xworm | 402816af4605bdc61c029ab27963c54c4f70804218c45054879e933064e81187

Analysis

max time kernel
166s
max time network
168s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
17/04/2024, 01:21

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General

Target

6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe
Size

445KB
MD5

40e7f9319d64559c2bc3ab6595f419f3
SHA1

4f5da8030b4dcc5774d7e8bd967614e77510dfb1
SHA256

6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338
SHA512

bd35b27bf7b59d86d7d5eed1854d9b365decb4a56f60eb53364dc9c65a0cd3350b67b6b4580a64f231166267d987aa0654ed043f0ce97e94d1bd8015a03187c5
SSDEEP

12288:hkvq31eoWDu5ysKCxGSY1gMGYkR2mf62q4KkrkDFAdq:heqFCu5VKsm1gMGYHmiWkDFAY

Score

10^/10

xworm rat trojan

Malware Config

Extracted

Family

xworm

104.250.180.178:7061

Attributes

Install_directory
%AppData%
install_file
XClient.exe

Signatures

Detect Xworm Payload 6 IoCs

resource	yara_rule
behavioral1/memory/2544-11-0x0000000000400000-0x0000000000414000-memory.dmp	family_xworm
behavioral1/memory/2544-13-0x0000000000400000-0x0000000000414000-memory.dmp	family_xworm
behavioral1/memory/2544-17-0x0000000000400000-0x0000000000414000-memory.dmp	family_xworm
behavioral1/memory/2544-20-0x0000000000400000-0x0000000000414000-memory.dmp	family_xworm
behavioral1/memory/2544-22-0x0000000000400000-0x0000000000414000-memory.dmp	family_xworm
behavioral1/memory/2528-28-0x00000000026A0000-0x00000000026E0000-memory.dmp	family_xworm

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

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe

Loads dropped DLL 1 IoCs

pid	Process
2544	6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2916 set thread context of 2544	2916	6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe	27

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
2528	powershell.exe
2736	powershell.exe
1328	powershell.exe
768	powershell.exe
2544	6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2544	6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe
Token: SeDebugPrivilege	2528	powershell.exe
Token: SeDebugPrivilege	2736	powershell.exe
Token: SeDebugPrivilege	1328	powershell.exe
Token: SeDebugPrivilege	768	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2544	6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2916 wrote to memory of 2544	2916	6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe	27
PID 2916 wrote to memory of 2544	2916	6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe	27
PID 2916 wrote to memory of 2544	2916	6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe	27
PID 2916 wrote to memory of 2544	2916	6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe	27
PID 2916 wrote to memory of 2544	2916	6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe	27
PID 2916 wrote to memory of 2544	2916	6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe	27
PID 2916 wrote to memory of 2544	2916	6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe	27
PID 2916 wrote to memory of 2544	2916	6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe	27
PID 2916 wrote to memory of 2544	2916	6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe	27
PID 2544 wrote to memory of 2528	2544	6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe	28
PID 2544 wrote to memory of 2528	2544	6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe	28
PID 2544 wrote to memory of 2528	2544	6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe	28
PID 2544 wrote to memory of 2528	2544	6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe	28
PID 2544 wrote to memory of 2736	2544	6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe	32
PID 2544 wrote to memory of 2736	2544	6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe	32
PID 2544 wrote to memory of 2736	2544	6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe	32
PID 2544 wrote to memory of 2736	2544	6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe	32
PID 2544 wrote to memory of 1328	2544	6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe	34
PID 2544 wrote to memory of 1328	2544	6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe	34
PID 2544 wrote to memory of 1328	2544	6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe	34
PID 2544 wrote to memory of 1328	2544	6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe	34
PID 2544 wrote to memory of 768	2544	6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe	36
PID 2544 wrote to memory of 768	2544	6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe	36
PID 2544 wrote to memory of 768	2544	6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe	36
PID 2544 wrote to memory of 768	2544	6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe	36

C:\Users\Admin\AppData\Local\Temp\6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe
"C:\Users\Admin\AppData\Local\Temp\6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2916
- C:\Users\Admin\AppData\Local\Temp\6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe
  "C:\Users\Admin\AppData\Local\Temp\6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe"
  2⤵
  - Drops startup file
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2544
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe'
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2528
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338.exe'
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2736
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\XClient.exe'
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1328
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:768

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\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
5b7f257970f932a6c6636039e2d6fa85

SHA1
b9c0b36a7d197b8d17f475245295384ce0da569b

SHA256
dc559814173c3a37209c4ddf08b762803dcdd17190a6de4b71c2663cc6f7afab

SHA512
abe38609b3edf4c9b568703dd72d9dd2665dc656df138e90530ed0569b72fef31d633b5b0a81bb50e405b59316b6220c9bd7b472c1dd6d83a7362f64b4c8d0b8

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

Filesize
445KB

MD5
40e7f9319d64559c2bc3ab6595f419f3

SHA1
4f5da8030b4dcc5774d7e8bd967614e77510dfb1

SHA256
6dd41bfc65feff17a243f97340729b3472f519c1029127c5e9fee03bafcde338

SHA512
bd35b27bf7b59d86d7d5eed1854d9b365decb4a56f60eb53364dc9c65a0cd3350b67b6b4580a64f231166267d987aa0654ed043f0ce97e94d1bd8015a03187c5

Download Submit
memory/768-58-0x000000006FD80000-0x000000007032B000-memory.dmp

Filesize
5.7MB

Download
memory/768-57-0x000000006FD80000-0x000000007032B000-memory.dmp

Filesize
5.7MB

Download
memory/768-56-0x0000000002770000-0x00000000027B0000-memory.dmp

Filesize
256KB

Download
memory/768-55-0x000000006FD80000-0x000000007032B000-memory.dmp

Filesize
5.7MB

Download
memory/1328-49-0x0000000071300000-0x00000000718AB000-memory.dmp

Filesize
5.7MB

Download
memory/1328-48-0x0000000071300000-0x00000000718AB000-memory.dmp

Filesize
5.7MB

Download
memory/1328-47-0x0000000001BD0000-0x0000000001C10000-memory.dmp

Filesize
256KB

Download
memory/1328-46-0x0000000071300000-0x00000000718AB000-memory.dmp

Filesize
5.7MB

Download
memory/2528-29-0x00000000026A0000-0x00000000026E0000-memory.dmp

Filesize
256KB

Download
memory/2528-26-0x0000000071300000-0x00000000718AB000-memory.dmp

Filesize
5.7MB

Download
memory/2528-30-0x0000000071300000-0x00000000718AB000-memory.dmp

Filesize
5.7MB

Download
memory/2528-28-0x00000000026A0000-0x00000000026E0000-memory.dmp

Filesize
256KB

Download
memory/2528-27-0x0000000071300000-0x00000000718AB000-memory.dmp

Filesize
5.7MB

Download
memory/2544-22-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2544-23-0x0000000074B60000-0x000000007524E000-memory.dmp

Filesize
6.9MB

Download
memory/2544-11-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2544-20-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2544-66-0x00000000048A0000-0x00000000048E0000-memory.dmp

Filesize
256KB

Download
memory/2544-65-0x0000000074B60000-0x000000007524E000-memory.dmp

Filesize
6.9MB

Download
memory/2544-17-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2544-13-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2544-64-0x00000000048A0000-0x00000000048E0000-memory.dmp

Filesize
256KB

Download
memory/2544-7-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2544-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2544-9-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2736-38-0x000000006FD80000-0x000000007032B000-memory.dmp

Filesize
5.7MB

Download
memory/2736-40-0x000000006FD80000-0x000000007032B000-memory.dmp

Filesize
5.7MB

Download
memory/2736-39-0x0000000002780000-0x00000000027C0000-memory.dmp

Filesize
256KB

Download
memory/2736-36-0x000000006FD80000-0x000000007032B000-memory.dmp

Filesize
5.7MB

Download
memory/2736-37-0x0000000002780000-0x00000000027C0000-memory.dmp

Filesize
256KB

Download
memory/2916-6-0x0000000005820000-0x0000000005876000-memory.dmp

Filesize
344KB

Download
memory/2916-5-0x00000000009F0000-0x00000000009FC000-memory.dmp

Filesize
48KB

Download
memory/2916-4-0x00000000009A0000-0x00000000009A8000-memory.dmp

Filesize
32KB

Download
memory/2916-3-0x0000000000980000-0x0000000000998000-memory.dmp

Filesize
96KB

Download
memory/2916-2-0x0000000000C70000-0x0000000000CB0000-memory.dmp

Filesize
256KB

Download
memory/2916-1-0x0000000074BE0000-0x00000000752CE000-memory.dmp

Filesize
6.9MB

Download
memory/2916-0-0x0000000001390000-0x0000000001406000-memory.dmp

Filesize
472KB

Download
memory/2916-19-0x0000000074BE0000-0x00000000752CE000-memory.dmp

Filesize
6.9MB

Download