c5d10a369d4e459f2577a9bfc8ad31573ffb76f6f81e603145f02aba76663e9a

Analysis

max time kernel
341s
max time network
407s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
04/12/2022, 05:10

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General

Target

c5d10a369d4e459f2577a9bfc8ad31573ffb76f6f81e603145f02aba76663e9a.exe
Size

550KB
MD5

244e6bb3accd42d5d5a7aa935ebe7870
SHA1

598cad7b7461b48d2f21d08ea97806948f6e81e7
SHA256

c5d10a369d4e459f2577a9bfc8ad31573ffb76f6f81e603145f02aba76663e9a
SHA512

7a916f2ee3fdc6aba272fd943f4cd16498961e106af118a0d4cc385e9d080985afc5365b2a76f04e02650d13845a3789c3b697f9c5ed7eb08e349bf81dfeed08
SSDEEP

12288:/iFiRKuHwxwMmIhEhDedl13kXctJ4Nzw4hxPTS518uCol:/iFiRKuQxGIhQD2H3kXctJizwcFSdC2

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3288	AD10.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-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	c5d10a369d4e459f2577a9bfc8ad31573ffb76f6f81e603145f02aba76663e9a.exe

Drops file in System32 directory 7 IoCs

description	ioc	Process
File created	C:\WINDOWS\SysWOW64\__tmp_rar_sfx_access_check_240825843	c5d10a369d4e459f2577a9bfc8ad31573ffb76f6f81e603145f02aba76663e9a.exe
File created	C:\WINDOWS\SysWOW64\AD10.exe	c5d10a369d4e459f2577a9bfc8ad31573ffb76f6f81e603145f02aba76663e9a.exe
File opened for modification	C:\WINDOWS\SysWOW64\AD10.exe	c5d10a369d4e459f2577a9bfc8ad31573ffb76f6f81e603145f02aba76663e9a.exe
File created	C:\WINDOWS\SysWOW64\MainciT.dll	c5d10a369d4e459f2577a9bfc8ad31573ffb76f6f81e603145f02aba76663e9a.exe
File opened for modification	C:\WINDOWS\SysWOW64\MainciT.dll	c5d10a369d4e459f2577a9bfc8ad31573ffb76f6f81e603145f02aba76663e9a.exe
File created	C:\WINDOWS\SysWOW64\pb1.bat	c5d10a369d4e459f2577a9bfc8ad31573ffb76f6f81e603145f02aba76663e9a.exe
File opened for modification	C:\WINDOWS\SysWOW64\pb1.bat	c5d10a369d4e459f2577a9bfc8ad31573ffb76f6f81e603145f02aba76663e9a.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 1 IoCs

pid	Process
3288	AD10.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4468 wrote to memory of 2780	4468	c5d10a369d4e459f2577a9bfc8ad31573ffb76f6f81e603145f02aba76663e9a.exe	83
PID 4468 wrote to memory of 2780	4468	c5d10a369d4e459f2577a9bfc8ad31573ffb76f6f81e603145f02aba76663e9a.exe	83
PID 4468 wrote to memory of 2780	4468	c5d10a369d4e459f2577a9bfc8ad31573ffb76f6f81e603145f02aba76663e9a.exe	83
PID 2780 wrote to memory of 3288	2780	cmd.exe	85
PID 2780 wrote to memory of 3288	2780	cmd.exe	85
PID 2780 wrote to memory of 3288	2780	cmd.exe	85

C:\Users\Admin\AppData\Local\Temp\c5d10a369d4e459f2577a9bfc8ad31573ffb76f6f81e603145f02aba76663e9a.exe
"C:\Users\Admin\AppData\Local\Temp\c5d10a369d4e459f2577a9bfc8ad31573ffb76f6f81e603145f02aba76663e9a.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4468
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\WINDOWS\system32\pb1.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2780
- - C:\WINDOWS\SysWOW64\AD10.exe
    AD10.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    PID:3288

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\WINDOWS\SysWOW64\AD10.exe

Filesize
212KB

MD5
4ffaae9401f33ae9a9a1a5171804ab3c

SHA1
78541b6cd79a11ce3c0e083085f03975d0464e1a

SHA256
afcc90f3fafa43dc72b65ccd3e019fe4a5f803e1a724cff584b80a4e0c7c32a1

SHA512
733648b089a163be1f76d797533d0129b36c2ac7d5412d1b3d2020ae7fed4f1dfae2bef355eb70288ebe26993c9457679a8d42badc1174f758569be20304baec

Download Submit
C:\WINDOWS\SysWOW64\pb1.bat

Filesize
2KB

MD5
fb67430a2485c1b6dd50a8680bcd42ff

SHA1
1e95a061da8498b96c5618a281d915d51a743bc3

SHA256
d6358fbfcb66f15450b250562de52220ec5dc0dea6e9d7763e59c05caa96a548

SHA512
91d8ac7d776ca5d9c8e746f2c747e4af75a8d261baabbff14427b985f2aeee5214a4628571c07091ebbd5881b6f8090691532f076f63242e9ae5dc22a08dd701

Download Submit
C:\Windows\SysWOW64\AD10.exe

Filesize
212KB

MD5
4ffaae9401f33ae9a9a1a5171804ab3c

SHA1
78541b6cd79a11ce3c0e083085f03975d0464e1a

SHA256
afcc90f3fafa43dc72b65ccd3e019fe4a5f803e1a724cff584b80a4e0c7c32a1

SHA512
733648b089a163be1f76d797533d0129b36c2ac7d5412d1b3d2020ae7fed4f1dfae2bef355eb70288ebe26993c9457679a8d42badc1174f758569be20304baec

Download Submit