xworm | d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3

General

Target

d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe
Size

64KB
MD5

2f994e4870a23f49fb779d1bda780941
SHA1

99b8dfffb69ec2b7193320a7f8a08b7da64be7bf
SHA256

d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3
SHA512

9138e89454f9f56a0540a33bccc8e62710a447033e6ea53732d625b2b7635a973c7308f86dda5ff60c1a80c00dc36428ca0b9d9fb590f837648a9dd9b5ea7e86
SSDEEP

1536:+EVRBKXfmrbLO+BBUsbJU5fRqw6LCLOO4wH/:RVRwunLbHbJUNYoOOrH/

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

disclaimer-hose.gl.at.ply.gg:11906

Attributes

Install_directory
%Userprofile%
install_file
Microsoft Edge.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/memory/4044-1-0x0000000000930000-0x0000000000946000-memory.dmp	family_xworm
behavioral2/files/0x000e000000023b8c-62.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
3288	powershell.exe
5104	powershell.exe
4904	powershell.exe
3768	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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Edge.lnk	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Edge.lnk	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe

Executes dropped EXE 1 IoCs

pid	Process
876	Microsoft Edge.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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft Edge = "C:\\Users\\Admin\\Microsoft Edge.exe"	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.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
13	ip-api.com

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
3956	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
3288	powershell.exe
3288	powershell.exe
5104	powershell.exe
5104	powershell.exe
4904	powershell.exe
4904	powershell.exe
3768	powershell.exe
3768	powershell.exe
4044	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	4044	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe
Token: SeDebugPrivilege	3288	powershell.exe
Token: SeDebugPrivilege	5104	powershell.exe
Token: SeDebugPrivilege	4904	powershell.exe
Token: SeDebugPrivilege	3768	powershell.exe
Token: SeDebugPrivilege	4044	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe
Token: SeDebugPrivilege	876	Microsoft Edge.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4044	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4044 wrote to memory of 3288	4044	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	86
PID 4044 wrote to memory of 3288	4044	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	86
PID 4044 wrote to memory of 5104	4044	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	91
PID 4044 wrote to memory of 5104	4044	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	91
PID 4044 wrote to memory of 4904	4044	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	94
PID 4044 wrote to memory of 4904	4044	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	94
PID 4044 wrote to memory of 3768	4044	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	96
PID 4044 wrote to memory of 3768	4044	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	96
PID 4044 wrote to memory of 3956	4044	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	98
PID 4044 wrote to memory of 3956	4044	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	98

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\d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe
"C:\Users\Admin\AppData\Local\Temp\d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4044
- 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\d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3288
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'd0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5104
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\Microsoft Edge.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4904
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Microsoft Edge.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3768
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "Microsoft Edge" /tr "C:\Users\Admin\Microsoft Edge.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3956

C:\Users\Admin\Microsoft Edge.exe
"C:\Users\Admin\Microsoft Edge.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:876

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

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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\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
77d622bb1a5b250869a3238b9bc1402b

SHA1
d47f4003c2554b9dfc4c16f22460b331886b191b

SHA256
f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

SHA512
d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

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

Filesize
944B

MD5
67e8893616f805af2411e2f4a1411b2a

SHA1
39bf1e1a0ddf46ce7c136972120f512d92827dcd

SHA256
ca0dfe104c1bf27f7e01999fcdabc16c6400c3da937c832c26bdbca322381d31

SHA512
164e911a9935e75c8be1a6ec3d31199a16ba2a1064da6c09d771b2a38dd7fddd142301ef55d67d90f306d3a454a1ce7b72e129ea42e44500b9b8c623a8d98b4d

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

Filesize
944B

MD5
36c0eb4cc9fdffc5d2d368d7231ad514

SHA1
ce52fda315ce5c60a0af506f87edb0c2b3fdebcc

SHA256
f6efe796606c4be6422dfd070d8c8e1bcda5852520633e3ef071541ff29f359b

SHA512
4ad7de3b286152386c4cfecb07d004d9ee3976c4e397d6a13b1ddee6524c4cb78b1c4bc9c2f984f321082f6ed6da2a2cd93f9954fd378b46f24fbf19bd15fb54

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vrcd4uxd.l4j.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\Microsoft Edge.exe

Filesize
64KB

MD5
2f994e4870a23f49fb779d1bda780941

SHA1
99b8dfffb69ec2b7193320a7f8a08b7da64be7bf

SHA256
d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3

SHA512
9138e89454f9f56a0540a33bccc8e62710a447033e6ea53732d625b2b7635a973c7308f86dda5ff60c1a80c00dc36428ca0b9d9fb590f837648a9dd9b5ea7e86

Download Submit
memory/3288-9-0x0000023D7C3A0000-0x0000023D7C3C2000-memory.dmp

Filesize
136KB

Download
memory/3288-14-0x00007FFCC2290000-0x00007FFCC2D51000-memory.dmp

Filesize
10.8MB

Download
memory/3288-15-0x00007FFCC2290000-0x00007FFCC2D51000-memory.dmp

Filesize
10.8MB

Download
memory/3288-18-0x00007FFCC2290000-0x00007FFCC2D51000-memory.dmp

Filesize
10.8MB

Download
memory/3288-3-0x00007FFCC2290000-0x00007FFCC2D51000-memory.dmp

Filesize
10.8MB

Download
memory/4044-1-0x0000000000930000-0x0000000000946000-memory.dmp

Filesize
88KB

Download
memory/4044-2-0x00007FFCC2290000-0x00007FFCC2D51000-memory.dmp

Filesize
10.8MB

Download
memory/4044-54-0x00007FFCC2293000-0x00007FFCC2295000-memory.dmp

Filesize
8KB

Download
memory/4044-60-0x00007FFCC2290000-0x00007FFCC2D51000-memory.dmp

Filesize
10.8MB

Download
memory/4044-0-0x00007FFCC2293000-0x00007FFCC2295000-memory.dmp

Filesize
8KB

Download
memory/4904-43-0x000001A5F8C70000-0x000001A5F8E8C000-memory.dmp

Filesize
2.1MB

Download
memory/5104-31-0x00000294ECA00000-0x00000294ECC1C000-memory.dmp

Filesize
2.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads