xworm | e0eecf20dadcdb759dd3bcb79a05a202bf6308df38e3724cba1ba009ca31d03b

Analysis

max time kernel
143s
max time network
145s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 01:43

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General

Target

5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59.exe
Size

967KB
MD5

437ab2592608e8c710d9165cff2bacae
SHA1

935c5fe81f335ec3132c79b9f8e1e21c242a235d
SHA256

5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59
SHA512

4b4b0720428d184b1f6628227ce739c4b9bbdf91ee381893f8bdc295b83a7952c9bf371ab8a96f09e269b62a0358967ce3354e82a7523b1be86df5dab8b8d900
SSDEEP

24576:SAHnh+eWsN3skA4RV1Hom2KXMmHageJJaYFp2x5:Vh+ZkldoPK8YageJAYY

Score

10^/10

xworm rat trojan

Malware Config

Extracted

Family

xworm

127.0.0.1:2887

mynegatobenna.ddns.net:2887

Attributes

install_file
USB.exe

Signatures

Detect Xworm Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2364-15-0x0000000000400000-0x0000000000416000-memory.dmp	family_xworm
behavioral1/memory/2364-13-0x0000000000400000-0x0000000000416000-memory.dmp	family_xworm
behavioral1/memory/2364-11-0x0000000000400000-0x0000000000416000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
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

4 ip-api.com
Suspicious use of SetThreadContext 1 IoCs

Processes:

5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59.exe

description pid process target process

PID 1744 set thread context of 2364 1744 5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59.exe RegSvcs.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2140 1744 WerFault.exe 5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59.exe

pid process

1744 5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 2364 RegSvcs.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59.exe

pid process

1744 5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59.exe
1744 5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59.exe
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59.exe

pid process

1744 5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59.exe
1744 5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59.exe

flow	ioc
4	ip-api.com

description	pid	process	target process
PID 1744 set thread context of 2364	1744	5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59.exe	RegSvcs.exe

pid	pid_target	process	target process
2140	1744	WerFault.exe	5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59.exe

pid	process
1744	5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59.exe

description	pid	process
Token: SeDebugPrivilege	2364	RegSvcs.exe

pid	process
1744	5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59.exe
1744	5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59.exe

pid	process
1744	5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59.exe
1744	5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59.exe

description	pid	process	target process
PID 1744 wrote to memory of 2364	1744	5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59.exe	RegSvcs.exe
PID 1744 wrote to memory of 2364	1744	5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59.exe	RegSvcs.exe
PID 1744 wrote to memory of 2364	1744	5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59.exe	RegSvcs.exe
PID 1744 wrote to memory of 2364	1744	5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59.exe	RegSvcs.exe
PID 1744 wrote to memory of 2364	1744	5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59.exe	RegSvcs.exe
PID 1744 wrote to memory of 2364	1744	5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59.exe	RegSvcs.exe
PID 1744 wrote to memory of 2364	1744	5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59.exe	RegSvcs.exe
PID 1744 wrote to memory of 2364	1744	5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59.exe	RegSvcs.exe
PID 1744 wrote to memory of 2140	1744	5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59.exe	WerFault.exe
PID 1744 wrote to memory of 2140	1744	5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59.exe	WerFault.exe
PID 1744 wrote to memory of 2140	1744	5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59.exe	WerFault.exe
PID 1744 wrote to memory of 2140	1744	5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59.exe
"C:\Users\Admin\AppData\Local\Temp\5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1744

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\5d1c2ac36ca274835d9025eb9e3f7a113cf57509898e02cb9add7a97824cea59.exe"
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1744 -s 316
2⤵
- Program crash
PID:2140

Network

MITRE ATT&CK Matrix

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Downloads

memory/1744-10-0x00000000002E0000-0x00000000002E4000-memory.dmp

Filesize
16KB

Download
memory/2364-15-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2364-16-0x000000007401E000-0x000000007401F000-memory.dmp

Filesize
4KB

Download
memory/2364-13-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2364-11-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2364-17-0x0000000074010000-0x00000000746FE000-memory.dmp

Filesize
6.9MB

Download
memory/2364-18-0x000000007401E000-0x000000007401F000-memory.dmp

Filesize
4KB

Download
memory/2364-19-0x0000000074010000-0x00000000746FE000-memory.dmp

Filesize
6.9MB

Download