xworm | c2a1b97d657542e949496bc96e5a6c4e0beb101a629e7591519d0cb7e906dbfa

General

Target

XWorm-V5.0/XWormLoader.exe
Size

111KB
MD5

9158e38c3bacd6cc50e4355783fead8b
SHA1

c30c982c2d061e4bd8b5e0e3f89693b3939a0833
SHA256

1f10356e86d377e76ab31ca4401f0f49f4caa9587227c61c56f8fc38dc4d7bda
SHA512

98683f6d5954238428b83df22acef64b7b3ca12b84c6b7cdd90063e4800006d3243b678eb5702045c32e8a7fd76c44cd453d6b6aca732b5a4d50d555d1b753bd
SSDEEP

1536:SrHEKSUVTbZgAfQFj9136yOsvSqmyVttdGFQeOPig09:SrFXgkQFj91/OsvSqmyBez9

Score

10^/10

xworm rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

testarosa.duckdns.org:7110

Mutex

Rg1w8TcZ1AXGhMnB

Attributes

Install_directory
%ProgramData%
install_file
WindowsDefender.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

Processes:

resource	yara_rule
behavioral4/memory/224-0-0x0000000000020000-0x0000000000042000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm

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:

XWormLoader.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	XWormLoader.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

17 ip-api.com
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

3488 schtasks.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

XWormLoader.exe

pid process

224 XWormLoader.exe

flow	ioc
17	ip-api.com

pid	process
3488	schtasks.exe

pid	process
224	XWormLoader.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

pid	process
4092	powershell.exe
4092	powershell.exe
1168	powershell.exe
1168	powershell.exe
3308	powershell.exe
3308	powershell.exe
4856	powershell.exe
4856	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

XWormLoader.exepowershell.exepowershell.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	224	XWormLoader.exe
Token: SeDebugPrivilege	4092	powershell.exe
Token: SeDebugPrivilege	1168	powershell.exe
Token: SeDebugPrivilege	3308	powershell.exe
Token: SeDebugPrivilege	4856	powershell.exe
Token: SeDebugPrivilege	224	XWormLoader.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

XWormLoader.exe

description	pid	process	target process
PID 224 wrote to memory of 4092	224	XWormLoader.exe	powershell.exe
PID 224 wrote to memory of 4092	224	XWormLoader.exe	powershell.exe
PID 224 wrote to memory of 1168	224	XWormLoader.exe	powershell.exe
PID 224 wrote to memory of 1168	224	XWormLoader.exe	powershell.exe
PID 224 wrote to memory of 3308	224	XWormLoader.exe	powershell.exe
PID 224 wrote to memory of 3308	224	XWormLoader.exe	powershell.exe
PID 224 wrote to memory of 4856	224	XWormLoader.exe	powershell.exe
PID 224 wrote to memory of 4856	224	XWormLoader.exe	powershell.exe
PID 224 wrote to memory of 3488	224	XWormLoader.exe	schtasks.exe
PID 224 wrote to memory of 3488	224	XWormLoader.exe	schtasks.exe

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\XWorm-V5.0\XWormLoader.exe
"C:\Users\Admin\AppData\Local\Temp\XWorm-V5.0\XWormLoader.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:224

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\XWorm-V5.0\XWormLoader.exe'
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4092

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XWormLoader.exe'
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1168

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\WindowsDefender.exe'
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3308

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'WindowsDefender.exe'
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4856

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "WindowsDefender" /tr "C:\ProgramData\WindowsDefender.exe"
2⤵
- Creates scheduled task(s)
PID:3488

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

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\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
d28a889fd956d5cb3accfbaf1143eb6f

SHA1
157ba54b365341f8ff06707d996b3635da8446f7

SHA256
21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45

SHA512
0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c

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

Filesize
944B

MD5
e60eb305a7b2d9907488068b7065abd3

SHA1
1643dd7f915ac50c75bc01c53d68c5dafb9ce28d

SHA256
ad07460e061642c0dd4e7dfa7b821aacce873e290389e72f708e9f3504f9d135

SHA512
95c45afec6fa4e0b2a21edd10a6b2dc30568810c67bc9bc34d98ab111c48261f377a370583adb27e08616b0108026c119493b1b093b52ce931117e646b46cb7b

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

Filesize
944B

MD5
10890cda4b6eab618e926c4118ab0647

SHA1
1e1d63b73a0e6c7575f458b3c7917a9ce5ba776d

SHA256
00f8a035324d39bd62e6dee5e1b480069015471c487ebee4479e6990ea9ddb14

SHA512
a2ee84006c24a36f25e0bca0772430d64e3791f233da916aecdeae6712763e77d55bbbd00dc8f6b2b3887f3c26ab3980b96c5f46cc823e81e28abbbc5fc78221

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_f212ykip.zws.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/224-67-0x000000001ADE0000-0x000000001ADF0000-memory.dmp

Filesize
64KB

Download
memory/224-66-0x00007FFEE7340000-0x00007FFEE7E01000-memory.dmp

Filesize
10.8MB

Download
memory/224-0-0x0000000000020000-0x0000000000042000-memory.dmp

Filesize
136KB

Download
memory/224-2-0x000000001ADE0000-0x000000001ADF0000-memory.dmp

Filesize
64KB

Download
memory/224-1-0x00007FFEE7340000-0x00007FFEE7E01000-memory.dmp

Filesize
10.8MB

Download
memory/1168-34-0x00007FFEE7340000-0x00007FFEE7E01000-memory.dmp

Filesize
10.8MB

Download
memory/1168-20-0x00007FFEE7340000-0x00007FFEE7E01000-memory.dmp

Filesize
10.8MB

Download
memory/1168-21-0x0000021E28C50000-0x0000021E28C60000-memory.dmp

Filesize
64KB

Download
memory/1168-22-0x0000021E28C50000-0x0000021E28C60000-memory.dmp

Filesize
64KB

Download
memory/3308-47-0x000002A581510000-0x000002A581520000-memory.dmp

Filesize
64KB

Download
memory/3308-44-0x00007FFEE7340000-0x00007FFEE7E01000-memory.dmp

Filesize
10.8MB

Download
memory/3308-46-0x000002A581510000-0x000002A581520000-memory.dmp

Filesize
64KB

Download
memory/3308-49-0x00007FFEE7340000-0x00007FFEE7E01000-memory.dmp

Filesize
10.8MB

Download
memory/4092-18-0x00007FFEE7340000-0x00007FFEE7E01000-memory.dmp

Filesize
10.8MB

Download
memory/4092-15-0x0000026393BA0000-0x0000026393BB0000-memory.dmp

Filesize
64KB

Download
memory/4092-14-0x0000026393BA0000-0x0000026393BB0000-memory.dmp

Filesize
64KB

Download
memory/4092-12-0x0000026393B10000-0x0000026393B32000-memory.dmp

Filesize
136KB

Download
memory/4092-13-0x00007FFEE7340000-0x00007FFEE7E01000-memory.dmp

Filesize
10.8MB

Download
memory/4856-50-0x00007FFEE7340000-0x00007FFEE7E01000-memory.dmp

Filesize
10.8MB

Download
memory/4856-52-0x000001E39ADD0000-0x000001E39ADE0000-memory.dmp

Filesize
64KB

Download
memory/4856-51-0x000001E39ADD0000-0x000001E39ADE0000-memory.dmp

Filesize
64KB

Download
memory/4856-64-0x00007FFEE7340000-0x00007FFEE7E01000-memory.dmp

Filesize
10.8MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads