stealc | 78d8166716bd66d81e10f7b5f939d44c42a798bd3f7ecadb948776baf5d58612

General

Target

78d8166716bd66d81e10f7b5f939d44c42a798bd3f7ecadb948776baf5d58612.exe
Size

417KB
MD5

2e349cc184e622bdbc988b2cb65dbb21
SHA1

cd45fc067c91105d5eb32507c6543b28c4018a3c
SHA256

78d8166716bd66d81e10f7b5f939d44c42a798bd3f7ecadb948776baf5d58612
SHA512

c855f03181d6248e838782217a3057b68d175fe7a1c5f591dcda5918f537d50374521620886971cd789c62fbd93956b335c3d23c34c7c1f6ff3174c5443252b5
SSDEEP

6144:Gvm5q7cumHxCrGqFot529roAosBXIwDT6Wg1dHN8pQUfFZpYY8pS/rUUwKOgYtas:Gvqq7cumorCFKpnq/OFr8pvKStK8

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/392-143-0x000001FB639F0000-0x000001FB672E8000-memory.dmp	family_zgrat_v1
behavioral1/memory/392-144-0x000001FB6AB30000-0x000001FB6AC40000-memory.dmp	family_zgrat_v1
behavioral1/memory/392-148-0x000001FB698A0000-0x000001FB698C4000-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-1-5-21-17203666-93769886-2545153620-1000\Control Panel\International\Geo\Nation	78d8166716bd66d81e10f7b5f939d44c42a798bd3f7ecadb948776baf5d58612.exe
Key value queried	\REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Control Panel\International\Geo\Nation	uu8.1.exe

Executes dropped EXE 2 IoCs

pid	Process
404	uu8.0.exe
4420	uu8.1.exe

Loads dropped DLL 2 IoCs

pid	Process
404	uu8.0.exe
404	uu8.0.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
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

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
1380	1088	WerFault.exe	82
708	404	WerFault.exe	90

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	uu8.1.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	uu8.1.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	uu8.1.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	uu8.0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	uu8.0.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
404	uu8.0.exe
404	uu8.0.exe
392	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
392	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
392	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
392	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
392	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
392	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
392	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
392	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
392	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
392	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
392	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
392	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
392	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
392	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
392	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
392	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
392	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
392	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
392	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
392	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
392	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
392	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
392	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
392	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
404	uu8.0.exe
404	uu8.0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	392	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
4420	uu8.1.exe
4420	uu8.1.exe
4420	uu8.1.exe
4420	uu8.1.exe
4420	uu8.1.exe
4420	uu8.1.exe
4420	uu8.1.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
4420	uu8.1.exe
4420	uu8.1.exe
4420	uu8.1.exe
4420	uu8.1.exe
4420	uu8.1.exe
4420	uu8.1.exe
4420	uu8.1.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1088 wrote to memory of 404	1088	78d8166716bd66d81e10f7b5f939d44c42a798bd3f7ecadb948776baf5d58612.exe	90
PID 1088 wrote to memory of 404	1088	78d8166716bd66d81e10f7b5f939d44c42a798bd3f7ecadb948776baf5d58612.exe	90
PID 1088 wrote to memory of 404	1088	78d8166716bd66d81e10f7b5f939d44c42a798bd3f7ecadb948776baf5d58612.exe	90
PID 1088 wrote to memory of 4420	1088	78d8166716bd66d81e10f7b5f939d44c42a798bd3f7ecadb948776baf5d58612.exe	94
PID 1088 wrote to memory of 4420	1088	78d8166716bd66d81e10f7b5f939d44c42a798bd3f7ecadb948776baf5d58612.exe	94
PID 1088 wrote to memory of 4420	1088	78d8166716bd66d81e10f7b5f939d44c42a798bd3f7ecadb948776baf5d58612.exe	94
PID 4420 wrote to memory of 392	4420	uu8.1.exe	102
PID 4420 wrote to memory of 392	4420	uu8.1.exe	102

C:\Users\Admin\AppData\Local\Temp\78d8166716bd66d81e10f7b5f939d44c42a798bd3f7ecadb948776baf5d58612.exe
"C:\Users\Admin\AppData\Local\Temp\78d8166716bd66d81e10f7b5f939d44c42a798bd3f7ecadb948776baf5d58612.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1088
- C:\Users\Admin\AppData\Local\Temp\uu8.0.exe
  "C:\Users\Admin\AppData\Local\Temp\uu8.0.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:404
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 404 -s 2392
    3⤵
    - Program crash
    PID:708
- C:\Users\Admin\AppData\Local\Temp\uu8.1.exe
  "C:\Users\Admin\AppData\Local\Temp\uu8.1.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:4420
- - 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:392
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1088 -s 968
  2⤵
  - Program crash
  PID:1380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1088 -ip 1088
1⤵
PID:2208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 404 -ip 404
1⤵
PID:1688

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

4

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Are.docx

Filesize
11KB

MD5
a33e5b189842c5867f46566bdbf7a095

SHA1
e1c06359f6a76da90d19e8fd95e79c832edb3196

SHA256
5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454

SHA512
f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b

Download Submit
C:\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

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

Filesize
3KB

MD5
801e6c7d49e4dbac2079669c11bfb9e4

SHA1
35c71822d0d86e2981aa42bc26b744eb821a1f47

SHA256
9822b24f484cc896e16569a800a8f75998074fcc0d73897e1fb9b05d6df4ce6d

SHA512
cdb915b9748c136db20cebfad291bd4a9ef07aa409770e37c1e1343c4d5307a15473a5a72aad526d12f7b1f586348324f6a86abefd68edc7f58a0f716f1ccccb

Download Submit
C:\Users\Admin\AppData\Local\Temp\uu8.0.exe

Filesize
275KB

MD5
e204cf255baa04d7989d28f3e6b4ab83

SHA1
ca10014a405ca8bf9f9a2d19cf71748cf1ae2e63

SHA256
4cceee7f9f7da2dc7f29954591aa0e7bd5c8d53063dc4e16cc63996febd9d4f4

SHA512
3e2069174efd894cd7f7ea4c7fdae94914c0f342b7a7043737e621cbe8242346a1aae7a1afccbf06f00d66dfa4105633906ba43c822c3d3399ac30078df69c65

Download Submit
C:\Users\Admin\AppData\Local\Temp\uu8.1.exe

Filesize
4.6MB

MD5
397926927bca55be4a77839b1c44de6e

SHA1
e10f3434ef3021c399dbba047832f02b3c898dbd

SHA256
4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

SHA512
cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

Download Submit
memory/392-147-0x000001FB69040000-0x000001FB69054000-memory.dmp

Filesize
80KB

Download
memory/392-162-0x000001FB6F1C0000-0x000001FB6F1F8000-memory.dmp

Filesize
224KB

Download
memory/392-172-0x000001FB70170000-0x000001FB7018E000-memory.dmp

Filesize
120KB

Download
memory/392-171-0x000001FB70140000-0x000001FB70162000-memory.dmp

Filesize
136KB

Download
memory/392-170-0x000001FB700A0000-0x000001FB700AC000-memory.dmp

Filesize
48KB

Download
memory/392-169-0x000001FB700F0000-0x000001FB70140000-memory.dmp

Filesize
320KB

Download
memory/392-166-0x000001FB70880000-0x000001FB70DA8000-memory.dmp

Filesize
5.2MB

Download
memory/392-165-0x000001FB70330000-0x000001FB70352000-memory.dmp

Filesize
136KB

Download
memory/392-164-0x000001FB70320000-0x000001FB7032A000-memory.dmp

Filesize
40KB

Download
memory/392-163-0x000001FB6F190000-0x000001FB6F19E000-memory.dmp

Filesize
56KB

Download
memory/392-143-0x000001FB639F0000-0x000001FB672E8000-memory.dmp

Filesize
57.0MB

Download
memory/392-144-0x000001FB6AB30000-0x000001FB6AC40000-memory.dmp

Filesize
1.1MB

Download
memory/392-145-0x000001FB69060000-0x000001FB69070000-memory.dmp

Filesize
64KB

Download
memory/392-146-0x000001FB69850000-0x000001FB6985C000-memory.dmp

Filesize
48KB

Download
memory/392-161-0x000001FB6F240000-0x000001FB6F248000-memory.dmp

Filesize
32KB

Download
memory/392-148-0x000001FB698A0000-0x000001FB698C4000-memory.dmp

Filesize
144KB

Download
memory/392-149-0x000001FB698C0000-0x000001FB698CA000-memory.dmp

Filesize
40KB

Download
memory/392-150-0x000001FB6A870000-0x000001FB6A922000-memory.dmp

Filesize
712KB

Download
memory/392-151-0x000001FB6A950000-0x000001FB6A97A000-memory.dmp

Filesize
168KB

Download
memory/392-152-0x000001FB6A980000-0x000001FB6A9FA000-memory.dmp

Filesize
488KB

Download
memory/392-153-0x000001FB6AD80000-0x000001FB6ADE2000-memory.dmp

Filesize
392KB

Download
memory/392-154-0x000001FB6AE60000-0x000001FB6AED6000-memory.dmp

Filesize
472KB

Download
memory/392-155-0x000001FB698D0000-0x000001FB698DA000-memory.dmp

Filesize
40KB

Download
memory/392-159-0x000001FB6AEE0000-0x000001FB6B1E0000-memory.dmp

Filesize
3.0MB

Download
memory/404-19-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/404-128-0x0000000000400000-0x0000000001A0F000-memory.dmp

Filesize
22.1MB

Download
memory/404-16-0x0000000000400000-0x0000000001A0F000-memory.dmp

Filesize
22.1MB

Download
memory/404-17-0x0000000000400000-0x0000000001A0F000-memory.dmp

Filesize
22.1MB

Download
memory/404-179-0x0000000000400000-0x0000000001A0F000-memory.dmp

Filesize
22.1MB

Download
memory/1088-3-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/1088-1-0x0000000001C40000-0x0000000001D40000-memory.dmp

Filesize
1024KB

Download
memory/1088-80-0x0000000000400000-0x0000000001A32000-memory.dmp

Filesize
22.2MB

Download
memory/1088-81-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/1088-2-0x0000000001BC0000-0x0000000001C2C000-memory.dmp

Filesize
432KB

Download
memory/4420-142-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/4420-129-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads