xworm | a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6

General

Target

a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe
Size

408KB
MD5

afca5eaa6d402c37a8aa7d93110c97f0
SHA1

e5d797b50a51b9595a85260ec353768ab1515258
SHA256

a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6
SHA512

58e02fc9badafbc3a0dee25a4d5af4435dc1830f6e8a8af074ca9b1adafadacd81db74068d8a78c9809cafcbcb8f5945cf4020635d724d77299020c8a1679c03
SSDEEP

6144:LJgOMsar5xbivcUblrM2KDBXQseSDCOTMAtBMA1kqDzumBFTLv++GDZMj:mOMxWcqrlK1XHeSDCOIkBzbD59BGVY

Score

10^/10

xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

3.1

C2

atelilian99.ddns.net:8282

Mutex

XqUeUiDC1kQH7xwL

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 6 IoCs

resource	yara_rule
behavioral1/memory/2596-24-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm
behavioral1/memory/2596-26-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm
behavioral1/memory/2596-30-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm
behavioral1/memory/2596-32-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm
behavioral1/memory/2596-34-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm
behavioral1/memory/2788-39-0x00000000026D0000-0x0000000002710000-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\a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.lnk	a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.lnk	a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe

Loads dropped DLL 1 IoCs

pid	Process
2596	a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.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-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC = "C:\\Users\\Admin\\AppData\\Roaming\\a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe"	a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2228 set thread context of 2596	2228	a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe	35

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

pid	Process
2548	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2228	a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe
2228	a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe
2228	a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe
2228	a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe
2228	a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe
2788	powershell.exe
1724	powershell.exe
2596	a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2228	a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe
Token: SeDebugPrivilege	2596	a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe
Token: SeDebugPrivilege	2788	powershell.exe
Token: SeDebugPrivilege	1724	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2596	a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 2788	2228	a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe	29
PID 2228 wrote to memory of 2788	2228	a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe	29
PID 2228 wrote to memory of 2788	2228	a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe	29
PID 2228 wrote to memory of 2788	2228	a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe	29
PID 2228 wrote to memory of 1724	2228	a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe	31
PID 2228 wrote to memory of 1724	2228	a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe	31
PID 2228 wrote to memory of 1724	2228	a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe	31
PID 2228 wrote to memory of 1724	2228	a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe	31
PID 2228 wrote to memory of 2548	2228	a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe	33
PID 2228 wrote to memory of 2548	2228	a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe	33
PID 2228 wrote to memory of 2548	2228	a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe	33
PID 2228 wrote to memory of 2548	2228	a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe	33
PID 2228 wrote to memory of 2596	2228	a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe	35
PID 2228 wrote to memory of 2596	2228	a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe	35
PID 2228 wrote to memory of 2596	2228	a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe	35
PID 2228 wrote to memory of 2596	2228	a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe	35
PID 2228 wrote to memory of 2596	2228	a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe	35
PID 2228 wrote to memory of 2596	2228	a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe	35
PID 2228 wrote to memory of 2596	2228	a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe	35
PID 2228 wrote to memory of 2596	2228	a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe	35
PID 2228 wrote to memory of 2596	2228	a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe	35

C:\Users\Admin\AppData\Local\Temp\a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe
"C:\Users\Admin\AppData\Local\Temp\a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2788
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\RWtKOUV.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1724
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RWtKOUV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5EA4.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2548
- C:\Users\Admin\AppData\Local\Temp\a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe
  "C:\Users\Admin\AppData\Local\Temp\a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe"
  2⤵
  - Drops startup file
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp5EA4.tmp

Filesize
1KB

MD5
4398211bb39eb2b8c7492703362a0d14

SHA1
65f429c27adc32b672c52939552baab1593d05cd

SHA256
0ac6e7166671acdb0bf2604385829e1b9a846206689311a3bb4990c5c4e24471

SHA512
b1405967f4775fb7015b358271554dad12a551ef7bbf76595453d422054206e3c60dba55dded6a986dfc9f21989996a5d425464e92071a9e8e24c630b35c8b3e

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\F7GSW6JHY9IW30QUULAX.temp

Filesize
7KB

MD5
21e4d3199f6afb221122b809a517c2af

SHA1
73532b134e810226e47916589ced7c6afdf31b2d

SHA256
f8eb447fa72d92b348a937782494a7139d6936043c6c4f327ec47c9bbd50e3a3

SHA512
90001a9e41be16ccd2ae52abb17ab895365d4f109612c7ed08491acdb15c885823e2aa8251cf9594aacd46ee6279d097ed4ea0c4dfb22cbc90f8dcdcf42fdf21

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
21e4d3199f6afb221122b809a517c2af

SHA1
73532b134e810226e47916589ced7c6afdf31b2d

SHA256
f8eb447fa72d92b348a937782494a7139d6936043c6c4f327ec47c9bbd50e3a3

SHA512
90001a9e41be16ccd2ae52abb17ab895365d4f109612c7ed08491acdb15c885823e2aa8251cf9594aacd46ee6279d097ed4ea0c4dfb22cbc90f8dcdcf42fdf21

Download Submit
C:\Users\Admin\AppData\Roaming\a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe

Filesize
408KB

MD5
afca5eaa6d402c37a8aa7d93110c97f0

SHA1
e5d797b50a51b9595a85260ec353768ab1515258

SHA256
a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6

SHA512
58e02fc9badafbc3a0dee25a4d5af4435dc1830f6e8a8af074ca9b1adafadacd81db74068d8a78c9809cafcbcb8f5945cf4020635d724d77299020c8a1679c03

Download Submit
\Users\Admin\AppData\Roaming\a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6_JC.exe

Filesize
408KB

MD5
afca5eaa6d402c37a8aa7d93110c97f0

SHA1
e5d797b50a51b9595a85260ec353768ab1515258

SHA256
a1d6f223fa3e037cea557b5b5aa79bea29060a9a323ca9974806a04ad05a3dc6

SHA512
58e02fc9badafbc3a0dee25a4d5af4435dc1830f6e8a8af074ca9b1adafadacd81db74068d8a78c9809cafcbcb8f5945cf4020635d724d77299020c8a1679c03

Download Submit
memory/1724-40-0x000000006ED30000-0x000000006F2DB000-memory.dmp

Filesize
5.7MB

Download
memory/1724-44-0x000000006ED30000-0x000000006F2DB000-memory.dmp

Filesize
5.7MB

Download
memory/1724-42-0x0000000002650000-0x0000000002690000-memory.dmp

Filesize
256KB

Download
memory/1724-37-0x000000006ED30000-0x000000006F2DB000-memory.dmp

Filesize
5.7MB

Download
memory/2228-35-0x0000000074A50000-0x000000007513E000-memory.dmp

Filesize
6.9MB

Download
memory/2228-7-0x0000000000D00000-0x0000000000D48000-memory.dmp

Filesize
288KB

Download
memory/2228-5-0x0000000004C20000-0x0000000004C60000-memory.dmp

Filesize
256KB

Download
memory/2228-4-0x0000000074A50000-0x000000007513E000-memory.dmp

Filesize
6.9MB

Download
memory/2228-3-0x0000000000350000-0x0000000000364000-memory.dmp

Filesize
80KB

Download
memory/2228-1-0x0000000074A50000-0x000000007513E000-memory.dmp

Filesize
6.9MB

Download
memory/2228-2-0x0000000004C20000-0x0000000004C60000-memory.dmp

Filesize
256KB

Download
memory/2228-0-0x00000000010E0000-0x000000000114C000-memory.dmp

Filesize
432KB

Download
memory/2228-6-0x0000000000380000-0x000000000038C000-memory.dmp

Filesize
48KB

Download
memory/2596-36-0x0000000074A50000-0x000000007513E000-memory.dmp

Filesize
6.9MB

Download
memory/2596-20-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2596-32-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2596-30-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2596-55-0x00000000046E0000-0x0000000004720000-memory.dmp

Filesize
256KB

Download
memory/2596-34-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2596-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2596-54-0x0000000074A50000-0x000000007513E000-memory.dmp

Filesize
6.9MB

Download
memory/2596-26-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2596-53-0x00000000046E0000-0x0000000004720000-memory.dmp

Filesize
256KB

Download
memory/2596-22-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2596-24-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2788-39-0x00000000026D0000-0x0000000002710000-memory.dmp

Filesize
256KB

Download
memory/2788-45-0x000000006ED30000-0x000000006F2DB000-memory.dmp

Filesize
5.7MB

Download
memory/2788-43-0x00000000026D0000-0x0000000002710000-memory.dmp

Filesize
256KB

Download
memory/2788-41-0x000000006ED30000-0x000000006F2DB000-memory.dmp

Filesize
5.7MB

Download
memory/2788-38-0x000000006ED30000-0x000000006F2DB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads