xworm | 1983ca8eb7b0270ef0681fa6fd3d1ca8cdf416800c2403be82e8d6cf2b722f12

Analysis

max time kernel
142s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
02-08-2024 13:05

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General

Target

1983ca8eb7b0270ef0681fa6fd3d1ca8cdf416800c2403be82e8d6cf2b722f12.exe
Size

446KB
MD5

dcb0a260c42324fea0225b8f07939105
SHA1

a550e5fd06f286f0e2427954fdcffea8333e1d27
SHA256

1983ca8eb7b0270ef0681fa6fd3d1ca8cdf416800c2403be82e8d6cf2b722f12
SHA512

cbb51b952b72b93586ef791056d3f45d4690199134b173b76942c104d1b8067cd6583d88dc3bc05c3e89905a4c63762f664d9832eefb2e6d6c71ec3c136a95d4
SSDEEP

12288:EWQofC1P5wYpwmdfCrzhSLmi3Jf+Mg9e:EWK15wwwmdmEb3x+Mg8

Score

10^/10

xworm discovery execution rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

127.0.0.1:2005

79.110.62.113:2005

Mutex

0QFmCI3ycTg10NnI

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/5020-11-0x0000000000400000-0x000000000040E000-memory.dmp	family_xworm

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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2056	powershell.exe

Checks computer location settings 2 TTPs 1 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-1-5-21-1266786182-1874524688-71015548-1000\Control Panel\International\Geo\Nation	1983ca8eb7b0270ef0681fa6fd3d1ca8cdf416800c2403be82e8d6cf2b722f12.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2860 set thread context of 5020	2860	1983ca8eb7b0270ef0681fa6fd3d1ca8cdf416800c2403be82e8d6cf2b722f12.exe	88

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1983ca8eb7b0270ef0681fa6fd3d1ca8cdf416800c2403be82e8d6cf2b722f12.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1983ca8eb7b0270ef0681fa6fd3d1ca8cdf416800c2403be82e8d6cf2b722f12.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2056	powershell.exe
2056	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2056	powershell.exe
Token: SeDebugPrivilege	5020	1983ca8eb7b0270ef0681fa6fd3d1ca8cdf416800c2403be82e8d6cf2b722f12.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 2056	2860	1983ca8eb7b0270ef0681fa6fd3d1ca8cdf416800c2403be82e8d6cf2b722f12.exe	86
PID 2860 wrote to memory of 2056	2860	1983ca8eb7b0270ef0681fa6fd3d1ca8cdf416800c2403be82e8d6cf2b722f12.exe	86
PID 2860 wrote to memory of 2056	2860	1983ca8eb7b0270ef0681fa6fd3d1ca8cdf416800c2403be82e8d6cf2b722f12.exe	86
PID 2860 wrote to memory of 5020	2860	1983ca8eb7b0270ef0681fa6fd3d1ca8cdf416800c2403be82e8d6cf2b722f12.exe	88
PID 2860 wrote to memory of 5020	2860	1983ca8eb7b0270ef0681fa6fd3d1ca8cdf416800c2403be82e8d6cf2b722f12.exe	88
PID 2860 wrote to memory of 5020	2860	1983ca8eb7b0270ef0681fa6fd3d1ca8cdf416800c2403be82e8d6cf2b722f12.exe	88
PID 2860 wrote to memory of 5020	2860	1983ca8eb7b0270ef0681fa6fd3d1ca8cdf416800c2403be82e8d6cf2b722f12.exe	88
PID 2860 wrote to memory of 5020	2860	1983ca8eb7b0270ef0681fa6fd3d1ca8cdf416800c2403be82e8d6cf2b722f12.exe	88
PID 2860 wrote to memory of 5020	2860	1983ca8eb7b0270ef0681fa6fd3d1ca8cdf416800c2403be82e8d6cf2b722f12.exe	88
PID 2860 wrote to memory of 5020	2860	1983ca8eb7b0270ef0681fa6fd3d1ca8cdf416800c2403be82e8d6cf2b722f12.exe	88
PID 2860 wrote to memory of 5020	2860	1983ca8eb7b0270ef0681fa6fd3d1ca8cdf416800c2403be82e8d6cf2b722f12.exe	88

C:\Users\Admin\AppData\Local\Temp\1983ca8eb7b0270ef0681fa6fd3d1ca8cdf416800c2403be82e8d6cf2b722f12.exe
"C:\Users\Admin\AppData\Local\Temp\1983ca8eb7b0270ef0681fa6fd3d1ca8cdf416800c2403be82e8d6cf2b722f12.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2860
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\1983ca8eb7b0270ef0681fa6fd3d1ca8cdf416800c2403be82e8d6cf2b722f12.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2056
- C:\Users\Admin\AppData\Local\Temp\1983ca8eb7b0270ef0681fa6fd3d1ca8cdf416800c2403be82e8d6cf2b722f12.exe
  "C:\Users\Admin\AppData\Local\Temp\1983ca8eb7b0270ef0681fa6fd3d1ca8cdf416800c2403be82e8d6cf2b722f12.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:5020

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\1983ca8eb7b0270ef0681fa6fd3d1ca8cdf416800c2403be82e8d6cf2b722f12.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lwxjo55d.ou0.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2056-22-0x0000000005350000-0x00000000053B6000-memory.dmp

Filesize
408KB

Download
memory/2056-23-0x0000000005470000-0x00000000054D6000-memory.dmp

Filesize
408KB

Download
memory/2056-59-0x0000000007010000-0x0000000007024000-memory.dmp

Filesize
80KB

Download
memory/2056-33-0x00000000054E0000-0x0000000005834000-memory.dmp

Filesize
3.3MB

Download
memory/2056-58-0x0000000007000000-0x000000000700E000-memory.dmp

Filesize
56KB

Download
memory/2056-57-0x0000000006FD0000-0x0000000006FE1000-memory.dmp

Filesize
68KB

Download
memory/2056-56-0x0000000007050000-0x00000000070E6000-memory.dmp

Filesize
600KB

Download
memory/2056-55-0x0000000006E40000-0x0000000006E4A000-memory.dmp

Filesize
40KB

Download
memory/2056-54-0x0000000004800000-0x000000000481A000-memory.dmp

Filesize
104KB

Download
memory/2056-53-0x00000000073F0000-0x0000000007A6A000-memory.dmp

Filesize
6.5MB

Download
memory/2056-34-0x0000000005A80000-0x0000000005A9E000-memory.dmp

Filesize
120KB

Download
memory/2056-61-0x00000000070F0000-0x00000000070F8000-memory.dmp

Filesize
32KB

Download
memory/2056-51-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/2056-16-0x0000000002190000-0x00000000021C6000-memory.dmp

Filesize
216KB

Download
memory/2056-17-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/2056-18-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/2056-19-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/2056-35-0x0000000005AC0000-0x0000000005B0C000-memory.dmp

Filesize
304KB

Download
memory/2056-21-0x0000000005230000-0x0000000005252000-memory.dmp

Filesize
136KB

Download
memory/2056-60-0x0000000007110000-0x000000000712A000-memory.dmp

Filesize
104KB

Download
memory/2056-50-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/2056-49-0x0000000006CA0000-0x0000000006D43000-memory.dmp

Filesize
652KB

Download
memory/2056-47-0x0000000006C20000-0x0000000006C3E000-memory.dmp

Filesize
120KB

Download
memory/2056-64-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/2056-20-0x0000000004BC0000-0x00000000051E8000-memory.dmp

Filesize
6.2MB

Download
memory/2056-36-0x0000000006C40000-0x0000000006C72000-memory.dmp

Filesize
200KB

Download
memory/2056-37-0x0000000070F30000-0x0000000070F7C000-memory.dmp

Filesize
304KB

Download
memory/2056-48-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/2860-5-0x0000000004DB0000-0x0000000004DBA000-memory.dmp

Filesize
40KB

Download
memory/2860-1-0x00000000002A0000-0x0000000000316000-memory.dmp

Filesize
472KB

Download
memory/2860-0-0x000000007511E000-0x000000007511F000-memory.dmp

Filesize
4KB

Download
memory/2860-3-0x0000000004CF0000-0x0000000004D82000-memory.dmp

Filesize
584KB

Download
memory/2860-14-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/2860-2-0x00000000053B0000-0x0000000005954000-memory.dmp

Filesize
5.6MB

Download
memory/2860-10-0x00000000060E0000-0x000000000617C000-memory.dmp

Filesize
624KB

Download
memory/2860-9-0x00000000061B0000-0x0000000006200000-memory.dmp

Filesize
320KB

Download
memory/2860-8-0x00000000046B0000-0x00000000046BC000-memory.dmp

Filesize
48KB

Download
memory/2860-7-0x0000000005370000-0x0000000005378000-memory.dmp

Filesize
32KB

Download
memory/2860-6-0x0000000005000000-0x000000000501A000-memory.dmp

Filesize
104KB

Download
memory/2860-4-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/5020-15-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/5020-52-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/5020-65-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/5020-11-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/5020-66-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download