zgrat | 9f38ec0ae60879931f99054695285b54f0d2454990249d4672acfb568905bf91

General

Target

8246f422d28415bbb58d8fa3e2891817.exe
Size

582KB
MD5

8246f422d28415bbb58d8fa3e2891817
SHA1

0a7d9fa2340210aa6090be64a26385b78d13c6ef
SHA256

9f38ec0ae60879931f99054695285b54f0d2454990249d4672acfb568905bf91
SHA512

4f44bcb125b14b86f6b772d23a99338be0394d04a32839a0bc7bd0344cab785bde2529bcd01a62032f74614125718666935fa4be1d276e60ce9969200ff317f0
SSDEEP

12288:es7vnRmS7+nqB3visIP1z20lBoLhaByXOh7OWMsIaHqZm+Ps6:XvQSUq0sIPB20UVasX07isFHqZm+Ps6

Score

10^/10

Malware Config

Signatures

Detect ZGRat V1 1 IoCs

resource	yara_rule
behavioral2/memory/4040-2-0x0000000000400000-0x000000000046C000-memory.dmp	family_zgrat_v1

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3448 set thread context of 4040	3448	8246f422d28415bbb58d8fa3e2891817.exe	90

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4040	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4040	RegAsm.exe
Token: SeBackupPrivilege	4040	RegAsm.exe
Token: SeSecurityPrivilege	4040	RegAsm.exe
Token: SeSecurityPrivilege	4040	RegAsm.exe
Token: SeSecurityPrivilege	4040	RegAsm.exe
Token: SeSecurityPrivilege	4040	RegAsm.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3448 wrote to memory of 1224	3448	8246f422d28415bbb58d8fa3e2891817.exe	86
PID 3448 wrote to memory of 1224	3448	8246f422d28415bbb58d8fa3e2891817.exe	86
PID 3448 wrote to memory of 1224	3448	8246f422d28415bbb58d8fa3e2891817.exe	86
PID 3448 wrote to memory of 3004	3448	8246f422d28415bbb58d8fa3e2891817.exe	87
PID 3448 wrote to memory of 3004	3448	8246f422d28415bbb58d8fa3e2891817.exe	87
PID 3448 wrote to memory of 3004	3448	8246f422d28415bbb58d8fa3e2891817.exe	87
PID 3448 wrote to memory of 684	3448	8246f422d28415bbb58d8fa3e2891817.exe	88
PID 3448 wrote to memory of 684	3448	8246f422d28415bbb58d8fa3e2891817.exe	88
PID 3448 wrote to memory of 684	3448	8246f422d28415bbb58d8fa3e2891817.exe	88
PID 3448 wrote to memory of 4400	3448	8246f422d28415bbb58d8fa3e2891817.exe	89
PID 3448 wrote to memory of 4400	3448	8246f422d28415bbb58d8fa3e2891817.exe	89
PID 3448 wrote to memory of 4400	3448	8246f422d28415bbb58d8fa3e2891817.exe	89
PID 3448 wrote to memory of 4040	3448	8246f422d28415bbb58d8fa3e2891817.exe	90
PID 3448 wrote to memory of 4040	3448	8246f422d28415bbb58d8fa3e2891817.exe	90
PID 3448 wrote to memory of 4040	3448	8246f422d28415bbb58d8fa3e2891817.exe	90
PID 3448 wrote to memory of 4040	3448	8246f422d28415bbb58d8fa3e2891817.exe	90
PID 3448 wrote to memory of 4040	3448	8246f422d28415bbb58d8fa3e2891817.exe	90
PID 3448 wrote to memory of 4040	3448	8246f422d28415bbb58d8fa3e2891817.exe	90
PID 3448 wrote to memory of 4040	3448	8246f422d28415bbb58d8fa3e2891817.exe	90
PID 3448 wrote to memory of 4040	3448	8246f422d28415bbb58d8fa3e2891817.exe	90

C:\Users\Admin\AppData\Local\Temp\8246f422d28415bbb58d8fa3e2891817.exe
"C:\Users\Admin\AppData\Local\Temp\8246f422d28415bbb58d8fa3e2891817.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3448
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:1224
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:3004
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:684
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:4400
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4040

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3448-0-0x0000000000E60000-0x0000000000E61000-memory.dmp

Filesize
4KB

Download
memory/3448-1-0x0000000000E60000-0x0000000000E61000-memory.dmp

Filesize
4KB

Download
memory/3448-3-0x0000000000E60000-0x0000000000E61000-memory.dmp

Filesize
4KB

Download
memory/4040-2-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/4040-4-0x000000007420E000-0x000000007420F000-memory.dmp

Filesize
4KB

Download
memory/4040-5-0x0000000005E00000-0x00000000063A4000-memory.dmp

Filesize
5.6MB

Download
memory/4040-6-0x0000000005850000-0x00000000058E2000-memory.dmp

Filesize
584KB

Download
memory/4040-7-0x0000000074200000-0x00000000749B0000-memory.dmp

Filesize
7.7MB

Download
memory/4040-8-0x0000000005800000-0x000000000580A000-memory.dmp

Filesize
40KB

Download
memory/4040-9-0x0000000008BB0000-0x00000000091C8000-memory.dmp

Filesize
6.1MB

Download
memory/4040-10-0x00000000086E0000-0x00000000087EA000-memory.dmp

Filesize
1.0MB

Download
memory/4040-11-0x0000000008610000-0x0000000008622000-memory.dmp

Filesize
72KB

Download
memory/4040-12-0x0000000008670000-0x00000000086AC000-memory.dmp

Filesize
240KB

Download
memory/4040-13-0x00000000087F0000-0x000000000883C000-memory.dmp

Filesize
304KB

Download
memory/4040-14-0x0000000008960000-0x00000000089C6000-memory.dmp

Filesize
408KB

Download
memory/4040-15-0x00000000092D0000-0x0000000009346000-memory.dmp

Filesize
472KB

Download
memory/4040-16-0x0000000008B40000-0x0000000008B5E000-memory.dmp

Filesize
120KB

Download
memory/4040-17-0x000000000A040000-0x000000000A202000-memory.dmp

Filesize
1.8MB

Download
memory/4040-18-0x000000000A740000-0x000000000AC6C000-memory.dmp

Filesize
5.2MB

Download
memory/4040-20-0x0000000074200000-0x00000000749B0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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