stealc | 1444e7ad891b326acfac08ff3ea0e68125318aec362e56299a4d529bcfb2c1be

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
12/03/2024, 15:22

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General

Target

1444e7ad891b326acfac08ff3ea0e68125318aec362e56299a4d529bcfb2c1be.exe
Size

2.1MB
MD5

6216bbd280c275b9bc467883f34cb273
SHA1

dce1a5b52d11a9242037f1a5c9ac40f3e6d7b0b9
SHA256

1444e7ad891b326acfac08ff3ea0e68125318aec362e56299a4d529bcfb2c1be
SHA512

48db34604185b74bc562e59b9573cf9df3f8b3fbd5522831cd6d9624b79e5ad1a145b0a2aafa41f7248a16b346bdea648ead8a42b34b94720589db2823c23176
SSDEEP

49152:Lc+W2UR6fSODBzyOygnebDm6AYvNb63kWzFWqgIPCWCq:TW2UR666zIgnefHAON+3NWaPCWCq

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

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation	GHIDGDHCGC.exe
Key value queried	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation	syncUpd.exe

Executes dropped EXE 3 IoCs

pid	Process
3160	syncUpd.exe
2720	BroomSetup.exe
3940	GHIDGDHCGC.exe

Loads dropped DLL 4 IoCs

pid	Process
2248	1444e7ad891b326acfac08ff3ea0e68125318aec362e56299a4d529bcfb2c1be.exe
2248	1444e7ad891b326acfac08ff3ea0e68125318aec362e56299a4d529bcfb2c1be.exe
3160	syncUpd.exe
3160	syncUpd.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 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000b00000002311d-22.dat	upx
behavioral2/memory/2720-27-0x0000000000400000-0x0000000000930000-memory.dmp	upx
behavioral2/memory/2720-75-0x0000000000400000-0x0000000000930000-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-1-5-21-399997616-3400990511-967324271-1000\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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4072	3160	WerFault.exe	89

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	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

pid	Process
4808	schtasks.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3036	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3160	syncUpd.exe
3160	syncUpd.exe
3160	syncUpd.exe
3160	syncUpd.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe
3940	GHIDGDHCGC.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3940	GHIDGDHCGC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2720	BroomSetup.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 3160	2248	1444e7ad891b326acfac08ff3ea0e68125318aec362e56299a4d529bcfb2c1be.exe	89
PID 2248 wrote to memory of 3160	2248	1444e7ad891b326acfac08ff3ea0e68125318aec362e56299a4d529bcfb2c1be.exe	89
PID 2248 wrote to memory of 3160	2248	1444e7ad891b326acfac08ff3ea0e68125318aec362e56299a4d529bcfb2c1be.exe	89
PID 2248 wrote to memory of 2720	2248	1444e7ad891b326acfac08ff3ea0e68125318aec362e56299a4d529bcfb2c1be.exe	93
PID 2248 wrote to memory of 2720	2248	1444e7ad891b326acfac08ff3ea0e68125318aec362e56299a4d529bcfb2c1be.exe	93
PID 2248 wrote to memory of 2720	2248	1444e7ad891b326acfac08ff3ea0e68125318aec362e56299a4d529bcfb2c1be.exe	93
PID 2720 wrote to memory of 4432	2720	BroomSetup.exe	95
PID 2720 wrote to memory of 4432	2720	BroomSetup.exe	95
PID 2720 wrote to memory of 4432	2720	BroomSetup.exe	95
PID 4432 wrote to memory of 2260	4432	cmd.exe	97
PID 4432 wrote to memory of 2260	4432	cmd.exe	97
PID 4432 wrote to memory of 2260	4432	cmd.exe	97
PID 4432 wrote to memory of 4808	4432	cmd.exe	98
PID 4432 wrote to memory of 4808	4432	cmd.exe	98
PID 4432 wrote to memory of 4808	4432	cmd.exe	98
PID 3160 wrote to memory of 2600	3160	syncUpd.exe	113
PID 3160 wrote to memory of 2600	3160	syncUpd.exe	113
PID 3160 wrote to memory of 2600	3160	syncUpd.exe	113
PID 2600 wrote to memory of 3940	2600	cmd.exe	117
PID 2600 wrote to memory of 3940	2600	cmd.exe	117
PID 2600 wrote to memory of 3940	2600	cmd.exe	117
PID 3940 wrote to memory of 2128	3940	GHIDGDHCGC.exe	119
PID 3940 wrote to memory of 2128	3940	GHIDGDHCGC.exe	119
PID 3940 wrote to memory of 2128	3940	GHIDGDHCGC.exe	119
PID 2128 wrote to memory of 3036	2128	cmd.exe	121
PID 2128 wrote to memory of 3036	2128	cmd.exe	121
PID 2128 wrote to memory of 3036	2128	cmd.exe	121

