stealc | e5ee0386642f85fae896897dded00600e31f953324c0d79e047d4d56aaa4f00b

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
12-03-2024 22:39

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General

Target

e5ee0386642f85fae896897dded00600e31f953324c0d79e047d4d56aaa4f00b.exe
Size

2.0MB
MD5

0410fd5f6a2fbef127b8cda552fa32cc
SHA1

2ad50bdbf8f8f5cba3a892bfc77a2b1f423e3ad1
SHA256

e5ee0386642f85fae896897dded00600e31f953324c0d79e047d4d56aaa4f00b
SHA512

58e55d5a62bb364b6b01e75b46843cfb84128628deae8142aa2ae0d5e67264ae6b313592fbc363aeab21c363dc70eb3c139c3dedf9ed876c44a72159d01a76b0
SSDEEP

49152:LKWsYYnplVFit0OEsTRdvZfxYOUa0WfD1XoonN5H+ryPvq:6stBVYaxJNPery3q

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

Processes:

syncUpd.exeBroomSetup.exeFIDAFIEBFC.exe

pid	Process
2736	syncUpd.exe
2664	BroomSetup.exe
2908	FIDAFIEBFC.exe

Loads dropped DLL 8 IoCs

Processes:

e5ee0386642f85fae896897dded00600e31f953324c0d79e047d4d56aaa4f00b.exesyncUpd.execmd.exe

pid	Process
2808	e5ee0386642f85fae896897dded00600e31f953324c0d79e047d4d56aaa4f00b.exe
2808	e5ee0386642f85fae896897dded00600e31f953324c0d79e047d4d56aaa4f00b.exe
2808	e5ee0386642f85fae896897dded00600e31f953324c0d79e047d4d56aaa4f00b.exe
2808	e5ee0386642f85fae896897dded00600e31f953324c0d79e047d4d56aaa4f00b.exe
2808	e5ee0386642f85fae896897dded00600e31f953324c0d79e047d4d56aaa4f00b.exe
2736	syncUpd.exe
2736	syncUpd.exe
1636	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 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/files/0x0005000000019469-25.dat	upx
behavioral1/files/0x0005000000019469-32.dat	upx
behavioral1/memory/2664-34-0x0000000000400000-0x0000000000930000-memory.dmp	upx
behavioral1/memory/2664-75-0x0000000000400000-0x0000000000930000-memory.dmp	upx
behavioral1/memory/2664-182-0x0000000000400000-0x0000000000930000-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

Processes:

FIDAFIEBFC.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ledger-Live Updater = "C:\\Users\\Admin\\AppData\\Local\\Temp\\FIDAFIEBFC.exe"	FIDAFIEBFC.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

Processes:

syncUpd.exe

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

Processes:

schtasks.exe

pid	Process
1288	schtasks.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
1744	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

syncUpd.exeFIDAFIEBFC.exe

pid	Process
2736	syncUpd.exe
2736	syncUpd.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe
2908	FIDAFIEBFC.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

FIDAFIEBFC.exe

description	pid	Process
Token: SeDebugPrivilege	2908	FIDAFIEBFC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

BroomSetup.exe

pid	Process
2664	BroomSetup.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

e5ee0386642f85fae896897dded00600e31f953324c0d79e047d4d56aaa4f00b.exeBroomSetup.execmd.exesyncUpd.execmd.exeFIDAFIEBFC.execmd.exe

