xworm | 362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969

General

Target

362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe
Size

66KB
MD5

db69b881c533823b0a6cc3457dae6394
SHA1

4b9532efa31c638bcce20cdd2e965ad80f98d87b
SHA256

362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969
SHA512

b9fe75ac47c1aa2c0ba49d648598346a26828e7aa9f572d6aebece94d8d3654d82309af54173278be27f78d4b58db1c3d001cb50596900dee63f4fb9988fb6df
SSDEEP

1536:6t0UYc38zWpfs4FkXtUg4QbskJrptNbm6E60OilVi:6t7R38zWXF0TbsU8O2s

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

Attributes

Install_directory
%Userprofile%
install_file
MicrosoftProfile.exe
pastebin_url
https://pastebin.com/raw/yDTTG7qZ

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/memory/1432-1-0x00000000008C0000-0x00000000008D6000-memory.dmp	family_xworm
behavioral2/files/0x000a000000023c9c-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
3980	powershell.exe
2524	powershell.exe
1920	powershell.exe
1580	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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe

Executes dropped EXE 2 IoCs

pid	Process
700	MicrosoftProfile.exe
396	MicrosoftProfile.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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicrosoftProfile = "C:\\Users\\Admin\\MicrosoftProfile.exe"	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
18	pastebin.com
19	pastebin.com

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
15	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
1352	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
3980	powershell.exe
3980	powershell.exe
2524	powershell.exe
2524	powershell.exe
1920	powershell.exe
1920	powershell.exe
1580	powershell.exe
1580	powershell.exe
1432	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	1432	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe
Token: SeDebugPrivilege	3980	powershell.exe
Token: SeDebugPrivilege	2524	powershell.exe
Token: SeDebugPrivilege	1920	powershell.exe
Token: SeDebugPrivilege	1580	powershell.exe
Token: SeDebugPrivilege	1432	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe
Token: SeDebugPrivilege	700	MicrosoftProfile.exe
Token: SeDebugPrivilege	396	MicrosoftProfile.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1432	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1432 wrote to memory of 3980	1432	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe	85
PID 1432 wrote to memory of 3980	1432	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe	85
PID 1432 wrote to memory of 2524	1432	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe	88
PID 1432 wrote to memory of 2524	1432	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe	88
PID 1432 wrote to memory of 1920	1432	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe	90
PID 1432 wrote to memory of 1920	1432	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe	90
PID 1432 wrote to memory of 1580	1432	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe	92
PID 1432 wrote to memory of 1580	1432	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe	92
PID 1432 wrote to memory of 1352	1432	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe	95
PID 1432 wrote to memory of 1352	1432	362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe	95

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\362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe
"C:\Users\Admin\AppData\Local\Temp\362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3980
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2524
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\MicrosoftProfile.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1920
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'MicrosoftProfile.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1580
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "MicrosoftProfile" /tr "C:\Users\Admin\MicrosoftProfile.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:1352

C:\Users\Admin\MicrosoftProfile.exe
C:\Users\Admin\MicrosoftProfile.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:700

C:\Users\Admin\MicrosoftProfile.exe
C:\Users\Admin\MicrosoftProfile.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:396

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

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\MicrosoftProfile.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
6d3e9c29fe44e90aae6ed30ccf799ca8

SHA1
c7974ef72264bbdf13a2793ccf1aed11bc565dce

SHA256
2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

SHA512
60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

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

Filesize
944B

MD5
7daa0b6c9f8fb37635f8121b0c06690a

SHA1
5684d950c7e582b02ba88e579f0d350100d16889

SHA256
a37ab7ac828226c2de1d05cdf35a6d7934ff3e5ecd617d46df1cdc784783d86b

SHA512
55578b4054f8e12df4721df0f8f35ca1f879dd2e2e32ac8aaa8bebf68f5521dfb35547a0f15e670cecd8019f18b32c0e6d78f44556431807e4225b04c0e99c35

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

Filesize
944B

MD5
b4b6d4cc52b5a3a71149b1f33d94d5de

SHA1
97d3dbdd24919eab70e3b14c68797cefc07e90dd

SHA256
da8c02ce00d5b1e6d4c3667465c7bbc14d7cd5227eb634f3d9690afd488267fe

SHA512
fc894f03709b83df7d2fca2779e1e60549078b67bcdbff0b61c8e5a802982210ae971309c1f92577573299288963ab5c95c6b38cbaedf53dc6062812c57a97af

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zezzn2d4.dlr.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\MicrosoftProfile.exe

Filesize
66KB

MD5
db69b881c533823b0a6cc3457dae6394

SHA1
4b9532efa31c638bcce20cdd2e965ad80f98d87b

SHA256
362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969

SHA512
b9fe75ac47c1aa2c0ba49d648598346a26828e7aa9f572d6aebece94d8d3654d82309af54173278be27f78d4b58db1c3d001cb50596900dee63f4fb9988fb6df

Download Submit
memory/1432-16-0x00007FF989863000-0x00007FF989865000-memory.dmp

Filesize
8KB

Download
memory/1432-0-0x00007FF989863000-0x00007FF989865000-memory.dmp

Filesize
8KB

Download
memory/1432-56-0x00007FF989860000-0x00007FF98A321000-memory.dmp

Filesize
10.8MB

Download
memory/1432-2-0x00007FF989860000-0x00007FF98A321000-memory.dmp

Filesize
10.8MB

Download
memory/1432-1-0x00000000008C0000-0x00000000008D6000-memory.dmp

Filesize
88KB

Download
memory/3980-17-0x00007FF989860000-0x00007FF98A321000-memory.dmp

Filesize
10.8MB

Download
memory/3980-20-0x00007FF989860000-0x00007FF98A321000-memory.dmp

Filesize
10.8MB

Download
memory/3980-15-0x00007FF989860000-0x00007FF98A321000-memory.dmp

Filesize
10.8MB

Download
memory/3980-10-0x00000189EF950000-0x00000189EF972000-memory.dmp

Filesize
136KB

Download
memory/3980-4-0x00007FF989860000-0x00007FF98A321000-memory.dmp

Filesize
10.8MB

Download
memory/3980-3-0x00007FF989860000-0x00007FF98A321000-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