xworm | 4aecacc803e54cc06db8e3a84e910d5376f58867e2436eb68a19a9c203043bd2

General

Target

4aecacc803e54cc06db8e3a84e910d5376f58867e2436eb68a19a9c203043bd2.exe
Size

1.4MB
MD5

3dcc9cfed0a716b6ad3c4f4aaf1a1f46
SHA1

e512e9a92247439ca3bbb8e412ec46f191025b41
SHA256

4aecacc803e54cc06db8e3a84e910d5376f58867e2436eb68a19a9c203043bd2
SHA512

9400b6f93ea25a644be656d2a1d9d3ba7a44ba2abdeb2140e6428fcdd4ba198216628c094602684744de2293bcbfe7e323c6ad74e4d7c6e16c77b66d1f65666c
SSDEEP

24576:bvx5AU4Cte393UvHQbyGDfa1HSiSvcXKF41oVMz8f9ShSpwRs6MmgBXzAnPcWJ+G:bvPJ4Ue1IweVpSiGIec8Pr6MmgBX3H0g

Score

10^/10

xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

authors-reflections.gl.at.ply.gg:19578

Mutex

QxbISg5F4EKZB8tq

Attributes

Install_directory
%AppData%
install_file
edge.exe

aes.plain

Signatures

Detect Xworm Payload 4 IoCs

resource	yara_rule
behavioral1/files/0x0007000000012116-7.dat	family_xworm
behavioral1/memory/2304-10-0x0000000001360000-0x0000000001370000-memory.dmp	family_xworm
behavioral1/memory/2180-27-0x0000000001290000-0x00000000012A0000-memory.dmp	family_xworm
behavioral1/memory/2856-30-0x00000000000E0000-0x00000000000F0000-memory.dmp	family_xworm

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

Drops startup file 2 IoCs

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

Executes dropped EXE 4 IoCs

pid	Process
2304	rat.exe
2432	freeware.exe
2180	edge.exe
2856	edge.exe

Loads dropped DLL 2 IoCs

pid	Process
2424	4aecacc803e54cc06db8e3a84e910d5376f58867e2436eb68a19a9c203043bd2.exe
272	Process not Found

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\edge = "C:\\Users\\Admin\\AppData\\Roaming\\edge.exe"	rat.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
2236	schtasks.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2304	rat.exe
Token: SeDebugPrivilege	2304	rat.exe
Token: SeDebugPrivilege	2180	edge.exe
Token: SeDebugPrivilege	2856	edge.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 2304	2424	4aecacc803e54cc06db8e3a84e910d5376f58867e2436eb68a19a9c203043bd2.exe	30
PID 2424 wrote to memory of 2304	2424	4aecacc803e54cc06db8e3a84e910d5376f58867e2436eb68a19a9c203043bd2.exe	30
PID 2424 wrote to memory of 2304	2424	4aecacc803e54cc06db8e3a84e910d5376f58867e2436eb68a19a9c203043bd2.exe	30
PID 2424 wrote to memory of 2432	2424	4aecacc803e54cc06db8e3a84e910d5376f58867e2436eb68a19a9c203043bd2.exe	31
PID 2424 wrote to memory of 2432	2424	4aecacc803e54cc06db8e3a84e910d5376f58867e2436eb68a19a9c203043bd2.exe	31
PID 2424 wrote to memory of 2432	2424	4aecacc803e54cc06db8e3a84e910d5376f58867e2436eb68a19a9c203043bd2.exe	31
PID 2304 wrote to memory of 2236	2304	rat.exe	33
PID 2304 wrote to memory of 2236	2304	rat.exe	33
PID 2304 wrote to memory of 2236	2304	rat.exe	33
PID 2636 wrote to memory of 2180	2636	taskeng.exe	37
PID 2636 wrote to memory of 2180	2636	taskeng.exe	37
PID 2636 wrote to memory of 2180	2636	taskeng.exe	37
PID 2636 wrote to memory of 2856	2636	taskeng.exe	38
PID 2636 wrote to memory of 2856	2636	taskeng.exe	38
PID 2636 wrote to memory of 2856	2636	taskeng.exe	38

