xworm | 9ec84d8659105a0d29434aa479ed843c6abe17ec502d2b116f3819a3f68eea8f

General

Target

AquaInternal.exe
Size

141KB
MD5

3767463ab4e7188e25cd9fbbe7c7c7c7
SHA1

c9fe79d1af207978143ff863ac6d3234af89419d
SHA256

9ec84d8659105a0d29434aa479ed843c6abe17ec502d2b116f3819a3f68eea8f
SHA512

1042364577faff11251f26248e7611e81c8ec3fa70e77b724a2e4390856479939e363d6a1c0dd1c561d23774f91dfbcd9e494a199051743728bec561818205ac
SSDEEP

3072:9wnf6XukUC/pZbO2xT4zIOC4JwDopeg0/:9oSeUfbVFrTg

Score

10^/10

xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:5552

Attributes

Install_directory
%AppData%
install_file
nigger.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/memory/1060-1-0x00000000007F0000-0x0000000000818000-memory.dmp	family_xworm
behavioral1/files/0x001e00000002aa5f-8.dat	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\AquaInternal.lnk	AquaInternal.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AquaInternal.lnk	AquaInternal.exe

Executes dropped EXE 5 IoCs

pid	Process
2496	AquaInternal.exe
1056	AquaInternal.exe
4928	AquaInternal.exe
4924	AquaInternal.exe
2368	AquaInternal.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-1-5-21-3587106988-279496464-3440778474-1000\Software\Microsoft\Windows\CurrentVersion\Run\AquaInternal = "C:\\Users\\Admin\\AppData\\Roaming\\AquaInternal.exe"	AquaInternal.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
2352	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1060	AquaInternal.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1060	AquaInternal.exe
Token: SeDebugPrivilege	2496	AquaInternal.exe
Token: SeDebugPrivilege	1056	AquaInternal.exe
Token: SeDebugPrivilege	4928	AquaInternal.exe
Token: SeDebugPrivilege	4924	AquaInternal.exe
Token: SeDebugPrivilege	2368	AquaInternal.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1060	AquaInternal.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1060 wrote to memory of 2352	1060	AquaInternal.exe	77
PID 1060 wrote to memory of 2352	1060	AquaInternal.exe	77

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\AquaInternal.exe
"C:\Users\Admin\AppData\Local\Temp\AquaInternal.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1060
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "AquaInternal" /tr "C:\Users\Admin\AppData\Roaming\AquaInternal.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2352

C:\Users\Admin\AppData\Roaming\AquaInternal.exe
C:\Users\Admin\AppData\Roaming\AquaInternal.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2496

C:\Users\Admin\AppData\Roaming\AquaInternal.exe
C:\Users\Admin\AppData\Roaming\AquaInternal.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1056

C:\Users\Admin\AppData\Roaming\AquaInternal.exe
C:\Users\Admin\AppData\Roaming\AquaInternal.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4928

C:\Users\Admin\AppData\Roaming\AquaInternal.exe
C:\Users\Admin\AppData\Roaming\AquaInternal.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4924

C:\Users\Admin\AppData\Roaming\AquaInternal.exe
C:\Users\Admin\AppData\Roaming\AquaInternal.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2368

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\Microsoft\CLR_v4.0\UsageLogs\AquaInternal.exe.log

Filesize
654B

MD5
2cbbb74b7da1f720b48ed31085cbd5b8

SHA1
79caa9a3ea8abe1b9c4326c3633da64a5f724964

SHA256
e31b18f21621d9983bfdf1ea3e53884a9d58b8ffd79e0e5790da6f3a81a8b9d3

SHA512
ecf02d5240e0c1c005d3ab393aa7eff62bd498c2db5905157e2bf6d29e1b663228a9583950842629d1a4caef404c8941a0c7799b1a3bd1eb890a09fdb7efcff9

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

Filesize
141KB

MD5
3767463ab4e7188e25cd9fbbe7c7c7c7

SHA1
c9fe79d1af207978143ff863ac6d3234af89419d

SHA256
9ec84d8659105a0d29434aa479ed843c6abe17ec502d2b116f3819a3f68eea8f

SHA512
1042364577faff11251f26248e7611e81c8ec3fa70e77b724a2e4390856479939e363d6a1c0dd1c561d23774f91dfbcd9e494a199051743728bec561818205ac

Download Submit
memory/1060-0-0x00007FF905B93000-0x00007FF905B95000-memory.dmp

Filesize
8KB

Download
memory/1060-1-0x00000000007F0000-0x0000000000818000-memory.dmp

Filesize
160KB

Download
memory/1060-10-0x00007FF905B90000-0x00007FF906652000-memory.dmp

Filesize
10.8MB

Download
memory/1060-11-0x00007FF905B93000-0x00007FF905B95000-memory.dmp

Filesize
8KB

Download
memory/1060-12-0x00007FF905B90000-0x00007FF906652000-memory.dmp

Filesize
10.8MB

Download
memory/2496-15-0x00007FF905B90000-0x00007FF906652000-memory.dmp

Filesize
10.8MB

Download
memory/2496-17-0x00007FF905B90000-0x00007FF906652000-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