xworm | 6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74

General

Target

6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe
Size

49KB
MD5

0b3fc6003ed631b572c3347e10ac4aca
SHA1

51abe8c42abb8c2c52331bbdb99eb2fbcf18315c
SHA256

6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74
SHA512

3df3d20f0d96a122ffae5e54067864d8349dc0672cc24ad94dcab3ac67dec8c520b4f6f7875d75af14791180bd28f68ff4252111fe6c8a242286f9dd00bc751b
SSDEEP

1536:G4TlXi94kgMLEhNkoyIWwClDVC9D2XPs9Hy:F5Xz3MYuwV9QPsZy

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

Mutex

WDJjJwZM6N0epwZX

Attributes

Install_directory
%AppData%
install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/2908-43-0x000000001B460000-0x000000001B46E000-memory.dmp	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 3 IoCs

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

execution

PowerShell

T1059.001

pid	Process
1432	powershell.exe
2844	powershell.exe
5112	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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe

Executes dropped EXE 2 IoCs

pid	Process
2384	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe
5064	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.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
4	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 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
3472	schtasks.exe
876	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1432	powershell.exe
1432	powershell.exe
2844	powershell.exe
2844	powershell.exe
5112	powershell.exe
5112	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2908	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe
Token: SeDebugPrivilege	1432	powershell.exe
Token: SeDebugPrivilege	2844	powershell.exe
Token: SeDebugPrivilege	5112	powershell.exe
Token: SeDebugPrivilege	2384	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe
Token: SeDebugPrivilege	5064	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 1432	2908	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe	85
PID 2908 wrote to memory of 1432	2908	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe	85
PID 2908 wrote to memory of 2844	2908	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe	87
PID 2908 wrote to memory of 2844	2908	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe	87
PID 2908 wrote to memory of 5112	2908	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe	89
PID 2908 wrote to memory of 5112	2908	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe	89
PID 2908 wrote to memory of 3472	2908	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe	91
PID 2908 wrote to memory of 3472	2908	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe	91
PID 2908 wrote to memory of 876	2908	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe	96
PID 2908 wrote to memory of 876	2908	6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe	96

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\6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe
"C:\Users\Admin\AppData\Local\Temp\6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1432
- 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\6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2844
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5112
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /sc minute /mo 1 /rl highest /tn "6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74" /tr "C:\ProgramData\6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3472
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74" /tr "C:\Users\Admin\AppData\Roaming\6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:876

C:\Users\Admin\AppData\Roaming\6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe
C:\Users\Admin\AppData\Roaming\6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2384

C:\Users\Admin\AppData\Roaming\6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe
C:\Users\Admin\AppData\Roaming\6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:5064

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\6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe.log

Filesize
1KB

MD5
a8a147915e3a996fdbe10b3a3f1e1bb2

SHA1
abc564c1be468d57e700913e7b6cf8f62d421263

SHA256
8b96a8557deea66696837af011843d6a82451ba57c8f9b5a2726a70818d6fc7e

SHA512
17b42f17ef60a9f625703172763f692e5ed2ca93564a97853dfa72bb0ac6305ef3267aea0b205938e3aa8eac10156d9d4f322b30d0329d92d647bcec6372731c

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
15dde0683cd1ca19785d7262f554ba93

SHA1
d039c577e438546d10ac64837b05da480d06bf69

SHA256
d6fa39eab7ee36f44dc3f9f2839d098433db95c1eba924e4bcf4e5c0d268d961

SHA512
57c0e1b87bc1c136f0d39f3ce64bb8f8274a0491e4ca6e45e5c7f9070aa9d9370c6f590ce37cd600b252df2638d870205249a514c43245ca7ed49017024a4672

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mxajju0e.3m3.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74.exe

Filesize
49KB

MD5
0b3fc6003ed631b572c3347e10ac4aca

SHA1
51abe8c42abb8c2c52331bbdb99eb2fbcf18315c

SHA256
6f142145f7fe5028de2f33b56b2853347c2b4774d9fcfbec8547de1029c57f74

SHA512
3df3d20f0d96a122ffae5e54067864d8349dc0672cc24ad94dcab3ac67dec8c520b4f6f7875d75af14791180bd28f68ff4252111fe6c8a242286f9dd00bc751b

Download Submit
memory/1432-18-0x00007FFE0B010000-0x00007FFE0BAD1000-memory.dmp

Filesize
10.8MB

Download
memory/1432-15-0x00007FFE0B010000-0x00007FFE0BAD1000-memory.dmp

Filesize
10.8MB

Download
memory/1432-14-0x00007FFE0B010000-0x00007FFE0BAD1000-memory.dmp

Filesize
10.8MB

Download
memory/1432-8-0x00007FFE0B010000-0x00007FFE0BAD1000-memory.dmp

Filesize
10.8MB

Download
memory/1432-13-0x000001FBFFAA0000-0x000001FBFFAC2000-memory.dmp

Filesize
136KB

Download
memory/2908-0-0x00007FFE0B013000-0x00007FFE0B015000-memory.dmp

Filesize
8KB

Download
memory/2908-43-0x000000001B460000-0x000000001B46E000-memory.dmp

Filesize
56KB

Download
memory/2908-45-0x00007FFE0B013000-0x00007FFE0B015000-memory.dmp

Filesize
8KB

Download
memory/2908-46-0x00007FFE0B010000-0x00007FFE0BAD1000-memory.dmp

Filesize
10.8MB

Download
memory/2908-2-0x00007FFE0B010000-0x00007FFE0BAD1000-memory.dmp

Filesize
10.8MB

Download
memory/2908-1-0x00000000008E0000-0x00000000008F2000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads