stealc | ae3ae0f5f9d8e2911a2e7feecf26e9567ca3f4fe8a9b6c9d7f350c2db6e6e1eb

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24/09/2024, 20:24

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General

Target
SecuriteInfo.com.Win32.BotX-gen.15571.29489.exe
Size 359KB
Sample240924-y6pa3stdln
SHA256 ae3ae0f5f9d8e2911a2e7feecf26e9567ca3f4fe8a9b6c9d7f350c2db6e6e1eb
MD5 e2b0e31c9c976c6e6abbe7d82ea6c629
SHA1 872b2f5e29480c4a779d7a098279582766b08d29
SHA512 ba2772cb186dff10689b8398ffece622e387beeb9029d2d92c79e98f0671afb5a455952335d66fb9f14100e9611e1b7f728a91201ba4345d184dc0868961abd0
SSDEEP 6144:sLU7fB5Yy7d6fEM9GAtYEgw+0HEVlzIhsPFYc5PR:s47nPd6v9taEj+0kVlzIGNR
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

stealc default3_cap credential_access discovery spyware stealer

Malware Config

Extracted

Family

stealc

Botnet

default3_cap

http://62.204.41.159

Attributes

url_path
/edd20096ecef326d.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
2044	DocumentsFHCGCFHDHI.exe

Loads dropped DLL 3 IoCs

pid	Process
2328	SecuriteInfo.com.Win32.BotX-gen.15571.29489.exe
2328	SecuriteInfo.com.Win32.BotX-gen.15571.29489.exe
2580	cmd.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
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).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SecuriteInfo.com.Win32.BotX-gen.15571.29489.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DocumentsFHCGCFHDHI.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1700	cmd.exe
2760	PING.EXE

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	SecuriteInfo.com.Win32.BotX-gen.15571.29489.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	SecuriteInfo.com.Win32.BotX-gen.15571.29489.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2760	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2328	SecuriteInfo.com.Win32.BotX-gen.15571.29489.exe
2328	SecuriteInfo.com.Win32.BotX-gen.15571.29489.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2580	2328	SecuriteInfo.com.Win32.BotX-gen.15571.29489.exe	32
PID 2328 wrote to memory of 2580	2328	SecuriteInfo.com.Win32.BotX-gen.15571.29489.exe	32
PID 2328 wrote to memory of 2580	2328	SecuriteInfo.com.Win32.BotX-gen.15571.29489.exe	32
PID 2328 wrote to memory of 2580	2328	SecuriteInfo.com.Win32.BotX-gen.15571.29489.exe	32
PID 2580 wrote to memory of 2044	2580	cmd.exe	34
PID 2580 wrote to memory of 2044	2580	cmd.exe	34
PID 2580 wrote to memory of 2044	2580	cmd.exe	34
PID 2580 wrote to memory of 2044	2580	cmd.exe	34
PID 2580 wrote to memory of 2044	2580	cmd.exe	34
PID 2580 wrote to memory of 2044	2580	cmd.exe	34
PID 2580 wrote to memory of 2044	2580	cmd.exe	34
PID 2044 wrote to memory of 1700	2044	DocumentsFHCGCFHDHI.exe	35
PID 2044 wrote to memory of 1700	2044	DocumentsFHCGCFHDHI.exe	35
PID 2044 wrote to memory of 1700	2044	DocumentsFHCGCFHDHI.exe	35
PID 2044 wrote to memory of 1700	2044	DocumentsFHCGCFHDHI.exe	35
PID 1700 wrote to memory of 2760	1700	cmd.exe	37
PID 1700 wrote to memory of 2760	1700	cmd.exe	37
PID 1700 wrote to memory of 2760	1700	cmd.exe	37
PID 1700 wrote to memory of 2760	1700	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.BotX-gen.15571.29489.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.BotX-gen.15571.29489.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\DocumentsFHCGCFHDHI.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2580
- - C:\Users\Admin\DocumentsFHCGCFHDHI.exe
    "C:\Users\Admin\DocumentsFHCGCFHDHI.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2044
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C ping 2.2.2.2 -n 1 -w 3000 > Nul & Del C:\Users\Admin\DocumentsFHCGCFHDHI.exe
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Suspicious use of WriteProcessMemory
      PID:1700
    - - C:\Windows\SysWOW64\PING.EXE
        
        ping 2.2.2.2 -n 1 -w 3000
        5⤵
        System Location Discovery: System Language Discovery
        System Network Configuration Discovery: Internet Connection Discovery
        Runs ping.exe
        
        PID:2760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

EnableConvertFrom.docx

Path C:\ProgramData\EnableConvertFrom.docx
Size 20KB
SHA256 fc5e2c5de7cda2f8f0764ff8fbba01f685d705405985eb8a6bda9620d825d6e3
MD5 f93f8626e1b931257238785a6148cd9d
SHA1 c1020597b4b71f4f9efd2a892711b07fa73a9981
SHA512 a7edaf27d0a2dac9373c35b59d2b3fbba6daabeee882bc40becdea55d043d76c9447c1beb7b78e62d17309bd3084331a1de847beef814865ffb393a6e2e781aa
SSDEEP 384:TDCXYy/pepPDxz0c3XlLX3G2HNIZgjm5jbWZFG6F7//oOMAiO2b:Tty/peprxz0cnBnjN0gMAAb
MD5 SHA1 SHA512 SSDEEP

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RegisterRevoke.xlsx

Path C:\ProgramData\RegisterRevoke.xlsx
Size 13KB
SHA256 d410d5b0fb9df3f53a59c3813b7c2702a82ba5f3d5b5f427785b3839d1500407
MD5 9cd07de04b17b9953c1890fe1526f8dc
SHA1 9cdd5b8cbe73a3346c8fd2f1cfcb386b845b63d8
SHA512 08eb47b46eb6f5c3102c3e5e4a555ebf127fd30fe247a11405d1fa2337e6d4769566aedf9f9d33e3caac1b984514eed581ccceed5ebaab7084608189840abe51
SSDEEP 192:fA9uQ59vTKMHFEBP6pIMTvbOsWr7FXD96kRnIsyDtO+YiyewkpPkyLngDFg:k5lWrBP+TvfGV5C1/ZyngPbcZg
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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DocumentsFHCGCFHDHI.exe

Path \Users\Admin\DocumentsFHCGCFHDHI.exe
Size 17KB
SHA256 de7ceb041799349b1fca65b06865087b37f488d0dceb744056d0ba5152551c07
MD5 c52e326b3e71b7930cf6b314d1fa1cff
SHA1 990b9e596948ab2423d005c7633591cffee7436f
SHA512 afbf73d7e879f0454d19e7716eb4e0daf7be24879b25ac409c0c075bf2dff22c74e3d8eae2143aa531b1b24244df829e9102565123d42357bf940723f8c76a86
SSDEEP 384:T7EJOks16i6Ngh444Of3F0TnbrdtbM9EZMVx4VRE:0k51p6S/46FYnbLMTUr
MD5 SHA1 SHA512 SSDEEP

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memory/2044-74-0x0000000072F20000-0x000000007360E000-memory.dmp

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memory/2044-72-0x0000000000AB0000-0x0000000000ABA000-memory.dmp

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memory/2044-106-0x0000000072F20000-0x000000007360E000-memory.dmp

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memory/2044-71-0x0000000072F2E000-0x0000000072F2F000-memory.dmp

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memory/2328-1-0x0000000000790000-0x0000000000890000-memory.dmp

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memory/2328-70-0x0000000000220000-0x000000000026E000-memory.dmp

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memory/2328-73-0x0000000000400000-0x0000000000661000-memory.dmp

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memory/2328-42-0x0000000000790000-0x0000000000890000-memory.dmp

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memory/2328-86-0x0000000000400000-0x0000000000661000-memory.dmp

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memory/2328-3-0x0000000000400000-0x0000000000661000-memory.dmp

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memory/2328-2-0x0000000000220000-0x000000000026E000-memory.dmp

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memory/2328-104-0x0000000000400000-0x0000000000661000-memory.dmp

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memory/2328-105-0x0000000000790000-0x0000000000890000-memory.dmp

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memory/2328-4-0x0000000061E00000-0x0000000061EF3000-memory.dmp

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