stealc | 6a215ea22e985683e232334a3b8518d91c4355f686c157bdec99c2f7d87645fd

General

Target

6a215ea22e985683e232334a3b8518d91c4355f686c157bdec99c2f7d87645fd.exe
Size

382KB
MD5

00e81116ae5db5442e3059a4752ee035
SHA1

805977bc2c66817ea08309b06af3653a81294754
SHA256

6a215ea22e985683e232334a3b8518d91c4355f686c157bdec99c2f7d87645fd
SHA512

4c5596618ce8a1fb8b282d60c3ed2236f4f33834b800f29d195730fbbf3230cea5c25413712b6ef725281894ddaf92a0e9a61f1b8199facbabb4379bffe381b2
SSDEEP

6144:L0NTKE3CDWHhQgoFZHaJtrzQr792AiXQvdUodm7iKMceJK2v:L0NGMCaXoFdAFzQrJviXq3w7IJK2v

Score

10^/10

stealc zgrat discovery rat spyware stealer

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes

url_path
/c698e1bc8a2f5e6d.php

Signatures

Detect ZGRat V1 3 IoCs

resource	yara_rule
behavioral2/memory/1052-66-0x000001B9795F0000-0x000001B97CE24000-memory.dmp	family_zgrat_v1
behavioral2/memory/1052-67-0x000001B91A390000-0x000001B91A49A000-memory.dmp	family_zgrat_v1
behavioral2/memory/1052-71-0x000001B91A4E0000-0x000001B91A504000-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

Executes dropped EXE 2 IoCs

pid	Process
4532	urs.0.exe
3668	urs.1.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
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
1308	1000	WerFault.exe	76
4964	4532	WerFault.exe	77

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	urs.1.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	urs.1.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	urs.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	urs.0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	urs.0.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1484	timeout.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

pid	Process
1052	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1052	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1052	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1052	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1052	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1052	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1052	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1052	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1052	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1052	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1052	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1052	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1052	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1052	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1052	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1052	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1052	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1052	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1052	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4532	urs.0.exe
4532	urs.0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1052	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
3668	urs.1.exe
3668	urs.1.exe
3668	urs.1.exe
3668	urs.1.exe
3668	urs.1.exe
3668	urs.1.exe
3668	urs.1.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
3668	urs.1.exe
3668	urs.1.exe
3668	urs.1.exe
3668	urs.1.exe
3668	urs.1.exe
3668	urs.1.exe
3668	urs.1.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1000 wrote to memory of 4532	1000	6a215ea22e985683e232334a3b8518d91c4355f686c157bdec99c2f7d87645fd.exe	77
PID 1000 wrote to memory of 4532	1000	6a215ea22e985683e232334a3b8518d91c4355f686c157bdec99c2f7d87645fd.exe	77
PID 1000 wrote to memory of 4532	1000	6a215ea22e985683e232334a3b8518d91c4355f686c157bdec99c2f7d87645fd.exe	77
PID 1000 wrote to memory of 3668	1000	6a215ea22e985683e232334a3b8518d91c4355f686c157bdec99c2f7d87645fd.exe	80
PID 1000 wrote to memory of 3668	1000	6a215ea22e985683e232334a3b8518d91c4355f686c157bdec99c2f7d87645fd.exe	80
PID 1000 wrote to memory of 3668	1000	6a215ea22e985683e232334a3b8518d91c4355f686c157bdec99c2f7d87645fd.exe	80
PID 3668 wrote to memory of 1052	3668	urs.1.exe	85
PID 3668 wrote to memory of 1052	3668	urs.1.exe	85
PID 4532 wrote to memory of 2256	4532	urs.0.exe	88
PID 4532 wrote to memory of 2256	4532	urs.0.exe	88
PID 4532 wrote to memory of 2256	4532	urs.0.exe	88
PID 2256 wrote to memory of 1484	2256	cmd.exe	91
PID 2256 wrote to memory of 1484	2256	cmd.exe	91
PID 2256 wrote to memory of 1484	2256	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\6a215ea22e985683e232334a3b8518d91c4355f686c157bdec99c2f7d87645fd.exe
"C:\Users\Admin\AppData\Local\Temp\6a215ea22e985683e232334a3b8518d91c4355f686c157bdec99c2f7d87645fd.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1000
- C:\Users\Admin\AppData\Local\Temp\urs.0.exe
  "C:\Users\Admin\AppData\Local\Temp\urs.0.exe"
  2⤵
  - Executes dropped EXE
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4532
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\urs.0.exe" & del "C:\ProgramData\*.dll"" & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2256
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 5
      4⤵
      Delays execution with timeout.exe
      PID:1484
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4532 -s 1576
    3⤵
    - Program crash
    PID:4964
- C:\Users\Admin\AppData\Local\Temp\urs.1.exe
  "C:\Users\Admin\AppData\Local\Temp\urs.1.exe"
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:3668
- - 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:1052
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1000 -s 1164
  2⤵
  - Program crash
  PID:1308

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1000 -ip 1000
1⤵
PID:1996

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 4532 -ip 4532
1⤵
PID:1768

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
3KB

MD5
88fd983e1d38507673bbd9ced9ba40f3

SHA1
f0a7c693c678e1199d9fbbcd25b6093c463fdd43

SHA256
4331c293ad6fbd99669373d73901f6a21529dffc9f40edcfd65a3874cc29b600

SHA512
0f9edec76d5cbdf5e26e04776e0e984bcdc0037aadc0e706186b9ed0ad1093d1e8983641fe9884fd20ce3c27269ab2eb70092673097612f9d817bf2c6fd0a6b3

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

Filesize
240KB

MD5
a5a396650cc1831759ee447062d4593a

SHA1
37bd8f9b348b16378ea9023489243b8725addf82

SHA256
a1f50375231c83613bd18aee62fdeccb52c06445d1eebf5fc7293246746f24a5

SHA512
a3063b2168164df6fd19cec76c7f07f30c4dae3fa5c00b7efb9c3005edbf564705701adbba575280373c916cf31e6450b246d6046de5ca384897d2751ffc2d4c

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

Filesize
4.6MB

MD5
397926927bca55be4a77839b1c44de6e

SHA1
e10f3434ef3021c399dbba047832f02b3c898dbd

SHA256
4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

SHA512
cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

Download Submit
memory/1000-2-0x0000000002FD0000-0x000000000303C000-memory.dmp

Filesize
432KB

Download
memory/1000-1-0x0000000002D90000-0x0000000002E90000-memory.dmp

Filesize
1024KB

Download
memory/1000-3-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/1000-16-0x0000000000400000-0x0000000002B1D000-memory.dmp

Filesize
39.1MB

Download
memory/1000-36-0x0000000002FD0000-0x000000000303C000-memory.dmp

Filesize
432KB

Download
memory/1000-37-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/1000-35-0x0000000000400000-0x0000000002B1D000-memory.dmp

Filesize
39.1MB

Download
memory/1052-72-0x000001B91A650000-0x000001B91A65A000-memory.dmp

Filesize
40KB

Download
memory/1052-90-0x000001B91FA00000-0x000001B91FF28000-memory.dmp

Filesize
5.2MB

Download
memory/1052-66-0x000001B9795F0000-0x000001B97CE24000-memory.dmp

Filesize
56.2MB

Download
memory/1052-67-0x000001B91A390000-0x000001B91A49A000-memory.dmp

Filesize
1.0MB

Download
memory/1052-69-0x000001B91A260000-0x000001B91A26C000-memory.dmp

Filesize
48KB

Download
memory/1052-68-0x000001B9019A0000-0x000001B9019B0000-memory.dmp

Filesize
64KB

Download
memory/1052-70-0x000001B91A120000-0x000001B91A134000-memory.dmp

Filesize
80KB

Download
memory/1052-71-0x000001B91A4E0000-0x000001B91A504000-memory.dmp

Filesize
144KB

Download
memory/1052-96-0x000001B97D300000-0x000001B97D31E000-memory.dmp

Filesize
120KB

Download
memory/1052-73-0x000001B91A680000-0x000001B91A6AA000-memory.dmp

Filesize
168KB

Download
memory/1052-74-0x000001B91A6B0000-0x000001B91A762000-memory.dmp

Filesize
712KB

Download
memory/1052-75-0x000001B97D230000-0x000001B97D280000-memory.dmp

Filesize
320KB

Download
memory/1052-76-0x000001B97D280000-0x000001B97D2A2000-memory.dmp

Filesize
136KB

Download
memory/1052-77-0x000001B91A240000-0x000001B91A24A000-memory.dmp

Filesize
40KB

Download
memory/1052-81-0x000001B91A760000-0x000001B91AA60000-memory.dmp

Filesize
3.0MB

Download
memory/1052-83-0x000001B97D1E0000-0x000001B97D1E8000-memory.dmp

Filesize
32KB

Download
memory/1052-85-0x000001B97D1F0000-0x000001B97D1FE000-memory.dmp

Filesize
56KB

Download
memory/1052-84-0x000001B97D2C0000-0x000001B97D2F8000-memory.dmp

Filesize
224KB

Download
memory/1052-86-0x000001B97D200000-0x000001B97D208000-memory.dmp

Filesize
32KB

Download
memory/1052-89-0x000001B91EB80000-0x000001B91EBA2000-memory.dmp

Filesize
136KB

Download
memory/1052-88-0x000001B91F470000-0x000001B91F4D2000-memory.dmp

Filesize
392KB

Download
memory/1052-87-0x000001B91EB70000-0x000001B91EB7A000-memory.dmp

Filesize
40KB

Download
memory/1052-94-0x000001B97D380000-0x000001B97D3F6000-memory.dmp

Filesize
472KB

Download
memory/1052-93-0x000001B91EBA0000-0x000001B91EBAC000-memory.dmp

Filesize
48KB

Download
memory/3668-65-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/3668-62-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/4532-95-0x0000000000400000-0x0000000002AF9000-memory.dmp

Filesize
39.0MB

Download
memory/4532-98-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/4532-110-0x0000000000400000-0x0000000002AF9000-memory.dmp

Filesize
39.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads