xworm | 71fc9d8209f82b251fef2fdeee9a441a739719e5fe66c12883e67b8381f8c11f

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-11-2024 04:25

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General

Target

Output.exe
Size

883KB
MD5

968a96a052af886b1fcec09332b8fb17
SHA1

c753cb113ae3d58ecdb1681b1297f14452c4899f
SHA256

71fc9d8209f82b251fef2fdeee9a441a739719e5fe66c12883e67b8381f8c11f
SHA512

63483c9b1f1398bd621fb4983ebbabcb33368aa312dabce2db7c1bace15eba4db9609742c8f4b7e0daa769de0a59ad9883e7010e06c1fcb34d722d488a5b4a91
SSDEEP

24576:OSAf8tUxkKfeR40FLYylkHD6kAhgJY9roBpbO7Jf:kOUx8RF/lkjqhg/Da7Jf

Score

10^/10

xworm rat trojan

Malware Config

Extracted

Family

xworm

127.0.0.1:32758

pressure-continuous.gl.at.ply.gg:32758

Attributes

Install_directory
%Temp%
install_file
USB.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/files/0x0008000000019234-10.dat	family_xworm
behavioral1/memory/1788-12-0x00000000001E0000-0x00000000001F8000-memory.dmp	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
2532	Bootstrapper.exe
1788	XClient.exe
1188	Process not Found

Loads dropped DLL 1 IoCs

pid	Process
2536	Output.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

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

System Information Discovery
T1082

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2756	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 42 IoCs

description	pid	Process
Token: SeDebugPrivilege	1788	XClient.exe
Token: SeIncreaseQuotaPrivilege	2652	WMIC.exe
Token: SeSecurityPrivilege	2652	WMIC.exe
Token: SeTakeOwnershipPrivilege	2652	WMIC.exe
Token: SeLoadDriverPrivilege	2652	WMIC.exe
Token: SeSystemProfilePrivilege	2652	WMIC.exe
Token: SeSystemtimePrivilege	2652	WMIC.exe
Token: SeProfSingleProcessPrivilege	2652	WMIC.exe
Token: SeIncBasePriorityPrivilege	2652	WMIC.exe
Token: SeCreatePagefilePrivilege	2652	WMIC.exe
Token: SeBackupPrivilege	2652	WMIC.exe
Token: SeRestorePrivilege	2652	WMIC.exe
Token: SeShutdownPrivilege	2652	WMIC.exe
Token: SeDebugPrivilege	2652	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2652	WMIC.exe
Token: SeRemoteShutdownPrivilege	2652	WMIC.exe
Token: SeUndockPrivilege	2652	WMIC.exe
Token: SeManageVolumePrivilege	2652	WMIC.exe
Token: 33	2652	WMIC.exe
Token: 34	2652	WMIC.exe
Token: 35	2652	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2652	WMIC.exe
Token: SeSecurityPrivilege	2652	WMIC.exe
Token: SeTakeOwnershipPrivilege	2652	WMIC.exe
Token: SeLoadDriverPrivilege	2652	WMIC.exe
Token: SeSystemProfilePrivilege	2652	WMIC.exe
Token: SeSystemtimePrivilege	2652	WMIC.exe
Token: SeProfSingleProcessPrivilege	2652	WMIC.exe
Token: SeIncBasePriorityPrivilege	2652	WMIC.exe
Token: SeCreatePagefilePrivilege	2652	WMIC.exe
Token: SeBackupPrivilege	2652	WMIC.exe
Token: SeRestorePrivilege	2652	WMIC.exe
Token: SeShutdownPrivilege	2652	WMIC.exe
Token: SeDebugPrivilege	2652	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2652	WMIC.exe
Token: SeRemoteShutdownPrivilege	2652	WMIC.exe
Token: SeUndockPrivilege	2652	WMIC.exe
Token: SeManageVolumePrivilege	2652	WMIC.exe
Token: 33	2652	WMIC.exe
Token: 34	2652	WMIC.exe
Token: 35	2652	WMIC.exe
Token: SeDebugPrivilege	2532	Bootstrapper.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2532	2536	Output.exe	30
PID 2536 wrote to memory of 2532	2536	Output.exe	30
PID 2536 wrote to memory of 2532	2536	Output.exe	30
PID 2536 wrote to memory of 1788	2536	Output.exe	32
PID 2536 wrote to memory of 1788	2536	Output.exe	32
PID 2536 wrote to memory of 1788	2536	Output.exe	32
PID 2532 wrote to memory of 2456	2532	Bootstrapper.exe	33
PID 2532 wrote to memory of 2456	2532	Bootstrapper.exe	33
PID 2532 wrote to memory of 2456	2532	Bootstrapper.exe	33
PID 2456 wrote to memory of 2756	2456	cmd.exe	35
PID 2456 wrote to memory of 2756	2456	cmd.exe	35
PID 2456 wrote to memory of 2756	2456	cmd.exe	35
PID 2532 wrote to memory of 316	2532	Bootstrapper.exe	37
PID 2532 wrote to memory of 316	2532	Bootstrapper.exe	37
PID 2532 wrote to memory of 316	2532	Bootstrapper.exe	37
PID 316 wrote to memory of 2652	316	cmd.exe	39
PID 316 wrote to memory of 2652	316	cmd.exe	39
PID 316 wrote to memory of 2652	316	cmd.exe	39

C:\Users\Admin\AppData\Local\Temp\Output.exe
"C:\Users\Admin\AppData\Local\Temp\Output.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Users\Admin\AppData\Roaming\Bootstrapper.exe
  "C:\Users\Admin\AppData\Roaming\Bootstrapper.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2532
- - C:\Windows\system32\cmd.exe
    "cmd" /c ipconfig /all
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2456
  - - C:\Windows\system32\ipconfig.exe
      ipconfig /all
      4⤵
      Gathers network information
      PID:2756
- - C:\Windows\system32\cmd.exe
    "cmd" /c wmic nicconfig where (IPEnabled=TRUE) call SetDNSServerSearchOrder ("1.1.1.1", "1.0.0.1")
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:316
  - - C:\Windows\System32\Wbem\WMIC.exe
      wmic nicconfig where (IPEnabled=TRUE) call SetDNSServerSearchOrder ("1.1.1.1", "1.0.0.1")
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:2652
- C:\Users\Admin\AppData\Roaming\XClient.exe
  "C:\Users\Admin\AppData\Roaming\XClient.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\XClient.exe

Filesize
73KB

MD5
6d4182ea1fbd49787b224fbcea6f82c5

SHA1
3a171db86c09f48993dc55bb6fff7a95c07c3054

SHA256
1c56708ee56861f0237812f8a96809eda1ef90d02ccb9df21a6ab1ca0d0933ed

SHA512
089b87bed28d3e77bd79925d7073d8d02157cbe8071c3c4e68efe9912fa9423a6e8c25038dd85c256c80f9b5d580674d6bda89652edfef89e8a2233acddd0000

Download Submit
\Users\Admin\AppData\Roaming\Bootstrapper.exe

Filesize
800KB

MD5
2a4dcf20b82896be94eb538260c5fb93

SHA1
21f232c2fd8132f8677e53258562ad98b455e679

SHA256
ebbcb489171abfcfce56554dbaeacd22a15838391cbc7c756db02995129def5a

SHA512
4f1164b2312fb94b7030d6eb6aa9f3502912ffa33505f156443570fc964bfd3bb21ded3cf84092054e07346d2dce83a0907ba33f4ba39ad3fe7a78e836efe288

Download Submit
memory/1788-12-0x00000000001E0000-0x00000000001F8000-memory.dmp

Filesize
96KB

Download
memory/1788-15-0x000007FEF56B0000-0x000007FEF609C000-memory.dmp

Filesize
9.9MB

Download
memory/1788-17-0x000007FEF56B0000-0x000007FEF609C000-memory.dmp

Filesize
9.9MB

Download
memory/2532-14-0x0000000000B60000-0x0000000000C2E000-memory.dmp

Filesize
824KB

Download
memory/2536-0-0x000007FEF56B3000-0x000007FEF56B4000-memory.dmp

Filesize
4KB

Download
memory/2536-1-0x0000000001020000-0x0000000001104000-memory.dmp

Filesize
912KB

Download