xworm | 9711bbfc8a0ce69d749fc22b8d4e484de5c96c5d667c0f62910b930afa491587

General

Target

test2.exe
Size

77KB
MD5

bf48a7928ec32e594ee49cfee2c91414
SHA1

73c8202dd8a175d68094a8113daafe1f8ed5b45e
SHA256

9711bbfc8a0ce69d749fc22b8d4e484de5c96c5d667c0f62910b930afa491587
SHA512

dc4aabc93fe82427acc3f231e1db1a2b2286cde288a33eb00ebbd4c816677d35ebfed015b8a9ae3731536f8e1d0a8b0611f404a7601bd901edf5efcb00ca00b4
SSDEEP

1536:jzxKxF1kLHgDhMfDcNIolG9TEN+b1L99dFlxzz6DlP6Om7OH6EwaDF:j1q6fwNo1EN+b999lFAnm7OarCF

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

0.tcp.ap.ngrok.io:4411

Attributes

Install_directory
%Public%
install_file
hh.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/memory/948-1-0x0000000000E60000-0x0000000000E7A000-memory.dmp	family_xworm
behavioral1/files/0x000a00000002a868-57.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
3808	powershell.exe
2312	powershell.exe
1012	powershell.exe
3060	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\hh.lnk	test2.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\hh.lnk	test2.exe

Executes dropped EXE 1 IoCs

pid	Process
4988	hh.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-1-5-21-4248760313-3670024077-2384670640-1000\Software\Microsoft\Windows\CurrentVersion\Run\hh = "C:\\Users\\Public\\hh.exe"	test2.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs

Web Service

T1102

flow	ioc
1	0.tcp.ap.ngrok.io

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
3148	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
3808	powershell.exe
3808	powershell.exe
2312	powershell.exe
2312	powershell.exe
1012	powershell.exe
1012	powershell.exe
3060	powershell.exe
3060	powershell.exe
948	test2.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	948	test2.exe
Token: SeDebugPrivilege	3808	powershell.exe
Token: SeDebugPrivilege	2312	powershell.exe
Token: SeDebugPrivilege	1012	powershell.exe
Token: SeDebugPrivilege	3060	powershell.exe
Token: SeDebugPrivilege	948	test2.exe
Token: SeDebugPrivilege	4988	hh.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
948	test2.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 948 wrote to memory of 3808	948	test2.exe	81
PID 948 wrote to memory of 3808	948	test2.exe	81
PID 948 wrote to memory of 2312	948	test2.exe	83
PID 948 wrote to memory of 2312	948	test2.exe	83
PID 948 wrote to memory of 1012	948	test2.exe	85
PID 948 wrote to memory of 1012	948	test2.exe	85
PID 948 wrote to memory of 3060	948	test2.exe	87
PID 948 wrote to memory of 3060	948	test2.exe	87
PID 948 wrote to memory of 3148	948	test2.exe	89
PID 948 wrote to memory of 3148	948	test2.exe	89

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\test2.exe
"C:\Users\Admin\AppData\Local\Temp\test2.exe"
1⤵
- 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:948
- 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\test2.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3808
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'test2.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2312
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Public\hh.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1012
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'hh.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3060
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "hh" /tr "C:\Users\Public\hh.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3148

C:\Users\Public\hh.exe
C:\Users\Public\hh.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4988

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

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
627073ee3ca9676911bee35548eff2b8

SHA1
4c4b68c65e2cab9864b51167d710aa29ebdcff2e

SHA256
85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

SHA512
3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

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

Filesize
944B

MD5
2e8eb51096d6f6781456fef7df731d97

SHA1
ec2aaf851a618fb43c3d040a13a71997c25bda43

SHA256
96bfd9dd5883329927fe8c08b8956355a1a6ceb30ceeb5d4252b346df32bc864

SHA512
0a73dc9a49f92d9dd556c2ca2e36761890b3538f355ee1f013e7cf648d8c4d065f28046cd4a167db3dea304d1fbcbcea68d11ce6e12a3f20f8b6c018a60422d2

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

Filesize
944B

MD5
190b28f40c0edd3cc08d0fd3aca4779a

SHA1
425b98532b6a18aa2baece47605f1cf6c8cfbd11

SHA256
8a2c650430d93841587c726ffff72fb64e02d2da24c9d8df17e835d1124d53ce

SHA512
8d1c7a20b324937face0e0c9249d635b3dfcfbad004928de731baf0d72df9ee64fb3f482451d20eb55fa0364311a9806e9d49ae4eafca38d6b58a988f8807110

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

Filesize
944B

MD5
cad6ee71e2f46608490520923ec5d2ff

SHA1
e975523ab16e08c69c671db25eb18a17ebeddeae

SHA256
a844aef1c1a30f44b01052bc36aa683e0f5a62b1b98bd4db09350630a223a753

SHA512
5fcd17d2ea19c1882d20471a2b9ae35eb0e46f3a34346447ce0f29ce193cc52d61fc77c5998e47c3a82c00cd6445a45a3083aa041c9b247397fce79ebeda9163

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_iikpmz52.z5e.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Public\hh.exe

Filesize
77KB

MD5
bf48a7928ec32e594ee49cfee2c91414

SHA1
73c8202dd8a175d68094a8113daafe1f8ed5b45e

SHA256
9711bbfc8a0ce69d749fc22b8d4e484de5c96c5d667c0f62910b930afa491587

SHA512
dc4aabc93fe82427acc3f231e1db1a2b2286cde288a33eb00ebbd4c816677d35ebfed015b8a9ae3731536f8e1d0a8b0611f404a7601bd901edf5efcb00ca00b4

Download Submit
memory/948-1-0x0000000000E60000-0x0000000000E7A000-memory.dmp

Filesize
104KB

Download
memory/948-0-0x00007FFF24493000-0x00007FFF24495000-memory.dmp

Filesize
8KB

Download
memory/948-56-0x00007FFF24490000-0x00007FFF24F52000-memory.dmp

Filesize
10.8MB

Download
memory/948-55-0x00007FFF24490000-0x00007FFF24F52000-memory.dmp

Filesize
10.8MB

Download
memory/948-50-0x00007FFF24493000-0x00007FFF24495000-memory.dmp

Filesize
8KB

Download
memory/3808-11-0x000001856A0A0000-0x000001856A0C2000-memory.dmp

Filesize
136KB

Download
memory/3808-18-0x00007FFF24490000-0x00007FFF24F52000-memory.dmp

Filesize
10.8MB

Download
memory/3808-15-0x00007FFF24490000-0x00007FFF24F52000-memory.dmp

Filesize
10.8MB

Download
memory/3808-14-0x00007FFF24490000-0x00007FFF24F52000-memory.dmp

Filesize
10.8MB

Download
memory/3808-12-0x00007FFF24490000-0x00007FFF24F52000-memory.dmp

Filesize
10.8MB

Download
memory/3808-13-0x00007FFF24490000-0x00007FFF24F52000-memory.dmp

Filesize
10.8MB

Download
memory/3808-10-0x00007FFF24490000-0x00007FFF24F52000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads