stealc | e43535ac108378521826695ae572ea24b4cde1a78b0016d3b5ebe82ff5934535

General

Target

ISetup5.exe
Size

384KB
MD5

8ff1083b2490429a4ea0ecf8f5542c8c
SHA1

70ebf9b87666aab4db253e98e845ea440602a4cc
SHA256

e43535ac108378521826695ae572ea24b4cde1a78b0016d3b5ebe82ff5934535
SHA512

c2f4d386f0b46ed9ed0716e3df086afb3ed360ea3afb74cb3dc0369311088332ae037269575722d5f60a12be9a242f505d32440ed294ad5170ec315c588b3c5c
SSDEEP

6144:ujfcaXBXkd86TbOMLd1KsPTNqG5Tcq9kdilO1SnO3IExI:87XN6T9RpRAq3O1SnQ3I

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/576-136-0x0000000000380000-0x0000000003BB4000-memory.dmp	family_zgrat_v1
behavioral1/memory/576-137-0x000000001ED50000-0x000000001EE5A000-memory.dmp	family_zgrat_v1
behavioral1/memory/576-141-0x000000001E5A0000-0x000000001E5C4000-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
3008	u1gg.0.exe
2904	u1gg.1.exe

Loads dropped DLL 11 IoCs

pid	Process
1888	ISetup5.exe
1888	ISetup5.exe
1888	ISetup5.exe
1888	ISetup5.exe
1888	ISetup5.exe
1888	ISetup5.exe
1888	ISetup5.exe
1888	ISetup5.exe
1888	ISetup5.exe
3008	u1gg.0.exe
3008	u1gg.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

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	u1gg.1.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u1gg.1.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u1gg.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	u1gg.0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	u1gg.0.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3008	u1gg.0.exe
576	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
576	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
576	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
576	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
576	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	576	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
2904	u1gg.1.exe
2904	u1gg.1.exe
2904	u1gg.1.exe
2904	u1gg.1.exe
2904	u1gg.1.exe
2904	u1gg.1.exe
2904	u1gg.1.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
2904	u1gg.1.exe
2904	u1gg.1.exe
2904	u1gg.1.exe
2904	u1gg.1.exe
2904	u1gg.1.exe
2904	u1gg.1.exe
2904	u1gg.1.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1888 wrote to memory of 3008	1888	ISetup5.exe	28
PID 1888 wrote to memory of 3008	1888	ISetup5.exe	28
PID 1888 wrote to memory of 3008	1888	ISetup5.exe	28
PID 1888 wrote to memory of 3008	1888	ISetup5.exe	28
PID 1888 wrote to memory of 2904	1888	ISetup5.exe	30
PID 1888 wrote to memory of 2904	1888	ISetup5.exe	30
PID 1888 wrote to memory of 2904	1888	ISetup5.exe	30
PID 1888 wrote to memory of 2904	1888	ISetup5.exe	30
PID 2904 wrote to memory of 576	2904	u1gg.1.exe	31
PID 2904 wrote to memory of 576	2904	u1gg.1.exe	31
PID 2904 wrote to memory of 576	2904	u1gg.1.exe	31
PID 2904 wrote to memory of 576	2904	u1gg.1.exe	31

C:\Users\Admin\AppData\Local\Temp\ISetup5.exe
"C:\Users\Admin\AppData\Local\Temp\ISetup5.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1888
- C:\Users\Admin\AppData\Local\Temp\u1gg.0.exe
  "C:\Users\Admin\AppData\Local\Temp\u1gg.0.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:3008
- C:\Users\Admin\AppData\Local\Temp\u1gg.1.exe
  "C:\Users\Admin\AppData\Local\Temp\u1gg.1.exe"
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2904
- - 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:576

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

3

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\ApplicationInsights\049b7335d372bd07248452d0b58e37cfb8420ac5b148b226adcb19ae95655a7b\326f9bf82a1c464596b8cba3b7408fbb.tmp

Filesize
1KB

MD5
ade032f14534ac888a216aa281c45954

SHA1
949ce4c435cf9b56e922a9117d7f9f94f7823e4f

SHA256
39b8e100e11c04566989e4d8b3836024fba8ab96e156946dcfd06320ba83b11d

SHA512
9ffd13e81b9863a3c476f4321c6606a88b66b9fac91674c1e7ae37680b0b242b185830c2701c94b65c52efb579bd66410a54a7173f433dd1a36be4b7354400fa

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

Filesize
3KB

MD5
873934d5c38d0133402e2329b0140220

SHA1
ccbdc1f3a86e440dea4c67fb508141a695f905e6

SHA256
0fd1543e5c53aa1d1ab5179d0f774682cfb8fd5dccbf1d05175c81f8aa784adb

SHA512
bfe10d45d61e40f317188f7e7ff0d29b325de92d84379290831cda440e9b581e6c670025ecfb069710e5b1e8a675825cf22dc49b39baccaa63be2044505342ae

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

Filesize
2KB

MD5
bcb48ca42e549715d4f7a121ba7d3f95

SHA1
b1baa923edd94900f0c2b9ed54c7409efee44447

SHA256
6f01f34a87f0bc0e8706f34ebf6d31121d481029f52f89fcdbb02a4d6894f9f0

SHA512
198e233bed67b06cec24c5d2aa194d8524b82b513e12e54e19682d73e7c0f1218a562816d5f018f8d97c0ddb1195f0f699c179ccf2beb439ba8f08d37a2edd96

Download Submit
\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
\Users\Admin\AppData\Local\Temp\u1gg.0.exe

Filesize
206KB

MD5
a33065159222d4c22e581ea419285701

SHA1
6297d390c9d8c3b8c3340d8d38d46c1bbf32d354

SHA256
ddf2f47cbc0db66b326be096b46854a6ab59a2504688077bba0bbb42c4470ae2

SHA512
2860dab79524b7db3f0b7771b8d402905a8096653d1c83e49e3827bb7cd739104848b691be16fbd898b81bfd4fcdd827fc4c8f72da6e91d565f02e59f5725f79

Download Submit
\Users\Admin\AppData\Local\Temp\u1gg.1.exe

Filesize
4.6MB

MD5
397926927bca55be4a77839b1c44de6e

SHA1
e10f3434ef3021c399dbba047832f02b3c898dbd

SHA256
4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

SHA512
cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

Download Submit
memory/576-138-0x0000000000370000-0x0000000000380000-memory.dmp

Filesize
64KB

Download
memory/576-144-0x000000001E5E0000-0x000000001E60A000-memory.dmp

Filesize
168KB

Download
memory/576-166-0x0000000003C50000-0x0000000003C5A000-memory.dmp

Filesize
40KB

Download
memory/576-162-0x00000000058E0000-0x00000000058EC000-memory.dmp

Filesize
48KB

Download
memory/576-157-0x0000000005720000-0x000000000572A000-memory.dmp

Filesize
40KB

Download
memory/576-159-0x0000000005730000-0x0000000005752000-memory.dmp

Filesize
136KB

Download
memory/576-158-0x0000000005A90000-0x0000000005AF2000-memory.dmp

Filesize
392KB

Download
memory/576-154-0x0000000003C50000-0x0000000003C5A000-memory.dmp

Filesize
40KB

Download
memory/576-136-0x0000000000380000-0x0000000003BB4000-memory.dmp

Filesize
56.2MB

Download
memory/576-137-0x000000001ED50000-0x000000001EE5A000-memory.dmp

Filesize
1.0MB

Download
memory/576-139-0x0000000005910000-0x000000000591C000-memory.dmp

Filesize
48KB

Download
memory/576-155-0x0000000003C50000-0x0000000003C5A000-memory.dmp

Filesize
40KB

Download
memory/576-140-0x0000000003C60000-0x0000000003C74000-memory.dmp

Filesize
80KB

Download
memory/576-141-0x000000001E5A0000-0x000000001E5C4000-memory.dmp

Filesize
144KB

Download
memory/576-143-0x000000001E060000-0x000000001E06A000-memory.dmp

Filesize
40KB

Download
memory/576-151-0x000000001FBB0000-0x000000001FEB0000-memory.dmp

Filesize
3.0MB

Download
memory/576-145-0x000000001F430000-0x000000001F4E2000-memory.dmp

Filesize
712KB

Download
memory/576-147-0x0000000003C30000-0x0000000003C3A000-memory.dmp

Filesize
40KB

Download
memory/1888-68-0x0000000000400000-0x0000000002B1E000-memory.dmp

Filesize
39.1MB

Download
memory/1888-3-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/1888-1-0x0000000002C30000-0x0000000002D30000-memory.dmp

Filesize
1024KB

Download
memory/1888-70-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/1888-69-0x0000000002C30000-0x0000000002D30000-memory.dmp

Filesize
1024KB

Download
memory/1888-2-0x0000000000250000-0x00000000002BC000-memory.dmp

Filesize
432KB

Download
memory/2904-135-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/3008-153-0x0000000000400000-0x0000000002AF1000-memory.dmp

Filesize
38.9MB

Download
memory/3008-22-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/3008-156-0x0000000000400000-0x0000000002AF1000-memory.dmp

Filesize
38.9MB

Download
memory/3008-97-0x0000000000400000-0x0000000002AF1000-memory.dmp

Filesize
38.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads