xworm | 3d25fe2989b3b9505c5b45751d1da232fe3715bff54c6900d82b99e7ad76e6c5

General

Target

3d25fe2989b3b9505c5b45751d1da232fe3715bff54c6900d82b99e7ad76e6c5N.exe
Size

114KB
MD5

e20b663922380d2a79b01883ba62e890
SHA1

dd1a149b68a295548c0de33122efe0b04a202fd6
SHA256

3d25fe2989b3b9505c5b45751d1da232fe3715bff54c6900d82b99e7ad76e6c5
SHA512

187a06c21aa6f532ef6e1a46141d95a1aded62b3b9908789c85b57038e07357e64a92642f7ff25e7ea27bb00ab75f1756f8b68d1eb094cdbbe8f6f8b721bcac5
SSDEEP

1536:JjYYfOtuaA3+pfbrp+ZY9QQK676lJOqVChiH0hLP+VVVVVVVVVVVVVVVVVVVVVVf:B0uaA3+pfbrpfOZfOqVbH0hLN0

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:10967

22.ip.gl.ply.gg:10967

Attributes

Install_directory
%Userprofile%
install_file
dllhso.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/memory/3744-1-0x0000000000730000-0x0000000000752000-memory.dmp	family_xworm
behavioral2/files/0x0010000000023b65-56.dat	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 4 IoCs

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

execution

PowerShell

T1059.001

pid	Process
4152	powershell.exe
644	powershell.exe
2636	powershell.exe
3012	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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	3d25fe2989b3b9505c5b45751d1da232fe3715bff54c6900d82b99e7ad76e6c5N.exe

Executes dropped EXE 2 IoCs

pid	Process
2452	dllhso.exe
4576	dllhso.exe

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

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
4364	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2636	powershell.exe
2636	powershell.exe
3012	powershell.exe
3012	powershell.exe
4152	powershell.exe
4152	powershell.exe
644	powershell.exe
644	powershell.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	3744	3d25fe2989b3b9505c5b45751d1da232fe3715bff54c6900d82b99e7ad76e6c5N.exe
Token: SeDebugPrivilege	2636	powershell.exe
Token: SeDebugPrivilege	3012	powershell.exe
Token: SeDebugPrivilege	4152	powershell.exe
Token: SeDebugPrivilege	644	powershell.exe
Token: SeDebugPrivilege	3744	3d25fe2989b3b9505c5b45751d1da232fe3715bff54c6900d82b99e7ad76e6c5N.exe
Token: SeDebugPrivilege	2452	dllhso.exe
Token: SeDebugPrivilege	4576	dllhso.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3744 wrote to memory of 2636	3744	3d25fe2989b3b9505c5b45751d1da232fe3715bff54c6900d82b99e7ad76e6c5N.exe	91
PID 3744 wrote to memory of 2636	3744	3d25fe2989b3b9505c5b45751d1da232fe3715bff54c6900d82b99e7ad76e6c5N.exe	91
PID 3744 wrote to memory of 3012	3744	3d25fe2989b3b9505c5b45751d1da232fe3715bff54c6900d82b99e7ad76e6c5N.exe	95
PID 3744 wrote to memory of 3012	3744	3d25fe2989b3b9505c5b45751d1da232fe3715bff54c6900d82b99e7ad76e6c5N.exe	95
PID 3744 wrote to memory of 4152	3744	3d25fe2989b3b9505c5b45751d1da232fe3715bff54c6900d82b99e7ad76e6c5N.exe	99
PID 3744 wrote to memory of 4152	3744	3d25fe2989b3b9505c5b45751d1da232fe3715bff54c6900d82b99e7ad76e6c5N.exe	99
PID 3744 wrote to memory of 644	3744	3d25fe2989b3b9505c5b45751d1da232fe3715bff54c6900d82b99e7ad76e6c5N.exe	101
PID 3744 wrote to memory of 644	3744	3d25fe2989b3b9505c5b45751d1da232fe3715bff54c6900d82b99e7ad76e6c5N.exe	101
PID 3744 wrote to memory of 4364	3744	3d25fe2989b3b9505c5b45751d1da232fe3715bff54c6900d82b99e7ad76e6c5N.exe	103
PID 3744 wrote to memory of 4364	3744	3d25fe2989b3b9505c5b45751d1da232fe3715bff54c6900d82b99e7ad76e6c5N.exe	103

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:\Users\Admin\AppData\Local\Temp\3d25fe2989b3b9505c5b45751d1da232fe3715bff54c6900d82b99e7ad76e6c5N.exe
"C:\Users\Admin\AppData\Local\Temp\3d25fe2989b3b9505c5b45751d1da232fe3715bff54c6900d82b99e7ad76e6c5N.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3744
- 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\3d25fe2989b3b9505c5b45751d1da232fe3715bff54c6900d82b99e7ad76e6c5N.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2636
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '3d25fe2989b3b9505c5b45751d1da232fe3715bff54c6900d82b99e7ad76e6c5N.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3012
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\dllhso.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4152
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'dllhso.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:644
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "dllhso" /tr "C:\Users\Admin\dllhso.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4364

C:\Users\Admin\dllhso.exe
C:\Users\Admin\dllhso.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2452

C:\Users\Admin\dllhso.exe
C:\Users\Admin\dllhso.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4576

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

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\dllhso.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
6d3e9c29fe44e90aae6ed30ccf799ca8

SHA1
c7974ef72264bbdf13a2793ccf1aed11bc565dce

SHA256
2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

SHA512
60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

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

Filesize
944B

MD5
0026cdd9bbc34b9de2447c0eb04c14b5

SHA1
ab7713fe5fbbb23031937dd1dc7d0fa238884ad4

SHA256
cf5a1c42641a83dd41fe89923591962b7ad189006342c7a67669239688f84a2d

SHA512
62aab723672e2731946f4bbf6a3d92609ff94384e324f3c50e803095529baf848ce2cd37219a059ced4c3f559e598bd9b900b9dd8aa0657adca6d845127797fe

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

Filesize
944B

MD5
7daa0b6c9f8fb37635f8121b0c06690a

SHA1
5684d950c7e582b02ba88e579f0d350100d16889

SHA256
a37ab7ac828226c2de1d05cdf35a6d7934ff3e5ecd617d46df1cdc784783d86b

SHA512
55578b4054f8e12df4721df0f8f35ca1f879dd2e2e32ac8aaa8bebf68f5521dfb35547a0f15e670cecd8019f18b32c0e6d78f44556431807e4225b04c0e99c35

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4lao3tar.dgd.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\dllhso.exe

Filesize
114KB

MD5
e20b663922380d2a79b01883ba62e890

SHA1
dd1a149b68a295548c0de33122efe0b04a202fd6

SHA256
3d25fe2989b3b9505c5b45751d1da232fe3715bff54c6900d82b99e7ad76e6c5

SHA512
187a06c21aa6f532ef6e1a46141d95a1aded62b3b9908789c85b57038e07357e64a92642f7ff25e7ea27bb00ab75f1756f8b68d1eb094cdbbe8f6f8b721bcac5

Download Submit
memory/2636-12-0x00007FFE39140000-0x00007FFE39C01000-memory.dmp

Filesize
10.8MB

Download
memory/2636-18-0x00007FFE39140000-0x00007FFE39C01000-memory.dmp

Filesize
10.8MB

Download
memory/2636-15-0x00007FFE39140000-0x00007FFE39C01000-memory.dmp

Filesize
10.8MB

Download
memory/2636-14-0x00007FFE39140000-0x00007FFE39C01000-memory.dmp

Filesize
10.8MB

Download
memory/2636-13-0x00007FFE39140000-0x00007FFE39C01000-memory.dmp

Filesize
10.8MB

Download
memory/2636-7-0x0000014630660000-0x0000014630682000-memory.dmp

Filesize
136KB

Download
memory/3744-0-0x00007FFE39143000-0x00007FFE39145000-memory.dmp

Filesize
8KB

Download
memory/3744-54-0x00007FFE39140000-0x00007FFE39C01000-memory.dmp

Filesize
10.8MB

Download
memory/3744-55-0x00007FFE39140000-0x00007FFE39C01000-memory.dmp

Filesize
10.8MB

Download
memory/3744-1-0x0000000000730000-0x0000000000752000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads