zgrat | b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0

General

Target

b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe
Size

791KB
MD5

8eb6ed01392a5cbba283febd7c9aa16a
SHA1

d472f8b50f8a9a6e583262f326a57927d9df940c
SHA256

b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0
SHA512

e6f08c9036df0f8c7f38895f4bbf240d796b8da9838ac87c67c56122361675462844a99fed386856a09744d4beaba7f81431619696cea959f93dc0de1962151a
SSDEEP

12288:SaEg+LSgoEJHE6QxTZbZQIPqeEMbZO6MGomMRPArytpfoA:SaEgVrEJCTZlQISeEoq1J3pfx

Score

10^/10

zgrat execution rat

Malware Config

Signatures

Detect ZGRat V1 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2356-4-0x000000001C400000-0x000000001C4B4000-memory.dmp	family_zgrat_v1
behavioral2/memory/4980-26-0x000000001C4B0000-0x000000001C5B4000-memory.dmp	family_zgrat_v1

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

Drops startup file 2 IoCs

Processes:

Powershell.exe

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Sys.exe	Powershell.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Sys.exe	Powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe

description	pid	Process	procid_target
PID 2356 set thread context of 4980	2356	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe	79

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

Processes:

Powershell.exe

pid	Process
772	Powershell.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

Powershell.exeb2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe

pid	Process
772	Powershell.exe
772	Powershell.exe
4980	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe
4980	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe
4980	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe
4980	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe
4980	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Powershell.exeb2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe

description	pid	Process
Token: SeDebugPrivilege	772	Powershell.exe
Token: SeDebugPrivilege	4980	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe

description	pid	Process	procid_target
PID 2356 wrote to memory of 772	2356	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe	77
PID 2356 wrote to memory of 772	2356	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe	77
PID 2356 wrote to memory of 4980	2356	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe	79
PID 2356 wrote to memory of 4980	2356	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe	79
PID 2356 wrote to memory of 4980	2356	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe	79
PID 2356 wrote to memory of 4980	2356	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe	79
PID 2356 wrote to memory of 4980	2356	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe	79
PID 2356 wrote to memory of 4980	2356	b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe	79

C:\Users\Admin\AppData\Local\Temp\b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe
"C:\Users\Admin\AppData\Local\Temp\b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Windows\System32\WindowsPowerShell\v1.0\Powershell.exe
  "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Sys.exe'
  2⤵
  - Drops startup file
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:772
- C:\Users\Admin\AppData\Local\Temp\b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe
  C:\Users\Admin\AppData\Local\Temp\b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4980

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\b2e85f5907f28c7c9bfc0370be2567494e0fd11887dfc80ca62958d4f5fbf8a0.exe.log

Filesize
1KB

MD5
2da0bf961edfe0de8c32adb2968aaca9

SHA1
4df0eb9b8e70c4982e6532281ab5f12c1f3a982c

SHA256
8a776a139933648be2ad9c036ad54ec5f53722e4a86605bbe18a9a3fcdbcee5e

SHA512
80a886cfae10bd93711f55eb7220891fcaa499f73d690ec626d30b5740e4fa84babb0a3ddf1323b7c085271b814e93e2b58c8e1c84a7904cf2a4c877c3b8248e

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ffc4blmv.koz.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/772-15-0x00007FFAF4ED0000-0x00007FFAF5992000-memory.dmp

Filesize
10.8MB

Download
memory/772-22-0x00007FFAF4ED0000-0x00007FFAF5992000-memory.dmp

Filesize
10.8MB

Download
memory/772-18-0x00007FFAF4ED0000-0x00007FFAF5992000-memory.dmp

Filesize
10.8MB

Download
memory/772-17-0x00007FFAF4ED0000-0x00007FFAF5992000-memory.dmp

Filesize
10.8MB

Download
memory/772-16-0x00007FFAF4ED0000-0x00007FFAF5992000-memory.dmp

Filesize
10.8MB

Download
memory/772-11-0x0000024F72600000-0x0000024F72622000-memory.dmp

Filesize
136KB

Download
memory/2356-5-0x00000000032B0000-0x00000000032CE000-memory.dmp

Filesize
120KB

Download
memory/2356-0-0x00007FFAF4ED3000-0x00007FFAF4ED5000-memory.dmp

Filesize
8KB

Download
memory/2356-4-0x000000001C400000-0x000000001C4B4000-memory.dmp

Filesize
720KB

Download
memory/2356-3-0x00007FFAF4ED0000-0x00007FFAF5992000-memory.dmp

Filesize
10.8MB

Download
memory/2356-2-0x0000000003230000-0x00000000032A6000-memory.dmp

Filesize
472KB

Download
memory/2356-1-0x0000000000710000-0x00000000007DA000-memory.dmp

Filesize
808KB

Download
memory/2356-28-0x00007FFAF4ED0000-0x00007FFAF5992000-memory.dmp

Filesize
10.8MB

Download
memory/4980-23-0x0000000140000000-0x00000001400A2000-memory.dmp

Filesize
648KB

Download
memory/4980-26-0x000000001C4B0000-0x000000001C5B4000-memory.dmp

Filesize
1.0MB

Download
memory/4980-27-0x00007FFAF4ED0000-0x00007FFAF5992000-memory.dmp

Filesize
10.8MB

Download
memory/4980-30-0x000000001C5B0000-0x000000001C5FC000-memory.dmp

Filesize
304KB

Download
memory/4980-29-0x00000000033F0000-0x0000000003446000-memory.dmp

Filesize
344KB

Download
memory/4980-31-0x00007FFAF4ED0000-0x00007FFAF5992000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads