stealc | 6b9236494e6c5744ad90c129176ce3ef3e4565480f52543a8e70cdd1c977c608

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
09-05-2024 12:20

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Report Analysis Logs

General

Target

35e81af375057504f64b040dadb925a0_NeikiAnalytics.exe
Size

404KB
MD5

35e81af375057504f64b040dadb925a0
SHA1

09d84c804ae114c7df70a7ff5c2c5a4e24d867ac
SHA256

6b9236494e6c5744ad90c129176ce3ef3e4565480f52543a8e70cdd1c977c608
SHA512

6f48ae576de3ca821117ea78067d414d6c1552a556662de9618443664330e7bfe1b6fcab0b52646b66c141e3c40a184c2a125c4e888ee2f35f9a8c30c389c317
SSDEEP

6144:zFnmGM8FncD84WsYk8WPdFZ+V3zu4NfCWXmCL/AvBFIUHf8:z5mLrD8xgzJu3zu4Nf5XmiUOw8

Score

10^/10

stealc zgrat discovery rat spyware stealer

Malware Config

Extracted

Family

stealc

http://185.172.128.150

Attributes

url_path
/c698e1bc8a2f5e6d.php

Signatures

Detect ZGRat V1 3 IoCs

resource	yara_rule
behavioral2/memory/4108-67-0x00000150AD400000-0x00000150B0C34000-memory.dmp	family_zgrat_v1
behavioral2/memory/4108-68-0x00000150CCC00000-0x00000150CCD0A000-memory.dmp	family_zgrat_v1
behavioral2/memory/4108-72-0x00000150CC930000-0x00000150CC954000-memory.dmp	family_zgrat_v1

Stealc
Stealc is an infostealer written in C++.
stealer stealc
ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat
Downloads MZ/PE file

Checks computer location settings 2 TTPs 3 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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	35e81af375057504f64b040dadb925a0_NeikiAnalytics.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	u3k4.1.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	u3k4.0.exe

Executes dropped EXE 2 IoCs

pid	Process
4516	u3k4.0.exe
2296	u3k4.1.exe

Loads dropped DLL 2 IoCs

pid	Process
4516	u3k4.0.exe
4516	u3k4.0.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
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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4584	4612	WerFault.exe	80
1064	4516	WerFault.exe	84

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u3k4.1.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u3k4.1.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u3k4.1.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	u3k4.0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	u3k4.0.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
872	timeout.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
4108	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4108	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4108	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4108	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4108	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4108	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4108	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4108	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4108	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4108	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4108	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4108	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4108	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4108	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4108	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4108	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4108	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4108	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4108	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4108	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4108	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4108	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4108	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4516	u3k4.0.exe
4516	u3k4.0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4108	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
2296	u3k4.1.exe
2296	u3k4.1.exe
2296	u3k4.1.exe
2296	u3k4.1.exe
2296	u3k4.1.exe
2296	u3k4.1.exe
2296	u3k4.1.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
2296	u3k4.1.exe
2296	u3k4.1.exe
2296	u3k4.1.exe
2296	u3k4.1.exe
2296	u3k4.1.exe
2296	u3k4.1.exe
2296	u3k4.1.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4612 wrote to memory of 4516	4612	35e81af375057504f64b040dadb925a0_NeikiAnalytics.exe	84
PID 4612 wrote to memory of 4516	4612	35e81af375057504f64b040dadb925a0_NeikiAnalytics.exe	84
PID 4612 wrote to memory of 4516	4612	35e81af375057504f64b040dadb925a0_NeikiAnalytics.exe	84
PID 4612 wrote to memory of 2296	4612	35e81af375057504f64b040dadb925a0_NeikiAnalytics.exe	86
PID 4612 wrote to memory of 2296	4612	35e81af375057504f64b040dadb925a0_NeikiAnalytics.exe	86
PID 4612 wrote to memory of 2296	4612	35e81af375057504f64b040dadb925a0_NeikiAnalytics.exe	86
PID 2296 wrote to memory of 4108	2296	u3k4.1.exe	91
PID 2296 wrote to memory of 4108	2296	u3k4.1.exe	91
PID 4516 wrote to memory of 4168	4516	u3k4.0.exe	96
PID 4516 wrote to memory of 4168	4516	u3k4.0.exe	96
PID 4516 wrote to memory of 4168	4516	u3k4.0.exe	96
PID 4168 wrote to memory of 872	4168	cmd.exe	99
PID 4168 wrote to memory of 872	4168	cmd.exe	99
PID 4168 wrote to memory of 872	4168	cmd.exe	99

C:\Users\Admin\AppData\Local\Temp\35e81af375057504f64b040dadb925a0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\35e81af375057504f64b040dadb925a0_NeikiAnalytics.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4612
- C:\Users\Admin\AppData\Local\Temp\u3k4.0.exe
  "C:\Users\Admin\AppData\Local\Temp\u3k4.0.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:4516
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\u3k4.0.exe" & del "C:\ProgramData\*.dll"" & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4168
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 5
      4⤵
      Delays execution with timeout.exe
      PID:872
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4516 -s 2024
    3⤵
    - Program crash
    PID:1064
- C:\Users\Admin\AppData\Local\Temp\u3k4.1.exe
  "C:\Users\Admin\AppData\Local\Temp\u3k4.1.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2296
- - C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
    "C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe" /eieci=11A12794-499E-4FA0-A281-A9A9AA8B2685 /eipi=5488CB36-BE62-4606-B07B-2EE938868BD1
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4108
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4612 -s 1144
  2⤵
  - Program crash
  PID:4584

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4612 -ip 4612
1⤵
PID:3964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4516 -ip 4516
1⤵
PID:1780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

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\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt

Filesize
3KB

MD5
57e20a2bdfbd4699256460ad0538458e

SHA1
4badf0a526d48403932a379df300ae2dab812f64

SHA256
2b95e210a762c79a99b7bb6f682e2f66afa1bebf4935f2bbd763926cfba45387

SHA512
b145f3312ae88e7681746bc064c2b3b6e818114fe9ff2a43b9d30ea0b50d9e0b59bfadf95c20577ac42d1b49586e6d9aacdb7a93477cff5ea755b045c9a3471a

Download Submit
C:\Users\Admin\AppData\Local\Temp\u3k4.0.exe

Filesize
218KB

MD5
28a1ec20020e0f282a7467bfaa73b1bb

SHA1
09321c21c96014d1836b3fe25ffcb3132a6f9ce5

SHA256
9f1c239226fd84c5e2f72a8707cbc0cea05d227515918b4b462e0971332d91a9

SHA512
21b098d4869e930f91d4bf9a7061eaa5e0e365c0462ee3f4653f0317e22b1c0197cb71548ef29be510d58a6b7b9d9dd050c725b675c2e774e75511f5394b384c

Download Submit
C:\Users\Admin\AppData\Local\Temp\u3k4.1.exe

Filesize
4.6MB

MD5
397926927bca55be4a77839b1c44de6e

SHA1
e10f3434ef3021c399dbba047832f02b3c898dbd

SHA256
4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

SHA512
cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

Download Submit
memory/2296-66-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/2296-62-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/4108-89-0x00000150D2470000-0x00000150D24D2000-memory.dmp

Filesize
392KB

Download
memory/4108-84-0x00000150D19A0000-0x00000150D19A8000-memory.dmp

Filesize
32KB

Download
memory/4108-97-0x00000150D2210000-0x00000150D222E000-memory.dmp

Filesize
120KB

Download
memory/4108-95-0x00000150D22B0000-0x00000150D2326000-memory.dmp

Filesize
472KB

Download
memory/4108-67-0x00000150AD400000-0x00000150B0C34000-memory.dmp

Filesize
56.2MB

Download
memory/4108-68-0x00000150CCC00000-0x00000150CCD0A000-memory.dmp

Filesize
1.0MB

Download
memory/4108-69-0x00000150B1030000-0x00000150B1040000-memory.dmp

Filesize
64KB

Download
memory/4108-70-0x00000150CB0B0000-0x00000150CB0BC000-memory.dmp

Filesize
48KB

Download
memory/4108-71-0x00000150B1080000-0x00000150B1094000-memory.dmp

Filesize
80KB

Download
memory/4108-72-0x00000150CC930000-0x00000150CC954000-memory.dmp

Filesize
144KB

Download
memory/4108-73-0x00000150CC950000-0x00000150CC95A000-memory.dmp

Filesize
40KB

Download
memory/4108-74-0x00000150CC970000-0x00000150CC99A000-memory.dmp

Filesize
168KB

Download
memory/4108-75-0x00000150CCE50000-0x00000150CCF02000-memory.dmp

Filesize
712KB

Download
memory/4108-76-0x00000150CCF00000-0x00000150CCF50000-memory.dmp

Filesize
320KB

Download
memory/4108-77-0x00000150CCF50000-0x00000150CCF72000-memory.dmp

Filesize
136KB

Download
memory/4108-78-0x00000150CC960000-0x00000150CC96A000-memory.dmp

Filesize
40KB

Download
memory/4108-82-0x00000150CCF80000-0x00000150CD280000-memory.dmp

Filesize
3.0MB

Download
memory/4108-94-0x00000150D21D0000-0x00000150D21DC000-memory.dmp

Filesize
48KB

Download
memory/4108-85-0x00000150D12E0000-0x00000150D1318000-memory.dmp

Filesize
224KB

Download
memory/4108-86-0x00000150D12B0000-0x00000150D12BE000-memory.dmp

Filesize
56KB

Download
memory/4108-87-0x00000150D12D0000-0x00000150D12D8000-memory.dmp

Filesize
32KB

Download
memory/4108-88-0x00000150D2450000-0x00000150D245A000-memory.dmp

Filesize
40KB

Download
memory/4108-91-0x00000150D2A20000-0x00000150D2F48000-memory.dmp

Filesize
5.2MB

Download
memory/4108-90-0x00000150D24D0000-0x00000150D24F2000-memory.dmp

Filesize
136KB

Download
memory/4516-96-0x0000000000400000-0x0000000002AF3000-memory.dmp

Filesize
38.9MB

Download
memory/4516-65-0x0000000000400000-0x0000000002AF3000-memory.dmp

Filesize
38.9MB

Download
memory/4516-101-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/4516-170-0x0000000000400000-0x0000000002AF3000-memory.dmp

Filesize
38.9MB

Download
memory/4516-185-0x0000000000400000-0x0000000002AF3000-memory.dmp

Filesize
38.9MB

Download
memory/4612-1-0x0000000002B90000-0x0000000002C90000-memory.dmp

Filesize
1024KB

Download
memory/4612-36-0x0000000004760000-0x00000000047CC000-memory.dmp

Filesize
432KB

Download
memory/4612-37-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/4612-26-0x0000000000400000-0x0000000002B22000-memory.dmp

Filesize
39.1MB

Download
memory/4612-3-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/4612-2-0x0000000004760000-0x00000000047CC000-memory.dmp

Filesize
432KB

Download