xehook | 88b4ac3ee1c2688ea9be4ec2f1982f7e093cae975aae9118e0c4a290af68ba14

Analysis

max time kernel
93s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
17-04-2024 14:11

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General

Target

1f64bc9469a33c77561e22beea18d9bbdd343dae89bc6f02bc85e24873d93f4e.exe
Size

328KB
MD5

2fa8c24b42f6542a290d85a9a3723e2a
SHA1

d7a518d0d6eae7732a59c6a7c397f0777d111255
SHA256

1f64bc9469a33c77561e22beea18d9bbdd343dae89bc6f02bc85e24873d93f4e
SHA512

764731d7ac9329083fc3a3db505b12c0a0f63ef3de3f07db80ebaab237a698b980961daaaa6b14b49ea63f93d5a848e81de6a50898c36f8609109c3ef70dc6db
SSDEEP

6144:3eY+jinF8jE9sKKegRcd2cS8ADT+5amtQuicddRp:fJf5vr9AuYOp

Score

10^/10

xehook zgrat rat spyware stealer

Malware Config

Signatures

Detect Xehook Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3564-5-0x0000000000400000-0x000000000042C000-memory.dmp	xehook

Detect ZGRat V1 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4988-0-0x00000000006D0000-0x0000000000724000-memory.dmp	family_zgrat_v1

Xehook stealer
Xehook is an infostealer written in C#.
stealer xehook
ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

14 ip-api.com

flow	ioc
14	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

Processes:

1f64bc9469a33c77561e22beea18d9bbdd343dae89bc6f02bc85e24873d93f4e.exe

description	pid	process	target process
PID 4988 set thread context of 3564	4988	1f64bc9469a33c77561e22beea18d9bbdd343dae89bc6f02bc85e24873d93f4e.exe	RegAsm.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4448 3564 WerFault.exe RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 3564 RegAsm.exe

pid	pid_target	process	target process
4448	3564	WerFault.exe	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	3564	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

1f64bc9469a33c77561e22beea18d9bbdd343dae89bc6f02bc85e24873d93f4e.exe

description	pid	process	target process
PID 4988 wrote to memory of 3564	4988	1f64bc9469a33c77561e22beea18d9bbdd343dae89bc6f02bc85e24873d93f4e.exe	RegAsm.exe
PID 4988 wrote to memory of 3564	4988	1f64bc9469a33c77561e22beea18d9bbdd343dae89bc6f02bc85e24873d93f4e.exe	RegAsm.exe
PID 4988 wrote to memory of 3564	4988	1f64bc9469a33c77561e22beea18d9bbdd343dae89bc6f02bc85e24873d93f4e.exe	RegAsm.exe
PID 4988 wrote to memory of 3564	4988	1f64bc9469a33c77561e22beea18d9bbdd343dae89bc6f02bc85e24873d93f4e.exe	RegAsm.exe
PID 4988 wrote to memory of 3564	4988	1f64bc9469a33c77561e22beea18d9bbdd343dae89bc6f02bc85e24873d93f4e.exe	RegAsm.exe
PID 4988 wrote to memory of 3564	4988	1f64bc9469a33c77561e22beea18d9bbdd343dae89bc6f02bc85e24873d93f4e.exe	RegAsm.exe
PID 4988 wrote to memory of 3564	4988	1f64bc9469a33c77561e22beea18d9bbdd343dae89bc6f02bc85e24873d93f4e.exe	RegAsm.exe
PID 4988 wrote to memory of 3564	4988	1f64bc9469a33c77561e22beea18d9bbdd343dae89bc6f02bc85e24873d93f4e.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\1f64bc9469a33c77561e22beea18d9bbdd343dae89bc6f02bc85e24873d93f4e.exe
"C:\Users\Admin\AppData\Local\Temp\1f64bc9469a33c77561e22beea18d9bbdd343dae89bc6f02bc85e24873d93f4e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4988

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:3564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3564 -s 1804
3⤵
- Program crash
PID:4448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 3564 -ip 3564
1⤵
PID:1140

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

memory/3564-13-0x0000000006810000-0x00000000068A2000-memory.dmp

Filesize
584KB

Download
memory/3564-5-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/3564-8-0x00000000054E0000-0x00000000054FA000-memory.dmp

Filesize
104KB

Download
memory/3564-10-0x0000000005C30000-0x00000000061D4000-memory.dmp

Filesize
5.6MB

Download
memory/3564-12-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/3564-14-0x00000000079D0000-0x0000000007A36000-memory.dmp

Filesize
408KB

Download
memory/3564-16-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/4988-1-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/4988-2-0x00000000050E0000-0x00000000050F0000-memory.dmp

Filesize
64KB

Download
memory/4988-9-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/4988-11-0x0000000002B30000-0x0000000004B30000-memory.dmp

Filesize
32.0MB

Download
memory/4988-0-0x00000000006D0000-0x0000000000724000-memory.dmp

Filesize
336KB

Download
memory/4988-17-0x0000000002B30000-0x0000000004B30000-memory.dmp

Filesize
32.0MB

Download