zgrat | 9d7d0bf89ec473e919eb4c8de51b48f90e5afdc94fd99c09f94863f78086c432

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
15-05-2024 13:34

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General

Target

file.exe
Size

3.7MB
MD5

e77976974a972c65cb25253540f47991
SHA1

186cc8aecf6d842617847664b7749cfa51a6670d
SHA256

9d7d0bf89ec473e919eb4c8de51b48f90e5afdc94fd99c09f94863f78086c432
SHA512

ee4e679e948e8d42a704df0e1dca106056da65c48e7ca97aec5c5c0720569be78027e72c57773f16b6bc1cbd1ba2cb0a04238c19e3116af7176f73bd8c9ecb17
SSDEEP

98304:QaSNSfTz9wabjIKXScmmZ6n205zg1FNd:QaSNSfTzCafV0Ay205E1F

Score

10^/10

zgrat rat spyware

Malware Config

Signatures

Detect ZGRat V1 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1116-1-0x00000000002D0000-0x0000000000688000-memory.dmp	family_zgrat_v1
behavioral2/memory/4024-14-0x0000000000400000-0x0000000000490000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat
.NET Reactor proctector 1 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

Processes:

resource yara_rule

behavioral2/memory/1116-1-0x00000000002D0000-0x0000000000688000-memory.dmp net_reactor
Loads dropped DLL 1 IoCs

Processes:

file.exe

pid process

1116 file.exe
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
Suspicious use of SetThreadContext 1 IoCs

Processes:

file.exe

description pid process target process

PID 1116 set thread context of 4024 1116 file.exe MsBuild.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

MsBuild.exe

pid process

4024 MsBuild.exe

resource	yara_rule
behavioral2/memory/1116-1-0x00000000002D0000-0x0000000000688000-memory.dmp	net_reactor

pid	process
1116	file.exe

description	pid	process	target process
PID 1116 set thread context of 4024	1116	file.exe	MsBuild.exe

pid	process
4024	MsBuild.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

MsBuild.exe

description	pid	process
Token: SeDebugPrivilege	4024	MsBuild.exe
Token: SeBackupPrivilege	4024	MsBuild.exe
Token: SeSecurityPrivilege	4024	MsBuild.exe
Token: SeSecurityPrivilege	4024	MsBuild.exe
Token: SeSecurityPrivilege	4024	MsBuild.exe
Token: SeSecurityPrivilege	4024	MsBuild.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

file.exe

description	pid	process	target process
PID 1116 wrote to memory of 4024	1116	file.exe	MsBuild.exe
PID 1116 wrote to memory of 4024	1116	file.exe	MsBuild.exe
PID 1116 wrote to memory of 4024	1116	file.exe	MsBuild.exe
PID 1116 wrote to memory of 4024	1116	file.exe	MsBuild.exe
PID 1116 wrote to memory of 4024	1116	file.exe	MsBuild.exe
PID 1116 wrote to memory of 4024	1116	file.exe	MsBuild.exe
PID 1116 wrote to memory of 4024	1116	file.exe	MsBuild.exe
PID 1116 wrote to memory of 4024	1116	file.exe	MsBuild.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1116

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4024

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Protect544cd51a.dll
Filesize
742KB

MD5
544cd51a596619b78e9b54b70088307d

SHA1
4769ddd2dbc1dc44b758964ed0bd231b85880b65

SHA256
dfce2d4d06de6452998b3c5b2dc33eaa6db2bd37810d04e3d02dc931887cfddd

SHA512
f56d8b81022bb132d40aa78596da39b5c212d13b84b5c7d2c576bbf403924f1d22e750de3b09d1be30aea359f1b72c5043b19685fc9bf06d8040bfee16b17719

Download Submit
memory/1116-10-0x0000000005080000-0x0000000005090000-memory.dmp

Filesize
64KB

Download
memory/1116-2-0x00000000050A0000-0x000000000513C000-memory.dmp

Filesize
624KB

Download
memory/1116-3-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/1116-4-0x00000000051F0000-0x0000000005382000-memory.dmp

Filesize
1.6MB

Download
memory/1116-1-0x00000000002D0000-0x0000000000688000-memory.dmp

Filesize
3.7MB

Download
memory/1116-17-0x00000000051EC000-0x00000000051EF000-memory.dmp

Filesize
12KB

Download
memory/1116-11-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/1116-12-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/1116-13-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/1116-0-0x000000007528E000-0x000000007528F000-memory.dmp

Filesize
4KB

Download
memory/1116-16-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/1116-18-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/4024-19-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/4024-27-0x0000000008390000-0x00000000083CC000-memory.dmp

Filesize
240KB

Download
memory/4024-20-0x00000000057A0000-0x0000000005D44000-memory.dmp

Filesize
5.6MB

Download
memory/4024-21-0x00000000051F0000-0x0000000005282000-memory.dmp

Filesize
584KB

Download
memory/4024-22-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/4024-23-0x00000000051A0000-0x00000000051AA000-memory.dmp

Filesize
40KB

Download
memory/4024-24-0x0000000008880000-0x0000000008E98000-memory.dmp

Filesize
6.1MB

Download
memory/4024-25-0x00000000083F0000-0x00000000084FA000-memory.dmp

Filesize
1.0MB

Download
memory/4024-26-0x0000000008330000-0x0000000008342000-memory.dmp

Filesize
72KB

Download
memory/4024-14-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/4024-28-0x0000000008500000-0x000000000854C000-memory.dmp

Filesize
304KB

Download
memory/4024-29-0x0000000008680000-0x00000000086E6000-memory.dmp

Filesize
408KB

Download
memory/4024-30-0x0000000009120000-0x0000000009196000-memory.dmp

Filesize
472KB

Download
memory/4024-31-0x00000000090C0000-0x00000000090DE000-memory.dmp

Filesize
120KB

Download
memory/4024-32-0x0000000009E00000-0x0000000009FC2000-memory.dmp

Filesize
1.8MB

Download
memory/4024-33-0x000000000A500000-0x000000000AA2C000-memory.dmp

Filesize
5.2MB

Download
memory/4024-35-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download