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

Processes:

resource	yara_rule
behavioral2/memory/3060-1-0x0000000000F70000-0x0000000000F86000-memory.dmp	family_xworm
behavioral2/files/0x000b000000023cad-58.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

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

pid	Process
2080	powershell.exe
1840	powershell.exe
3160	powershell.exe
4996	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

Processes:

d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe

Drops startup file 2 IoCs

Processes:

d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe

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 3 IoCs

Processes:

Microsoft Edge.exeMicrosoft Edge.exeMicrosoft Edge.exe

pid	Process
2064	Microsoft Edge.exe
4416	Microsoft Edge.exe
2844	Microsoft Edge.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\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.

Processes:

flow	ioc
14	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

Processes:

schtasks.exe

pid	Process
5032	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exed0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe

pid	Process
2080	powershell.exe
2080	powershell.exe
1840	powershell.exe
1840	powershell.exe
3160	powershell.exe
3160	powershell.exe
4996	powershell.exe
4996	powershell.exe
3060	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

Processes:

d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exepowershell.exepowershell.exepowershell.exepowershell.exeMicrosoft Edge.exeMicrosoft Edge.exeMicrosoft Edge.exe

description	pid	Process
Token: SeDebugPrivilege	3060	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe
Token: SeDebugPrivilege	2080	powershell.exe
Token: SeDebugPrivilege	1840	powershell.exe
Token: SeDebugPrivilege	3160	powershell.exe
Token: SeDebugPrivilege	4996	powershell.exe
Token: SeDebugPrivilege	3060	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe
Token: SeDebugPrivilege	2064	Microsoft Edge.exe
Token: SeDebugPrivilege	4416	Microsoft Edge.exe
Token: SeDebugPrivilege	2844	Microsoft Edge.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe

pid	Process
3060	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe

description	pid	Process	procid_target
PID 3060 wrote to memory of 2080	3060	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	87
PID 3060 wrote to memory of 2080	3060	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	87
PID 3060 wrote to memory of 1840	3060	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	89
PID 3060 wrote to memory of 1840	3060	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	89
PID 3060 wrote to memory of 3160	3060	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	91
PID 3060 wrote to memory of 3160	3060	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	91
PID 3060 wrote to memory of 4996	3060	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	93
PID 3060 wrote to memory of 4996	3060	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	93
PID 3060 wrote to memory of 5032	3060	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	97
PID 3060 wrote to memory of 5032	3060	d0877554e828d2ffd5c8592256b697690f578818064c0b028117fed0ba64fdf3.exe	97

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:3060
- 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:2080
- 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:1840
- 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:3160
- 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:4996
- 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:5032

C:\Users\Admin\Microsoft Edge.exe
"C:\Users\Admin\Microsoft Edge.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2064

C:\Users\Admin\Microsoft Edge.exe
"C:\Users\Admin\Microsoft Edge.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4416

C:\Users\Admin\Microsoft Edge.exe
"C:\Users\Admin\Microsoft Edge.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2844

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\Microsoft Edge.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
77d622bb1a5b250869a3238b9bc1402b

SHA1
d47f4003c2554b9dfc4c16f22460b331886b191b

SHA256
f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

SHA512
d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

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

Filesize
944B

MD5
eb033be02578f9635ec47bdc1de5c3fb

SHA1
ec356bc87381354a06baa9c30e8c3ac3d30e0f6f

SHA256
bd827af3192bf83c75a32e51ed2de83bd3b90d6b99350721a189a57cec15d063

SHA512
4d8778503646f7016df73ff9d204760f4fe4d2b24157920ac3e5651653373975b2f2d229530143059f11b16c42822ad7963e628ad6066022ee712c17d90595ed

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

Filesize
944B

MD5
eb1ad317bd25b55b2bbdce8a28a74a94

SHA1
98a3978be4d10d62e7411946474579ee5bdc5ea6

SHA256
9e94e7c9ac6134ee30e79498558aa1a5a1ac79a643666c3f8922eed215dd3a98

SHA512
d011f266c0240d84470c0f9577cd9e4927309bd19bb38570ca9704ed8e1d159f9bea982a59d3eefef72ce7a10bd81208b82e88ef57c7af587f7437a89769adc0

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wni4i3ci.qvw.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/2080-12-0x00000225CBFF0000-0x00000225CC012000-memory.dmp

Filesize
136KB

Download
memory/2080-15-0x00007FFE72330000-0x00007FFE72DF1000-memory.dmp

Filesize
10.8MB

Download
memory/2080-18-0x00007FFE72330000-0x00007FFE72DF1000-memory.dmp

Filesize
10.8MB

Download
memory/2080-14-0x00007FFE72330000-0x00007FFE72DF1000-memory.dmp

Filesize
10.8MB

Download
memory/2080-3-0x00007FFE72330000-0x00007FFE72DF1000-memory.dmp

Filesize
10.8MB

Download
memory/3060-0-0x00007FFE72333000-0x00007FFE72335000-memory.dmp

Filesize
8KB

Download
memory/3060-2-0x00007FFE72330000-0x00007FFE72DF1000-memory.dmp

Filesize
10.8MB

Download
memory/3060-57-0x00007FFE72330000-0x00007FFE72DF1000-memory.dmp

Filesize
10.8MB

Download
memory/3060-1-0x0000000000F70000-0x0000000000F86000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads