stealc | 79687ef32097ae98d2d577f0d362ffed81fd058212a210a8ffa371d7fc1be4f0

General

Target

79687ef32097ae98d2d577f0d362ffed81fd058212a210a8ffa371d7fc1be4f0.exe
Size

443KB
MD5

14f08bd33d03c8c7fcc198cb30dc29f6
SHA1

5f3bc9b11d0d629a8b5be0f0f4ae0ae640d49463
SHA256

79687ef32097ae98d2d577f0d362ffed81fd058212a210a8ffa371d7fc1be4f0
SHA512

82f6f076ab818f8cc6ca22620977f837bb3c64699f5d2f6acbe1da37fee9ebc9eea44bb76ea9205284df5cb27123acb69168b6bf286b50c55168c285709db847
SSDEEP

6144:Cvk5/0UUS0436oerlk7DWpnocMbqj6m8Vo/DaZEjy6BbO42T8:550UA43FN7+ocMbUT8anNO4O

Score

10^/10

stealc default5_pal credential_access discovery spyware stealer

Malware Config

Extracted

Family

stealc

Botnet

default5_pal

C2

http://62.122.184.144

Attributes

url_path
/f88d87a7e087e100.php

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
2776	LocalJDGIIDHJEB.exe

Loads dropped DLL 3 IoCs

pid	Process
2136	79687ef32097ae98d2d577f0d362ffed81fd058212a210a8ffa371d7fc1be4f0.exe
2136	79687ef32097ae98d2d577f0d362ffed81fd058212a210a8ffa371d7fc1be4f0.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	79687ef32097ae98d2d577f0d362ffed81fd058212a210a8ffa371d7fc1be4f0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	LocalJDGIIDHJEB.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
2944	cmd.exe
2404	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	79687ef32097ae98d2d577f0d362ffed81fd058212a210a8ffa371d7fc1be4f0.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	79687ef32097ae98d2d577f0d362ffed81fd058212a210a8ffa371d7fc1be4f0.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2404	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2136	79687ef32097ae98d2d577f0d362ffed81fd058212a210a8ffa371d7fc1be4f0.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 2580	2136	79687ef32097ae98d2d577f0d362ffed81fd058212a210a8ffa371d7fc1be4f0.exe	32
PID 2136 wrote to memory of 2580	2136	79687ef32097ae98d2d577f0d362ffed81fd058212a210a8ffa371d7fc1be4f0.exe	32
PID 2136 wrote to memory of 2580	2136	79687ef32097ae98d2d577f0d362ffed81fd058212a210a8ffa371d7fc1be4f0.exe	32
PID 2136 wrote to memory of 2580	2136	79687ef32097ae98d2d577f0d362ffed81fd058212a210a8ffa371d7fc1be4f0.exe	32
PID 2580 wrote to memory of 2776	2580	cmd.exe	34
PID 2580 wrote to memory of 2776	2580	cmd.exe	34
PID 2580 wrote to memory of 2776	2580	cmd.exe	34
PID 2580 wrote to memory of 2776	2580	cmd.exe	34
PID 2580 wrote to memory of 2776	2580	cmd.exe	34
PID 2580 wrote to memory of 2776	2580	cmd.exe	34
PID 2580 wrote to memory of 2776	2580	cmd.exe	34
PID 2776 wrote to memory of 2944	2776	LocalJDGIIDHJEB.exe	35
PID 2776 wrote to memory of 2944	2776	LocalJDGIIDHJEB.exe	35
PID 2776 wrote to memory of 2944	2776	LocalJDGIIDHJEB.exe	35
PID 2776 wrote to memory of 2944	2776	LocalJDGIIDHJEB.exe	35
PID 2944 wrote to memory of 2404	2944	cmd.exe	37
PID 2944 wrote to memory of 2404	2944	cmd.exe	37
PID 2944 wrote to memory of 2404	2944	cmd.exe	37
PID 2944 wrote to memory of 2404	2944	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\79687ef32097ae98d2d577f0d362ffed81fd058212a210a8ffa371d7fc1be4f0.exe
"C:\Users\Admin\AppData\Local\Temp\79687ef32097ae98d2d577f0d362ffed81fd058212a210a8ffa371d7fc1be4f0.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\LocalJDGIIDHJEB.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2580
- - C:\Users\Admin\AppData\LocalJDGIIDHJEB.exe
    "C:\Users\Admin\AppData\LocalJDGIIDHJEB.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2776
  - - 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\AppData\LocalJDGIIDHJEB.exe
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Suspicious use of WriteProcessMemory
      PID:2944
    - - 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:2404

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

4

T1552

Credentials In Files

4

T1552.001

Discovery

Query Registry

2

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\CompareUse.xlsx

Filesize
9KB

MD5
4cf680eb42227adddba5aa12bf49dc61

SHA1
92b7ad282f274d6cffae69f4114b0b59a982fb93

SHA256
406af3b0df152b478232c390e9b8992453d1850afa087df48cc52cd6e9e42526

SHA512
3dd4528188596a774c0bc3472b74e0c94910a4efb54e0897ab47bfa37fee37992c9f80bb08a58acd5e981548c2a3dcf28d316efbe1591df780a46a0687dbc0a0

Download Submit
C:\ProgramData\ShowConvertFrom.docx

Filesize
16KB

MD5
45337d0fe81400542c56a3533a44f3c4

SHA1
97f7de7d9a12338057fabad9a80b99d6894bcfed

SHA256
bf867a4ba58ba694a0ffec8aa92c0b1ac91823c247ffb75ff4c68a68ffbf27f4

SHA512
6216958692ae0effdcc7e087561900dfb7b1e9618a02533e46fde90aed445e925aeff757b2078e531c1b3a1b9fae219ba9108c4089f06f8cb15b060ce5773c21

Download Submit
C:\Users\Admin\AppData\LocalJDGIIDHJEB.exe

Filesize
17KB

MD5
c52e326b3e71b7930cf6b314d1fa1cff

SHA1
990b9e596948ab2423d005c7633591cffee7436f

SHA256
de7ceb041799349b1fca65b06865087b37f488d0dceb744056d0ba5152551c07

SHA512
afbf73d7e879f0454d19e7716eb4e0daf7be24879b25ac409c0c075bf2dff22c74e3d8eae2143aa531b1b24244df829e9102565123d42357bf940723f8c76a86

Download Submit
\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/2136-2-0x00000000002E0000-0x000000000032E000-memory.dmp

Filesize
312KB

Download
memory/2136-48-0x00000000006F0000-0x00000000007F0000-memory.dmp

Filesize
1024KB

Download
memory/2136-80-0x00000000002E0000-0x000000000032E000-memory.dmp

Filesize
312KB

Download
memory/2136-3-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2136-4-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2136-91-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2136-90-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2136-1-0x00000000006F0000-0x00000000007F0000-memory.dmp

Filesize
1024KB

Download
memory/2136-99-0x00000000006F0000-0x00000000007F0000-memory.dmp

Filesize
1024KB

Download
memory/2136-100-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/2776-98-0x0000000001220000-0x000000000122A000-memory.dmp

Filesize
40KB

Download

Analysis

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