12bbd37a1d104d48dab231eb2ba24970ed7e04cb5cf7f8bf8dd86d0ee2fe94ab

General

Target

12bbd37a1d104d48dab231eb2ba24970ed7e04cb5cf7f8bf8dd86d0ee2fe94ab.exe
Size

764KB
MD5

ee387cfe47dae2dce528a50eff0ef099
SHA1

c763c190a8a01966764dbefa859573d4d8387374
SHA256

12bbd37a1d104d48dab231eb2ba24970ed7e04cb5cf7f8bf8dd86d0ee2fe94ab
SHA512

11c8ae1e270f82475d4f4fb4d82071669603c4259ffaf91d0642bfc158c21dc02c5ded66482bda61566ef3af1e2013924a331d92eae467768ea1c5efcb8e276e
SSDEEP

12288:ahkDgouVr2nxKkorvdRgQriDwOIxmxiZnYQE7PJc54arH7RwU2aPqfU:aRRJkcoQricOIQxiZY1barHFwU5PqM

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
576	Adobe.Reader.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
924	netsh.exe

Drops startup file 2 IoCs

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

Loads dropped DLL 4 IoCs

pid	Process
1140	12bbd37a1d104d48dab231eb2ba24970ed7e04cb5cf7f8bf8dd86d0ee2fe94ab.exe
1140	12bbd37a1d104d48dab231eb2ba24970ed7e04cb5cf7f8bf8dd86d0ee2fe94ab.exe
1140	12bbd37a1d104d48dab231eb2ba24970ed7e04cb5cf7f8bf8dd86d0ee2fe94ab.exe
1140	12bbd37a1d104d48dab231eb2ba24970ed7e04cb5cf7f8bf8dd86d0ee2fe94ab.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\Adobe.Reader.exe = "\"C:\\Users\\Admin\\AppData\\Roaming\\Adobe.Reader.exe\""	Adobe.Reader.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	Adobe.Reader.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Adobe.Reader.exe = "\"C:\\Users\\Admin\\AppData\\Roaming\\Adobe.Reader.exe\""	Adobe.Reader.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run	Adobe.Reader.exe

Enumerates connected drives 3 TTPs 24 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\n:	Adobe.Reader.exe
File opened (read-only)	\??\p:	Adobe.Reader.exe
File opened (read-only)	\??\r:	Adobe.Reader.exe
File opened (read-only)	\??\v:	Adobe.Reader.exe
File opened (read-only)	\??\w:	Adobe.Reader.exe
File opened (read-only)	\??\b:	Adobe.Reader.exe
File opened (read-only)	\??\i:	Adobe.Reader.exe
File opened (read-only)	\??\l:	Adobe.Reader.exe
File opened (read-only)	\??\m:	Adobe.Reader.exe
File opened (read-only)	\??\o:	Adobe.Reader.exe
File opened (read-only)	\??\t:	Adobe.Reader.exe
File opened (read-only)	\??\z:	Adobe.Reader.exe
File opened (read-only)	\??\e:	Adobe.Reader.exe
File opened (read-only)	\??\g:	Adobe.Reader.exe
File opened (read-only)	\??\k:	Adobe.Reader.exe
File opened (read-only)	\??\s:	Adobe.Reader.exe
File opened (read-only)	\??\u:	Adobe.Reader.exe
File opened (read-only)	\??\y:	Adobe.Reader.exe
File opened (read-only)	\??\a:	Adobe.Reader.exe
File opened (read-only)	\??\f:	Adobe.Reader.exe
File opened (read-only)	\??\h:	Adobe.Reader.exe
File opened (read-only)	\??\j:	Adobe.Reader.exe
File opened (read-only)	\??\q:	Adobe.Reader.exe
File opened (read-only)	\??\x:	Adobe.Reader.exe

AutoIT Executable 6 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x0009000000012696-55.dat	autoit_exe
behavioral1/files/0x0009000000012696-56.dat	autoit_exe
behavioral1/files/0x0009000000012696-57.dat	autoit_exe
behavioral1/files/0x0009000000012696-58.dat	autoit_exe
behavioral1/files/0x0009000000012696-60.dat	autoit_exe
behavioral1/files/0x0009000000012696-62.dat	autoit_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 WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1140 wrote to memory of 576	1140	12bbd37a1d104d48dab231eb2ba24970ed7e04cb5cf7f8bf8dd86d0ee2fe94ab.exe	28
PID 1140 wrote to memory of 576	1140	12bbd37a1d104d48dab231eb2ba24970ed7e04cb5cf7f8bf8dd86d0ee2fe94ab.exe	28
PID 1140 wrote to memory of 576	1140	12bbd37a1d104d48dab231eb2ba24970ed7e04cb5cf7f8bf8dd86d0ee2fe94ab.exe	28
PID 1140 wrote to memory of 576	1140	12bbd37a1d104d48dab231eb2ba24970ed7e04cb5cf7f8bf8dd86d0ee2fe94ab.exe	28
PID 576 wrote to memory of 924	576	Adobe.Reader.exe	29
PID 576 wrote to memory of 924	576	Adobe.Reader.exe	29
PID 576 wrote to memory of 924	576	Adobe.Reader.exe	29
PID 576 wrote to memory of 924	576	Adobe.Reader.exe	29

C:\Users\Admin\AppData\Local\Temp\12bbd37a1d104d48dab231eb2ba24970ed7e04cb5cf7f8bf8dd86d0ee2fe94ab.exe
"C:\Users\Admin\AppData\Local\Temp\12bbd37a1d104d48dab231eb2ba24970ed7e04cb5cf7f8bf8dd86d0ee2fe94ab.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1140
- C:\Users\Admin\AppData\Roaming\Adobe.Reader.exe
  "C:\Users\Admin\AppData\Roaming\Adobe.Reader.exe" "del" C:\Users\Admin\AppData\Local\Temp\12bbd37a1d104d48dab231eb2ba24970ed7e04cb5cf7f8bf8dd86d0ee2fe94ab.exe
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Enumerates connected drives
  - Suspicious use of WriteProcessMemory
  PID:576
- - C:\Windows\SysWOW64\netsh.exe
    "C:\Windows\System32\netsh.exe" firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Adobe.Reader.exe" "Adobe.Reader.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:924

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

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe.Reader.exe

Filesize
764KB

MD5
ee387cfe47dae2dce528a50eff0ef099

SHA1
c763c190a8a01966764dbefa859573d4d8387374

SHA256
12bbd37a1d104d48dab231eb2ba24970ed7e04cb5cf7f8bf8dd86d0ee2fe94ab

SHA512
11c8ae1e270f82475d4f4fb4d82071669603c4259ffaf91d0642bfc158c21dc02c5ded66482bda61566ef3af1e2013924a331d92eae467768ea1c5efcb8e276e

Download Submit
C:\Users\Admin\AppData\Roaming\Adobe.Reader.exe

Filesize
764KB

MD5
ee387cfe47dae2dce528a50eff0ef099

SHA1
c763c190a8a01966764dbefa859573d4d8387374

SHA256
12bbd37a1d104d48dab231eb2ba24970ed7e04cb5cf7f8bf8dd86d0ee2fe94ab

SHA512
11c8ae1e270f82475d4f4fb4d82071669603c4259ffaf91d0642bfc158c21dc02c5ded66482bda61566ef3af1e2013924a331d92eae467768ea1c5efcb8e276e

Download Submit
C:\Users\Admin\AppData\Roaming\Adobe.Reader.exe.ini

Filesize
11B

MD5
301a3e5a5c08c60b2952122a97e1a838

SHA1
c85da2ebd9e1098eed686b8c74016bee728bb942

SHA256
89886e624db56b7f7e7a0a857fc7e63ebfffe9eb69b329489b79dd0a3e24f7fa

SHA512
ce1dcdad347d6c8e6a798b915f8a8d8ac1be4851c0064ab62e80aa85103a472f402b688e94950099a812db1134917fe9d51a7dfa0504e0174e94acdad8ee34d9

Download Submit
\Users\Admin\AppData\Roaming\Adobe.Reader.exe

Filesize
764KB

MD5
ee387cfe47dae2dce528a50eff0ef099

SHA1
c763c190a8a01966764dbefa859573d4d8387374

SHA256
12bbd37a1d104d48dab231eb2ba24970ed7e04cb5cf7f8bf8dd86d0ee2fe94ab

SHA512
11c8ae1e270f82475d4f4fb4d82071669603c4259ffaf91d0642bfc158c21dc02c5ded66482bda61566ef3af1e2013924a331d92eae467768ea1c5efcb8e276e

Download Submit
\Users\Admin\AppData\Roaming\Adobe.Reader.exe

Filesize
764KB

MD5
ee387cfe47dae2dce528a50eff0ef099

SHA1
c763c190a8a01966764dbefa859573d4d8387374

SHA256
12bbd37a1d104d48dab231eb2ba24970ed7e04cb5cf7f8bf8dd86d0ee2fe94ab

SHA512
11c8ae1e270f82475d4f4fb4d82071669603c4259ffaf91d0642bfc158c21dc02c5ded66482bda61566ef3af1e2013924a331d92eae467768ea1c5efcb8e276e

Download Submit
\Users\Admin\AppData\Roaming\Adobe.Reader.exe

Filesize
764KB

MD5
ee387cfe47dae2dce528a50eff0ef099

SHA1
c763c190a8a01966764dbefa859573d4d8387374

SHA256
12bbd37a1d104d48dab231eb2ba24970ed7e04cb5cf7f8bf8dd86d0ee2fe94ab

SHA512
11c8ae1e270f82475d4f4fb4d82071669603c4259ffaf91d0642bfc158c21dc02c5ded66482bda61566ef3af1e2013924a331d92eae467768ea1c5efcb8e276e

Download Submit
\Users\Admin\AppData\Roaming\Adobe.Reader.exe

Filesize
764KB

MD5
ee387cfe47dae2dce528a50eff0ef099

SHA1
c763c190a8a01966764dbefa859573d4d8387374

SHA256
12bbd37a1d104d48dab231eb2ba24970ed7e04cb5cf7f8bf8dd86d0ee2fe94ab

SHA512
11c8ae1e270f82475d4f4fb4d82071669603c4259ffaf91d0642bfc158c21dc02c5ded66482bda61566ef3af1e2013924a331d92eae467768ea1c5efcb8e276e

Download Submit
memory/1140-54-0x0000000074DE1000-0x0000000074DE3000-memory.dmp

Filesize
8KB

Download

Analysis

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