xworm | 4bb7d508bf673c704a2e32e0a377cb22dca7bcce49926c70e1a31b0c49a3799c

General

Target

SolaraCheats.exe
Size

43KB
MD5

d3ff8047aca44c123aee05f1b70461de
SHA1

32103819ba9a8147321492701539b024c475f3e9
SHA256

4bb7d508bf673c704a2e32e0a377cb22dca7bcce49926c70e1a31b0c49a3799c
SHA512

a951d7e84ab2ad049de3c28faae48fb2797fdd71b038b4520db3139972ad5af489e62de648ce93d16e4bc8dfd228b281f4fe672ccf4bcd6d301ab10299d3a925
SSDEEP

768:Ypv/mHz9gP9C6Mt7ZDIeEb/chpbTW/gjSoqqa2K1zs1Qk2GmgNjPYfh6hb:av+cC6YbEYLnJSod41uBYy

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

C2

without-excited.gl.at.ply.gg:14454

Attributes

install_file
USB.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/files/0x000500000001e6cf-7.dat	family_xworm
behavioral2/memory/1360-16-0x0000000000BB0000-0x0000000000BC4000-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 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
3528	powershell.exe
856	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-1-5-21-2593460650-190333679-3676257533-1000\Control Panel\International\Geo\Nation	SolaraCheats.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\Control Panel\International\Geo\Nation	XClient.exe

Executes dropped EXE 1 IoCs

pid	Process
1360	XClient.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
3528	powershell.exe
3528	powershell.exe
856	powershell.exe
856	powershell.exe
1360	XClient.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1360	XClient.exe
Token: SeDebugPrivilege	3528	powershell.exe
Token: SeDebugPrivilege	856	powershell.exe
Token: SeDebugPrivilege	1360	XClient.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1360	XClient.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 1360	2000	SolaraCheats.exe	91
PID 2000 wrote to memory of 1360	2000	SolaraCheats.exe	91
PID 1360 wrote to memory of 3528	1360	XClient.exe	97
PID 1360 wrote to memory of 3528	1360	XClient.exe	97
PID 1360 wrote to memory of 856	1360	XClient.exe	99
PID 1360 wrote to memory of 856	1360	XClient.exe	99

C:\Users\Admin\AppData\Local\Temp\SolaraCheats.exe
"C:\Users\Admin\AppData\Local\Temp\SolaraCheats.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Users\Admin\AppData\Local\Temp\XClient.exe
  "C:\Users\Admin\AppData\Local\Temp\XClient.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1360
- - 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\XClient.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3528
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:856

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

Replay Monitor

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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
bd5940f08d0be56e65e5f2aaf47c538e

SHA1
d7e31b87866e5e383ab5499da64aba50f03e8443

SHA256
2d2f364c75bd2897504249f42cdf1d19374f5230aad68fa9154ea3d03e3031a6

SHA512
c34d10c7e07da44a180fae9889b61f08903aa84e8ddfa80c31c272b1ef9d491b8cec6b8a4c836c3cb1583fe8f4955c6a8db872515de3a9e10eae09610c959406

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

Filesize
56KB

MD5
1b1108346597faf7fc22b24c8f95c1ec

SHA1
d67990fa879ac4d5f392df7b653672eae0d5b6bc

SHA256
65f9150da83f99c14cd2ba4d8a9fb6d7360166a5770cff7fe6d41204c2910aa8

SHA512
f5bc3ff2301b9555136e51b67cdb8c9524b94d256c7fb9f21bfccc42c2432434c658b15aa2b77aa3f3f6306ea6ab47dc227d35540efb13a17ca5d557a721b308

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wzq5sowb.j3r.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1360-16-0x0000000000BB0000-0x0000000000BC4000-memory.dmp

Filesize
80KB

Download
memory/1360-17-0x00007FFAC0C50000-0x00007FFAC1711000-memory.dmp

Filesize
10.8MB

Download
memory/1360-44-0x00007FFAC0C50000-0x00007FFAC1711000-memory.dmp

Filesize
10.8MB

Download
memory/1360-45-0x00007FFAC0C50000-0x00007FFAC1711000-memory.dmp

Filesize
10.8MB

Download
memory/1360-46-0x00007FFAC0C50000-0x00007FFAC1711000-memory.dmp

Filesize
10.8MB

Download
memory/2000-0-0x00007FFAC0C53000-0x00007FFAC0C55000-memory.dmp

Filesize
8KB

Download
memory/2000-19-0x00007FFAC0C50000-0x00007FFAC1711000-memory.dmp

Filesize
10.8MB

Download
memory/2000-3-0x00007FFAC0C50000-0x00007FFAC1711000-memory.dmp

Filesize
10.8MB

Download
memory/2000-1-0x0000000000360000-0x0000000000372000-memory.dmp

Filesize
72KB

Download
memory/3528-29-0x00000273289F0000-0x0000027328A12000-memory.dmp

Filesize
136KB

Download

Analysis

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