description	pid	Process	procid_target
PID 2808 wrote to memory of 2736	2808	e5ee0386642f85fae896897dded00600e31f953324c0d79e047d4d56aaa4f00b.exe	28
PID 2808 wrote to memory of 2736	2808	e5ee0386642f85fae896897dded00600e31f953324c0d79e047d4d56aaa4f00b.exe	28
PID 2808 wrote to memory of 2736	2808	e5ee0386642f85fae896897dded00600e31f953324c0d79e047d4d56aaa4f00b.exe	28
PID 2808 wrote to memory of 2736	2808	e5ee0386642f85fae896897dded00600e31f953324c0d79e047d4d56aaa4f00b.exe	28
PID 2808 wrote to memory of 2664	2808	e5ee0386642f85fae896897dded00600e31f953324c0d79e047d4d56aaa4f00b.exe	30
PID 2808 wrote to memory of 2664	2808	e5ee0386642f85fae896897dded00600e31f953324c0d79e047d4d56aaa4f00b.exe	30
PID 2808 wrote to memory of 2664	2808	e5ee0386642f85fae896897dded00600e31f953324c0d79e047d4d56aaa4f00b.exe	30
PID 2808 wrote to memory of 2664	2808	e5ee0386642f85fae896897dded00600e31f953324c0d79e047d4d56aaa4f00b.exe	30
PID 2808 wrote to memory of 2664	2808	e5ee0386642f85fae896897dded00600e31f953324c0d79e047d4d56aaa4f00b.exe	30
PID 2808 wrote to memory of 2664	2808	e5ee0386642f85fae896897dded00600e31f953324c0d79e047d4d56aaa4f00b.exe	30
PID 2808 wrote to memory of 2664	2808	e5ee0386642f85fae896897dded00600e31f953324c0d79e047d4d56aaa4f00b.exe	30
PID 2664 wrote to memory of 2952	2664	BroomSetup.exe	31
PID 2664 wrote to memory of 2952	2664	BroomSetup.exe	31
PID 2664 wrote to memory of 2952	2664	BroomSetup.exe	31
PID 2664 wrote to memory of 2952	2664	BroomSetup.exe	31
PID 2952 wrote to memory of 268	2952	cmd.exe	33
PID 2952 wrote to memory of 268	2952	cmd.exe	33
PID 2952 wrote to memory of 268	2952	cmd.exe	33
PID 2952 wrote to memory of 268	2952	cmd.exe	33
PID 2952 wrote to memory of 1288	2952	cmd.exe	34
PID 2952 wrote to memory of 1288	2952	cmd.exe	34
PID 2952 wrote to memory of 1288	2952	cmd.exe	34
PID 2952 wrote to memory of 1288	2952	cmd.exe	34
PID 2736 wrote to memory of 1636	2736	syncUpd.exe	38
PID 2736 wrote to memory of 1636	2736	syncUpd.exe	38
PID 2736 wrote to memory of 1636	2736	syncUpd.exe	38
PID 2736 wrote to memory of 1636	2736	syncUpd.exe	38
PID 2736 wrote to memory of 1004	2736	syncUpd.exe	40
PID 2736 wrote to memory of 1004	2736	syncUpd.exe	40
PID 2736 wrote to memory of 1004	2736	syncUpd.exe	40
PID 2736 wrote to memory of 1004	2736	syncUpd.exe	40
PID 1636 wrote to memory of 2908	1636	cmd.exe	42
PID 1636 wrote to memory of 2908	1636	cmd.exe	42
PID 1636 wrote to memory of 2908	1636	cmd.exe	42
PID 1636 wrote to memory of 2908	1636	cmd.exe	42
PID 2908 wrote to memory of 2672	2908	FIDAFIEBFC.exe	43
PID 2908 wrote to memory of 2672	2908	FIDAFIEBFC.exe	43
PID 2908 wrote to memory of 2672	2908	FIDAFIEBFC.exe	43
PID 2908 wrote to memory of 2672	2908	FIDAFIEBFC.exe	43
PID 2672 wrote to memory of 1744	2672	cmd.exe	45
PID 2672 wrote to memory of 1744	2672	cmd.exe	45
PID 2672 wrote to memory of 1744	2672	cmd.exe	45
PID 2672 wrote to memory of 1744	2672	cmd.exe	45

C:\Users\Admin\AppData\Local\Temp\e5ee0386642f85fae896897dded00600e31f953324c0d79e047d4d56aaa4f00b.exe
"C:\Users\Admin\AppData\Local\Temp\e5ee0386642f85fae896897dded00600e31f953324c0d79e047d4d56aaa4f00b.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2808
- C:\Users\Admin\AppData\Local\Temp\syncUpd.exe
  C:\Users\Admin\AppData\Local\Temp\syncUpd.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2736
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\FIDAFIEBFC.exe"
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:1636
  - - C:\Users\Admin\AppData\Local\Temp\FIDAFIEBFC.exe
      "C:\Users\Admin\AppData\Local\Temp\FIDAFIEBFC.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2908
    - - 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\FIDAFIEBFC.exe
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2672
      - C:\Windows\SysWOW64\PING.EXE
        
        ping 2.2.2.2 -n 1 -w 3000
        6⤵
        Runs ping.exe
        
        PID:1744
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\KJDAECAEBK.exe"
    3⤵
    PID:1004
- C:\Users\Admin\AppData\Local\Temp\BroomSetup.exe
  C:\Users\Admin\AppData\Local\Temp\BroomSetup.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2664
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Roaming\Temp\Task.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2952
  - - C:\Windows\SysWOW64\chcp.com
      chcp 1251
      4⤵
      PID:268
  - - 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:1288

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\BroomSetup.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
99KB

MD5
ded23e3d585c7a7a2286f0539db64ebe

SHA1
21b6ba957c2f2e570d15d0e7e8f34833b53874b1

SHA256
1fe398bd71ffe74e75bf718f32eb707e362040af3d0ea1aad9fa1249508e1b5a

SHA512
4e59cbee37003d3ab3898bad1c3900963427f42d90d840ef1db758c1ec132b98231614ed96d42ac0f6a1d52acdd32c4cbd909f5862296f5acd192ecfd12d5f1d

Download Submit
\ProgramData\nss3.dll

Filesize
56KB

MD5
de3ff67bef375dce2f52462d0496af41

SHA1
5c1bbdfc0e19474b611e6d5a39197f9cea8903bb

SHA256
b993069191e5f6bd73bcad0e70d87b58fa9101d26cf389ad9c2da2b0dfaf9221

SHA512
4f0b75f77801ec02d689fa32aa78420a07000966c09283ad2616669f12326b5a73c62f2c9a468852ab0e2cf231dff1f8993310333167e178417c7f4c2fdd3ae0

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

Filesize
652KB

MD5
bb960518d39faa31d1b8e448ba0d2613

SHA1
1220a16a90d4591e99fe9637906f3e1d27d735d5

SHA256
2cb551b2a99e462d36b38371a7d49f1cde52e2cbac8457169cc94a0cf13ec93d

SHA512
f611b78ca2a6830e453f16f8c4ae1f74e8b765078e950b6b62715968b2443f98bc51f9fdc73a3ef6d825c38b475083487840f551bf67c463edb6a8f78c7e11c0

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

Filesize
101KB

MD5
42b838cf8bdf67400525e128d917f6e0

SHA1
a578f6faec738912dba8c41e7abe1502c46d0cae

SHA256
0e4ffba62ce9a464aa1b7ff9f1e55ace8f51ff1e15102d856f801a81f8b4607d

SHA512
f64b39d885375251ab7db72c57dc5b5095f0c6412169f1035d1f6a25b8415a2a01004d06bfa0267cf683ef7dea7a9f969ad43fde5a4376f1fcb65a57403433c0

Download Submit
\Users\Admin\AppData\Local\Temp\nst55EF.tmp\INetC.dll

Filesize
21KB

MD5
2b342079303895c50af8040a91f30f71

SHA1
b11335e1cb8356d9c337cb89fe81d669a69de17e

SHA256
2d5d89025911e2e273f90f393624be4819641dbee1606de792362e442e54612f

SHA512
550452dadc86ecd205f40668894116790a456fe46e9985d68093d36cf32abf00edecb5c56ff0287464a0e819db7b3cc53926037a116de6c651332a7cc8035d47

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

Filesize
200KB

MD5
c722591f624fb69970f246b8c81d830f

SHA1
85516decea5d6987bebe39cbadf36053beaf4bb0

SHA256
13cd1152a19fdac6581cac2bd822f34bd3026ea1783ff231e299b6d28c046a6a

SHA512
822584c5c8a0813af4d845e80919776c71a43464ab719d1c303ebaae6a8ed47763183566bedc9be2e8c44de8ee6fd62d1e12be471e5d5c73ae4b1dcdaa34a908

Download Submit
memory/1004-172-0x0000000002220000-0x0000000002221000-memory.dmp

Filesize
4KB

Download
memory/2664-34-0x0000000000400000-0x0000000000930000-memory.dmp

Filesize
5.2MB

Download
memory/2664-35-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2664-75-0x0000000000400000-0x0000000000930000-memory.dmp

Filesize
5.2MB

Download
memory/2664-182-0x0000000000400000-0x0000000000930000-memory.dmp

Filesize
5.2MB

Download
memory/2664-89-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2736-130-0x0000000000400000-0x000000000063B000-memory.dmp

Filesize
2.2MB

Download
memory/2736-133-0x0000000000400000-0x000000000063B000-memory.dmp

Filesize
2.2MB

Download
memory/2736-82-0x0000000000400000-0x000000000063B000-memory.dmp

Filesize
2.2MB

Download
memory/2736-83-0x0000000000400000-0x000000000063B000-memory.dmp

Filesize
2.2MB

Download
memory/2736-87-0x0000000000400000-0x000000000063B000-memory.dmp

Filesize
2.2MB

Download
memory/2736-43-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/2736-36-0x0000000000400000-0x000000000063B000-memory.dmp

Filesize
2.2MB

Download
memory/2736-16-0x0000000000710000-0x0000000000810000-memory.dmp

Filesize
1024KB

Download
memory/2736-112-0x0000000000400000-0x000000000063B000-memory.dmp

Filesize
2.2MB

Download
memory/2736-122-0x0000000000400000-0x000000000063B000-memory.dmp

Filesize
2.2MB

Download
memory/2736-17-0x0000000000220000-0x0000000000247000-memory.dmp

Filesize
156KB

Download
memory/2736-74-0x0000000000710000-0x0000000000810000-memory.dmp

Filesize
1024KB

Download
memory/2736-18-0x0000000000400000-0x000000000063B000-memory.dmp

Filesize
2.2MB

Download
memory/2736-137-0x0000000000710000-0x0000000000810000-memory.dmp

Filesize
1024KB

Download
memory/2808-33-0x00000000050C0000-0x00000000055F0000-memory.dmp

Filesize
5.2MB

Download
memory/2808-31-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2908-151-0x0000000000910000-0x000000000092E000-memory.dmp

Filesize
120KB

Download
memory/2908-170-0x0000000072190000-0x000000007287E000-memory.dmp

Filesize
6.9MB

Download
memory/2908-177-0x0000000004B90000-0x0000000004BD0000-memory.dmp

Filesize
256KB

Download
memory/2908-184-0x0000000072190000-0x000000007287E000-memory.dmp

Filesize
6.9MB

Download
memory/2908-185-0x0000000004B90000-0x0000000004BD0000-memory.dmp

Filesize
256KB

Download