stealc | 7e264ee2ab069a92bef6e19ab517e411271370ca5140b3441b833ac36763fef7

Analysis

max time kernel
126s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
17/04/2024, 12:25

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General

Target

7e264ee2ab069a92bef6e19ab517e411271370ca5140b3441b833ac36763fef7.exe
Size

448KB
MD5

1325b50b632883a239fe24c69fbad286
SHA1

a468fd15ebda14c6cab408d1729f5283569255f8
SHA256

7e264ee2ab069a92bef6e19ab517e411271370ca5140b3441b833ac36763fef7
SHA512

47b35e8575a37bbc4c4b5eedbc75b29ef8f71757f72c350b9af3ee6919e983ee0d23d33d47b38674920326404842d1c515007cab7a50e0ac128238ec39faa14e
SSDEEP

6144:cBhXgx3LCH+23nsIQ5IW4KjUTycThlDfERZsywz+FF:cX83L2ntPLKATyc/SrPFF

Score

10^/10

stealc zgrat rat stealer

Malware Config

Signatures

Detect ZGRat V1 3 IoCs

resource	yara_rule
behavioral1/memory/1400-67-0x000002B2CDEE0000-0x000002B2D17D8000-memory.dmp	family_zgrat_v1
behavioral1/memory/1400-69-0x000002B2ECEB0000-0x000002B2ECFC0000-memory.dmp	family_zgrat_v1
behavioral1/memory/1400-73-0x000002B2D35F0000-0x000002B2D3614000-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 2 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-1-5-21-355664440-2199602304-1223909400-1000\Control Panel\International\Geo\Nation	7e264ee2ab069a92bef6e19ab517e411271370ca5140b3441b833ac36763fef7.exe
Key value queried	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\Control Panel\International\Geo\Nation	u2cg.1.exe

Executes dropped EXE 2 IoCs

pid	Process
2780	u2cg.0.exe
5036	u2cg.1.exe

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
1412	2780	WerFault.exe	88
4384	3040	WerFault.exe	82

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	u2cg.1.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u2cg.1.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u2cg.1.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
1400	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1400	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1400	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1400	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1400	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1400	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1400	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1400	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1400	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1400	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1400	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1400	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1400	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1400	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1400	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1400	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1400	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1400	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1400	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1400	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1400	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1400	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
1400	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1400	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
5036	u2cg.1.exe
5036	u2cg.1.exe
5036	u2cg.1.exe
5036	u2cg.1.exe
5036	u2cg.1.exe
5036	u2cg.1.exe
5036	u2cg.1.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
5036	u2cg.1.exe
5036	u2cg.1.exe
5036	u2cg.1.exe
5036	u2cg.1.exe
5036	u2cg.1.exe
5036	u2cg.1.exe
5036	u2cg.1.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 2780	3040	7e264ee2ab069a92bef6e19ab517e411271370ca5140b3441b833ac36763fef7.exe	88
PID 3040 wrote to memory of 2780	3040	7e264ee2ab069a92bef6e19ab517e411271370ca5140b3441b833ac36763fef7.exe	88
PID 3040 wrote to memory of 2780	3040	7e264ee2ab069a92bef6e19ab517e411271370ca5140b3441b833ac36763fef7.exe	88
PID 3040 wrote to memory of 5036	3040	7e264ee2ab069a92bef6e19ab517e411271370ca5140b3441b833ac36763fef7.exe	93
PID 3040 wrote to memory of 5036	3040	7e264ee2ab069a92bef6e19ab517e411271370ca5140b3441b833ac36763fef7.exe	93
PID 3040 wrote to memory of 5036	3040	7e264ee2ab069a92bef6e19ab517e411271370ca5140b3441b833ac36763fef7.exe	93
PID 5036 wrote to memory of 1400	5036	u2cg.1.exe	97
PID 5036 wrote to memory of 1400	5036	u2cg.1.exe	97

C:\Users\Admin\AppData\Local\Temp\7e264ee2ab069a92bef6e19ab517e411271370ca5140b3441b833ac36763fef7.exe
"C:\Users\Admin\AppData\Local\Temp\7e264ee2ab069a92bef6e19ab517e411271370ca5140b3441b833ac36763fef7.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3040
- C:\Users\Admin\AppData\Local\Temp\u2cg.0.exe
  "C:\Users\Admin\AppData\Local\Temp\u2cg.0.exe"
  2⤵
  - Executes dropped EXE
  PID:2780
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2780 -s 1068
    3⤵
    - Program crash
    PID:1412
- C:\Users\Admin\AppData\Local\Temp\u2cg.1.exe
  "C:\Users\Admin\AppData\Local\Temp\u2cg.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:5036
- - 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:1400
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3040 -s 1000
  2⤵
  - Program crash
  PID:4384

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2780 -ip 2780
1⤵
PID:2768

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3040 -ip 3040
1⤵
PID:3972

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\u2cg.0.exe

Filesize
306KB

MD5
2fbd16371b564bfe343c85c9fa1bba33

SHA1
1ed04b52748d12c2a10b45e3bf7a3906666c0be8

SHA256
0aaf2a6634671baf73427d14da4a4a9837a0f6e76ae2a3242c34e217a5bcc7c3

SHA512
3bd8cef89f8c988a49772a9290ea8580f2f00d8c160710a77f919a5328cfdbd13467e072ae25f5e6dab32d549ab955426eb35e2cebf3f13dd06f1184845e1f5a

Download Submit
C:\Users\Admin\AppData\Local\Temp\u2cg.1.exe

Filesize
4.6MB

MD5
397926927bca55be4a77839b1c44de6e

SHA1
e10f3434ef3021c399dbba047832f02b3c898dbd

SHA256
4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

SHA512
cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

Download Submit
memory/1400-90-0x000002B2F16C0000-0x000002B2F16CE000-memory.dmp

Filesize
56KB

Download
memory/1400-69-0x000002B2ECEB0000-0x000002B2ECFC0000-memory.dmp

Filesize
1.1MB

Download
memory/1400-105-0x000002B2D3590000-0x000002B2D35A0000-memory.dmp

Filesize
64KB

Download
memory/1400-104-0x000002B2D3590000-0x000002B2D35A0000-memory.dmp

Filesize
64KB

Download
memory/1400-103-0x000002B2D3590000-0x000002B2D35A0000-memory.dmp

Filesize
64KB

Download
memory/1400-102-0x000002B2D3590000-0x000002B2D35A0000-memory.dmp

Filesize
64KB

Download
memory/1400-101-0x00007FF8229E0000-0x00007FF8234A1000-memory.dmp

Filesize
10.8MB

Download
memory/1400-99-0x000002B2F2660000-0x000002B2F267E000-memory.dmp

Filesize
120KB

Download
memory/1400-98-0x000002B2F2630000-0x000002B2F2652000-memory.dmp

Filesize
136KB

Download
memory/1400-97-0x000002B2F2590000-0x000002B2F259C000-memory.dmp

Filesize
48KB

Download
memory/1400-96-0x000002B2F25E0000-0x000002B2F2630000-memory.dmp

Filesize
320KB

Download
memory/1400-93-0x000002B2F2D70000-0x000002B2F3298000-memory.dmp

Filesize
5.2MB

Download
memory/1400-66-0x00007FF8229E0000-0x00007FF8234A1000-memory.dmp

Filesize
10.8MB

Download
memory/1400-78-0x000002B2ED230000-0x000002B2ED292000-memory.dmp

Filesize
392KB

Download
memory/1400-68-0x000002B2D3590000-0x000002B2D35A0000-memory.dmp

Filesize
64KB

Download
memory/1400-77-0x000002B2ED1B0000-0x000002B2ED22A000-memory.dmp

Filesize
488KB

Download
memory/1400-70-0x000002B2D3570000-0x000002B2D3580000-memory.dmp

Filesize
64KB

Download
memory/1400-71-0x000002B2D35A0000-0x000002B2D35AC000-memory.dmp

Filesize
48KB

Download
memory/1400-72-0x000002B2D3580000-0x000002B2D3594000-memory.dmp

Filesize
80KB

Download
memory/1400-73-0x000002B2D35F0000-0x000002B2D3614000-memory.dmp

Filesize
144KB

Download
memory/1400-74-0x000002B2D3610000-0x000002B2D361A000-memory.dmp

Filesize
40KB

Download
memory/1400-76-0x000002B2ED100000-0x000002B2ED1B2000-memory.dmp

Filesize
712KB

Download
memory/1400-92-0x000002B2F2820000-0x000002B2F2842000-memory.dmp

Filesize
136KB

Download
memory/1400-75-0x000002B2D3630000-0x000002B2D365A000-memory.dmp

Filesize
168KB

Download
memory/1400-67-0x000002B2CDEE0000-0x000002B2D17D8000-memory.dmp

Filesize
57.0MB

Download
memory/1400-79-0x000002B2ED310000-0x000002B2ED386000-memory.dmp

Filesize
472KB

Download
memory/1400-80-0x000002B2D3620000-0x000002B2D362A000-memory.dmp

Filesize
40KB

Download
memory/1400-84-0x000002B2ED390000-0x000002B2ED690000-memory.dmp

Filesize
3.0MB

Download
memory/1400-86-0x000002B2D3590000-0x000002B2D35A0000-memory.dmp

Filesize
64KB

Download
memory/1400-88-0x000002B2D3590000-0x000002B2D35A0000-memory.dmp

Filesize
64KB

Download
memory/1400-87-0x000002B2F1770000-0x000002B2F1778000-memory.dmp

Filesize
32KB

Download
memory/1400-91-0x000002B2F2810000-0x000002B2F281A000-memory.dmp

Filesize
40KB

Download
memory/1400-89-0x000002B2F16F0000-0x000002B2F1728000-memory.dmp

Filesize
224KB

Download
memory/2780-16-0x0000000000400000-0x0000000002D2A000-memory.dmp

Filesize
41.2MB

Download
memory/2780-15-0x0000000000400000-0x0000000002D2A000-memory.dmp

Filesize
41.2MB

Download
memory/2780-14-0x0000000002F90000-0x0000000002FB7000-memory.dmp

Filesize
156KB

Download
memory/2780-13-0x0000000003030000-0x0000000003130000-memory.dmp

Filesize
1024KB

Download
memory/3040-1-0x0000000002F90000-0x0000000003090000-memory.dmp

Filesize
1024KB

Download
memory/3040-3-0x0000000000400000-0x0000000002D4E000-memory.dmp

Filesize
41.3MB

Download
memory/3040-33-0x0000000002ED0000-0x0000000002F3C000-memory.dmp

Filesize
432KB

Download
memory/3040-32-0x0000000000400000-0x0000000002D4E000-memory.dmp

Filesize
41.3MB

Download
memory/3040-2-0x0000000002ED0000-0x0000000002F3C000-memory.dmp

Filesize
432KB

Download
memory/5036-65-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/5036-53-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/5036-27-0x0000000000A60000-0x0000000000A61000-memory.dmp

Filesize
4KB

Download