xworm | 9b752a8369dc49b5fb2164b2b2e9f2ab7c7e8a3f0d99ed38edd7745cc4004236

General

Target

TGX.exe
Size

38KB
MD5

ee272fb8a6844eb8b30f35614f0baa1f
SHA1

48be70669ce639e648fca442892f458c8729aca0
SHA256

9b752a8369dc49b5fb2164b2b2e9f2ab7c7e8a3f0d99ed38edd7745cc4004236
SHA512

341287070bd21cb60e012473837c54d8cb7f8b322adec81f71215cd86a2116fadcafee44c518f0ba27863c7d0490dd77e23695f55612af0cc03c4a3646f1d785
SSDEEP

768:DzpMBIG6sJLIuv+044PF5Ph9tbkOwhnICFYCgc/:P6PDLfdFD9t4OwW8zJ

Score

10^/10

xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

C2

browser-bangladesh.at.ply.gg:14018

Mutex

Dmpd64MhhEQE1POv

Attributes

install_file
USB.exe

aes.plain

Signatures

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

TGX.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation TGX.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation	TGX.exe

Drops startup file 2 IoCs

Processes:

TGX.exe

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

Executes dropped EXE 3 IoCs

Processes:

TGX.exeTGX.exeTGX.exe

pid process

2032 TGX.exe
496 TGX.exe
2616 TGX.exe

pid	process
2032	TGX.exe
496	TGX.exe
2616	TGX.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

TGX.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TGX = "C:\\Users\\Admin\\AppData\\Roaming\\TGX.exe"	TGX.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 ip-api.com
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

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
T1053

Processes:

schtasks.exe

pid process

1068 schtasks.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

TGX.exe

pid process

3332 TGX.exe

flow	ioc
4	ip-api.com

pid	process
1068	schtasks.exe

pid	process
3332	TGX.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

TGX.exeTGX.exeTGX.exeTGX.exe

description	pid	process
Token: SeDebugPrivilege	3332	TGX.exe
Token: SeDebugPrivilege	3332	TGX.exe
Token: SeDebugPrivilege	2032	TGX.exe
Token: SeDebugPrivilege	496	TGX.exe
Token: SeDebugPrivilege	2616	TGX.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

TGX.exe

pid process

3332 TGX.exe
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

TGX.exe

description pid process target process

PID 3332 wrote to memory of 1068 3332 TGX.exe schtasks.exe
PID 3332 wrote to memory of 1068 3332 TGX.exe schtasks.exe
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

pid	process
3332	TGX.exe

description	pid	process	target process
PID 3332 wrote to memory of 1068	3332	TGX.exe	schtasks.exe
PID 3332 wrote to memory of 1068	3332	TGX.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\TGX.exe
"C:\Users\Admin\AppData\Local\Temp\TGX.exe"
1⤵
- Checks computer location settings
- 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:3332

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "TGX" /tr "C:\Users\Admin\AppData\Roaming\TGX.exe"
2⤵
- Creates scheduled task(s)
PID:1068

C:\Users\Admin\AppData\Roaming\TGX.exe
C:\Users\Admin\AppData\Roaming\TGX.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2032

C:\Users\Admin\AppData\Roaming\TGX.exe
C:\Users\Admin\AppData\Roaming\TGX.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:496

C:\Users\Admin\AppData\Roaming\TGX.exe
C:\Users\Admin\AppData\Roaming\TGX.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2616

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\TGX.exe.log
Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

Download Submit
C:\Users\Admin\AppData\Roaming\TGX.exe
Filesize
38KB

MD5
ee272fb8a6844eb8b30f35614f0baa1f

SHA1
48be70669ce639e648fca442892f458c8729aca0

SHA256
9b752a8369dc49b5fb2164b2b2e9f2ab7c7e8a3f0d99ed38edd7745cc4004236

SHA512
341287070bd21cb60e012473837c54d8cb7f8b322adec81f71215cd86a2116fadcafee44c518f0ba27863c7d0490dd77e23695f55612af0cc03c4a3646f1d785

Download Submit
C:\Users\Admin\AppData\Roaming\TGX.exe
Filesize
38KB

MD5
ee272fb8a6844eb8b30f35614f0baa1f

SHA1
48be70669ce639e648fca442892f458c8729aca0

SHA256
9b752a8369dc49b5fb2164b2b2e9f2ab7c7e8a3f0d99ed38edd7745cc4004236

SHA512
341287070bd21cb60e012473837c54d8cb7f8b322adec81f71215cd86a2116fadcafee44c518f0ba27863c7d0490dd77e23695f55612af0cc03c4a3646f1d785

Download Submit
C:\Users\Admin\AppData\Roaming\TGX.exe
Filesize
38KB

MD5
ee272fb8a6844eb8b30f35614f0baa1f

SHA1
48be70669ce639e648fca442892f458c8729aca0

SHA256
9b752a8369dc49b5fb2164b2b2e9f2ab7c7e8a3f0d99ed38edd7745cc4004236

SHA512
341287070bd21cb60e012473837c54d8cb7f8b322adec81f71215cd86a2116fadcafee44c518f0ba27863c7d0490dd77e23695f55612af0cc03c4a3646f1d785

Download Submit
C:\Users\Admin\AppData\Roaming\TGX.exe
Filesize
38KB

MD5
ee272fb8a6844eb8b30f35614f0baa1f

SHA1
48be70669ce639e648fca442892f458c8729aca0

SHA256
9b752a8369dc49b5fb2164b2b2e9f2ab7c7e8a3f0d99ed38edd7745cc4004236

SHA512
341287070bd21cb60e012473837c54d8cb7f8b322adec81f71215cd86a2116fadcafee44c518f0ba27863c7d0490dd77e23695f55612af0cc03c4a3646f1d785

Download Submit
C:\Users\Admin\AppData\Roaming\TGX.exe
Filesize
38KB

MD5
ee272fb8a6844eb8b30f35614f0baa1f

SHA1
48be70669ce639e648fca442892f458c8729aca0

SHA256
9b752a8369dc49b5fb2164b2b2e9f2ab7c7e8a3f0d99ed38edd7745cc4004236

SHA512
341287070bd21cb60e012473837c54d8cb7f8b322adec81f71215cd86a2116fadcafee44c518f0ba27863c7d0490dd77e23695f55612af0cc03c4a3646f1d785

Download Submit
memory/3332-133-0x0000000000330000-0x0000000000340000-memory.dmp

Filesize
64KB

Download
memory/3332-134-0x0000000000BD0000-0x0000000000BE0000-memory.dmp

Filesize
64KB

Download
memory/3332-143-0x0000000000BD0000-0x0000000000BE0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads