xworm | b6f677ed348de7160677ca453846e77713ba1b2e9820b03be282956626725eca

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-11-2024 20:05

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General

Target

boot/Output.exe
Size

19.1MB
MD5

1e1f058b9022cd3a95060cff1b1cf210
SHA1

3918d00edeaa189b0eac34b9eb488ef7f2c422a3
SHA256

4d220efb35e831a8663e0ab732846b70857ed6562928f22cd4bfc65dc5246a85
SHA512

b30d994bce280300743eb7b193407970b116c49d0afef9de2124c467fa5bc2c18e4bb8ff2dba65e179dab07f7bf854fd4bd8185ee1e80cdc4689fc8d24fb4edc
SSDEEP

393216:aBSZCeuEixoVYUZoQ6QzhFFkgzGAtJe2x5uubfweKOZZpk4v:aM86ixofhkyGWe2LZjpf

Score

10^/10

xworm pyinstaller rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

89.213.177.171:7000

Mutex

QSt8Afyc7zR2PwtO

Attributes

Install_directory
%ProgramData%
install_file
VLC_Medai.exe

aes.plain

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral13/memory/2756-12-0x0000000000A90000-0x0000000000AA2000-memory.dmp	family_xworm
behavioral13/files/0x0005000000019279-11.dat	family_xworm

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

Executes dropped EXE 3 IoCs

pid	Process
2268	run.exe
2756	api.exe
1016	run.exe

Loads dropped DLL 3 IoCs

pid	Process
2792	Output.exe
2268	run.exe
1016	run.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	ip-api.com

Detects Pyinstaller 1 IoCs

pyinstaller

resource	yara_rule
behavioral13/files/0x00090000000120f6-13.dat	pyinstaller

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2756	api.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 2268	2792	Output.exe	30
PID 2792 wrote to memory of 2268	2792	Output.exe	30
PID 2792 wrote to memory of 2268	2792	Output.exe	30
PID 2792 wrote to memory of 2756	2792	Output.exe	31
PID 2792 wrote to memory of 2756	2792	Output.exe	31
PID 2792 wrote to memory of 2756	2792	Output.exe	31
PID 2268 wrote to memory of 1016	2268	run.exe	33
PID 2268 wrote to memory of 1016	2268	run.exe	33
PID 2268 wrote to memory of 1016	2268	run.exe	33

C:\Users\Admin\AppData\Local\Temp\boot\Output.exe
"C:\Users\Admin\AppData\Local\Temp\boot\Output.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2792
- C:\Users\Admin\AppData\Local\Temp\run.exe
  "C:\Users\Admin\AppData\Local\Temp\run.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2268
- - C:\Users\Admin\AppData\Local\Temp\run.exe
    "C:\Users\Admin\AppData\Local\Temp\run.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:1016
- C:\Users\Admin\AppData\Local\Temp\api.exe
  "C:\Users\Admin\AppData\Local\Temp\api.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\_MEI22682\python312.dll

Filesize
6.6MB

MD5
3c388ce47c0d9117d2a50b3fa5ac981d

SHA1
038484ff7460d03d1d36c23f0de4874cbaea2c48

SHA256
c98ba3354a7d1f69bdca42560feec933ccba93afcc707391049a065e1079cddb

SHA512
e529c5c1c028be01e44a156cd0e7cad0a24b5f91e5d34697fafc395b63e37780dc0fac8f4c5d075ad8fe4bd15d62a250b818ff3d4ead1e281530a4c7e3ce6d35

Download Submit
C:\Users\Admin\AppData\Local\Temp\api.exe

Filesize
50KB

MD5
5cfd28dd440ab2a776e877730bba5f43

SHA1
dc2acd133a6db45f57ad69192ac1aa8464bf8d0d

SHA256
badcd1409afadc7ead84161997c00fbfd4d061c399d685f98a84fe8702aa4b96

SHA512
2cf2d505263deac9c6a9e4d93d756a81aee9ae7ac270fd0780a1809b05810e05839a5635517d65a75a22718eb7069cc94303493c9cccc369fc8bc6bf12e7be40

Download Submit
C:\Users\Admin\AppData\Local\Temp\run.exe

Filesize
19.0MB

MD5
effd88481a995ffd0373f8de89e30e55

SHA1
e06def72e760f6400ccc6a52ea0051b36e279988

SHA256
2c74260e7fae9e538da537943f4691df875791a730d688af5dcd89d2a529fa48

SHA512
9491b92a8c4241bfb49db2944f065b39922166ca6540d929bac25ae002f8649e3220da19e26b2cd03069a3bb148268cab478d3b88106ebd78907ff89025b054c

Download Submit
memory/2756-12-0x0000000000A90000-0x0000000000AA2000-memory.dmp

Filesize
72KB

Download
memory/2756-61-0x000007FEF5FB0000-0x000007FEF699C000-memory.dmp

Filesize
9.9MB

Download
memory/2756-980-0x000007FEF5FB0000-0x000007FEF699C000-memory.dmp

Filesize
9.9MB

Download
memory/2756-1941-0x000007FEF5FB0000-0x000007FEF699C000-memory.dmp

Filesize
9.9MB

Download
memory/2792-0-0x000007FEF5FB3000-0x000007FEF5FB4000-memory.dmp

Filesize
4KB

Download
memory/2792-1-0x0000000001140000-0x0000000002462000-memory.dmp

Filesize
19.1MB

Download