d2e1d0206fe81ce2ee83d9f626bfe511d4a51c78a1ab6be4c22f26f9601a.exe	81
PID 4880 wrote to memory of 4900	4880	system.exe	82
PID 4880 wrote to memory of 4900	4880	system.exe	82
PID 4880 wrote to memory of 4900	4880	system.exe	82

C:\Users\Admin\AppData\Local\Temp\c293d2e1d0206fe81ce2ee83d9f626bfe511d4a51c78a1ab6be4c22f26f9601a.exe
"C:\Users\Admin\AppData\Local\Temp\c293d2e1d0206fe81ce2ee83d9f626bfe511d4a51c78a1ab6be4c22f26f9601a.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Users\Admin\AppData\Local\Temp\system.exe
  "C:\Users\Admin\AppData\Local\Temp\system.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4880
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\system.exe" "system.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:4900

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

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

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
40KB

MD5
07f5745cdf036527b7d9a03ec41f585a

SHA1
1bed17f3a7ba3bef477c3125b0024a7a5f81b4fc

SHA256
c293d2e1d0206fe81ce2ee83d9f626bfe511d4a51c78a1ab6be4c22f26f9601a

SHA512
d88a09675333cc36192fca1cda96ded1a3086b2d7f6d1caf395d3a4b534ed16c8c8e09e70f85ed910d224aca9d89c0c69f3e2080852b8eea8bf9a4ab6baea272

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

Filesize
40KB

MD5
07f5745cdf036527b7d9a03ec41f585a

SHA1
1bed17f3a7ba3bef477c3125b0024a7a5f81b4fc

SHA256
c293d2e1d0206fe81ce2ee83d9f626bfe511d4a51c78a1ab6be4c22f26f9601a

SHA512
d88a09675333cc36192fca1cda96ded1a3086b2d7f6d1caf395d3a4b534ed16c8c8e09e70f85ed910d224aca9d89c0c69f3e2080852b8eea8bf9a4ab6baea272

Download Submit
memory/2012-132-0x00000000754A0000-0x0000000075A51000-memory.dmp

Filesize
5.7MB

Download
memory/2012-136-0x00000000754A0000-0x0000000075A51000-memory.dmp

Filesize
5.7MB

Download
memory/4880-138-0x00000000754A0000-0x0000000075A51000-memory.dmp

Filesize
5.7MB

Download
memory/4880-139-0x00000000754A0000-0x0000000075A51000-memory.dmp

Filesize
5.7MB

Download