C:\Users\Admin\AppData\Local\Temp\1444e7ad891b326acfac08ff3ea0e68125318aec362e56299a4d529bcfb2c1be.exe
"C:\Users\Admin\AppData\Local\Temp\1444e7ad891b326acfac08ff3ea0e68125318aec362e56299a4d529bcfb2c1be.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Users\Admin\AppData\Local\Temp\syncUpd.exe
  C:\Users\Admin\AppData\Local\Temp\syncUpd.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3160
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\GHIDGDHCGC.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2600
  - - C:\Users\Admin\AppData\Local\Temp\GHIDGDHCGC.exe
      "C:\Users\Admin\AppData\Local\Temp\GHIDGDHCGC.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Adds Run key to start application
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:3940
    - - 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:2128
      - C:\Windows\SysWOW64\PING.EXE
        
        ping 2.2.2.2 -n 1 -w 3000
        6⤵
        Runs ping.exe
        
        PID:3036
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3160 -s 2380
    3⤵
    - Program crash
    PID:4072
- 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:2720
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Temp\Task.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4432
  - - C:\Windows\SysWOW64\chcp.com
      chcp 1251
      4⤵
      PID:2260
  - - 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:4808

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3160 -ip 3160
1⤵
PID:4480

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:\ProgramData\Are.docx

Filesize
11KB

MD5
a33e5b189842c5867f46566bdbf7a095

SHA1
e1c06359f6a76da90d19e8fd95e79c832edb3196

SHA256
5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454

SHA512
f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b

Download Submit
C:\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\mozglue.dll

Filesize
196KB

MD5
6aced0bdd881f90248ce91e5426d809d

SHA1
7a0ac4fd8e4e39d08c4d73a92b66363091dfe1ff

SHA256
55e1cba364ecef8feaa68505299ea6f7a66d610c983ce5098ed8e4373f1b2bec

SHA512
554a8716ff1e4fe1a91938a9ad538b82ffec94940af3d7dfb264c5d8aa433dd4eebf896ffa403913dbce304fa9fb42c2b60270280555a109edc351e8afa4a2ed

Download Submit
C:\ProgramData\nss3.dll

Filesize
806KB

MD5
b69a95947a8d162fc3f2ca17e281dc01

SHA1
0924c6540eca0276cbf18449325870905d0f5eb7

SHA256
858b8e5a2bc2506812431dbf38be2ded33ebcf8a372f0a0ccb6a0d66d9017e22

SHA512
fd93e7e9cc19d4ba915afef6d00a08374d4204c177912938bd47cd3dd702a987a315211f347979be63f5e1529faefcdb842f849fdc75739ff96a647d1a7835f9

Download Submit
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\Local\Temp\GHIDGDHCGC.exe

Filesize
101KB

MD5
42b838cf8bdf67400525e128d917f6e0

SHA1
a578f6faec738912dba8c41e7abe1502c46d0cae

SHA256
0e4ffba62ce9a464aa1b7ff9f1e55ace8f51ff1e15102d856f801a81f8b4607d

SHA512
f64b39d885375251ab7db72c57dc5b5095f0c6412169f1035d1f6a25b8415a2a01004d06bfa0267cf683ef7dea7a9f969ad43fde5a4376f1fcb65a57403433c0

