stealc | 5c6cd0cac67263505dc9944019895b50cab029ef655228e8294966dbc2590e35

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
13-03-2024 00:48

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General

Target

5c6cd0cac67263505dc9944019895b50cab029ef655228e8294966dbc2590e35.exe
Size

328KB
MD5

b8275392b74d049b7e66ed9d8bd81117
SHA1

c18914ddbe07649e9f61dad77ca491d66a830dfb
SHA256

5c6cd0cac67263505dc9944019895b50cab029ef655228e8294966dbc2590e35
SHA512

c4fdb96b31cd8eee3b5741b0a9ae9d13e05402f93a7113c372e42c22fee82827b3305afc573093c769da638214eac7ae94d6392ee4fd0a034fc1331e4c9cebd7
SSDEEP

3072:yg7lMmqtYWfOn2qGILq2ynQHTfjhOpm91ktkIJUykQ0LuDjvSeBM/NdvEl2BdrmI:77hqGWmnUYyK46IJ7kbGO73v/dWEX93

Score

10^/10

stealc discovery persistence spyware stealer upx

Malware Config

Extracted

Family

stealc

http://185.172.128.145

Attributes

url_path
/3cd2b41cbde8fc9c.php

Signatures

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

Executes dropped EXE 3 IoCs

pid	Process
2508	u230.0.exe
2528	u230.1.exe
3056	GHIDGDHCGC.exe

Loads dropped DLL 11 IoCs

pid	Process
2700	5c6cd0cac67263505dc9944019895b50cab029ef655228e8294966dbc2590e35.exe
2700	5c6cd0cac67263505dc9944019895b50cab029ef655228e8294966dbc2590e35.exe
2700	5c6cd0cac67263505dc9944019895b50cab029ef655228e8294966dbc2590e35.exe
2700	5c6cd0cac67263505dc9944019895b50cab029ef655228e8294966dbc2590e35.exe
2700	5c6cd0cac67263505dc9944019895b50cab029ef655228e8294966dbc2590e35.exe
2700	5c6cd0cac67263505dc9944019895b50cab029ef655228e8294966dbc2590e35.exe
2700	5c6cd0cac67263505dc9944019895b50cab029ef655228e8294966dbc2590e35.exe
2700	5c6cd0cac67263505dc9944019895b50cab029ef655228e8294966dbc2590e35.exe
2508	u230.0.exe
2508	u230.0.exe
384	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 2 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

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x000b00000001431b-30.dat	upx
behavioral1/files/0x000b00000001431b-28.dat	upx
behavioral1/files/0x000b00000001431b-25.dat	upx
behavioral1/memory/2528-35-0x0000000000400000-0x0000000000930000-memory.dmp	upx
behavioral1/files/0x000b00000001431b-32.dat	upx
behavioral1/memory/2528-88-0x0000000000400000-0x0000000000930000-memory.dmp	upx

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ledger-Live Updater = "C:\\Users\\Admin\\AppData\\Local\\Temp\\GHIDGDHCGC.exe"	GHIDGDHCGC.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).

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	u230.0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	u230.0.exe

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2580	schtasks.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1692	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2508	u230.0.exe
2508	u230.0.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe
3056	GHIDGDHCGC.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3056	GHIDGDHCGC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2528	u230.1.exe

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 2508	2700	5c6cd0cac67263505dc9944019895b50cab029ef655228e8294966dbc2590e35.exe	28
PID 2700 wrote to memory of 2508	2700	5c6cd0cac67263505dc9944019895b50cab029ef655228e8294966dbc2590e35.exe	28
PID 2700 wrote to memory of 2508	2700	5c6cd0cac67263505dc9944019895b50cab029ef655228e8294966dbc2590e35.exe	28
PID 2700 wrote to memory of 2508	2700	5c6cd0cac67263505dc9944019895b50cab029ef655228e8294966dbc2590e35.exe	28
PID 2700 wrote to memory of 2528	2700	5c6cd0cac67263505dc9944019895b50cab029ef655228e8294966dbc2590e35.exe	29
PID 2700 wrote to memory of 2528	2700	5c6cd0cac67263505dc9944019895b50cab029ef655228e8294966dbc2590e35.exe	29
PID 2700 wrote to memory of 2528	2700	5c6cd0cac67263505dc9944019895b50cab029ef655228e8294966dbc2590e35.exe	29
PID 2700 wrote to memory of 2528	2700	5c6cd0cac67263505dc9944019895b50cab029ef655228e8294966dbc2590e35.exe	29
PID 2528 wrote to memory of 1584	2528	u230.1.exe	32
PID 2528 wrote to memory of 1584	2528	u230.1.exe	32
PID 2528 wrote to memory of 1584	2528	u230.1.exe	32
PID 2528 wrote to memory of 1584	2528	u230.1.exe	32
PID 1584 wrote to memory of 2200	1584	cmd.exe	34
PID 1584 wrote to memory of 2200	1584	cmd.exe	34
PID 1584 wrote to memory of 2200	1584	cmd.exe	34
PID 1584 wrote to memory of 2200	1584	cmd.exe	34
PID 1584 wrote to memory of 2580	1584	cmd.exe	35
PID 1584 wrote to memory of 2580	1584	cmd.exe	35
PID 1584 wrote to memory of 2580	1584	cmd.exe	35
PID 1584 wrote to memory of 2580	1584	cmd.exe	35
PID 2508 wrote to memory of 384	2508	u230.0.exe	38
PID 2508 wrote to memory of 384	2508	u230.0.exe	38
PID 2508 wrote to memory of 384	2508	u230.0.exe	38
PID 2508 wrote to memory of 384	2508	u230.0.exe	38
PID 2508 wrote to memory of 2672	2508	u230.0.exe	40
PID 2508 wrote to memory of 2672	2508	u230.0.exe	40
PID 2508 wrote to memory of 2672	2508	u230.0.exe	40
PID 2508 wrote to memory of 2672	2508	u230.0.exe	40
PID 384 wrote to memory of 3056	384	cmd.exe	42
PID 384 wrote to memory of 3056	384	cmd.exe	42
PID 384 wrote to memory of 3056	384	cmd.exe	42
PID 384 wrote to memory of 3056	384	cmd.exe	42
PID 3056 wrote to memory of 2960	3056	GHIDGDHCGC.exe	43
PID 3056 wrote to memory of 2960	3056	GHIDGDHCGC.exe	43
PID 3056 wrote to memory of 2960	3056	GHIDGDHCGC.exe	43
PID 3056 wrote to memory of 2960	3056	GHIDGDHCGC.exe	43
PID 2960 wrote to memory of 1692	2960	cmd.exe	45
PID 2960 wrote to memory of 1692	2960	cmd.exe	45
PID 2960 wrote to memory of 1692	2960	cmd.exe	45
PID 2960 wrote to memory of 1692	2960	cmd.exe	45

C:\Users\Admin\AppData\Local\Temp\5c6cd0cac67263505dc9944019895b50cab029ef655228e8294966dbc2590e35.exe
"C:\Users\Admin\AppData\Local\Temp\5c6cd0cac67263505dc9944019895b50cab029ef655228e8294966dbc2590e35.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2700
- C:\Users\Admin\AppData\Local\Temp\u230.0.exe
  "C:\Users\Admin\AppData\Local\Temp\u230.0.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2508
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\GHIDGDHCGC.exe"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:384
  - - C:\Users\Admin\AppData\Local\Temp\GHIDGDHCGC.exe
      "C:\Users\Admin\AppData\Local\Temp\GHIDGDHCGC.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:3056
    - - 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\Local\Temp\GHIDGDHCGC.exe
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2960
      - C:\Windows\SysWOW64\PING.EXE
        
        ping 2.2.2.2 -n 1 -w 3000
        6⤵
        Runs ping.exe
        
        PID:1692
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\KJKJKFCBKK.exe"
    3⤵
    PID:2672
- C:\Users\Admin\AppData\Local\Temp\u230.1.exe
  "C:\Users\Admin\AppData\Local\Temp\u230.1.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2528
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Roaming\Temp\Task.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1584
  - - C:\Windows\SysWOW64\chcp.com
      chcp 1251
      4⤵
      PID:2200
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /tn "MalayamaraUpdate" /tr "'C:\Users\Admin\AppData\Local\Temp\Updater.exe'" /sc minute /mo 30 /F
      4⤵
      Creates scheduled task(s)
      PID:2580

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\u230.1.exe

Filesize
1.7MB

MD5
eee5ddcffbed16222cac0a1b4e2e466e

SHA1
28b40c88b8ea50b0782e2bcbb4cc0f411035f3d5

SHA256
2a40e5dccc7526c4982334941c90f95374460e2a816e84e724e98c4d52ae8c54

SHA512
8f88901f3ebd425818db09f268df19ccf8a755603f04e9481bcf02b112a84393f8a900ead77f8f971bfa33fd9fa5636b7494aaee864a0fb04e3273911a4216dc

Download Submit
C:\Users\Admin\AppData\Roaming\Temp\Task.bat

Filesize
128B

MD5
11bb3db51f701d4e42d3287f71a6a43e

SHA1
63a4ee82223be6a62d04bdfe40ef8ba91ae49a86

SHA256
6be22058abfb22b40a42fb003f86b89e204a83024c03eb82cd53e2a0a047c331

SHA512
907ad2c070cc1db89f43459a94d7f48985d939d749c9648b78572a266f0d3fde47813a129e9151dbf4a7d96d36f588172f57c88b8b947b56ed818d7d068abab2

Download Submit
\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
\ProgramData\nss3.dll

Filesize
1.2MB

MD5
99d219af85330f0cbfea89a6d68e840b

SHA1
ee65a0d8181a27d1968bcb4ab671607e50de888f

SHA256
010bb3df7be759f27007bef2d2eec07f1ab8699c5281e45e6dbb785c25c9b430

SHA512
7a13bd8b52e57ab90cca9971710ee8bb786e81b89e7906bb2ade8a08a1519f358882e823261a08ab330dd296336bc8d110e457031cc00d325b89f557882da4b7

Download Submit
\Users\Admin\AppData\Local\Temp\GHIDGDHCGC.exe

Filesize
101KB

MD5
42b838cf8bdf67400525e128d917f6e0

SHA1
a578f6faec738912dba8c41e7abe1502c46d0cae

SHA256
0e4ffba62ce9a464aa1b7ff9f1e55ace8f51ff1e15102d856f801a81f8b4607d

SHA512
f64b39d885375251ab7db72c57dc5b5095f0c6412169f1035d1f6a25b8415a2a01004d06bfa0267cf683ef7dea7a9f969ad43fde5a4376f1fcb65a57403433c0

Download Submit
\Users\Admin\AppData\Local\Temp\u230.0.exe

Filesize
256KB

MD5
f8ba83e7f73296543608c871df2fb647

SHA1
1a3490d1fe75adad578e9b943709f1d7ceb546ff

SHA256
195b265f873a3bc774a60911bd8791a0a0e65af9301f959677844c9b3945c273

SHA512
0c2c501ff3f89f9cf96d15ea2eb2b17b20e28fbad679a95a9ba2a4bfcbaac588d4936c5c95a9806a9866696d95bebe0b682e9d4d14c4d0d57a74684f6cc18ed8

Download Submit
\Users\Admin\AppData\Local\Temp\u230.1.exe

Filesize
1.3MB

MD5
eeec6de42a9722eade59935376fdae88

SHA1
d4a4682680674e9f151a2a5544795758e4d9d824

SHA256
d8079f789a1d2d6dc9c4362243db3bf5ff9433a4dd938bef103620a7a6d34b48

SHA512
db4d3b7d3955bae64d27333b7404f096c75121de71f902121382cccaf79dc4ed16cf04b5fdaf80f7e5d78fb3d5aeeff5a0dbacc1cf1ec79d9a31acfc05bdbeb3

Download Submit
\Users\Admin\AppData\Local\Temp\u230.1.exe

Filesize
1.3MB

MD5
eaf80a56acbfe3438edfedf840ac1f76

SHA1
d428f109aa943ed8799f6e0a88f528e3a9abeb05

SHA256
ed995251f7a3de6867620d99c22de946212e0f7d3418c1fb0c4a21193e64c98f

SHA512
1c1206006d4d19acd87eaba09bd20c965b720b6dc7277710d24edaf562891b6bb4dec749eb1ff8d01e784ec48e6a32f65c3d92502adca5e26769cf7fd2ae8533

Download Submit
\Users\Admin\AppData\Local\Temp\u230.1.exe

Filesize
709KB

MD5
7a5d9e34a8a9b6f91ca88bbb180e7027

SHA1
ab9acdbfa1c4ff1d7ce293666a9c5ab1db1bbfc4

SHA256
1ba1bb36f0238689c74f4e0f8f2062760c03314b602ba211598193a812274abb

SHA512
aadf52956e2c7c811a2474e3c9cc18740c6686cfd677df71660e88270cc12feb536802102ba338294e470daec7732d542ec57311394b67d208a2b15a935c81a9

Download Submit
memory/2508-114-0x0000000000400000-0x000000000063B000-memory.dmp

Filesize
2.2MB

Download
memory/2508-92-0x0000000000400000-0x000000000063B000-memory.dmp

Filesize
2.2MB

Download
memory/2508-38-0x0000000000220000-0x0000000000247000-memory.dmp

Filesize
156KB

Download
memory/2508-37-0x0000000000700000-0x0000000000800000-memory.dmp

Filesize
1024KB

Download
memory/2508-39-0x0000000000400000-0x000000000063B000-memory.dmp

Filesize
2.2MB

Download
memory/2508-129-0x0000000000400000-0x000000000063B000-memory.dmp

Filesize
2.2MB

Download
memory/2508-41-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2508-131-0x0000000000700000-0x0000000000800000-memory.dmp

Filesize
1024KB

Download
memory/2508-87-0x0000000000400000-0x000000000063B000-memory.dmp

Filesize
2.2MB

Download
memory/2508-93-0x0000000000700000-0x0000000000800000-memory.dmp

Filesize
1024KB

Download
memory/2508-124-0x0000000000400000-0x000000000063B000-memory.dmp

Filesize
2.2MB

Download
memory/2528-88-0x0000000000400000-0x0000000000930000-memory.dmp

Filesize
5.2MB

Download
memory/2528-35-0x0000000000400000-0x0000000000930000-memory.dmp

Filesize
5.2MB

Download
memory/2528-40-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2528-113-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2700-2-0x0000000000270000-0x00000000002D7000-memory.dmp

Filesize
412KB

Download
memory/2700-1-0x00000000005F0000-0x00000000006F0000-memory.dmp

Filesize
1024KB

Download
memory/2700-33-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/2700-34-0x0000000003970000-0x0000000003EA0000-memory.dmp

Filesize
5.2MB

Download
memory/2700-3-0x0000000000400000-0x000000000049C000-memory.dmp

Filesize
624KB

Download
memory/3056-137-0x0000000000290000-0x00000000002AE000-memory.dmp

Filesize
120KB

Download
memory/3056-138-0x0000000072050000-0x000000007273E000-memory.dmp

Filesize
6.9MB

Download
memory/3056-139-0x0000000002090000-0x00000000020D0000-memory.dmp

Filesize
256KB

Download
memory/3056-144-0x0000000072050000-0x000000007273E000-memory.dmp

Filesize
6.9MB

Download
memory/3056-146-0x0000000002090000-0x00000000020D0000-memory.dmp

Filesize
256KB

Download