stealc | 6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1

General

Target

6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe
Size

416KB
MD5

269457f620a3a0d00c2dca23c405a2d8
SHA1

2a841b41ce97d35de6601a148c5fb40d03062941
SHA256

6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1
SHA512

0e5e3de366f4e37a40539836379021a6bc127d209cb9f76421ee79a9c41541868d511395af8bd797b930944be1e0cb754a0fc29e8b2bfc056158420b032392d8
SSDEEP

6144:Z5YuR8GzWWGtJf1/NoL+TcbtnqJPMfsvJQjN+tu8BjtlLCSzE4Rx58VVFrk01:JR8GzWWSZ1g+w5qJmjNMu6h9vzE44k01

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/1416-53-0x0000021287610000-0x000002128AE44000-memory.dmp	family_zgrat_v1
behavioral2/memory/1416-55-0x00000212A56D0000-0x00000212A57DA000-memory.dmp	family_zgrat_v1
behavioral2/memory/1416-59-0x00000212A53B0000-0x00000212A53D4000-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
5060	u2gw.0.exe
1440	u2gw.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
1580	5060	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 opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u2gw.1.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u2gw.1.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u2gw.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	u2gw.0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	u2gw.0.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
1416	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1416	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1416	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1416	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1416	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1416	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1416	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1416	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1416	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1416	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1416	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1416	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1416	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1416	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1416	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1416	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1416	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
5060	u2gw.0.exe
5060	u2gw.0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1416	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
1440	u2gw.1.exe
1440	u2gw.1.exe
1440	u2gw.1.exe
1440	u2gw.1.exe
1440	u2gw.1.exe
1440	u2gw.1.exe
1440	u2gw.1.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
1440	u2gw.1.exe
1440	u2gw.1.exe
1440	u2gw.1.exe
1440	u2gw.1.exe
1440	u2gw.1.exe
1440	u2gw.1.exe
1440	u2gw.1.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3200 wrote to memory of 5060	3200	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe	72
PID 3200 wrote to memory of 5060	3200	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe	72
PID 3200 wrote to memory of 5060	3200	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe	72
PID 3200 wrote to memory of 1440	3200	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe	74
PID 3200 wrote to memory of 1440	3200	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe	74
PID 3200 wrote to memory of 1440	3200	6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe	74
PID 1440 wrote to memory of 1416	1440	u2gw.1.exe	77
PID 1440 wrote to memory of 1416	1440	u2gw.1.exe	77

C:\Users\Admin\AppData\Local\Temp\6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe
"C:\Users\Admin\AppData\Local\Temp\6530e6582e851c1ab7f42f8af1d1ebff7f4e83bec5869182d0d1eb05a34dccf1.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3200
- C:\Users\Admin\AppData\Local\Temp\u2gw.0.exe
  "C:\Users\Admin\AppData\Local\Temp\u2gw.0.exe"
  2⤵
  - Executes dropped EXE
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:5060
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5060 -s 1176
    3⤵
    - Program crash
    PID:1580
- C:\Users\Admin\AppData\Local\Temp\u2gw.1.exe
  "C:\Users\Admin\AppData\Local\Temp\u2gw.1.exe"
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:1440
- - 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:1416

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
f5df9c802aa7d86fab3033732716de3a

SHA1
605ed7a5b9cf0161487d4d020a6be9b9c135a3a0

SHA256
3be7fefb4979107c2c30768bfa9de173dd23cdce4e97691afb5f916e62ee8823

SHA512
04f91d723d96586dfcde6026f5d3a74d554180439f3241fa8436659eb8190557853951ed614a85182a16dd8d9a8ce2355334ed042ac61cf19851d4b2e3fdd889

Download Submit
C:\Users\Admin\AppData\Local\Temp\u2gw.0.exe

Filesize
223KB

MD5
280229b137b0f36f2b18b9bc7841995d

SHA1
d800c8ecc758ccacfe9a91efd45904efcc17b84a

SHA256
49533fc0ca008e430d35fdabab4b200a70e629e62f5b16f9157b5a82b6494536

SHA512
aeb7566ad83b6b1a01e2d8f6e557a18a75a8bd4229f72cc9e1b1ffe9dd86d14469937eea221e0d436274d4444d4f1732098b98ca3ddc3c7aec65867107fbdec5

Download Submit
C:\Users\Admin\AppData\Local\Temp\u2gw.1.exe

Filesize
4.6MB

MD5
397926927bca55be4a77839b1c44de6e

SHA1
e10f3434ef3021c399dbba047832f02b3c898dbd

SHA256
4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

SHA512
cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

Download Submit
memory/1416-75-0x00000212AA600000-0x00000212AA662000-memory.dmp

Filesize
392KB

Download
memory/1416-63-0x00000212A5AC0000-0x00000212A5B10000-memory.dmp

Filesize
320KB

Download
memory/1416-82-0x00000212AA6A0000-0x00000212AA6BE000-memory.dmp

Filesize
120KB

Download
memory/1416-81-0x00000212AA740000-0x00000212AA7B6000-memory.dmp

Filesize
472KB

Download
memory/1416-80-0x00000212AA5F0000-0x00000212AA5FC000-memory.dmp

Filesize
48KB

Download
memory/1416-77-0x00000212AABB0000-0x00000212AB0D6000-memory.dmp

Filesize
5.1MB

Download
memory/1416-74-0x00000212AA5E0000-0x00000212AA5EA000-memory.dmp

Filesize
40KB

Download
memory/1416-53-0x0000021287610000-0x000002128AE44000-memory.dmp

Filesize
56.2MB

Download
memory/1416-76-0x00000212AA660000-0x00000212AA682000-memory.dmp

Filesize
136KB

Download
memory/1416-55-0x00000212A56D0000-0x00000212A57DA000-memory.dmp

Filesize
1.0MB

Download
memory/1416-64-0x00000212A5470000-0x00000212A5492000-memory.dmp

Filesize
136KB

Download
memory/1416-57-0x000002128CBC0000-0x000002128CBCC000-memory.dmp

Filesize
48KB

Download
memory/1416-58-0x000002128CBB0000-0x000002128CBC4000-memory.dmp

Filesize
80KB

Download
memory/1416-59-0x00000212A53B0000-0x00000212A53D4000-memory.dmp

Filesize
144KB

Download
memory/1416-61-0x00000212A5440000-0x00000212A546A000-memory.dmp

Filesize
168KB

Download
memory/1416-60-0x00000212A53E0000-0x00000212A53EA000-memory.dmp

Filesize
40KB

Download
memory/1416-73-0x00000212A9CB0000-0x00000212A9CB8000-memory.dmp

Filesize
32KB

Download
memory/1416-62-0x00000212A5A10000-0x00000212A5AC2000-memory.dmp

Filesize
712KB

Download
memory/1416-56-0x000002128CB40000-0x000002128CB50000-memory.dmp

Filesize
64KB

Download
memory/1416-65-0x000002128CB90000-0x000002128CB9A000-memory.dmp

Filesize
40KB

Download
memory/1416-69-0x00000212A5B10000-0x00000212A5E10000-memory.dmp

Filesize
3.0MB

Download
memory/1416-71-0x00000212A9C50000-0x00000212A9C58000-memory.dmp

Filesize
32KB

Download
memory/1416-72-0x00000212AA2E0000-0x00000212AA318000-memory.dmp

Filesize
224KB

Download
memory/1440-52-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/1440-49-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/3200-1-0x00007FFC29290000-0x00007FFC2946B000-memory.dmp

Filesize
1.9MB

Download
memory/3200-15-0x0000000000400000-0x0000000001A32000-memory.dmp

Filesize
22.2MB

Download
memory/3200-9-0x0000000000400000-0x0000000001A32000-memory.dmp

Filesize
22.2MB

Download
memory/5060-10-0x0000000000400000-0x0000000002574000-memory.dmp

Filesize
33.5MB

Download
memory/5060-54-0x0000000000400000-0x0000000002574000-memory.dmp

Filesize
33.5MB

Download
memory/5060-8-0x00007FFC29290000-0x00007FFC2946B000-memory.dmp

Filesize
1.9MB

Download
memory/5060-85-0x0000000000400000-0x0000000002574000-memory.dmp

Filesize
33.5MB

Download
memory/5060-87-0x0000000000400000-0x0000000002574000-memory.dmp

Filesize
33.5MB

Download
memory/5060-89-0x0000000000400000-0x0000000002574000-memory.dmp

Filesize
33.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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