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsy43F0.tmp\INetC.dll

Filesize
21KB

MD5
2b342079303895c50af8040a91f30f71

SHA1
b11335e1cb8356d9c337cb89fe81d669a69de17e

SHA256
2d5d89025911e2e273f90f393624be4819641dbee1606de792362e442e54612f

SHA512
550452dadc86ecd205f40668894116790a456fe46e9985d68093d36cf32abf00edecb5c56ff0287464a0e819db7b3cc53926037a116de6c651332a7cc8035d47

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

Filesize
282KB

MD5
45d22efe66c3573da47197ff44dd54f2

SHA1
5c426bc365f775fbb433e2219c0dd2d146fc4cfc

SHA256
e1cd1d1df222eeb723bc22f7ae326c151ea73ae6ef7c571516efe0dc1e2546fb

SHA512
f22efc1de7fa66019e82040298c5285e06a8d5e1d9ac1478aaf478b99814002ba027056db3528d9d5ef451e542b70cfe2a12f17503fdce9c9f779dfe92c0524f

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

Filesize
128B

MD5
11bb3db51f701d4e42d3287f71a6a43e

SHA1
63a4ee82223be6a62d04bdfe40ef8ba91ae49a86

SHA256
6be22058abfb22b40a42fb003f86b89e204a83024c03eb82cd53e2a0a047c331

SHA512
907ad2c070cc1db89f43459a94d7f48985d939d749c9648b78572a266f0d3fde47813a129e9151dbf4a7d96d36f588172f57c88b8b947b56ed818d7d068abab2

Download Submit
memory/2248-26-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2720-28-0x0000000000F40000-0x0000000000F41000-memory.dmp

Filesize
4KB

Download
memory/2720-27-0x0000000000400000-0x0000000000930000-memory.dmp

Filesize
5.2MB

Download
memory/2720-75-0x0000000000400000-0x0000000000930000-memory.dmp

Filesize
5.2MB

Download
memory/2720-86-0x0000000000F40000-0x0000000000F41000-memory.dmp

Filesize
4KB

Download
memory/3160-83-0x0000000001B80000-0x0000000001C80000-memory.dmp

Filesize
1024KB

Download
memory/3160-13-0x0000000001AC0000-0x0000000001AE7000-memory.dmp

Filesize
156KB

Download
memory/3160-82-0x0000000000400000-0x0000000001A32000-memory.dmp

Filesize
22.2MB

Download
memory/3160-71-0x0000000000400000-0x0000000001A32000-memory.dmp

Filesize
22.2MB

Download
memory/3160-32-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/3160-14-0x0000000000400000-0x0000000001A32000-memory.dmp

Filesize
22.2MB

Download
memory/3160-112-0x0000000000400000-0x0000000001A32000-memory.dmp

Filesize
22.2MB

Download
memory/3160-123-0x0000000000400000-0x0000000001A32000-memory.dmp

Filesize
22.2MB

Download
memory/3160-129-0x0000000000400000-0x0000000001A32000-memory.dmp

Filesize
22.2MB

Download
memory/3160-84-0x0000000000400000-0x0000000001A32000-memory.dmp

Filesize
22.2MB

Download
memory/3160-12-0x0000000001B80000-0x0000000001C80000-memory.dmp

Filesize
1024KB

Download
memory/3160-149-0x0000000000400000-0x0000000001A32000-memory.dmp

Filesize
22.2MB

Download
memory/3940-146-0x00000000726B0000-0x0000000072E60000-memory.dmp

Filesize
7.7MB

Download
memory/3940-147-0x0000000003540000-0x0000000003550000-memory.dmp

Filesize
64KB

Download
memory/3940-145-0x0000000000EB0000-0x0000000000ECE000-memory.dmp

Filesize
120KB

Download
memory/3940-152-0x00000000726B0000-0x0000000072E60000-memory.dmp

Filesize
7.7MB

Download
memory/3940-154-0x0000000003540000-0x0000000003550000-memory.dmp

Filesize
64KB

Download