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\4aecacc803e54cc06db8e3a84e910d5376f58867e2436eb68a19a9c203043bd2.exe
"C:\Users\Admin\AppData\Local\Temp\4aecacc803e54cc06db8e3a84e910d5376f58867e2436eb68a19a9c203043bd2.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Users\Admin\AppData\Local\Temp\rat.exe
  "C:\Users\Admin\AppData\Local\Temp\rat.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2304
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "edge" /tr "C:\Users\Admin\AppData\Roaming\edge.exe"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2236
- C:\Users\Admin\AppData\Local\Temp\freeware.exe
  "C:\Users\Admin\AppData\Local\Temp\freeware.exe"
  2⤵
  - Executes dropped EXE
  PID:2432

C:\Windows\system32\taskeng.exe
taskeng.exe {54C9CDDC-6173-40CA-8107-AB7038219980} S-1-5-21-2872745919-2748461613-2989606286-1000:CCJBVTGQ\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2636
- C:\Users\Admin\AppData\Roaming\edge.exe
  C:\Users\Admin\AppData\Roaming\edge.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2180
- C:\Users\Admin\AppData\Roaming\edge.exe
  C:\Users\Admin\AppData\Roaming\edge.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2856

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\Local\Temp\rat.exe

Filesize
39KB

MD5
0f43e9b3d93b65843f0346d76282bdc7

SHA1
140be5eec263cdbadb57579201aa7ccacd3c770d

SHA256
108ff90bf1870b1618ccba08ffa06dae87028f514bdf2410b46204afa2f8248b

SHA512
e322da86925d29c214223f7e05c52b86104333d8e6a28c8f91a2b261b5b50dd08a209efba59aeaee17607be52ec2c2405030fc6945ce11fa0dca01fefda8a029

Download Submit
\Users\Admin\AppData\Local\Temp\freeware.exe

Filesize
2.2MB

MD5
bfdfa3fae0bf91d83dddf5a708dbefb1

SHA1
efde91e21be9cc72f232ff7eece993d044308bb7

SHA256
7ead32808ab47500ff3e36fc1b4702e797457acc46e2769cd23004e5faeb6761

SHA512
740429d8d3e15eb4da2ed45f5c3bbe159d3f8c4b734044a26a478f71e6b529881ca0a198a00578105bffdd34b013b024d6d94f404aee91c1eac0a53414f25a6f

Download Submit
memory/2180-27-0x0000000001290000-0x00000000012A0000-memory.dmp

Filesize
64KB

Download
memory/2304-22-0x000007FEF53E0000-0x000007FEF5DCC000-memory.dmp

Filesize
9.9MB

Download
memory/2304-10-0x0000000001360000-0x0000000001370000-memory.dmp

Filesize
64KB

Download
memory/2304-14-0x000007FEF53E0000-0x000007FEF5DCC000-memory.dmp

Filesize
9.9MB

Download
memory/2304-21-0x000007FEF53E0000-0x000007FEF5DCC000-memory.dmp

Filesize
9.9MB

Download
memory/2304-23-0x000007FEF53E0000-0x000007FEF5DCC000-memory.dmp

Filesize
9.9MB

Download
memory/2424-5-0x000007FEF53E0000-0x000007FEF5DCC000-memory.dmp

Filesize
9.9MB

Download
memory/2424-16-0x000007FEF53E0000-0x000007FEF5DCC000-memory.dmp

Filesize
9.9MB

Download
memory/2424-0-0x000007FEF53E3000-0x000007FEF53E4000-memory.dmp

Filesize
4KB

Download
memory/2424-1-0x00000000008E0000-0x0000000000A4C000-memory.dmp

Filesize
1.4MB

Download
memory/2856-30-0x00000000000E0000-0x00000000000F0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads