xworm | 7c13325d6a8d39c109967a36405b46fe3161eca9e7b9abb3b79e877997ddfd25

General

Target

7c13325d6a8d39c109967a36405b46fe3161eca9e7b9abb3b79e877997ddfd25.exe
Size

6.3MB
MD5

4149a40b2d855ce0ab30df3750d3644c
SHA1

75a8cbfffc5721509cff1aec9d7ec129c4e59d0b
SHA256

7c13325d6a8d39c109967a36405b46fe3161eca9e7b9abb3b79e877997ddfd25
SHA512

be86514ebb0452e461215fb4b5d99772697406943d7f8787e5f007e0dc396c8dfc19737a9c28b084a7d0c1612ee587608ff8ccde3341ce5a169e2b358c5d5f13
SSDEEP

98304:lXTFjm3UAtTlMmsoWXCo0B4nDk1vmp28nnnYFpyy3xjtVqox:lXTFjm3TtTlMPoW4B95mpsdxGox

Score

10^/10

xworm discovery persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

87.120.116.179:1300

Mutex

C33DN8qMtx58OdAb

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/2216-7-0x0000000000120000-0x0000000000130000-memory.dmp	family_xworm

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

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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\UnuKick = "C:\\Users\\Admin\\Videos\\Kick\\VideoUnu.exe"	7c13325d6a8d39c109967a36405b46fe3161eca9e7b9abb3b79e877997ddfd25.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4828 set thread context of 2216	4828	7c13325d6a8d39c109967a36405b46fe3161eca9e7b9abb3b79e877997ddfd25.exe	96

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7c13325d6a8d39c109967a36405b46fe3161eca9e7b9abb3b79e877997ddfd25.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2216	csc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2216	csc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2216	csc.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4828 wrote to memory of 2216	4828	7c13325d6a8d39c109967a36405b46fe3161eca9e7b9abb3b79e877997ddfd25.exe	96
PID 4828 wrote to memory of 2216	4828	7c13325d6a8d39c109967a36405b46fe3161eca9e7b9abb3b79e877997ddfd25.exe	96
PID 4828 wrote to memory of 2216	4828	7c13325d6a8d39c109967a36405b46fe3161eca9e7b9abb3b79e877997ddfd25.exe	96
PID 4828 wrote to memory of 2216	4828	7c13325d6a8d39c109967a36405b46fe3161eca9e7b9abb3b79e877997ddfd25.exe	96
PID 4828 wrote to memory of 2216	4828	7c13325d6a8d39c109967a36405b46fe3161eca9e7b9abb3b79e877997ddfd25.exe	96

C:\Users\Admin\AppData\Local\Temp\7c13325d6a8d39c109967a36405b46fe3161eca9e7b9abb3b79e877997ddfd25.exe
"C:\Users\Admin\AppData\Local\Temp\7c13325d6a8d39c109967a36405b46fe3161eca9e7b9abb3b79e877997ddfd25.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4828
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2216

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2216-17-0x00000000061B0000-0x0000000006242000-memory.dmp

Filesize
584KB

Download
memory/2216-16-0x00000000050A0000-0x00000000050B0000-memory.dmp

Filesize
64KB

Download
memory/2216-11-0x0000000004E70000-0x0000000004F0C000-memory.dmp

Filesize
624KB

Download
memory/2216-12-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

Filesize
4KB

Download
memory/2216-21-0x00000000050A0000-0x00000000050B0000-memory.dmp

Filesize
64KB

Download
memory/2216-20-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

Filesize
4KB

Download
memory/2216-19-0x00000000063B0000-0x0000000006416000-memory.dmp

Filesize
408KB

Download
memory/2216-7-0x0000000000120000-0x0000000000130000-memory.dmp

Filesize
64KB

Download
memory/2216-18-0x0000000006110000-0x000000000611A000-memory.dmp

Filesize
40KB

Download
memory/2216-15-0x0000000005A60000-0x0000000006004000-memory.dmp

Filesize
5.6MB

Download
memory/4828-9-0x0000000000400000-0x0000000000A8B000-memory.dmp

Filesize
6.5MB

Download
memory/4828-4-0x0000000000400000-0x0000000000A8B000-memory.dmp

Filesize
6.5MB

Download
memory/4828-5-0x0000000000400000-0x0000000000A8B000-memory.dmp

Filesize
6.5MB

Download
memory/4828-14-0x0000000000573000-0x000000000058C000-memory.dmp

Filesize
100KB

Download
memory/4828-0-0x0000000000400000-0x0000000000A8B000-memory.dmp

Filesize
6.5MB

Download
memory/4828-1-0x0000000000573000-0x000000000058C000-memory.dmp

Filesize
100KB

Download
memory/4828-6-0x0000000000400000-0x0000000000A8B000-memory.dmp

Filesize
6.5MB

Download
memory/4828-10-0x0000000000400000-0x0000000000A8B000-memory.dmp

Filesize
6.5MB

Download
memory/4828-3-0x0000000000400000-0x0000000000A8B000-memory.dmp

Filesize
6.5MB

Download
memory/4828-8-0x0000000000400000-0x0000000000A8B000-memory.dmp

Filesize
6.5MB

Download
memory/4828-13-0x0000000000A13000-0x0000000000A1C000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads