03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
03-10-2022 03:01

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General

Target

03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe
Size

136KB
MD5

59549df4e94b2ecb26962b69322992e6
SHA1

fd7fdc99c00eeefa5a6b5a7f4c01fc2db75b756b
SHA256

03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817
SHA512

f2d018a4df235e02f847a7d3cb5327b3ea964b395969abdf01a9a5f8c7e516451623655e359f2eea9475fdceab470fe5a89c115bd821d878573560e97ab809d6
SSDEEP

3072:C/86sXxWzlY0bSyg/Hd/+VS/V+t42JhreRsh4k2ecu:yL60BY0G9X/Itveg4k2U

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe

Executes dropped EXE 1 IoCs

pid	Process
940	ntcoin.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ntcoin.lnk	03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe

Loads dropped DLL 8 IoCs

pid	Process
1428	03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe
1428	03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe
1428	03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe
1020	WerFault.exe
1020	WerFault.exe
1020	WerFault.exe
1020	WerFault.exe
1020	WerFault.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\	03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntcoin = "C:\\Users\\Admin\\nioctn\\ntcoin.exe /k"	03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1764 set thread context of 1428	1764	03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe	26

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1020	940	WerFault.exe	27

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1428	03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1764	03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe
1428	03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe
940	ntcoin.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1764 wrote to memory of 1428	1764	03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe	26
PID 1764 wrote to memory of 1428	1764	03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe	26
PID 1764 wrote to memory of 1428	1764	03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe	26
PID 1764 wrote to memory of 1428	1764	03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe	26
PID 1764 wrote to memory of 1428	1764	03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe	26
PID 1764 wrote to memory of 1428	1764	03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe	26
PID 1764 wrote to memory of 1428	1764	03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe	26
PID 1764 wrote to memory of 1428	1764	03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe	26
PID 1764 wrote to memory of 1428	1764	03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe	26
PID 1764 wrote to memory of 1428	1764	03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe	26
PID 1428 wrote to memory of 940	1428	03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe	27
PID 1428 wrote to memory of 940	1428	03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe	27
PID 1428 wrote to memory of 940	1428	03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe	27
PID 1428 wrote to memory of 940	1428	03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe	27
PID 1428 wrote to memory of 1480	1428	03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe	28
PID 1428 wrote to memory of 1480	1428	03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe	28
PID 1428 wrote to memory of 1480	1428	03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe	28
PID 1428 wrote to memory of 1480	1428	03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe	28
PID 940 wrote to memory of 1020	940	ntcoin.exe	29
PID 940 wrote to memory of 1020	940	ntcoin.exe	29
PID 940 wrote to memory of 1020	940	ntcoin.exe	29
PID 940 wrote to memory of 1020	940	ntcoin.exe	29

C:\Users\Admin\AppData\Local\Temp\03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe
"C:\Users\Admin\AppData\Local\Temp\03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1764
- C:\Users\Admin\AppData\Local\Temp\03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe
  "C:\Users\Admin\AppData\Local\Temp\03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817.exe"71
  2⤵
  - Modifies visiblity of hidden/system files in Explorer
  - Drops startup file
  - Loads dropped DLL
  - Adds Run key to start application
  - Maps connected drives based on registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1428
- - C:\Users\Admin\nioctn\ntcoin.exe
    "C:\Users\Admin\nioctn\ntcoin.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:940
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 940 -s 212
      4⤵
      Loads dropped DLL
      Program crash
      PID:1020
- - C:\Windows\SysWOW64\PhotoScreensaver.scr
    "C:\Windows\System32\PhotoScreensaver.scr" /S
    3⤵
    PID:1480

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

T1158

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\nioctn\ntcoin.exe

Filesize
136KB

MD5
59549df4e94b2ecb26962b69322992e6

SHA1
fd7fdc99c00eeefa5a6b5a7f4c01fc2db75b756b

SHA256
03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817

SHA512
f2d018a4df235e02f847a7d3cb5327b3ea964b395969abdf01a9a5f8c7e516451623655e359f2eea9475fdceab470fe5a89c115bd821d878573560e97ab809d6

Download Submit
C:\Users\Admin\nioctn\ntcoin.exe

Filesize
136KB

MD5
59549df4e94b2ecb26962b69322992e6

SHA1
fd7fdc99c00eeefa5a6b5a7f4c01fc2db75b756b

SHA256
03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817

SHA512
f2d018a4df235e02f847a7d3cb5327b3ea964b395969abdf01a9a5f8c7e516451623655e359f2eea9475fdceab470fe5a89c115bd821d878573560e97ab809d6

Download Submit
\Users\Admin\nioctn\ntcoin.exe

Filesize
136KB

MD5
59549df4e94b2ecb26962b69322992e6

SHA1
fd7fdc99c00eeefa5a6b5a7f4c01fc2db75b756b

SHA256
03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817

SHA512
f2d018a4df235e02f847a7d3cb5327b3ea964b395969abdf01a9a5f8c7e516451623655e359f2eea9475fdceab470fe5a89c115bd821d878573560e97ab809d6

Download Submit
\Users\Admin\nioctn\ntcoin.exe

Filesize
136KB

MD5
59549df4e94b2ecb26962b69322992e6

SHA1
fd7fdc99c00eeefa5a6b5a7f4c01fc2db75b756b

SHA256
03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817

SHA512
f2d018a4df235e02f847a7d3cb5327b3ea964b395969abdf01a9a5f8c7e516451623655e359f2eea9475fdceab470fe5a89c115bd821d878573560e97ab809d6

Download Submit
\Users\Admin\nioctn\ntcoin.exe

Filesize
136KB

MD5
59549df4e94b2ecb26962b69322992e6

SHA1
fd7fdc99c00eeefa5a6b5a7f4c01fc2db75b756b

SHA256
03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817

SHA512
f2d018a4df235e02f847a7d3cb5327b3ea964b395969abdf01a9a5f8c7e516451623655e359f2eea9475fdceab470fe5a89c115bd821d878573560e97ab809d6

Download Submit
\Users\Admin\nioctn\ntcoin.exe

Filesize
136KB

MD5
59549df4e94b2ecb26962b69322992e6

SHA1
fd7fdc99c00eeefa5a6b5a7f4c01fc2db75b756b

SHA256
03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817

SHA512
f2d018a4df235e02f847a7d3cb5327b3ea964b395969abdf01a9a5f8c7e516451623655e359f2eea9475fdceab470fe5a89c115bd821d878573560e97ab809d6

Download Submit
\Users\Admin\nioctn\ntcoin.exe

Filesize
136KB

MD5
59549df4e94b2ecb26962b69322992e6

SHA1
fd7fdc99c00eeefa5a6b5a7f4c01fc2db75b756b

SHA256
03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817

SHA512
f2d018a4df235e02f847a7d3cb5327b3ea964b395969abdf01a9a5f8c7e516451623655e359f2eea9475fdceab470fe5a89c115bd821d878573560e97ab809d6

Download Submit
\Users\Admin\nioctn\ntcoin.exe

Filesize
136KB

MD5
59549df4e94b2ecb26962b69322992e6

SHA1
fd7fdc99c00eeefa5a6b5a7f4c01fc2db75b756b

SHA256
03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817

SHA512
f2d018a4df235e02f847a7d3cb5327b3ea964b395969abdf01a9a5f8c7e516451623655e359f2eea9475fdceab470fe5a89c115bd821d878573560e97ab809d6

Download Submit
\Users\Admin\nioctn\ntcoin.exe

Filesize
136KB

MD5
59549df4e94b2ecb26962b69322992e6

SHA1
fd7fdc99c00eeefa5a6b5a7f4c01fc2db75b756b

SHA256
03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817

SHA512
f2d018a4df235e02f847a7d3cb5327b3ea964b395969abdf01a9a5f8c7e516451623655e359f2eea9475fdceab470fe5a89c115bd821d878573560e97ab809d6

Download Submit
\Users\Admin\nioctn\ntcoin.exe

Filesize
136KB

MD5
59549df4e94b2ecb26962b69322992e6

SHA1
fd7fdc99c00eeefa5a6b5a7f4c01fc2db75b756b

SHA256
03a6801d5e9da9269313c81f3040a40f65d2c9c2879b0cc5547b3b011b179817

SHA512
f2d018a4df235e02f847a7d3cb5327b3ea964b395969abdf01a9a5f8c7e516451623655e359f2eea9475fdceab470fe5a89c115bd821d878573560e97ab809d6

Download Submit
memory/940-66-0x0000000000000000-mapping.dmp

Download
memory/1020-75-0x0000000000000000-mapping.dmp

Download
memory/1428-56-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1428-63-0x0000000075FC1000-0x0000000075FC3000-memory.dmp

Filesize
8KB

Download
memory/1428-62-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1428-59-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1428-57-0x00000000004010EC-mapping.dmp

Download
memory/1428-81-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1480-73-0x0000000000000000-mapping.dmp

Download