stealc | 0afea8ee1b237192d32787bffa9dc9f6a22f8a451a35065921f8b327e44ebecd

Analysis

max time kernel
147s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
09-05-2024 15:49

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General

Target

0afea8ee1b237192d32787bffa9dc9f6a22f8a451a35065921f8b327e44ebecd.exe
Size

382KB
MD5

cc3799537fd556b4c556e49e470e30e3
SHA1

d0d5c688a533decec1aab2f785a605f878e8066f
SHA256

0afea8ee1b237192d32787bffa9dc9f6a22f8a451a35065921f8b327e44ebecd
SHA512

4a509af6908563466c2ab5d5c820e385bb830a2c8448e68991389bcf397b79115910ca4befccad68d772193a4638522d7d58c1752608bba245763d5b9e552980
SSDEEP

6144:6vNgu2vVzeAvNremF2xnbfS13eB43pvuL7HpyEeJKXI:6vNL2vVSzmQxnbf4mCSHpy9JKXI

Score

10^/10

stealc zgrat discovery rat 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/3984-66-0x00000204332F0000-0x0000020436B24000-memory.dmp	family_zgrat_v1
behavioral2/memory/3984-67-0x0000020451360000-0x000002045146A000-memory.dmp	family_zgrat_v1
behavioral2/memory/3984-71-0x0000020451260000-0x0000020451284000-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
5092	uq0.0.exe
1948	uq0.1.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 2 IoCs

pid	pid_target	Process	procid_target
2008	936	WerFault.exe	77
1416	5092	WerFault.exe	78

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	uq0.1.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	uq0.1.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	uq0.1.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	uq0.0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	uq0.0.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
3984	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
3984	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
3984	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
3984	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
3984	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
3984	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
3984	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
3984	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
3984	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
3984	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
3984	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
3984	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
3984	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
3984	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
3984	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
3984	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
3984	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
3984	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
3984	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
3984	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
3984	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
5092	uq0.0.exe
5092	uq0.0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3984	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
1948	uq0.1.exe
1948	uq0.1.exe
1948	uq0.1.exe
1948	uq0.1.exe
1948	uq0.1.exe
1948	uq0.1.exe
1948	uq0.1.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
1948	uq0.1.exe
1948	uq0.1.exe
1948	uq0.1.exe
1948	uq0.1.exe
1948	uq0.1.exe
1948	uq0.1.exe
1948	uq0.1.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 936 wrote to memory of 5092	936	0afea8ee1b237192d32787bffa9dc9f6a22f8a451a35065921f8b327e44ebecd.exe	78
PID 936 wrote to memory of 5092	936	0afea8ee1b237192d32787bffa9dc9f6a22f8a451a35065921f8b327e44ebecd.exe	78
PID 936 wrote to memory of 5092	936	0afea8ee1b237192d32787bffa9dc9f6a22f8a451a35065921f8b327e44ebecd.exe	78
PID 936 wrote to memory of 1948	936	0afea8ee1b237192d32787bffa9dc9f6a22f8a451a35065921f8b327e44ebecd.exe	81
PID 936 wrote to memory of 1948	936	0afea8ee1b237192d32787bffa9dc9f6a22f8a451a35065921f8b327e44ebecd.exe	81
PID 936 wrote to memory of 1948	936	0afea8ee1b237192d32787bffa9dc9f6a22f8a451a35065921f8b327e44ebecd.exe	81
PID 1948 wrote to memory of 3984	1948	uq0.1.exe	86
PID 1948 wrote to memory of 3984	1948	uq0.1.exe	86

C:\Users\Admin\AppData\Local\Temp\0afea8ee1b237192d32787bffa9dc9f6a22f8a451a35065921f8b327e44ebecd.exe
"C:\Users\Admin\AppData\Local\Temp\0afea8ee1b237192d32787bffa9dc9f6a22f8a451a35065921f8b327e44ebecd.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:936
- C:\Users\Admin\AppData\Local\Temp\uq0.0.exe
  "C:\Users\Admin\AppData\Local\Temp\uq0.0.exe"
  2⤵
  - Executes dropped EXE
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:5092
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5092 -s 1100
    3⤵
    - Program crash
    PID:1416
- C:\Users\Admin\AppData\Local\Temp\uq0.1.exe
  "C:\Users\Admin\AppData\Local\Temp\uq0.1.exe"
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:1948
- - 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:3984
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 936 -s 1512
  2⤵
  - Program crash
  PID:2008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 936 -ip 936
1⤵
PID:4116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 5092 -ip 5092
1⤵
PID:1832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
2KB

MD5
904b0a0136389d5117b7a5f184f943be

SHA1
91fc7c549b27284080834fef31ecbf5b4bb42017

SHA256
6334d1218fa38881b23824e427072de70cd0b54396070fedf80e2eaa501939ef

SHA512
fd972e6971cfaf0fb726df492aa0336751c1464e2df7e28ca8914a3bd345eced36b99c63cf1f2d658fd1edf175740adf141ab734784df7d422107e281ce3dcb7

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

Filesize
3KB

MD5
27b63acefd6e863294590c946487dbdd

SHA1
3f1d223107665481a77f21c9c1544d42cc4e7620

SHA256
e508c8338d00254408b346d9e0d98eeb66389fc76e228c4f3b5d47a734ac593a

SHA512
2ff97db7c4f506f5c99ee8f1f9fca130eeecf8fac73f9cfadb41cf4a00947a761c6bc1aff3baed4d0568c2b15e48bf636f86d5d5010294d32cf6d5c9e878b223

Download Submit
C:\Users\Admin\AppData\Local\Temp\uq0.0.exe

Filesize
218KB

MD5
967d1d2071a7f0afa075145319eea73d

SHA1
43208843e80266106e5c96867e7113e90a6f0b59

SHA256
dce56b03d138ced62c5137c164d18240efe3e4a084c70547614b657e2049c6af

SHA512
a7934590abdf271c8ce450ef02bd2fef6aecded10390312f7a340071920e8044886a28dfa8fc415c7da6971c79e85347c5669d73da4a179fc8a56838cd114669

Download Submit
C:\Users\Admin\AppData\Local\Temp\uq0.1.exe

Filesize
4.6MB

MD5
397926927bca55be4a77839b1c44de6e

SHA1
e10f3434ef3021c399dbba047832f02b3c898dbd

SHA256
4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

SHA512
cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

Download Submit
memory/936-3-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/936-2-0x0000000002E90000-0x0000000002EFC000-memory.dmp

Filesize
432KB

Download
memory/936-31-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/936-30-0x0000000000400000-0x0000000002B1D000-memory.dmp

Filesize
39.1MB

Download
memory/936-1-0x0000000002C80000-0x0000000002D80000-memory.dmp

Filesize
1024KB

Download
memory/1948-62-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/1948-65-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/3984-73-0x00000204512E0000-0x000002045130A000-memory.dmp

Filesize
168KB

Download
memory/3984-83-0x00000204553D0000-0x00000204553D8000-memory.dmp

Filesize
32KB

Download
memory/3984-66-0x00000204332F0000-0x0000020436B24000-memory.dmp

Filesize
56.2MB

Download
memory/3984-67-0x0000020451360000-0x000002045146A000-memory.dmp

Filesize
1.0MB

Download
memory/3984-68-0x0000020436FB0000-0x0000020436FC0000-memory.dmp

Filesize
64KB

Download
memory/3984-69-0x0000020451200000-0x000002045120C000-memory.dmp

Filesize
48KB

Download
memory/3984-70-0x0000020437040000-0x0000020437054000-memory.dmp

Filesize
80KB

Download
memory/3984-71-0x0000020451260000-0x0000020451284000-memory.dmp

Filesize
144KB

Download
memory/3984-74-0x00000204515C0000-0x0000020451672000-memory.dmp

Filesize
712KB

Download
memory/3984-95-0x0000020456230000-0x000002045624E000-memory.dmp

Filesize
120KB

Download
memory/3984-72-0x0000020451290000-0x000002045129A000-memory.dmp

Filesize
40KB

Download
memory/3984-75-0x00000204516C0000-0x0000020451710000-memory.dmp

Filesize
320KB

Download
memory/3984-76-0x0000020451670000-0x0000020451692000-memory.dmp

Filesize
136KB

Download
memory/3984-77-0x00000204512A0000-0x00000204512AA000-memory.dmp

Filesize
40KB

Download
memory/3984-81-0x0000020451710000-0x0000020451A10000-memory.dmp

Filesize
3.0MB

Download
memory/3984-94-0x00000204562D0000-0x0000020456346000-memory.dmp

Filesize
472KB

Download
memory/3984-85-0x0000020455AA0000-0x0000020455AAE000-memory.dmp

Filesize
56KB

Download
memory/3984-84-0x0000020455AE0000-0x0000020455B18000-memory.dmp

Filesize
224KB

Download
memory/3984-86-0x0000020455AC0000-0x0000020455AC8000-memory.dmp

Filesize
32KB

Download
memory/3984-88-0x0000020456180000-0x00000204561E2000-memory.dmp

Filesize
392KB

Download
memory/3984-87-0x00000204563F0000-0x00000204563FA000-memory.dmp

Filesize
40KB

Download
memory/3984-89-0x00000204561E0000-0x0000020456202000-memory.dmp

Filesize
136KB

Download
memory/3984-90-0x0000020456930000-0x0000020456E58000-memory.dmp

Filesize
5.2MB

Download
memory/3984-93-0x0000020456170000-0x000002045617C000-memory.dmp

Filesize
48KB

Download
memory/5092-52-0x0000000000400000-0x0000000002AF4000-memory.dmp

Filesize
39.0MB

Download
memory/5092-36-0x0000000000400000-0x0000000002AF4000-memory.dmp

Filesize
39.0MB

Download
memory/5092-98-0x0000000000400000-0x0000000002AF4000-memory.dmp

Filesize
39.0MB

Download
memory/5092-100-0x0000000000400000-0x0000000002AF4000-memory.dmp

Filesize
39.0MB

Download
memory/5092-102-0x0000000000400000-0x0000000002AF4000-memory.dmp

Filesize
39.0MB

Download
memory/5092-104-0x0000000000400000-0x0000000002AF4000-memory.dmp

Filesize
39.0MB

Download