xworm | 0405ea85262008c736e2113f4fbfa1b9eadc1e59fea50737ed5edb4326f686a9

General

Target

проверка.rar
Size

67KB
MD5

e89a677ddfa8a60aeb45e72531e46847
SHA1

ae5f8093367716bf77003276f9886e6869fa9b19
SHA256

0405ea85262008c736e2113f4fbfa1b9eadc1e59fea50737ed5edb4326f686a9
SHA512

86d138e41045c77251d88e9a93649ce5591c3c743a026e8d68923b89c0a7e1b9adb04ffeb64869025c5599544dc03d815b9594392a2869e87753d80a7225796c
SSDEEP

1536:gSQMWjVGooE2vo7Ugl77wYAMHWwHVBhxmnZPVA5H:dQGob2vKl5HHvJy2H

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

19.ip.gl.ply.gg:65468

speed-wheat.gl.at.ply.gg:65468

XWorm V5.2:123

Attributes

Install_directory
%AppData%
install_file
Delta.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023259-2.dat	family_xworm
behavioral2/memory/2140-4-0x0000000000B10000-0x0000000000B30000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat 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
2284	powershell.exe
2932	powershell.exe
3500	powershell.exe
4940	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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	cmd.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	проверка.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 3 IoCs

pid	Process
2140	проверка.exe
4180	Delta.exe
2572	Delta.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Delta = "C:\\Users\\Admin\\AppData\\Roaming\\Delta.exe"	проверка.exe

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
3984	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4440	timeout.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings	cmd.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2284	powershell.exe
2284	powershell.exe
2284	powershell.exe
2932	powershell.exe
2932	powershell.exe
2932	powershell.exe
3500	powershell.exe
3500	powershell.exe
3500	powershell.exe
4940	powershell.exe
4940	powershell.exe
4940	powershell.exe
2140	проверка.exe
2140	проверка.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4688	7zFM.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

description	pid	Process
Token: SeRestorePrivilege	4688	7zFM.exe
Token: 35	4688	7zFM.exe
Token: SeSecurityPrivilege	4688	7zFM.exe
Token: SeDebugPrivilege	2140	проверка.exe
Token: SeDebugPrivilege	2284	powershell.exe
Token: SeDebugPrivilege	2932	powershell.exe
Token: SeDebugPrivilege	3500	powershell.exe
Token: SeDebugPrivilege	4940	powershell.exe
Token: SeDebugPrivilege	2140	проверка.exe
Token: SeDebugPrivilege	4180	Delta.exe
Token: SeDebugPrivilege	2572	Delta.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4688	7zFM.exe
4688	7zFM.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2140	проверка.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4780 wrote to memory of 4688	4780	cmd.exe	91
PID 4780 wrote to memory of 4688	4780	cmd.exe	91
PID 2140 wrote to memory of 2284	2140	проверка.exe	102
PID 2140 wrote to memory of 2284	2140	проверка.exe	102
PID 2140 wrote to memory of 2932	2140	проверка.exe	105
PID 2140 wrote to memory of 2932	2140	проверка.exe	105
PID 2140 wrote to memory of 3500	2140	проверка.exe	107
PID 2140 wrote to memory of 3500	2140	проверка.exe	107
PID 2140 wrote to memory of 4940	2140	проверка.exe	109
PID 2140 wrote to memory of 4940	2140	проверка.exe	109
PID 2140 wrote to memory of 3984	2140	проверка.exe	111
PID 2140 wrote to memory of 3984	2140	проверка.exe	111
PID 2140 wrote to memory of 5108	2140	проверка.exe	116
PID 2140 wrote to memory of 5108	2140	проверка.exe	116
PID 2140 wrote to memory of 4532	2140	проверка.exe	118
PID 2140 wrote to memory of 4532	2140	проверка.exe	118
PID 4532 wrote to memory of 4440	4532	cmd.exe	120
PID 4532 wrote to memory of 4440	4532	cmd.exe	120

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\проверка.rar
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4780
- C:\Program Files\7-Zip\7zFM.exe
  "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\проверка.rar"
  2⤵
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:4688

C:\Users\Admin\Desktop\проверка.exe
"C:\Users\Admin\Desktop\проверка.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2140
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\Desktop\проверка.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2284
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'проверка.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2932
- 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\Delta.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3500
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Delta.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4940
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Delta" /tr "C:\Users\Admin\AppData\Roaming\Delta.exe"
  2⤵
  - Creates scheduled task(s)
  PID:3984
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /delete /f /tn "Delta"
  2⤵
  PID:5108
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpF802.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4532
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:4440

C:\Users\Admin\AppData\Roaming\Delta.exe
C:\Users\Admin\AppData\Roaming\Delta.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4180

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1412 --field-trial-handle=2276,i,5697607538120380977,9987005253899555344,262144 --variations-seed-version /prefetch:8
1⤵
PID:1552

C:\Users\Admin\AppData\Roaming\Delta.exe
C:\Users\Admin\AppData\Roaming\Delta.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2572

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3732 --field-trial-handle=2276,i,5697607538120380977,9987005253899555344,262144 --variations-seed-version /prefetch:8
1⤵
PID:1632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

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\Delta.exe.log

Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

Download Submit
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
cc19bcff372d20459d3651ba8aef50e7

SHA1
3c6f1d4cdd647864fb97a16b1aefba67fcee11f7

SHA256
366473e774d8976c7fd4dc582220666fb61a4feb3f7c95e69b2a68ad9e446ec9

SHA512
a0e360ca4b6e874fd44612bf4b17f3722c0619da4f6bade12a62efadae88c2d33460114eaafa2bc3fb1cef5bea07e745b8bee24f15d0cacaff5f4a521b225080

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

Filesize
944B

MD5
e5663972c1caaba7088048911c758bf3

SHA1
3462dea0f9c2c16a9c3afdaef8bbb1f753c1c198

SHA256
9f7f29a4696876cadca3f14d7e43f9ede0c97fd64be3f5d94bda49a91b6a419e

SHA512
ff4e72c46cf083de62baa2ce2661555dd91b5f144294015f7b262fd4500cb67fe80e1871a82da63b607e3e9cef401f4b73c587bf1134637881ecad51aad1eddc

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_v4jma5p4.a2j.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF802.tmp.bat

Filesize
157B

MD5
9082b41c02788b696526a41369c5cdd3

SHA1
92a01a93db381e0fd6f7f59b0c0e105cde07635a

SHA256
4bdaedde307be3b1de66cf84ae93b2fce1a7b04ab44557d6a830b82e6cb74591

SHA512
b534a751d6585c121d8971c8bb05e4173a838b76baab2fa0e2e1bbf26ef112ddc828d058a73556640c1d40fb68a692b3fce58a06662e568516c98ecad52eb465

Download Submit
C:\Users\Admin\Desktop\проверка.exe

Filesize
98KB

MD5
69c00aa1f2cecc09093eec932c788209

SHA1
2bcdc2f36469087ec60acc0b6d3e47fde03d0f6c

SHA256
c3873500c3bff4e73beacd24ce3005f0f5d5486d51b73cc7e0dc8b3bcbf902e2

SHA512
8bc1e413998b4c6ff77798561097fbec6c5c52aec560a62c73025739157cf3dc4a06d3d645cc582eb88533166a2373f92dc3332084036966491b9934cc3ab214

Download Submit
memory/2140-4-0x0000000000B10000-0x0000000000B30000-memory.dmp

Filesize
128KB

Download
memory/2284-17-0x000002319A920000-0x000002319AA6E000-memory.dmp

Filesize
1.3MB

Download
memory/2284-10-0x00000231FE110000-0x00000231FE132000-memory.dmp

Filesize
136KB

Download
memory/3500-41-0x00000234F14D0000-0x00000234F161E000-memory.dmp

Filesize
1.3MB

Download
memory/4940-53-0x000001D39BD30000-0x000001D39BE7E000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads