8d5889f08fd955603a3a5d0a74861feef799cc7d0b8d57dfa68c1be7ac9fb42a

Analysis

max time kernel
83s
max time network
136s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
10/02/2023, 11:31

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General

Target
file.exe
Size 358KB
Sample230210-nmp36aeb44
SHA256 8d5889f08fd955603a3a5d0a74861feef799cc7d0b8d57dfa68c1be7ac9fb42a
MD5 60c870dd74d374b614492f0980725060
SHA1 b647bf9129e219b3bf8b26622c1ae900dea6f661
SHA512 5ab4c73d17bb6b46606eef9c3b85aeb6721d9d9e5ca34c1090e922818ec538d536830112015f6f500a7523c3e38985e7ebd877125ed2a394cfbf724a9be73f17
SSDEEP 6144:ovSYazFalpk8uwoe7A0pzm2ZbnfWyJA/:oax2pTPpTnfW3/
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

discovery persistence spyware stealer

Malware Config

Signatures

Downloads MZ/PE file

Deletes itself 1 IoCs

pid	Process
1212	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
1396	FCAFIJJJKE.exe
1436	ntlhost.exe

Loads dropped DLL 6 IoCs

pid	Process
788	file.exe
788	file.exe
1280	cmd.exe
1280	cmd.exe
1396	FCAFIJJJKE.exe
1396	FCAFIJJJKE.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe"	FCAFIJJJKE.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	file.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1540	timeout.exe

GoLang User-Agent 1 IoCs

Uses default user-agent string defined by GoLang HTTP packages.

description	flow	ioc
HTTP User-Agent header	24	Go-http-client/1.1

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
788	file.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 788 wrote to memory of 1280	788	file.exe	28
PID 788 wrote to memory of 1280	788	file.exe	28
PID 788 wrote to memory of 1280	788	file.exe	28
PID 788 wrote to memory of 1280	788	file.exe	28
PID 788 wrote to memory of 1212	788	file.exe	30
PID 788 wrote to memory of 1212	788	file.exe	30
PID 788 wrote to memory of 1212	788	file.exe	30
PID 788 wrote to memory of 1212	788	file.exe	30
PID 1212 wrote to memory of 1540	1212	cmd.exe	32
PID 1212 wrote to memory of 1540	1212	cmd.exe	32
PID 1212 wrote to memory of 1540	1212	cmd.exe	32
PID 1212 wrote to memory of 1540	1212	cmd.exe	32
PID 1280 wrote to memory of 1396	1280	cmd.exe	33
PID 1280 wrote to memory of 1396	1280	cmd.exe	33
PID 1280 wrote to memory of 1396	1280	cmd.exe	33
PID 1280 wrote to memory of 1396	1280	cmd.exe	33
PID 1396 wrote to memory of 1436	1396	FCAFIJJJKE.exe	34
PID 1396 wrote to memory of 1436	1396	FCAFIJJJKE.exe	34
PID 1396 wrote to memory of 1436	1396	FCAFIJJJKE.exe	34
PID 1396 wrote to memory of 1436	1396	FCAFIJJJKE.exe	34

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:788
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\FCAFIJJJKE.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1280
- - C:\Users\Admin\AppData\Local\Temp\FCAFIJJJKE.exe
    "C:\Users\Admin\AppData\Local\Temp\FCAFIJJJKE.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:1396
  - - C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
      C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
      4⤵
      Executes dropped EXE
      PID:1436
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\file.exe" & del "C:\ProgramData\*.dll"" & exit
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1212
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 5
    3⤵
    - Delays execution with timeout.exe
    PID:1540

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

FCAFIJJJKE.exe

Path C:\Users\Admin\AppData\Local\Temp\FCAFIJJJKE.exe
Size 1.9MB
SHA256 8c82292ebffa8d66161d187b3edff59c6556ac598f81cf1bf319ca0e27981a8d
MD5 4f1dfbe85213df6329b7cb79bbf0cb97
SHA1 02019de78f42aff4451717eaa122989ce06ddc06
SHA512 5dc6c7427ca777effd03617d2f6e4f7c06f34d3a5a0bae534f9618f4e7f67376eb50782ed9c21f6d1f11b8863fb9e8c9e975fe1da740c3328ffdd1034bcbb48b
SSDEEP 24576:fQ8ql9uAnBsuFxLNTyZvzZLPnbkmp9w1svlmhpolORsgTgHmN0ePxqgHnfWc/:fRqlgAyaLCLZLysvlzOCqgHmdxqgHT
MD5 SHA1 SHA512 SSDEEP

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FCAFIJJJKE.exe

Path C:\Users\Admin\AppData\Local\Temp\FCAFIJJJKE.exe
Size 1.9MB
SHA256 8c82292ebffa8d66161d187b3edff59c6556ac598f81cf1bf319ca0e27981a8d
MD5 4f1dfbe85213df6329b7cb79bbf0cb97
SHA1 02019de78f42aff4451717eaa122989ce06ddc06
SHA512 5dc6c7427ca777effd03617d2f6e4f7c06f34d3a5a0bae534f9618f4e7f67376eb50782ed9c21f6d1f11b8863fb9e8c9e975fe1da740c3328ffdd1034bcbb48b
SSDEEP 24576:fQ8ql9uAnBsuFxLNTyZvzZLPnbkmp9w1svlmhpolORsgTgHmN0ePxqgHnfWc/:fRqlgAyaLCLZLysvlzOCqgHmdxqgHT
MD5 SHA1 SHA512 SSDEEP

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ntlhost.exe

Path C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
Size 333.0MB
SHA256 b327e6b9ed348ca3d50b95393b4406a2c2d84fee0b77786f804a1c2d07d288df
MD5 6937788bfc540c61cabfa29fa6defad8
SHA1 ab1f7ab77d0da5fbe71e742e6377ceed5706c060
SHA512 f3f98d1d651ae1cc13147c4086eb7f51bb4650bc155562ebe9b4c4c187f064038915e15e1fbcc3194301c7da092ecc766839829e34a8f2a2d42a5d05440fe916
SSDEEP 6291456:kHBfK/2RVerEu6s0Hiby3tXEFjKrqLDOHrEhK4qUZwVRD5ZaZQUa0XAE8l+7QoC/:yPxB5Hib+eDOLEhKIgRD5CQyQE5EopJ8
MD5 SHA1 SHA512 SSDEEP

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mozglue.dll

Path \ProgramData\mozglue.dll
Size 593KB
SHA256 ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
MD5 c8fd9be83bc728cc04beffafc2907fe9
SHA1 95ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA512 fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
SSDEEP 12288:BlSyAom/gcRKMdRm4wFkRHuyG4RRGJVDjMk/x21R8gY/r:BKgcRKMdRm4wFkVVDGJVv//x21R8br
MD5 SHA1 SHA512 SSDEEP

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nss3.dll

Path \ProgramData\nss3.dll
Size 2.0MB
SHA256 ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
MD5 1cc453cdf74f31e4d913ff9c10acdde2
SHA1 6e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA512 dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
SSDEEP 49152:fECf12gikHlnKGxJRIB+y5nvxnaOSJ3HFNWYrVvE4CQsgzMmQfTU1NrWmy4KoAzh:J7Tf8J1Q+SS5/nr
MD5 SHA1 SHA512 SSDEEP

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FCAFIJJJKE.exe

Path \Users\Admin\AppData\Local\Temp\FCAFIJJJKE.exe
Size 1.9MB
SHA256 8c82292ebffa8d66161d187b3edff59c6556ac598f81cf1bf319ca0e27981a8d
MD5 4f1dfbe85213df6329b7cb79bbf0cb97
SHA1 02019de78f42aff4451717eaa122989ce06ddc06
SHA512 5dc6c7427ca777effd03617d2f6e4f7c06f34d3a5a0bae534f9618f4e7f67376eb50782ed9c21f6d1f11b8863fb9e8c9e975fe1da740c3328ffdd1034bcbb48b
SSDEEP 24576:fQ8ql9uAnBsuFxLNTyZvzZLPnbkmp9w1svlmhpolORsgTgHmN0ePxqgHnfWc/:fRqlgAyaLCLZLysvlzOCqgHmdxqgHT
MD5 SHA1 SHA512 SSDEEP

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FCAFIJJJKE.exe

Path \Users\Admin\AppData\Local\Temp\FCAFIJJJKE.exe
Size 1.9MB
SHA256 8c82292ebffa8d66161d187b3edff59c6556ac598f81cf1bf319ca0e27981a8d
MD5 4f1dfbe85213df6329b7cb79bbf0cb97
SHA1 02019de78f42aff4451717eaa122989ce06ddc06
SHA512 5dc6c7427ca777effd03617d2f6e4f7c06f34d3a5a0bae534f9618f4e7f67376eb50782ed9c21f6d1f11b8863fb9e8c9e975fe1da740c3328ffdd1034bcbb48b
SSDEEP 24576:fQ8ql9uAnBsuFxLNTyZvzZLPnbkmp9w1svlmhpolORsgTgHmN0ePxqgHnfWc/:fRqlgAyaLCLZLysvlzOCqgHmdxqgHT
MD5 SHA1 SHA512 SSDEEP

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ntlhost.exe

Path \Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
Size 320.6MB
SHA256 fd61b7fb184c98d3f0d98f89a2a958cb211ba93761f110da16561822d57966b8
MD5 c901570062e2358d06d9e79240a3bc59
SHA1 c428de6aceee98054943178754693517cabe5768
SHA512 37b062ef8ef199f92735a52bdeb9f1b75e20350e6498f9946f3b8500c93dcfcde95f0921e92c2e6e4e1c8823f723986e55774cfb7d0ddd7e078d58c48889b764
SSDEEP 6291456:kHBfK/2RVerEu6s0Hiby3tXEFjKrqLDOHrEhK4qUZwVRD5ZaZQUa0XAE8l+7QoCW:yPxB5Hib+eDOLEhKIgRD5CQyQE5Eopr
MD5 SHA1 SHA512 SSDEEP

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ntlhost.exe

Path \Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
Size 327.0MB
SHA256 53d97637e20fbf424f969c4fb9d348d40c736a759c644fb601b5134fc27261a4
MD5 7a2447245f32ba12b17ea015a52accbb
SHA1 04159b895c6da2822bca571371d06cb25a21b0a8
SHA512 a65b647f25001fa7f9627781d93c18da61058b0ec08a81a3e3f52d5012cf8d9bab742b4d029d7edfc1df70b39f0f68265489e4ab5d829312e527944a135b1ef4
SSDEEP 6291456:kHBfK/2RVerEu6s0Hiby3tXEFjKrqLDOHrEhK4qUZwVRD5ZaZQUa0XAE8l+7QoCc:yPxB5Hib+eDOLEhKIgRD5CQyQE5EopJL
MD5 SHA1 SHA512 SSDEEP

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memory/788-78-0x0000000000400000-0x0000000000628000-memory.dmp

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memory/788-81-0x000000000078D000-0x00000000007A3000-memory.dmp

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memory/788-82-0x0000000000400000-0x0000000000628000-memory.dmp

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memory/788-55-0x000000000078D000-0x00000000007A3000-memory.dmp

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memory/788-56-0x0000000000220000-0x0000000000235000-memory.dmp

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memory/788-54-0x0000000076681000-0x0000000076683000-memory.dmp

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memory/788-58-0x0000000061E00000-0x0000000061EF3000-memory.dmp

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memory/788-57-0x0000000000400000-0x0000000000628000-memory.dmp

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memory/1396-91-0x0000000002240000-0x0000000002610000-memory.dmp

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memory/1396-92-0x0000000000400000-0x0000000000803000-memory.dmp

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memory/1396-90-0x0000000002050000-0x00000000021FA000-memory.dmp

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memory/1396-89-0x0000000002050000-0x00000000021FA000-memory.dmp

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memory/1396-98-0x0000000000400000-0x0000000000803000-memory.dmp

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memory/1436-97-0x00000000022A0000-0x000000000244A000-memory.dmp

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memory/1436-99-0x00000000022A0000-0x000000000244A000-memory.dmp

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memory/1436-100-0x0000000000400000-0x0000000000803000-memory.dmp

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memory/1436-101-0x0000000000400000-0x0000000000803000-memory.dmp

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