stealc | 97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e

General

Target

97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe
Size

416KB
MD5

3517d1ac47167fcc3afbdb4a21a9fcb9
SHA1

5633d62cd097e5a15b12d98dff9939a418895edc
SHA256

97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e
SHA512

295cae5dfdbefd058f27ce0a52cec6051898db7636940e4a00e06b74503f4d7f2953c0893d5ad960ca005581f9d170df6fba6fd112f4c1e1a626b4910f42c3d3
SSDEEP

6144:xNDSLZK+bH6tSYLDidexnCihNJnrWXy1JFIHbP3ShohW90K:LSLZKK/dCCibRz4PiLaK

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/2068-135-0x00000000000D0000-0x00000000039C8000-memory.dmp	family_zgrat_v1
behavioral1/memory/2068-136-0x000000001EFF0000-0x000000001F100000-memory.dmp	family_zgrat_v1
behavioral1/memory/2068-140-0x000000001E950000-0x000000001E974000-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

Detect binaries embedding considerable number of MFA browser extension IDs. 3 IoCs

resource	yara_rule
behavioral1/memory/2332-113-0x0000000000400000-0x0000000002B02000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
behavioral1/memory/2332-159-0x0000000000400000-0x0000000002B02000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
behavioral1/memory/2332-164-0x0000000000400000-0x0000000002B02000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs

Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 3 IoCs

resource	yara_rule
behavioral1/memory/2332-113-0x0000000000400000-0x0000000002B02000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
behavioral1/memory/2332-159-0x0000000000400000-0x0000000002B02000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
behavioral1/memory/2332-164-0x0000000000400000-0x0000000002B02000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 3 IoCs

resource	yara_rule
behavioral1/memory/2332-113-0x0000000000400000-0x0000000002B02000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2332-159-0x0000000000400000-0x0000000002B02000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2332-164-0x0000000000400000-0x0000000002B02000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects encrypted or obfuscated .NET executables 1 IoCs

resource	yara_rule
behavioral1/memory/2068-135-0x00000000000D0000-0x00000000039C8000-memory.dmp	INDICATOR_EXE_DotNET_Encrypted

Downloads MZ/PE file

Executes dropped EXE 2 IoCs

pid	Process
2332	u1hg.0.exe
1984	u1hg.1.exe

Loads dropped DLL 10 IoCs

pid	Process
1924	97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe
1924	97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe
1924	97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe
1924	97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe
1924	97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe
1924	97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe
1924	97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe
1924	97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe
2332	u1hg.0.exe
2332	u1hg.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	u1hg.1.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u1hg.1.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u1hg.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	u1hg.0.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	u1hg.0.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2332	u1hg.0.exe
2068	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
2068	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
2068	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
2068	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
2068	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
2332	u1hg.0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2068	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
1984	u1hg.1.exe
1984	u1hg.1.exe
1984	u1hg.1.exe
1984	u1hg.1.exe
1984	u1hg.1.exe
1984	u1hg.1.exe
1984	u1hg.1.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
1984	u1hg.1.exe
1984	u1hg.1.exe
1984	u1hg.1.exe
1984	u1hg.1.exe
1984	u1hg.1.exe
1984	u1hg.1.exe
1984	u1hg.1.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 2332	1924	97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe	28
PID 1924 wrote to memory of 2332	1924	97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe	28
PID 1924 wrote to memory of 2332	1924	97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe	28
PID 1924 wrote to memory of 2332	1924	97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe	28
PID 1924 wrote to memory of 1984	1924	97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe	30
PID 1924 wrote to memory of 1984	1924	97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe	30
PID 1924 wrote to memory of 1984	1924	97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe	30
PID 1924 wrote to memory of 1984	1924	97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe	30
PID 1984 wrote to memory of 2068	1984	u1hg.1.exe	31
PID 1984 wrote to memory of 2068	1984	u1hg.1.exe	31
PID 1984 wrote to memory of 2068	1984	u1hg.1.exe	31
PID 1984 wrote to memory of 2068	1984	u1hg.1.exe	31

C:\Users\Admin\AppData\Local\Temp\97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe
"C:\Users\Admin\AppData\Local\Temp\97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Users\Admin\AppData\Local\Temp\u1hg.0.exe
  "C:\Users\Admin\AppData\Local\Temp\u1hg.0.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:2332
- C:\Users\Admin\AppData\Local\Temp\u1hg.1.exe
  "C:\Users\Admin\AppData\Local\Temp\u1hg.1.exe"
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:1984
- - 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:2068

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\f40fa09571ae3e4604ca1ef5093c12d04345052412cd199086553bfab6d3b7c7\e34dec3f2fb94f9ab79066dff6736c35.tmp

Filesize
1KB

MD5
bbf8983e35b3b45faea96baddbef83be

SHA1
c16313673c78bf1ba8e6d2dad840eabe9de194c8

SHA256
8e0c583b69b13c749f5ac53f7e86445a5efe1fe6ca7df9e5645f05f21f3162e9

SHA512
3f5e70abdc26208286d4045c44947c40efae074937d3cea9560d26556710074e9d9369c7087717c80a64eb43bd1753fda88ec2c08e25ffddb4c8c3df4ff46eb8

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\u1hg.0.exe

Filesize
274KB

MD5
fae96a12ae35c2243801206ca089798d

SHA1
52b8769b202701900f03c386623232ee23fb90d3

SHA256
1b32e30cfeea17e7f29f8c907c42cafc3a18da4306007b5c5bc38cb6bb4f1750

SHA512
7a3d2284145b98b8db779e1a941f48125fd3fee00dc147fb6a2c0ecf0840b9c52973930871182e402726878de2bfb0dd7e4d64396e4280700511e2ac81aa7abe

Download Submit
\Users\Admin\AppData\Local\Temp\u1hg.1.exe

Filesize
4.6MB

MD5
397926927bca55be4a77839b1c44de6e

SHA1
e10f3434ef3021c399dbba047832f02b3c898dbd

SHA256
4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

SHA512
cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

Download Submit
memory/1924-67-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/1924-68-0x0000000002BF0000-0x0000000002CF0000-memory.dmp

Filesize
1024KB

Download
memory/1924-66-0x0000000000400000-0x0000000002B25000-memory.dmp

Filesize
39.1MB

Download
memory/1924-2-0x0000000000300000-0x000000000036C000-memory.dmp

Filesize
432KB

Download
memory/1924-3-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/1924-1-0x0000000002BF0000-0x0000000002CF0000-memory.dmp

Filesize
1024KB

Download
memory/1984-134-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/1984-116-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/2068-138-0x00000000058B0000-0x00000000058BC000-memory.dmp

Filesize
48KB

Download
memory/2068-144-0x000000001F5F0000-0x000000001F6A2000-memory.dmp

Filesize
712KB

Download
memory/2068-136-0x000000001EFF0000-0x000000001F100000-memory.dmp

Filesize
1.1MB

Download
memory/2068-165-0x0000000003DA0000-0x0000000003DAA000-memory.dmp

Filesize
40KB

Download
memory/2068-137-0x0000000003D60000-0x0000000003D70000-memory.dmp

Filesize
64KB

Download
memory/2068-139-0x00000000058A0000-0x00000000058B4000-memory.dmp

Filesize
80KB

Download
memory/2068-140-0x000000001E950000-0x000000001E974000-memory.dmp

Filesize
144KB

Download
memory/2068-142-0x000000001E5E0000-0x000000001E5EA000-memory.dmp

Filesize
40KB

Download
memory/2068-143-0x000000001E990000-0x000000001E9BA000-memory.dmp

Filesize
168KB

Download
memory/2068-146-0x000000001DF40000-0x000000001DFA2000-memory.dmp

Filesize
392KB

Download
memory/2068-145-0x000000001F6A0000-0x000000001F71A000-memory.dmp

Filesize
488KB

Download
memory/2068-135-0x00000000000D0000-0x00000000039C8000-memory.dmp

Filesize
57.0MB

Download
memory/2068-147-0x0000000003D80000-0x0000000003D8A000-memory.dmp

Filesize
40KB

Download
memory/2068-151-0x000000001FB10000-0x000000001FE10000-memory.dmp

Filesize
3.0MB

Download
memory/2068-153-0x0000000003DA0000-0x0000000003DAA000-memory.dmp

Filesize
40KB

Download
memory/2068-155-0x000000001E100000-0x000000001E122000-memory.dmp

Filesize
136KB

Download
memory/2068-154-0x0000000005890000-0x000000000589A000-memory.dmp

Filesize
40KB

Download
memory/2068-158-0x000000001E120000-0x000000001E12C000-memory.dmp

Filesize
48KB

Download
memory/2332-159-0x0000000000400000-0x0000000002B02000-memory.dmp

Filesize
39.0MB

Download
memory/2332-164-0x0000000000400000-0x0000000002B02000-memory.dmp

Filesize
39.0MB

Download
memory/2332-113-0x0000000000400000-0x0000000002B02000-memory.dmp

Filesize
39.0MB

Download
memory/2332-20-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads