stealc | 0cb6c3f4dccf234573e435d852369ed1eafb10099aac83e3ca4f91cc6c9952b0

General

Target

0cb6c3f4dccf234573e435d852369ed1eafb10099aac83e3ca4f91cc6c9952b0.exe
Size

382KB
MD5

56d46ffa8b32e27d0b2b11c75703ac70
SHA1

ec25bf6871882b57fa3d96e8c71c7386ac223cf4
SHA256

0cb6c3f4dccf234573e435d852369ed1eafb10099aac83e3ca4f91cc6c9952b0
SHA512

a4f7fef85fb79d51fa277138ec51d942a88c697d4557d2c333242b93a3fbcc2e6ac4d4ccc5ff585a7f70c5bc1559ee32dcbaecf380b62aeb8d71417f2d3ed2d8
SSDEEP

6144:L0NTKE3CDWHhQgoFZHaJtrzQr792AiXQvdUodm7iKMceJK2l:L0NGMCaXoFdAFzQrJviXq3w7IJK2l

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
behavioral1/memory/1080-81-0x0000026042EB0000-0x00000260466E4000-memory.dmp	family_zgrat_v1
behavioral1/memory/1080-82-0x0000026061D10000-0x0000026061E1A000-memory.dmp	family_zgrat_v1
behavioral1/memory/1080-86-0x00000260483A0000-0x00000260483C4000-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-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation	0cb6c3f4dccf234573e435d852369ed1eafb10099aac83e3ca4f91cc6c9952b0.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation	uto.0.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation	uto.1.exe

Executes dropped EXE 2 IoCs

pid	Process
4192	uto.0.exe
4376	uto.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
4580	1068	WerFault.exe	82
64	4192	WerFault.exe	92

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

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4472	timeout.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
4192	uto.0.exe
4192	uto.0.exe
1080	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1080	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1080	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1080	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1080	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1080	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1080	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1080	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1080	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1080	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1080	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1080	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1080	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1080	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1080	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1080	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1080	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1080	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1080	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1080	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1080	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1080	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1080	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1080	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1080	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
4376	uto.1.exe
4376	uto.1.exe
4376	uto.1.exe
4376	uto.1.exe
4376	uto.1.exe
4376	uto.1.exe
4376	uto.1.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
4376	uto.1.exe
4376	uto.1.exe
4376	uto.1.exe
4376	uto.1.exe
4376	uto.1.exe
4376	uto.1.exe
4376	uto.1.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1068 wrote to memory of 4192	1068	0cb6c3f4dccf234573e435d852369ed1eafb10099aac83e3ca4f91cc6c9952b0.exe	92
PID 1068 wrote to memory of 4192	1068	0cb6c3f4dccf234573e435d852369ed1eafb10099aac83e3ca4f91cc6c9952b0.exe	92
PID 1068 wrote to memory of 4192	1068	0cb6c3f4dccf234573e435d852369ed1eafb10099aac83e3ca4f91cc6c9952b0.exe	92
PID 1068 wrote to memory of 4376	1068	0cb6c3f4dccf234573e435d852369ed1eafb10099aac83e3ca4f91cc6c9952b0.exe	95
PID 1068 wrote to memory of 4376	1068	0cb6c3f4dccf234573e435d852369ed1eafb10099aac83e3ca4f91cc6c9952b0.exe	95
PID 1068 wrote to memory of 4376	1068	0cb6c3f4dccf234573e435d852369ed1eafb10099aac83e3ca4f91cc6c9952b0.exe	95
PID 4192 wrote to memory of 1708	4192	uto.0.exe	101
PID 4192 wrote to memory of 1708	4192	uto.0.exe	101
PID 4192 wrote to memory of 1708	4192	uto.0.exe	101
PID 1708 wrote to memory of 4472	1708	cmd.exe	105
PID 1708 wrote to memory of 4472	1708	cmd.exe	105
PID 1708 wrote to memory of 4472	1708	cmd.exe	105
PID 4376 wrote to memory of 1080	4376	uto.1.exe	106
PID 4376 wrote to memory of 1080	4376	uto.1.exe	106

C:\Users\Admin\AppData\Local\Temp\0cb6c3f4dccf234573e435d852369ed1eafb10099aac83e3ca4f91cc6c9952b0.exe
"C:\Users\Admin\AppData\Local\Temp\0cb6c3f4dccf234573e435d852369ed1eafb10099aac83e3ca4f91cc6c9952b0.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1068
- C:\Users\Admin\AppData\Local\Temp\uto.0.exe
  "C:\Users\Admin\AppData\Local\Temp\uto.0.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4192
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\uto.0.exe" & del "C:\ProgramData\*.dll"" & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1708
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 5
      4⤵
      Delays execution with timeout.exe
      PID:4472
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4192 -s 1316
    3⤵
    - Program crash
    PID:64
- C:\Users\Admin\AppData\Local\Temp\uto.1.exe
  "C:\Users\Admin\AppData\Local\Temp\uto.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:4376
- - 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:1080
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1068 -s 1600
  2⤵
  - Program crash
  PID:4580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1068 -ip 1068
1⤵
PID:4412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4192 -ip 4192
1⤵
PID:4600

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

4

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\uto.0.exe

Filesize
240KB

MD5
a5a396650cc1831759ee447062d4593a

SHA1
37bd8f9b348b16378ea9023489243b8725addf82

SHA256
a1f50375231c83613bd18aee62fdeccb52c06445d1eebf5fc7293246746f24a5

SHA512
a3063b2168164df6fd19cec76c7f07f30c4dae3fa5c00b7efb9c3005edbf564705701adbba575280373c916cf31e6450b246d6046de5ca384897d2751ffc2d4c

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

Filesize
4.6MB

MD5
397926927bca55be4a77839b1c44de6e

SHA1
e10f3434ef3021c399dbba047832f02b3c898dbd

SHA256
4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

SHA512
cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

Download Submit
memory/1068-1-0x0000000002E40000-0x0000000002F40000-memory.dmp

Filesize
1024KB

Download
memory/1068-2-0x00000000047E0000-0x000000000484C000-memory.dmp

Filesize
432KB

Download
memory/1068-3-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/1068-16-0x0000000000400000-0x0000000002B1D000-memory.dmp

Filesize
39.1MB

Download
memory/1068-33-0x00000000047E0000-0x000000000484C000-memory.dmp

Filesize
432KB

Download
memory/1068-34-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/1068-32-0x0000000000400000-0x0000000002B1D000-memory.dmp

Filesize
39.1MB

Download
memory/1080-98-0x0000026066BA0000-0x0000026066BA8000-memory.dmp

Filesize
32KB

Download
memory/1080-88-0x0000026061FC0000-0x0000026061FEA000-memory.dmp

Filesize
168KB

Download
memory/1080-110-0x0000026067410000-0x000002606742E000-memory.dmp

Filesize
120KB

Download
memory/1080-109-0x00000260674B0000-0x0000026067526000-memory.dmp

Filesize
472KB

Download
memory/1080-108-0x00000260673D0000-0x00000260673DC000-memory.dmp

Filesize
48KB

Download
memory/1080-81-0x0000026042EB0000-0x00000260466E4000-memory.dmp

Filesize
56.2MB

Download
memory/1080-82-0x0000026061D10000-0x0000026061E1A000-memory.dmp

Filesize
1.0MB

Download
memory/1080-84-0x0000026048390000-0x000002604839C000-memory.dmp

Filesize
48KB

Download
memory/1080-85-0x0000026048380000-0x0000026048394000-memory.dmp

Filesize
80KB

Download
memory/1080-86-0x00000260483A0000-0x00000260483C4000-memory.dmp

Filesize
144KB

Download
memory/1080-83-0x0000026048360000-0x0000026048370000-memory.dmp

Filesize
64KB

Download
memory/1080-87-0x0000026061FA0000-0x0000026061FAA000-memory.dmp

Filesize
40KB

Download
memory/1080-90-0x0000026062100000-0x0000026062150000-memory.dmp

Filesize
320KB

Download
memory/1080-89-0x0000026062000000-0x00000260620B2000-memory.dmp

Filesize
712KB

Download
memory/1080-91-0x0000026062150000-0x0000026062172000-memory.dmp

Filesize
136KB

Download
memory/1080-105-0x0000026067C20000-0x0000026068148000-memory.dmp

Filesize
5.2MB

Download
memory/1080-96-0x0000026062180000-0x0000026062480000-memory.dmp

Filesize
3.0MB

Download
memory/1080-92-0x0000026061FB0000-0x0000026061FBA000-memory.dmp

Filesize
40KB

Download
memory/1080-102-0x0000026067650000-0x000002606765A000-memory.dmp

Filesize
40KB

Download
memory/1080-101-0x00000260664D0000-0x00000260664D8000-memory.dmp

Filesize
32KB

Download
memory/1080-100-0x00000260664B0000-0x00000260664BE000-memory.dmp

Filesize
56KB

Download
memory/1080-99-0x00000260664E0000-0x0000026066518000-memory.dmp

Filesize
224KB

Download
memory/1080-104-0x00000260676D0000-0x00000260676F2000-memory.dmp

Filesize
136KB

Download
memory/1080-103-0x0000026067670000-0x00000260676D2000-memory.dmp

Filesize
392KB

Download
memory/4192-39-0x0000000000400000-0x0000000002AF9000-memory.dmp

Filesize
39.0MB

Download
memory/4192-55-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/4192-67-0x0000000000400000-0x0000000002AF9000-memory.dmp

Filesize
39.0MB

Download
memory/4376-80-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/4376-68-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads