zgrat | 89d511c97a4e0f4bf48a72fe764adb6d3de9007859c7632dc07477f2062c2b20

Resubmissions

09-04-2024 03:49

240409-edcl2adf68 10

09-04-2024 03:48

09-04-2024 03:47

09-04-2024 03:47

03-04-2024 12:14

Analysis

max time kernel
97s
max time network
202s
platform
windows11-21h2_x64
resource
win11-20240221-en
resource tags

arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
submitted
09-04-2024 03:47

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General

Target

Ezxotfkmz.exe
Size

451KB
MD5

0d34f2b095cbff0be00eb45758929907
SHA1

3fa3b5e296d49c4d8e6dfc5d4b775a48609aca78
SHA256

89d511c97a4e0f4bf48a72fe764adb6d3de9007859c7632dc07477f2062c2b20
SHA512

6965e9d2c2b9a11bb428ba8ac47202b7d0d4aaf826f905fb0afee903b2ae4b85cec446b536721b84237aeeb08f03ff413a67c75c36ba78d85a6727831e7b6340
SSDEEP

6144:xpHC550+1KYQ2JRpK3SRgadBU9RwfqUKDPi5xo/nY:xpis+S2JRpK3SRgKQ/n

Score

10^/10

zgrat rat

Malware Config

Signatures

Detect ZGRat V1 34 IoCs

Processes:

resource	yara_rule
behavioral4/memory/1448-3-0x0000000005610000-0x00000000059F4000-memory.dmp	family_zgrat_v1
behavioral4/memory/1448-4-0x0000000005610000-0x00000000059EF000-memory.dmp	family_zgrat_v1
behavioral4/memory/1448-5-0x0000000005610000-0x00000000059EF000-memory.dmp	family_zgrat_v1
behavioral4/memory/1448-7-0x0000000005610000-0x00000000059EF000-memory.dmp	family_zgrat_v1
behavioral4/memory/1448-9-0x0000000005610000-0x00000000059EF000-memory.dmp	family_zgrat_v1
behavioral4/memory/1448-11-0x0000000005610000-0x00000000059EF000-memory.dmp	family_zgrat_v1
behavioral4/memory/1448-13-0x0000000005610000-0x00000000059EF000-memory.dmp	family_zgrat_v1
behavioral4/memory/1448-15-0x0000000005610000-0x00000000059EF000-memory.dmp	family_zgrat_v1
behavioral4/memory/1448-17-0x0000000005610000-0x00000000059EF000-memory.dmp	family_zgrat_v1
behavioral4/memory/1448-19-0x0000000005610000-0x00000000059EF000-memory.dmp	family_zgrat_v1
behavioral4/memory/1448-21-0x0000000005610000-0x00000000059EF000-memory.dmp	family_zgrat_v1
behavioral4/memory/1448-23-0x0000000005610000-0x00000000059EF000-memory.dmp	family_zgrat_v1
behavioral4/memory/1448-25-0x0000000005610000-0x00000000059EF000-memory.dmp	family_zgrat_v1
behavioral4/memory/1448-27-0x0000000005610000-0x00000000059EF000-memory.dmp	family_zgrat_v1
behavioral4/memory/1448-29-0x0000000005610000-0x00000000059EF000-memory.dmp	family_zgrat_v1
behavioral4/memory/1448-31-0x0000000005610000-0x00000000059EF000-memory.dmp	family_zgrat_v1
behavioral4/memory/1448-33-0x0000000005610000-0x00000000059EF000-memory.dmp	family_zgrat_v1
behavioral4/memory/1448-35-0x0000000005610000-0x00000000059EF000-memory.dmp	family_zgrat_v1
behavioral4/memory/1448-37-0x0000000005610000-0x00000000059EF000-memory.dmp	family_zgrat_v1
behavioral4/memory/1448-39-0x0000000005610000-0x00000000059EF000-memory.dmp	family_zgrat_v1
behavioral4/memory/1448-41-0x0000000005610000-0x00000000059EF000-memory.dmp	family_zgrat_v1
behavioral4/memory/1448-43-0x0000000005610000-0x00000000059EF000-memory.dmp	family_zgrat_v1
behavioral4/memory/1448-45-0x0000000005610000-0x00000000059EF000-memory.dmp	family_zgrat_v1
behavioral4/memory/1448-47-0x0000000005610000-0x00000000059EF000-memory.dmp	family_zgrat_v1
behavioral4/memory/1448-49-0x0000000005610000-0x00000000059EF000-memory.dmp	family_zgrat_v1
behavioral4/memory/1448-51-0x0000000005610000-0x00000000059EF000-memory.dmp	family_zgrat_v1
behavioral4/memory/1448-53-0x0000000005610000-0x00000000059EF000-memory.dmp	family_zgrat_v1
behavioral4/memory/1448-55-0x0000000005610000-0x00000000059EF000-memory.dmp	family_zgrat_v1
behavioral4/memory/1448-57-0x0000000005610000-0x00000000059EF000-memory.dmp	family_zgrat_v1
behavioral4/memory/1448-59-0x0000000005610000-0x00000000059EF000-memory.dmp	family_zgrat_v1
behavioral4/memory/1448-61-0x0000000005610000-0x00000000059EF000-memory.dmp	family_zgrat_v1
behavioral4/memory/1448-63-0x0000000005610000-0x00000000059EF000-memory.dmp	family_zgrat_v1
behavioral4/memory/1448-65-0x0000000005610000-0x00000000059EF000-memory.dmp	family_zgrat_v1
behavioral4/memory/1448-67-0x0000000005610000-0x00000000059EF000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat
Drops startup file 1 IoCs

Processes:

Ezxotfkmz.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Bcesihxe.vbs Ezxotfkmz.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Ezxotfkmz.exe

description pid process target process

PID 1448 set thread context of 1056 1448 Ezxotfkmz.exe Ezxotfkmz.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4772 1056 WerFault.exe Ezxotfkmz.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Ezxotfkmz.exe

description pid process

Token: SeDebugPrivilege 1448 Ezxotfkmz.exe
Token: SeDebugPrivilege 1448 Ezxotfkmz.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Bcesihxe.vbs	Ezxotfkmz.exe

description	pid	process	target process
PID 1448 set thread context of 1056	1448	Ezxotfkmz.exe	Ezxotfkmz.exe

pid	pid_target	process	target process
4772	1056	WerFault.exe	Ezxotfkmz.exe

description	pid	process
Token: SeDebugPrivilege	1448	Ezxotfkmz.exe
Token: SeDebugPrivilege	1448	Ezxotfkmz.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Ezxotfkmz.exe

description	pid	process	target process
PID 1448 wrote to memory of 1056	1448	Ezxotfkmz.exe	Ezxotfkmz.exe
PID 1448 wrote to memory of 1056	1448	Ezxotfkmz.exe	Ezxotfkmz.exe
PID 1448 wrote to memory of 1056	1448	Ezxotfkmz.exe	Ezxotfkmz.exe
PID 1448 wrote to memory of 1056	1448	Ezxotfkmz.exe	Ezxotfkmz.exe
PID 1448 wrote to memory of 1056	1448	Ezxotfkmz.exe	Ezxotfkmz.exe
PID 1448 wrote to memory of 1056	1448	Ezxotfkmz.exe	Ezxotfkmz.exe
PID 1448 wrote to memory of 1056	1448	Ezxotfkmz.exe	Ezxotfkmz.exe
PID 1448 wrote to memory of 1056	1448	Ezxotfkmz.exe	Ezxotfkmz.exe
PID 1448 wrote to memory of 1056	1448	Ezxotfkmz.exe	Ezxotfkmz.exe
PID 1448 wrote to memory of 1056	1448	Ezxotfkmz.exe	Ezxotfkmz.exe
PID 1448 wrote to memory of 1056	1448	Ezxotfkmz.exe	Ezxotfkmz.exe

C:\Users\Admin\AppData\Local\Temp\Ezxotfkmz.exe
"C:\Users\Admin\AppData\Local\Temp\Ezxotfkmz.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1448
- C:\Users\Admin\AppData\Local\Temp\Ezxotfkmz.exe
  "C:\Users\Admin\AppData\Local\Temp\Ezxotfkmz.exe"
  2⤵
  PID:1056
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1056 -s 200
    3⤵
    - Program crash
    PID:4772

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1056 -ip 1056
1⤵
PID:1208

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1448-0-0x00000000002D0000-0x0000000000346000-memory.dmp

Filesize
472KB

Download
memory/1448-1-0x0000000074B10000-0x00000000752C1000-memory.dmp

Filesize
7.7MB

Download
memory/1448-2-0x0000000004D40000-0x0000000004D50000-memory.dmp

Filesize
64KB

Download
memory/1448-3-0x0000000005610000-0x00000000059F4000-memory.dmp

Filesize
3.9MB

Download
memory/1448-4-0x0000000005610000-0x00000000059EF000-memory.dmp

Filesize
3.9MB

Download
memory/1448-5-0x0000000005610000-0x00000000059EF000-memory.dmp

Filesize
3.9MB

Download
memory/1448-7-0x0000000005610000-0x00000000059EF000-memory.dmp

Filesize
3.9MB

Download
memory/1448-9-0x0000000005610000-0x00000000059EF000-memory.dmp

Filesize
3.9MB

Download
memory/1448-11-0x0000000005610000-0x00000000059EF000-memory.dmp

Filesize
3.9MB

Download
memory/1448-13-0x0000000005610000-0x00000000059EF000-memory.dmp

Filesize
3.9MB

Download
memory/1448-15-0x0000000005610000-0x00000000059EF000-memory.dmp

Filesize
3.9MB

Download
memory/1448-17-0x0000000005610000-0x00000000059EF000-memory.dmp

Filesize
3.9MB

Download
memory/1448-19-0x0000000005610000-0x00000000059EF000-memory.dmp

Filesize
3.9MB

Download
memory/1448-21-0x0000000005610000-0x00000000059EF000-memory.dmp

Filesize
3.9MB

Download
memory/1448-23-0x0000000005610000-0x00000000059EF000-memory.dmp

Filesize
3.9MB

Download
memory/1448-25-0x0000000005610000-0x00000000059EF000-memory.dmp

Filesize
3.9MB

Download
memory/1448-27-0x0000000005610000-0x00000000059EF000-memory.dmp

Filesize
3.9MB

Download
memory/1448-29-0x0000000005610000-0x00000000059EF000-memory.dmp

Filesize
3.9MB

Download
memory/1448-31-0x0000000005610000-0x00000000059EF000-memory.dmp

Filesize
3.9MB

Download
memory/1448-33-0x0000000005610000-0x00000000059EF000-memory.dmp

Filesize
3.9MB

Download
memory/1448-35-0x0000000005610000-0x00000000059EF000-memory.dmp

Filesize
3.9MB

Download
memory/1448-37-0x0000000005610000-0x00000000059EF000-memory.dmp

Filesize
3.9MB

Download
memory/1448-39-0x0000000005610000-0x00000000059EF000-memory.dmp

Filesize
3.9MB

Download
memory/1448-41-0x0000000005610000-0x00000000059EF000-memory.dmp

Filesize
3.9MB

Download
memory/1448-43-0x0000000005610000-0x00000000059EF000-memory.dmp

Filesize
3.9MB

Download
memory/1448-45-0x0000000005610000-0x00000000059EF000-memory.dmp

Filesize
3.9MB

Download
memory/1448-47-0x0000000005610000-0x00000000059EF000-memory.dmp

Filesize
3.9MB

Download
memory/1448-49-0x0000000005610000-0x00000000059EF000-memory.dmp

Filesize
3.9MB

Download
memory/1448-51-0x0000000005610000-0x00000000059EF000-memory.dmp

Filesize
3.9MB

Download
memory/1448-53-0x0000000005610000-0x00000000059EF000-memory.dmp

Filesize
3.9MB

Download
memory/1448-55-0x0000000005610000-0x00000000059EF000-memory.dmp

Filesize
3.9MB

Download
memory/1448-57-0x0000000005610000-0x00000000059EF000-memory.dmp

Filesize
3.9MB

Download
memory/1448-59-0x0000000005610000-0x00000000059EF000-memory.dmp

Filesize
3.9MB

Download
memory/1448-61-0x0000000005610000-0x00000000059EF000-memory.dmp

Filesize
3.9MB

Download
memory/1448-63-0x0000000005610000-0x00000000059EF000-memory.dmp

Filesize
3.9MB

Download
memory/1448-65-0x0000000005610000-0x00000000059EF000-memory.dmp

Filesize
3.9MB

Download
memory/1448-67-0x0000000005610000-0x00000000059EF000-memory.dmp

Filesize
3.9MB

Download
memory/1448-1857-0x0000000074B10000-0x00000000752C1000-memory.dmp

Filesize
7.7MB

Download
memory/1448-2067-0x0000000004D40000-0x0000000004D50000-memory.dmp

Filesize
64KB

Download
memory/1448-4886-0x0000000000840000-0x0000000000841000-memory.dmp

Filesize
4KB

Download
memory/1448-4887-0x0000000006DC0000-0x0000000006FE0000-memory.dmp

Filesize
2.1MB

Download
memory/1448-4888-0x00000000046F0000-0x000000000473C000-memory.dmp

Filesize
304KB

Download
memory/1448-4889-0x0000000006270000-0x0000000006816000-memory.dmp

Filesize
5.6MB

Download
memory/1448-4890-0x0000000005A60000-0x0000000005AB4000-memory.dmp

Filesize
336KB

Download
memory/1448-4898-0x0000000074B10000-0x00000000752C1000-memory.dmp

Filesize
7.7MB

Download