zgrat | 64839df979829a8230b50891466a04e1d428f70d928205709668205669115a5e

Analysis

max time kernel
120s
max time network
147s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
15-05-2024 04:16

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General

Target

0e77c7eaf29e7cc81d6a5870545509a3.exe
Size

2.0MB
MD5

0e77c7eaf29e7cc81d6a5870545509a3
SHA1

e56496e200c3246c149b41bd826b9e762fa5e534
SHA256

64839df979829a8230b50891466a04e1d428f70d928205709668205669115a5e
SHA512

bf85986eb8b47fc7211a6b6b48121ae0de6718c73612a4059f3bf8570a47b5848a0619c056a9b55df2760f2c5e5f30ca5a19a5d091750af8ad7bb81c5f015e18
SSDEEP

49152:R6K39H/NzGjGzMErFiEntNARL3AVtsk53gEdMJ9O:R6KnjrLntNAR2tPfO

Score

10^/10

zgrat rat spyware stealer

Malware Config

Signatures

Detect ZGRat V1 3 IoCs

resource	yara_rule
behavioral1/memory/2188-1-0x0000000000A00000-0x0000000000C0E000-memory.dmp	family_zgrat_v1
behavioral1/files/0x0006000000015f05-33.dat	family_zgrat_v1
behavioral1/memory/2520-43-0x0000000001320000-0x000000000152E000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

Executes dropped EXE 1 IoCs

pid	Process
2520	spoolsv.exe

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

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Windows Media Player\Icons\sppsvc.exe	0e77c7eaf29e7cc81d6a5870545509a3.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\CSC\v2.0.6\sppsvc.exe	0e77c7eaf29e7cc81d6a5870545509a3.exe
File created	C:\Windows\ModemLogs\winlogon.exe	0e77c7eaf29e7cc81d6a5870545509a3.exe
File created	C:\Windows\ModemLogs\cc11b995f2a76d	0e77c7eaf29e7cc81d6a5870545509a3.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
2188	0e77c7eaf29e7cc81d6a5870545509a3.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2520	spoolsv.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2188	0e77c7eaf29e7cc81d6a5870545509a3.exe
Token: SeDebugPrivilege	2520	spoolsv.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 2784	2188	0e77c7eaf29e7cc81d6a5870545509a3.exe	28
PID 2188 wrote to memory of 2784	2188	0e77c7eaf29e7cc81d6a5870545509a3.exe	28
PID 2188 wrote to memory of 2784	2188	0e77c7eaf29e7cc81d6a5870545509a3.exe	28
PID 2784 wrote to memory of 2704	2784	cmd.exe	30
PID 2784 wrote to memory of 2704	2784	cmd.exe	30
PID 2784 wrote to memory of 2704	2784	cmd.exe	30
PID 2784 wrote to memory of 2692	2784	cmd.exe	31
PID 2784 wrote to memory of 2692	2784	cmd.exe	31
PID 2784 wrote to memory of 2692	2784	cmd.exe	31
PID 2784 wrote to memory of 2520	2784	cmd.exe	32
PID 2784 wrote to memory of 2520	2784	cmd.exe	32
PID 2784 wrote to memory of 2520	2784	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\0e77c7eaf29e7cc81d6a5870545509a3.exe
"C:\Users\Admin\AppData\Local\Temp\0e77c7eaf29e7cc81d6a5870545509a3.exe"
1⤵
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\zoxTJ3GdPP.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2784
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:2704
- - C:\Windows\system32\w32tm.exe
    w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
    3⤵
    PID:2692
- - C:\Recovery\50341a82-0d88-11ef-8a7e-5aba25856535\spoolsv.exe
    "C:\Recovery\50341a82-0d88-11ef-8a7e-5aba25856535\spoolsv.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:2520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\zoxTJ3GdPP.bat

Filesize
236B

MD5
c6bae80c3ad87fa76fc1eaafab4126ee

SHA1
a0a2dcc2a4bfe53412e1bbf6aa1caa7b9437a70e

SHA256
901a518c7780baf47851875fe493358a1d23dedff85272ccabe760120e0440f5

SHA512
7bf4b77156a45ab98d30b59887f3f4e7069e4945eec02d3380a12d92c3f1b56f8aca4f45bf3096f1bc0b5a51a52d1623c5ae1aeff235cad3876c7588831752a8

Download Submit
C:\Users\Default\System.exe

Filesize
2.0MB

MD5
0e77c7eaf29e7cc81d6a5870545509a3

SHA1
e56496e200c3246c149b41bd826b9e762fa5e534

SHA256
64839df979829a8230b50891466a04e1d428f70d928205709668205669115a5e

SHA512
bf85986eb8b47fc7211a6b6b48121ae0de6718c73612a4059f3bf8570a47b5848a0619c056a9b55df2760f2c5e5f30ca5a19a5d091750af8ad7bb81c5f015e18

Download Submit
memory/2188-13-0x000007FEF55F0000-0x000007FEF5FDC000-memory.dmp

Filesize
9.9MB

Download
memory/2188-18-0x000007FEF55F0000-0x000007FEF5FDC000-memory.dmp

Filesize
9.9MB

Download
memory/2188-4-0x000007FEF55F0000-0x000007FEF5FDC000-memory.dmp

Filesize
9.9MB

Download
memory/2188-6-0x0000000000440000-0x0000000000466000-memory.dmp

Filesize
152KB

Download
memory/2188-7-0x000007FEF55F0000-0x000007FEF5FDC000-memory.dmp

Filesize
9.9MB

Download
memory/2188-8-0x000007FEF55F0000-0x000007FEF5FDC000-memory.dmp

Filesize
9.9MB

Download
memory/2188-10-0x0000000000410000-0x000000000041E000-memory.dmp

Filesize
56KB

Download
memory/2188-12-0x0000000000590000-0x00000000005AC000-memory.dmp

Filesize
112KB

Download
memory/2188-0-0x000007FEF55F3000-0x000007FEF55F4000-memory.dmp

Filesize
4KB

Download
memory/2188-3-0x000007FEF55F0000-0x000007FEF5FDC000-memory.dmp

Filesize
9.9MB

Download
memory/2188-21-0x000007FEF55F0000-0x000007FEF5FDC000-memory.dmp

Filesize
9.9MB

Download
memory/2188-20-0x0000000000430000-0x000000000043C000-memory.dmp

Filesize
48KB

Download
memory/2188-22-0x000007FEF55F0000-0x000007FEF5FDC000-memory.dmp

Filesize
9.9MB

Download
memory/2188-23-0x000007FEF55F0000-0x000007FEF5FDC000-memory.dmp

Filesize
9.9MB

Download
memory/2188-17-0x0000000000420000-0x0000000000430000-memory.dmp

Filesize
64KB

Download
memory/2188-15-0x00000000005B0000-0x00000000005C8000-memory.dmp

Filesize
96KB

Download
memory/2188-2-0x000007FEF55F0000-0x000007FEF5FDC000-memory.dmp

Filesize
9.9MB

Download
memory/2188-39-0x000007FEF55F0000-0x000007FEF5FDC000-memory.dmp

Filesize
9.9MB

Download
memory/2188-1-0x0000000000A00000-0x0000000000C0E000-memory.dmp

Filesize
2.1MB

Download
memory/2520-43-0x0000000001320000-0x000000000152E000-memory.dmp

Filesize
2.1MB

Download