xworm | fcde1964bf5a6864ae27f37f2275d72177414c1cc0c7a335b9016df530ca8861

General

Target

XbinderV2.1.exe
Size

5.0MB
MD5

4fae9d58f316945e4dd804b87ea448ea
SHA1

2040e113ff666ff86b4c6bbe0ad8ffb90b8b08b9
SHA256

fcde1964bf5a6864ae27f37f2275d72177414c1cc0c7a335b9016df530ca8861
SHA512

609b7cd7e4baf006ddbff99e44d6724e009938bccc1ae332417abe21c0de1001275c54e33c9d18d6de751bcaa4e4f2482877368116564d0f6dca83f4ef16d3c7
SSDEEP

24576:yair/rjVJbC7vztZJIS002Kgp/nn6V9g:ya07qx0Zns

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

C2

193.161.193.99:63603

37.4.250.236:63603

Attributes

Install_directory
%AppData%
install_file
Runtime.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/files/0x0002000000022af2-7.dat	family_xworm
behavioral2/memory/4864-22-0x0000000000350000-0x0000000000368000-memory.dmp	family_xworm

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

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2624	powershell.exe
3684	powershell.exe
4288	powershell.exe
2296	powershell.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	XbinderV2.1.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	Runtime.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Runtime.lnk	Runtime.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Runtime.lnk	Runtime.exe

Executes dropped EXE 2 IoCs

pid	Process
4864	Runtime.exe
4428	XBinder v2.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2624	powershell.exe
2624	powershell.exe
3684	powershell.exe
3684	powershell.exe
4288	powershell.exe
4288	powershell.exe
2296	powershell.exe
2296	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4864	Runtime.exe
Token: SeDebugPrivilege	2624	powershell.exe
Token: SeDebugPrivilege	3684	powershell.exe
Token: SeDebugPrivilege	4288	powershell.exe
Token: SeDebugPrivilege	2296	powershell.exe
Token: SeDebugPrivilege	4864	Runtime.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2428 wrote to memory of 4864	2428	XbinderV2.1.exe	87
PID 2428 wrote to memory of 4864	2428	XbinderV2.1.exe	87
PID 2428 wrote to memory of 4428	2428	XbinderV2.1.exe	88
PID 2428 wrote to memory of 4428	2428	XbinderV2.1.exe	88
PID 4864 wrote to memory of 2624	4864	Runtime.exe	89
PID 4864 wrote to memory of 2624	4864	Runtime.exe	89
PID 4864 wrote to memory of 3684	4864	Runtime.exe	92
PID 4864 wrote to memory of 3684	4864	Runtime.exe	92
PID 4864 wrote to memory of 4288	4864	Runtime.exe	96
PID 4864 wrote to memory of 4288	4864	Runtime.exe	96
PID 4864 wrote to memory of 2296	4864	Runtime.exe	98
PID 4864 wrote to memory of 2296	4864	Runtime.exe	98

C:\Users\Admin\AppData\Local\Temp\XbinderV2.1.exe
"C:\Users\Admin\AppData\Local\Temp\XbinderV2.1.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2428
- C:\Users\Admin\AppData\Local\Temp\Runtime.exe
  "C:\Users\Admin\AppData\Local\Temp\Runtime.exe"
  2⤵
  - Checks computer location settings
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4864
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Runtime.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2624
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Runtime.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3684
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Runtime.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4288
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Runtime.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2296
- C:\Users\Admin\AppData\Local\Temp\XBinder v2.exe
  "C:\Users\Admin\AppData\Local\Temp\XBinder v2.exe"
  2⤵
  - Executes dropped EXE
  PID:4428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
d28a889fd956d5cb3accfbaf1143eb6f

SHA1
157ba54b365341f8ff06707d996b3635da8446f7

SHA256
21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45

SHA512
0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
10890cda4b6eab618e926c4118ab0647

SHA1
1e1d63b73a0e6c7575f458b3c7917a9ce5ba776d

SHA256
00f8a035324d39bd62e6dee5e1b480069015471c487ebee4479e6990ea9ddb14

SHA512
a2ee84006c24a36f25e0bca0772430d64e3791f233da916aecdeae6712763e77d55bbbd00dc8f6b2b3887f3c26ab3980b96c5f46cc823e81e28abbbc5fc78221

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
22310ad6749d8cc38284aa616efcd100

SHA1
440ef4a0a53bfa7c83fe84326a1dff4326dcb515

SHA256
55b1d8021c4eb4c3c0d75e3ed7a4eb30cd0123e3d69f32eeb596fe4ffec05abf

SHA512
2ef08e2ee15bb86695fe0c10533014ffed76ececc6e579d299d3365fafb7627f53e32e600bb6d872b9f58aca94f8cb7e1e94cdfd14777527f7f0aa019d9c6def

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

Filesize
69KB

MD5
e68e6918f51b7f4e8aee2645dcc5bbe6

SHA1
e706b613e0807035a789767cceef4a44690491fe

SHA256
3fcf495988ff9e7fd380a4da2cb845b9eb364e6a45040a702faa7e1fe2a00725

SHA512
1b1e9ab37632a65d89368178ee7220d666966f74cfa593216e1ea12e2eebad30f30fb85dbf90702a90e228facfaec27f90d5969f1e08b1e445e5f8751e152a6c

Download Submit
C:\Users\Admin\AppData\Local\Temp\XBinder v2.exe

Filesize
3.5MB

MD5
a98358eb7f4953aa6d60015ccd8506ce

SHA1
d9be0c9d6d968c1baef11027a7ace6a0e869e75a

SHA256
21e0cc9ef715cc2147b9ec481b3fb876dbae8a4491367b478513128d7f7b8555

SHA512
62389e840c375a15d317d024d2e07b861b5b66447abb0423f603b73d2ec0853e3f947f78498a40dd835b48ca50562af9364c65c448a60172fa9011b6e564fac4

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hziinq23.rlc.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2428-1-0x00000000002A0000-0x0000000000356000-memory.dmp

Filesize
728KB

Download
memory/2428-3-0x00007FFEF6560000-0x00007FFEF7021000-memory.dmp

Filesize
10.8MB

Download
memory/2428-28-0x00007FFEF6560000-0x00007FFEF7021000-memory.dmp

Filesize
10.8MB

Download
memory/2428-0-0x00007FFEF6563000-0x00007FFEF6565000-memory.dmp

Filesize
8KB

Download
memory/2624-38-0x000002D4EC440000-0x000002D4EC462000-memory.dmp

Filesize
136KB

Download
memory/4428-31-0x00007FFEF6560000-0x00007FFEF7021000-memory.dmp

Filesize
10.8MB

Download
memory/4428-32-0x000001D872E50000-0x000001D872EEC000-memory.dmp

Filesize
624KB

Download
memory/4428-30-0x000001D870510000-0x000001D87089E000-memory.dmp

Filesize
3.6MB

Download
memory/4428-29-0x00007FFEF6560000-0x00007FFEF7021000-memory.dmp

Filesize
10.8MB

Download
memory/4428-85-0x00007FFEF6560000-0x00007FFEF7021000-memory.dmp

Filesize
10.8MB

Download
memory/4864-22-0x0000000000350000-0x0000000000368000-memory.dmp

Filesize
96KB

Download
memory/4864-24-0x00007FFEF6560000-0x00007FFEF7021000-memory.dmp

Filesize
10.8MB

Download
memory/4864-83-0x00007FFEF6560000-0x00007FFEF7021000-memory.dmp

Filesize
10.8MB

Download
memory/4864-84-0x00007FFEF6560000-0x00007FFEF7021000-memory.dmp

Filesize
10.8MB

Download
memory/4864-86-0x00007FFEF6560000-0x00007FFEF7021000-memory.dmp

Filesize
10.8MB

Download

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