stealc | 64ea09b13e5fb93cb6663d158df020852afb53890d538dc7cc09548dec5961a2

General

Target

64ea09b13e5fb93cb6663d158df020852afb53890d538dc7cc09548dec5961a2.exe
Size

416KB
MD5

f208a0b1efec9111e5aa4ef322fcbdef
SHA1

0baef4be3f8b2cacd50b67fe33cee06f0ec7e689
SHA256

64ea09b13e5fb93cb6663d158df020852afb53890d538dc7cc09548dec5961a2
SHA512

669e9f8ac9ecaf33a28eb9b05582696a923339b4a3ce7fc8227f9a104cb845e91fe1260a1b1960055adaa4dc35cec7ca60fbb90e585e44f30f965589434baf5d
SSDEEP

6144:Z5YuR8GzWWGtJf1/NoL+TcbtnqJPMfsvJQjN+tu8BjtlLCSzE4Rx58VVFrk08:JR8GzWWSZ1g+w5qJmjNMu6h9vzE44k08

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
behavioral2/memory/4048-140-0x000001A090B50000-0x000001A094448000-memory.dmp	family_zgrat_v1
behavioral2/memory/4048-141-0x000001A0AECA0000-0x000001A0AEDB0000-memory.dmp	family_zgrat_v1
behavioral2/memory/4048-145-0x000001A0AEAA0000-0x000001A0AEAC4000-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
3532	u1pk.0.exe
4936	u1pk.1.exe

Loads dropped DLL 2 IoCs

pid	Process
3532	u1pk.0.exe
3532	u1pk.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
4372	2216	WerFault.exe	78
4548	3532	WerFault.exe	80

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	u1pk.1.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u1pk.1.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	u1pk.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	u1pk.0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	u1pk.0.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
3532	u1pk.0.exe
3532	u1pk.0.exe
3532	u1pk.0.exe
3532	u1pk.0.exe
4048	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4048	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4048	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4048	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4048	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4048	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4048	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4048	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4048	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4048	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4048	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4048	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4048	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4048	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4048	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4048	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4048	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4048	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
4048	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4048	SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
4936	u1pk.1.exe
4936	u1pk.1.exe
4936	u1pk.1.exe
4936	u1pk.1.exe
4936	u1pk.1.exe
4936	u1pk.1.exe
4936	u1pk.1.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
4936	u1pk.1.exe
4936	u1pk.1.exe
4936	u1pk.1.exe
4936	u1pk.1.exe
4936	u1pk.1.exe
4936	u1pk.1.exe
4936	u1pk.1.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 3532	2216	64ea09b13e5fb93cb6663d158df020852afb53890d538dc7cc09548dec5961a2.exe	80
PID 2216 wrote to memory of 3532	2216	64ea09b13e5fb93cb6663d158df020852afb53890d538dc7cc09548dec5961a2.exe	80
PID 2216 wrote to memory of 3532	2216	64ea09b13e5fb93cb6663d158df020852afb53890d538dc7cc09548dec5961a2.exe	80
PID 2216 wrote to memory of 4936	2216	64ea09b13e5fb93cb6663d158df020852afb53890d538dc7cc09548dec5961a2.exe	83
PID 2216 wrote to memory of 4936	2216	64ea09b13e5fb93cb6663d158df020852afb53890d538dc7cc09548dec5961a2.exe	83
PID 2216 wrote to memory of 4936	2216	64ea09b13e5fb93cb6663d158df020852afb53890d538dc7cc09548dec5961a2.exe	83
PID 4936 wrote to memory of 4048	4936	u1pk.1.exe	91
PID 4936 wrote to memory of 4048	4936	u1pk.1.exe	91

C:\Users\Admin\AppData\Local\Temp\64ea09b13e5fb93cb6663d158df020852afb53890d538dc7cc09548dec5961a2.exe
"C:\Users\Admin\AppData\Local\Temp\64ea09b13e5fb93cb6663d158df020852afb53890d538dc7cc09548dec5961a2.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Users\Admin\AppData\Local\Temp\u1pk.0.exe
  "C:\Users\Admin\AppData\Local\Temp\u1pk.0.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:3532
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3532 -s 2440
    3⤵
    - Program crash
    PID:4548
- C:\Users\Admin\AppData\Local\Temp\u1pk.1.exe
  "C:\Users\Admin\AppData\Local\Temp\u1pk.1.exe"
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:4936
- - 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:4048
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 1516
  2⤵
  - Program crash
  PID:4372

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2216 -ip 2216
1⤵
PID:3624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3532 -ip 3532
1⤵
PID:4268

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:\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\u1pk.0.exe

Filesize
274KB

MD5
5ade13af5562d781ed7c2125b798937b

SHA1
4c8e9e941bd9a7beb5b67c224a85bb82b501fed8

SHA256
1d05661d8c7a296602f66a8aac7cb16115354a313fc2019088e5ba92c29f3c40

SHA512
f07e3966cf2e5f0a098e9b76ee6519f1ea473053736d02c872ec0caece31a51b324a2cf239b7a89859e9425e3f046451074468ba21ffb4efec1c68667eaeab20

Download Submit
C:\Users\Admin\AppData\Local\Temp\u1pk.1.exe

Filesize
4.6MB

MD5
397926927bca55be4a77839b1c44de6e

SHA1
e10f3434ef3021c399dbba047832f02b3c898dbd

SHA256
4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

SHA512
cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

Download Submit
memory/2216-30-0x0000000000400000-0x0000000001A32000-memory.dmp

Filesize
22.2MB

Download
memory/2216-31-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2216-2-0x0000000001DB0000-0x0000000001E1C000-memory.dmp

Filesize
432KB

Download
memory/2216-1-0x0000000001E20000-0x0000000001F20000-memory.dmp

Filesize
1024KB

Download
memory/2216-3-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/3532-15-0x0000000000400000-0x0000000001A0F000-memory.dmp

Filesize
22.1MB

Download
memory/3532-14-0x0000000000400000-0x0000000001A0F000-memory.dmp

Filesize
22.1MB

Download
memory/3532-36-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/3532-13-0x0000000000400000-0x0000000001A0F000-memory.dmp

Filesize
22.1MB

Download
memory/3532-125-0x0000000000400000-0x0000000001A0F000-memory.dmp

Filesize
22.1MB

Download
memory/4048-142-0x000001A094910000-0x000001A094920000-memory.dmp

Filesize
64KB

Download
memory/4048-151-0x000001A0AF110000-0x000001A0AF186000-memory.dmp

Filesize
472KB

Download
memory/4048-140-0x000001A090B50000-0x000001A094448000-memory.dmp

Filesize
57.0MB

Download
memory/4048-141-0x000001A0AECA0000-0x000001A0AEDB0000-memory.dmp

Filesize
1.1MB

Download
memory/4048-143-0x000001A094930000-0x000001A09493C000-memory.dmp

Filesize
48KB

Download
memory/4048-169-0x000001A0B3C30000-0x000001A0B3C4E000-memory.dmp

Filesize
120KB

Download
memory/4048-144-0x000001A094920000-0x000001A094934000-memory.dmp

Filesize
80KB

Download
memory/4048-145-0x000001A0AEAA0000-0x000001A0AEAC4000-memory.dmp

Filesize
144KB

Download
memory/4048-146-0x000001A0AEAD0000-0x000001A0AEADA000-memory.dmp

Filesize
40KB

Download
memory/4048-147-0x000001A0AEF00000-0x000001A0AEFB2000-memory.dmp

Filesize
712KB

Download
memory/4048-148-0x000001A0AEC10000-0x000001A0AEC3A000-memory.dmp

Filesize
168KB

Download
memory/4048-149-0x000001A0AEFB0000-0x000001A0AF02A000-memory.dmp

Filesize
488KB

Download
memory/4048-150-0x000001A0AF030000-0x000001A0AF092000-memory.dmp

Filesize
392KB

Download
memory/4048-168-0x000001A0B3C00000-0x000001A0B3C22000-memory.dmp

Filesize
136KB

Download
memory/4048-152-0x000001A0948F0000-0x000001A0948FA000-memory.dmp

Filesize
40KB

Download
memory/4048-156-0x000001A0AF190000-0x000001A0AF490000-memory.dmp

Filesize
3.0MB

Download
memory/4048-158-0x000001A0B3B40000-0x000001A0B3B48000-memory.dmp

Filesize
32KB

Download
memory/4048-159-0x000001A0B34C0000-0x000001A0B34F8000-memory.dmp

Filesize
224KB

Download
memory/4048-160-0x000001A0B3490000-0x000001A0B349E000-memory.dmp

Filesize
56KB

Download
memory/4048-161-0x000001A0B3DE0000-0x000001A0B3DEA000-memory.dmp

Filesize
40KB

Download
memory/4048-162-0x000001A0B3DF0000-0x000001A0B3E12000-memory.dmp

Filesize
136KB

Download
memory/4048-163-0x000001A0B4340000-0x000001A0B4868000-memory.dmp

Filesize
5.2MB

Download
memory/4048-166-0x000001A0B3BB0000-0x000001A0B3C00000-memory.dmp

Filesize
320KB

Download
memory/4048-167-0x000001A0B3B60000-0x000001A0B3B6C000-memory.dmp

Filesize
48KB

Download
memory/4936-139-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download
memory/4936-127-0x0000000000400000-0x00000000008AD000-memory.dmp

Filesize
4.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads