zgrat | f00b2b25861c0218820c23eca788881bc73c8470f59872989acf60c04cd83630

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
04/11/2023, 21:47

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General

Target

tmp.exe
Size

812KB
MD5

140510ca012bf95c60b339b6388c2ca9
SHA1

97f4ef1024bd3c194572e8d3189f8fbf9d5cb127
SHA256

f00b2b25861c0218820c23eca788881bc73c8470f59872989acf60c04cd83630
SHA512

ee30c446d26f740d9b557f99cff04b3d471793b840b56ef769eee3011d6d2fda728a4864973ba4310e4a0d5793976b9f896c73b2d2317cdc7eec23810f4a0cf0
SSDEEP

12288:X8+/Pqc6JGU0QC6MFqRG1DOkzfAWSiXBZP6haDD5F33XUTmzFJNDVSAQ:s+/PqcFU7vMgqEOrP6haDlFHET0DMA

Score

10^/10

zgrat rat

Malware Config

Signatures

Detect ZGRat V1 34 IoCs

resource	yara_rule
behavioral1/memory/904-3-0x0000000005BA0000-0x0000000005C5C000-memory.dmp	family_zgrat_v1
behavioral1/memory/904-4-0x0000000005BA0000-0x0000000005C56000-memory.dmp	family_zgrat_v1
behavioral1/memory/904-5-0x0000000005BA0000-0x0000000005C56000-memory.dmp	family_zgrat_v1
behavioral1/memory/904-7-0x0000000005BA0000-0x0000000005C56000-memory.dmp	family_zgrat_v1
behavioral1/memory/904-9-0x0000000005BA0000-0x0000000005C56000-memory.dmp	family_zgrat_v1
behavioral1/memory/904-13-0x0000000005BA0000-0x0000000005C56000-memory.dmp	family_zgrat_v1
behavioral1/memory/904-11-0x0000000005BA0000-0x0000000005C56000-memory.dmp	family_zgrat_v1
behavioral1/memory/904-19-0x0000000005BA0000-0x0000000005C56000-memory.dmp	family_zgrat_v1
behavioral1/memory/904-17-0x0000000005BA0000-0x0000000005C56000-memory.dmp	family_zgrat_v1
behavioral1/memory/904-15-0x0000000005BA0000-0x0000000005C56000-memory.dmp	family_zgrat_v1
behavioral1/memory/904-23-0x0000000005BA0000-0x0000000005C56000-memory.dmp	family_zgrat_v1
behavioral1/memory/904-21-0x0000000005BA0000-0x0000000005C56000-memory.dmp	family_zgrat_v1
behavioral1/memory/904-29-0x0000000005BA0000-0x0000000005C56000-memory.dmp	family_zgrat_v1
behavioral1/memory/904-27-0x0000000005BA0000-0x0000000005C56000-memory.dmp	family_zgrat_v1
behavioral1/memory/904-25-0x0000000005BA0000-0x0000000005C56000-memory.dmp	family_zgrat_v1
behavioral1/memory/904-33-0x0000000005BA0000-0x0000000005C56000-memory.dmp	family_zgrat_v1
behavioral1/memory/904-31-0x0000000005BA0000-0x0000000005C56000-memory.dmp	family_zgrat_v1
behavioral1/memory/904-35-0x0000000005BA0000-0x0000000005C56000-memory.dmp	family_zgrat_v1
behavioral1/memory/904-37-0x0000000005BA0000-0x0000000005C56000-memory.dmp	family_zgrat_v1
behavioral1/memory/904-39-0x0000000005BA0000-0x0000000005C56000-memory.dmp	family_zgrat_v1
behavioral1/memory/904-43-0x0000000005BA0000-0x0000000005C56000-memory.dmp	family_zgrat_v1
behavioral1/memory/904-45-0x0000000005BA0000-0x0000000005C56000-memory.dmp	family_zgrat_v1
behavioral1/memory/904-41-0x0000000005BA0000-0x0000000005C56000-memory.dmp	family_zgrat_v1
behavioral1/memory/904-49-0x0000000005BA0000-0x0000000005C56000-memory.dmp	family_zgrat_v1
behavioral1/memory/904-47-0x0000000005BA0000-0x0000000005C56000-memory.dmp	family_zgrat_v1
behavioral1/memory/904-53-0x0000000005BA0000-0x0000000005C56000-memory.dmp	family_zgrat_v1
behavioral1/memory/904-51-0x0000000005BA0000-0x0000000005C56000-memory.dmp	family_zgrat_v1
behavioral1/memory/904-55-0x0000000005BA0000-0x0000000005C56000-memory.dmp	family_zgrat_v1
behavioral1/memory/904-57-0x0000000005BA0000-0x0000000005C56000-memory.dmp	family_zgrat_v1
behavioral1/memory/904-61-0x0000000005BA0000-0x0000000005C56000-memory.dmp	family_zgrat_v1
behavioral1/memory/904-59-0x0000000005BA0000-0x0000000005C56000-memory.dmp	family_zgrat_v1
behavioral1/memory/904-65-0x0000000005BA0000-0x0000000005C56000-memory.dmp	family_zgrat_v1
behavioral1/memory/904-63-0x0000000005BA0000-0x0000000005C56000-memory.dmp	family_zgrat_v1
behavioral1/memory/904-67-0x0000000005BA0000-0x0000000005C56000-memory.dmp	family_zgrat_v1

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 904 set thread context of 340	904	tmp.exe	28

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1492	340	WerFault.exe	28

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	904	tmp.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 904 wrote to memory of 340	904	tmp.exe	28
PID 904 wrote to memory of 340	904	tmp.exe	28
PID 904 wrote to memory of 340	904	tmp.exe	28
PID 904 wrote to memory of 340	904	tmp.exe	28
PID 904 wrote to memory of 340	904	tmp.exe	28
PID 904 wrote to memory of 340	904	tmp.exe	28
PID 904 wrote to memory of 340	904	tmp.exe	28
PID 904 wrote to memory of 340	904	tmp.exe	28
PID 904 wrote to memory of 340	904	tmp.exe	28
PID 904 wrote to memory of 340	904	tmp.exe	28
PID 904 wrote to memory of 340	904	tmp.exe	28
PID 904 wrote to memory of 340	904	tmp.exe	28
PID 340 wrote to memory of 1492	340	RegAsm.exe	29
PID 340 wrote to memory of 1492	340	RegAsm.exe	29
PID 340 wrote to memory of 1492	340	RegAsm.exe	29
PID 340 wrote to memory of 1492	340	RegAsm.exe	29

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:904
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:340
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 340 -s 256
    3⤵
    - Program crash
    PID:1492

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/904-0-0x00000000008A0000-0x0000000000972000-memory.dmp

Filesize
840KB

Download
memory/904-1-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/904-2-0x0000000004CA0000-0x0000000004CE0000-memory.dmp

Filesize
256KB

Download
memory/904-3-0x0000000005BA0000-0x0000000005C5C000-memory.dmp

Filesize
752KB

Download
memory/904-4-0x0000000005BA0000-0x0000000005C56000-memory.dmp

Filesize
728KB

Download
memory/904-5-0x0000000005BA0000-0x0000000005C56000-memory.dmp

Filesize
728KB

Download
memory/904-7-0x0000000005BA0000-0x0000000005C56000-memory.dmp

Filesize
728KB

Download
memory/904-9-0x0000000005BA0000-0x0000000005C56000-memory.dmp

Filesize
728KB

Download
memory/904-13-0x0000000005BA0000-0x0000000005C56000-memory.dmp

Filesize
728KB

Download
memory/904-11-0x0000000005BA0000-0x0000000005C56000-memory.dmp

Filesize
728KB

Download
memory/904-19-0x0000000005BA0000-0x0000000005C56000-memory.dmp

Filesize
728KB

Download
memory/904-17-0x0000000005BA0000-0x0000000005C56000-memory.dmp

Filesize
728KB

Download
memory/904-15-0x0000000005BA0000-0x0000000005C56000-memory.dmp

Filesize
728KB

Download
memory/904-23-0x0000000005BA0000-0x0000000005C56000-memory.dmp

Filesize
728KB

Download
memory/904-21-0x0000000005BA0000-0x0000000005C56000-memory.dmp

Filesize
728KB

Download
memory/904-29-0x0000000005BA0000-0x0000000005C56000-memory.dmp

Filesize
728KB

Download
memory/904-27-0x0000000005BA0000-0x0000000005C56000-memory.dmp

Filesize
728KB

Download
memory/904-25-0x0000000005BA0000-0x0000000005C56000-memory.dmp

Filesize
728KB

Download
memory/904-33-0x0000000005BA0000-0x0000000005C56000-memory.dmp

Filesize
728KB

Download
memory/904-31-0x0000000005BA0000-0x0000000005C56000-memory.dmp

Filesize
728KB

Download
memory/904-35-0x0000000005BA0000-0x0000000005C56000-memory.dmp

Filesize
728KB

Download
memory/904-37-0x0000000005BA0000-0x0000000005C56000-memory.dmp

Filesize
728KB

Download
memory/904-39-0x0000000005BA0000-0x0000000005C56000-memory.dmp

Filesize
728KB

Download
memory/904-43-0x0000000005BA0000-0x0000000005C56000-memory.dmp

Filesize
728KB

Download
memory/904-45-0x0000000005BA0000-0x0000000005C56000-memory.dmp

Filesize
728KB

Download
memory/904-41-0x0000000005BA0000-0x0000000005C56000-memory.dmp

Filesize
728KB

Download
memory/904-49-0x0000000005BA0000-0x0000000005C56000-memory.dmp

Filesize
728KB

Download
memory/904-47-0x0000000005BA0000-0x0000000005C56000-memory.dmp

Filesize
728KB

Download
memory/904-53-0x0000000005BA0000-0x0000000005C56000-memory.dmp

Filesize
728KB

Download
memory/904-51-0x0000000005BA0000-0x0000000005C56000-memory.dmp

Filesize
728KB

Download
memory/904-55-0x0000000005BA0000-0x0000000005C56000-memory.dmp

Filesize
728KB

Download
memory/904-57-0x0000000005BA0000-0x0000000005C56000-memory.dmp

Filesize
728KB

Download
memory/904-61-0x0000000005BA0000-0x0000000005C56000-memory.dmp

Filesize
728KB

Download
memory/904-59-0x0000000005BA0000-0x0000000005C56000-memory.dmp

Filesize
728KB

Download
memory/904-65-0x0000000005BA0000-0x0000000005C56000-memory.dmp

Filesize
728KB

Download
memory/904-63-0x0000000005BA0000-0x0000000005C56000-memory.dmp

Filesize
728KB

Download
memory/904-67-0x0000000005BA0000-0x0000000005C56000-memory.dmp

Filesize
728KB

Download
memory/904-887-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/904-1081-0x0000000004CA0000-0x0000000004CE0000-memory.dmp

Filesize
256KB

Download
memory/904-1082-0x0000000000420000-0x0000000000421000-memory.dmp

Filesize
4KB

Download
memory/904-1083-0x0000000001F10000-0x0000000001F46000-memory.dmp

Filesize
216KB

Download
memory/904-1084-0x0000000004770000-0x00000000047BC000-memory.dmp

Filesize
304KB

Download
memory/904-1094-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download