xworm | a6efc36d12cb0bbeff1748eefb46f2ad6df30cc736a0afe1337f3b97e85443f2

General

Target

2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe
Size

192KB
MD5

7c47ea730d0d9201dfb31d80c4bf16ce
SHA1

85de8ad640c8b2c5e186f4bdf1819870afeac2b8
SHA256

a6efc36d12cb0bbeff1748eefb46f2ad6df30cc736a0afe1337f3b97e85443f2
SHA512

5c708b9a251263de8f2c6619f0515fd3ea3bc1b8be837b778223983cb97f182c36bd7332dbd79c701793038b805b304033a858f104d283f400b3af90bca5237d
SSDEEP

6144:jmpsdZuN2iRzjMelR74/gU8G9CbGCrmsE/93ffk8q98R77Hg3c05yH+lDAA:jmpsdZuN2iRzjBlR74/gU8G9CbGCrmsz

Score

10^/10

Malware Config

Signatures

Detect Xworm Payload 4 IoCs

resource	yara_rule
behavioral1/memory/1680-1-0x0000000000230000-0x0000000000266000-memory.dmp	family_xworm
behavioral1/files/0x00080000000173fb-10.dat	family_xworm
behavioral1/memory/1272-11-0x00000000001B0000-0x00000000001E6000-memory.dmp	family_xworm
behavioral1/memory/1636-13-0x00000000002B0000-0x00000000002E6000-memory.dmp	family_xworm

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

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe	2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe	2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe

Executes dropped EXE 2 IoCs

pid	Process
1272	2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe
1636	2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear = "C:\\Users\\Admin\\AppData\\Roaming\\2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe"	2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe

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
2340	schtasks.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1680	2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe
Token: SeDebugPrivilege	1272	2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe
Token: SeDebugPrivilege	1636	2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 2340	1680	2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe	30
PID 1680 wrote to memory of 2340	1680	2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe	30
PID 1680 wrote to memory of 2340	1680	2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe	30
PID 372 wrote to memory of 1272	372	taskeng.exe	35
PID 372 wrote to memory of 1272	372	taskeng.exe	35
PID 372 wrote to memory of 1272	372	taskeng.exe	35
PID 372 wrote to memory of 1636	372	taskeng.exe	36
PID 372 wrote to memory of 1636	372	taskeng.exe	36
PID 372 wrote to memory of 1636	372	taskeng.exe	36

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\2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe
"C:\Users\Admin\AppData\Local\Temp\2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1680
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /sc minute /mo 1 /tn "2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear" /tr "C:\Users\Admin\AppData\Roaming\2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2340

C:\Windows\system32\taskeng.exe
taskeng.exe {80A74D52-497A-4E33-BD80-A50D81CF66B2} S-1-5-21-3290804112-2823094203-3137964600-1000:VORHPBAB\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:372
- C:\Users\Admin\AppData\Roaming\2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe
  C:\Users\Admin\AppData\Roaming\2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1272
- C:\Users\Admin\AppData\Roaming\2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe
  C:\Users\Admin\AppData\Roaming\2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\2025-03-06_7c47ea730d0d9201dfb31d80c4bf16ce_hiddentear.exe

Filesize
192KB

MD5
7c47ea730d0d9201dfb31d80c4bf16ce

SHA1
85de8ad640c8b2c5e186f4bdf1819870afeac2b8

SHA256
a6efc36d12cb0bbeff1748eefb46f2ad6df30cc736a0afe1337f3b97e85443f2

SHA512
5c708b9a251263de8f2c6619f0515fd3ea3bc1b8be837b778223983cb97f182c36bd7332dbd79c701793038b805b304033a858f104d283f400b3af90bca5237d

Download Submit
memory/1272-11-0x00000000001B0000-0x00000000001E6000-memory.dmp

Filesize
216KB

Download
memory/1636-13-0x00000000002B0000-0x00000000002E6000-memory.dmp

Filesize
216KB

Download
memory/1680-0-0x000007FEF5973000-0x000007FEF5974000-memory.dmp

Filesize
4KB

Download
memory/1680-1-0x0000000000230000-0x0000000000266000-memory.dmp

Filesize
216KB

Download
memory/1680-2-0x000007FEF5970000-0x000007FEF635C000-memory.dmp

Filesize
9.9MB

Download
memory/1680-6-0x000007FEF5973000-0x000007FEF5974000-memory.dmp

Filesize
4KB

Download
memory/1680-7-0x000007FEF5970000-0x000007FEF635C000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads