stealc | 8773907e6db3869856293c19c8fbee567854ca17e8c4dd580ee8a05fe3f1b0a7

General

Target

ISetup2.exe
Size

384KB
MD5

58abc76e3bf16ebe939c3fb841129b5b
SHA1

8860684923c2d64551ca6175ea63e34e11e89599
SHA256

8773907e6db3869856293c19c8fbee567854ca17e8c4dd580ee8a05fe3f1b0a7
SHA512

ab3964c57c1ce0b4db2da147b40f0c058b65848c4fe21a7fc4f6fa026378d7b0861005a4111a9ea469245b0ff75d31c3db3550204951783637a77e2c559a4aef
SSDEEP

6144:ujfcaXBXkd86TbOMLd1KsPTNqG5Tcq9kdilO1SnO3IExP:87XN6T9RpRAq3O1SnQ3P

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/2016-126-0x0000000000D40000-0x0000000004574000-memory.dmp	family_zgrat_v1
behavioral1/memory/2016-127-0x000000001ECC0000-0x000000001EDCA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2016-131-0x0000000005AE0000-0x0000000005B04000-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
2852	u1pg.0.exe
2736	u1pg.1.exe

Loads dropped DLL 11 IoCs

pid	Process
2212	ISetup2.exe
2212	ISetup2.exe
2212	ISetup2.exe
2212	ISetup2.exe
2212	ISetup2.exe
2212	ISetup2.exe
2212	ISetup2.exe
2212	ISetup2.exe
2212	ISetup2.exe
2852	u1pg.0.exe
2852	u1pg.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	u1pg.1.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u1pg.1.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u1pg.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	u1pg.0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	u1pg.0.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2852	u1pg.0.exe
2016	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
2016	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
2016	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
2016	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
2016	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2016	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
2736	u1pg.1.exe
2736	u1pg.1.exe
2736	u1pg.1.exe
2736	u1pg.1.exe
2736	u1pg.1.exe
2736	u1pg.1.exe
2736	u1pg.1.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
2736	u1pg.1.exe
2736	u1pg.1.exe
2736	u1pg.1.exe
2736	u1pg.1.exe
2736	u1pg.1.exe
2736	u1pg.1.exe
2736	u1pg.1.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 2852	2212	ISetup2.exe	28
PID 2212 wrote to memory of 2852	2212	ISetup2.exe	28
PID 2212 wrote to memory of 2852	2212	ISetup2.exe	28
PID 2212 wrote to memory of 2852	2212	ISetup2.exe	28
PID 2212 wrote to memory of 2736	2212	ISetup2.exe	29
PID 2212 wrote to memory of 2736	2212	ISetup2.exe	29
PID 2212 wrote to memory of 2736	2212	ISetup2.exe	29
PID 2212 wrote to memory of 2736	2212	ISetup2.exe	29
PID 2736 wrote to memory of 2016	2736	u1pg.1.exe	31
PID 2736 wrote to memory of 2016	2736	u1pg.1.exe	31
PID 2736 wrote to memory of 2016	2736	u1pg.1.exe	31
PID 2736 wrote to memory of 2016	2736	u1pg.1.exe	31

C:\Users\Admin\AppData\Local\Temp\ISetup2.exe
"C:\Users\Admin\AppData\Local\Temp\ISetup2.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2212
- C:\Users\Admin\AppData\Local\Temp\u1pg.0.exe
  "C:\Users\Admin\AppData\Local\Temp\u1pg.0.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:2852
- C:\Users\Admin\AppData\Local\Temp\u1pg.1.exe
  "C:\Users\Admin\AppData\Local\Temp\u1pg.1.exe"
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2736
- - 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:2016

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\a156d2ee87eeb3012aacff4fcc5518f7fa0b2caa0b97ad5a5e46c2e4fdf8c5f4\e7c353f739eb47eeb064464e76cfe9c3.tmp

Filesize
1KB

MD5
f3c2e545513dc5abf2200f1e527fc05d

SHA1
6138944999bfbc578ca827f44db1764d1a0fdf5c

SHA256
0c7bafbb962171403373a37f36a49ca721cc7f8bad01253f22e858b120a9fc59

SHA512
9c2fbc33abf4ffeb3408962c6db53a268c5885a8a177b332b6fda4406709359fed6f909b5f4d07e4231c41937782957aed9e0252f8fc137d77fb3074b764b754

Download Submit
C:\Users\Admin\AppData\Local\Temp\u1pg.1.exe

Filesize
4.6MB

MD5
397926927bca55be4a77839b1c44de6e

SHA1
e10f3434ef3021c399dbba047832f02b3c898dbd

SHA256
4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

SHA512
cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

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\u1pg.0.exe

Filesize
206KB

MD5
a33065159222d4c22e581ea419285701

SHA1
6297d390c9d8c3b8c3340d8d38d46c1bbf32d354

SHA256
ddf2f47cbc0db66b326be096b46854a6ab59a2504688077bba0bbb42c4470ae2

SHA512
2860dab79524b7db3f0b7771b8d402905a8096653d1c83e49e3827bb7cd739104848b691be16fbd898b81bfd4fcdd827fc4c8f72da6e91d565f02e59f5725f79

Download Submit
memory/2016-131-0x0000000005AE0000-0x0000000005B04000-memory.dmp

Filesize
144KB

Download
memory/2016-135-0x000000001F3A0000-0x000000001F452000-memory.dmp

Filesize
712KB

Download
memory/2016-163-0x0000000000C50000-0x0000000000C5A000-memory.dmp

Filesize
40KB

Download
memory/2016-164-0x0000000000C50000-0x0000000000C5A000-memory.dmp

Filesize
40KB

Download
memory/2016-157-0x000000001E070000-0x000000001E07C000-memory.dmp

Filesize
48KB

Download
memory/2016-152-0x000000001E060000-0x000000001E06A000-memory.dmp

Filesize
40KB

Download
memory/2016-126-0x0000000000D40000-0x0000000004574000-memory.dmp

Filesize
56.2MB

Download
memory/2016-127-0x000000001ECC0000-0x000000001EDCA000-memory.dmp

Filesize
1.0MB

Download
memory/2016-129-0x0000000000C90000-0x0000000000C9C000-memory.dmp

Filesize
48KB

Download
memory/2016-128-0x0000000000580000-0x0000000000590000-memory.dmp

Filesize
64KB

Download
memory/2016-130-0x0000000000C80000-0x0000000000C94000-memory.dmp

Filesize
80KB

Download
memory/2016-153-0x000000001E080000-0x000000001E0E2000-memory.dmp

Filesize
392KB

Download
memory/2016-134-0x000000001EB30000-0x000000001EB5A000-memory.dmp

Filesize
168KB

Download
memory/2016-154-0x000000001E0F0000-0x000000001E112000-memory.dmp

Filesize
136KB

Download
memory/2016-133-0x000000001E930000-0x000000001E93A000-memory.dmp

Filesize
40KB

Download
memory/2016-144-0x0000000000B40000-0x0000000000B4A000-memory.dmp

Filesize
40KB

Download
memory/2016-148-0x000000001FB70000-0x000000001FE70000-memory.dmp

Filesize
3.0MB

Download
memory/2016-151-0x0000000000C50000-0x0000000000C5A000-memory.dmp

Filesize
40KB

Download
memory/2212-66-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2212-1-0x0000000002B90000-0x0000000002C90000-memory.dmp

Filesize
1024KB

Download
memory/2212-2-0x0000000000310000-0x000000000037C000-memory.dmp

Filesize
432KB

Download
memory/2212-62-0x0000000000400000-0x0000000002B1E000-memory.dmp

Filesize
39.1MB

Download
memory/2212-3-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2736-125-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/2852-150-0x0000000000400000-0x0000000002AF1000-memory.dmp

Filesize
38.9MB

Download
memory/2852-162-0x0000000000400000-0x0000000002AF1000-memory.dmp

Filesize
38.9MB

Download
memory/2852-22-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads