stealc | 364e800c0cf1962f36e41f8f1a5a1029decb25007c712277275729e299543683

General

Target

364e800c0cf1962f36e41f8f1a5a1029decb25007c712277275729e299543683.exe
Size

408KB
MD5

a4dcfaa13e52e432fc8fdca623c6f01e
SHA1

a31d46c6989187943a2ff623c0ce40989dc22739
SHA256

364e800c0cf1962f36e41f8f1a5a1029decb25007c712277275729e299543683
SHA512

ef19c81dfbc921c4e2201f97b3e42895bad3a8783f92ed4d0a69b5e76729115e6b127591041cdd245e9f32db36f0955b12ee4ab1014ac53ab5560ad6aaa5b6bb
SSDEEP

6144:Et/Mq3iBOHmgiOSbXEX1Hj09wKU2mvAJgiBthwUl:LaRilbUX2jS2Bt2Ul

Score

10^/10

stealc zgrat discovery rat 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/4992-54-0x0000017982DA0000-0x00000179865D4000-memory.dmp	family_zgrat_v1
behavioral2/memory/4992-55-0x00000179A0DA0000-0x00000179A0EAA000-memory.dmp	family_zgrat_v1
behavioral2/memory/4992-59-0x00000179A0C50000-0x00000179A0C74000-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
1260	u2u0.0.exe
204	u2u0.1.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
2164	1260	WerFault.exe	72

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 enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u2u0.1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u2u0.1.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u2u0.1.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	u2u0.0.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	u2u0.0.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

pid	Process
4992	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4992	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4992	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4992	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4992	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4992	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4992	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4992	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4992	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4992	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4992	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4992	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4992	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4992	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4992	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1260	u2u0.0.exe
1260	u2u0.0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4992	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
204	u2u0.1.exe
204	u2u0.1.exe
204	u2u0.1.exe
204	u2u0.1.exe
204	u2u0.1.exe
204	u2u0.1.exe
204	u2u0.1.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
204	u2u0.1.exe
204	u2u0.1.exe
204	u2u0.1.exe
204	u2u0.1.exe
204	u2u0.1.exe
204	u2u0.1.exe
204	u2u0.1.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3672 wrote to memory of 1260	3672	364e800c0cf1962f36e41f8f1a5a1029decb25007c712277275729e299543683.exe	72
PID 3672 wrote to memory of 1260	3672	364e800c0cf1962f36e41f8f1a5a1029decb25007c712277275729e299543683.exe	72
PID 3672 wrote to memory of 1260	3672	364e800c0cf1962f36e41f8f1a5a1029decb25007c712277275729e299543683.exe	72
PID 3672 wrote to memory of 204	3672	364e800c0cf1962f36e41f8f1a5a1029decb25007c712277275729e299543683.exe	74
PID 3672 wrote to memory of 204	3672	364e800c0cf1962f36e41f8f1a5a1029decb25007c712277275729e299543683.exe	74
PID 3672 wrote to memory of 204	3672	364e800c0cf1962f36e41f8f1a5a1029decb25007c712277275729e299543683.exe	74
PID 204 wrote to memory of 4992	204	u2u0.1.exe	77
PID 204 wrote to memory of 4992	204	u2u0.1.exe	77

C:\Users\Admin\AppData\Local\Temp\364e800c0cf1962f36e41f8f1a5a1029decb25007c712277275729e299543683.exe
"C:\Users\Admin\AppData\Local\Temp\364e800c0cf1962f36e41f8f1a5a1029decb25007c712277275729e299543683.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3672
- C:\Users\Admin\AppData\Local\Temp\u2u0.0.exe
  "C:\Users\Admin\AppData\Local\Temp\u2u0.0.exe"
  2⤵
  - Executes dropped EXE
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:1260
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1260 -s 808
    3⤵
    - Program crash
    PID:2164
- C:\Users\Admin\AppData\Local\Temp\u2u0.1.exe
  "C:\Users\Admin\AppData\Local\Temp\u2u0.1.exe"
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:204
- - 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:4992

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
3KB

MD5
67cbcaba15e9f451a5654590f446a145

SHA1
535cf989f78be7496f52bf46e65bf7f9d78f7dc9

SHA256
86c46deabac8b973c9f57e3708d27ba1027e0929b87ca359fdc41674e291185c

SHA512
bd102a6893f482bd472e1740d796181c6d8ff325072fdb8a1a34ca7c5c966c69ec75e316f64232a49abc5e6ff5fc363685a5f7c44983b8e90238d1261ae29971

Download Submit
C:\Users\Admin\AppData\Local\Temp\u2u0.0.exe

Filesize
223KB

MD5
280229b137b0f36f2b18b9bc7841995d

SHA1
d800c8ecc758ccacfe9a91efd45904efcc17b84a

SHA256
49533fc0ca008e430d35fdabab4b200a70e629e62f5b16f9157b5a82b6494536

SHA512
aeb7566ad83b6b1a01e2d8f6e557a18a75a8bd4229f72cc9e1b1ffe9dd86d14469937eea221e0d436274d4444d4f1732098b98ca3ddc3c7aec65867107fbdec5

Download Submit
C:\Users\Admin\AppData\Local\Temp\u2u0.1.exe

Filesize
4.6MB

MD5
397926927bca55be4a77839b1c44de6e

SHA1
e10f3434ef3021c399dbba047832f02b3c898dbd

SHA256
4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

SHA512
cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

Download Submit
memory/204-53-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/204-43-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/1260-91-0x0000000000400000-0x0000000002574000-memory.dmp

Filesize
33.5MB

Download
memory/1260-41-0x0000000000400000-0x0000000002574000-memory.dmp

Filesize
33.5MB

Download
memory/1260-89-0x0000000000400000-0x0000000002574000-memory.dmp

Filesize
33.5MB

Download
memory/1260-87-0x0000000000400000-0x0000000002574000-memory.dmp

Filesize
33.5MB

Download
memory/1260-85-0x0000000000400000-0x0000000002574000-memory.dmp

Filesize
33.5MB

Download
memory/3672-16-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/3672-14-0x0000000000400000-0x0000000002B23000-memory.dmp

Filesize
39.1MB

Download
memory/3672-15-0x0000000002EC0000-0x0000000002F2C000-memory.dmp

Filesize
432KB

Download
memory/3672-3-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/3672-2-0x0000000002EC0000-0x0000000002F2C000-memory.dmp

Filesize
432KB

Download
memory/3672-1-0x0000000002BD0000-0x0000000002CD0000-memory.dmp

Filesize
1024KB

Download
memory/4992-60-0x00000179A0C80000-0x00000179A0C8A000-memory.dmp

Filesize
40KB

Download
memory/4992-74-0x00000179A5440000-0x00000179A5448000-memory.dmp

Filesize
32KB

Download
memory/4992-58-0x00000179A0BE0000-0x00000179A0BF4000-memory.dmp

Filesize
80KB

Download
memory/4992-61-0x00000179A1100000-0x00000179A11B2000-memory.dmp

Filesize
712KB

Download
memory/4992-62-0x00000179A11B0000-0x00000179A11DA000-memory.dmp

Filesize
168KB

Download
memory/4992-63-0x00000179A1230000-0x00000179A1280000-memory.dmp

Filesize
320KB

Download
memory/4992-64-0x00000179A1280000-0x00000179A12A2000-memory.dmp

Filesize
136KB

Download
memory/4992-65-0x00000179883E0000-0x00000179883EA000-memory.dmp

Filesize
40KB

Download
memory/4992-69-0x00000179A12B0000-0x00000179A15B0000-memory.dmp

Filesize
3.0MB

Download
memory/4992-72-0x00000179A53E0000-0x00000179A53E8000-memory.dmp

Filesize
32KB

Download
memory/4992-73-0x00000179A5A70000-0x00000179A5AA8000-memory.dmp

Filesize
224KB

Download
memory/4992-59-0x00000179A0C50000-0x00000179A0C74000-memory.dmp

Filesize
144KB

Download
memory/4992-75-0x00000179A5D70000-0x00000179A5D7A000-memory.dmp

Filesize
40KB

Download
memory/4992-77-0x00000179A5DF0000-0x00000179A5E12000-memory.dmp

Filesize
136KB

Download
memory/4992-76-0x00000179A5D90000-0x00000179A5DF2000-memory.dmp

Filesize
392KB

Download
memory/4992-78-0x00000179A6340000-0x00000179A6866000-memory.dmp

Filesize
5.1MB

Download
memory/4992-81-0x00000179A5D80000-0x00000179A5D8C000-memory.dmp

Filesize
48KB

Download
memory/4992-82-0x00000179A5ED0000-0x00000179A5F46000-memory.dmp

Filesize
472KB

Download
memory/4992-83-0x00000179A5E30000-0x00000179A5E4E000-memory.dmp

Filesize
120KB

Download
memory/4992-56-0x00000179A0BD0000-0x00000179A0BE0000-memory.dmp

Filesize
64KB

Download
memory/4992-57-0x00000179A0BF0000-0x00000179A0BFC000-memory.dmp

Filesize
48KB

Download
memory/4992-55-0x00000179A0DA0000-0x00000179A0EAA000-memory.dmp

Filesize
1.0MB

Download
memory/4992-54-0x0000017982DA0000-0x00000179865D4000-memory.dmp

Filesize
56.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads