umbral | 6ffec2e3e08096b1a19ed5cbb931590c3b0c2c5fef87c2f221bdf00099736fe1

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20250207-en
resource tags

arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
submitted
12-02-2025 16:41

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General

Target

XwormRAT-6ffec2e3e08096b1a19ed5cbb931590c3b0c2c5fef87c2f221bdf00099736fe1.exe
Size

325KB
MD5

7a52c4004cff0607cfb41514a8012304
SHA1

c2efe4e8378102db567520c9e6b8f8732ce078b7
SHA256

6ffec2e3e08096b1a19ed5cbb931590c3b0c2c5fef87c2f221bdf00099736fe1
SHA512

d61e7a2272a9898b19b53bc5f94f72a8bcaf079d974eadc92d1b14d7ff00323245c7db33274e630ef9d8441be4ae18f378de5ddfe0bf0d9486eaf4d19c78feef
SSDEEP

6144:y9Nue9jnROyTeAlUueYEL7AK52Z5+GaavsQXrJw8oB2XiOG:yfOyTeEUuLEL7D52ZQGB0QXrdA2X

Score

10^/10

umbral xworm discovery rat stealer trojan

Malware Config

Extracted

Family

xworm

flash-affordable.gl.at.ply.gg:64820

Attributes

Install_directory
%Temp%
install_file
SecurityHost.exe
telegram
https://api.telegram.org/bot7873282441:AAFVeYQ8VZCC3gF8qlaTYIz4N-gMEL21mHI/sendMessage?chat_id=7952080340

Signatures

Detect Umbral payload 2 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023e20-17.dat	family_umbral
behavioral2/memory/4668-25-0x000001F9CD220000-0x000001F9CD260000-memory.dmp	family_umbral

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/files/0x0009000000023dc0-6.dat	family_xworm
behavioral2/memory/3124-26-0x00000000000C0000-0x00000000000DC000-memory.dmp	family_xworm

Umbral
Umbral stealer is an opensource moduler stealer written in C#.
stealer umbral
Umbral family
umbral
Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
xworm

Downloads MZ/PE file 1 IoCs

flow	pid	Process
40	1840	Process not Found

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-194335498-2604837297-537231065-1000\Control Panel\International\Geo\Nation	XwormRAT-6ffec2e3e08096b1a19ed5cbb931590c3b0c2c5fef87c2f221bdf00099736fe1.exe

Executes dropped EXE 2 IoCs

pid	Process
3124	1.16.5.exe
4668	SystemHost.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.

flow	ioc
3	ip-api.com

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 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	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
5052	MicrosoftEdgeUpdate.exe

Suspicious use of AdjustPrivilegeToken 44 IoCs

description	pid	Process
Token: SeDebugPrivilege	3124	1.16.5.exe
Token: SeDebugPrivilege	4668	SystemHost.exe
Token: SeIncreaseQuotaPrivilege	1228	wmic.exe
Token: SeSecurityPrivilege	1228	wmic.exe
Token: SeTakeOwnershipPrivilege	1228	wmic.exe
Token: SeLoadDriverPrivilege	1228	wmic.exe
Token: SeSystemProfilePrivilege	1228	wmic.exe
Token: SeSystemtimePrivilege	1228	wmic.exe
Token: SeProfSingleProcessPrivilege	1228	wmic.exe
Token: SeIncBasePriorityPrivilege	1228	wmic.exe
Token: SeCreatePagefilePrivilege	1228	wmic.exe
Token: SeBackupPrivilege	1228	wmic.exe
Token: SeRestorePrivilege	1228	wmic.exe
Token: SeShutdownPrivilege	1228	wmic.exe
Token: SeDebugPrivilege	1228	wmic.exe
Token: SeSystemEnvironmentPrivilege	1228	wmic.exe
Token: SeRemoteShutdownPrivilege	1228	wmic.exe
Token: SeUndockPrivilege	1228	wmic.exe
Token: SeManageVolumePrivilege	1228	wmic.exe
Token: 33	1228	wmic.exe
Token: 34	1228	wmic.exe
Token: 35	1228	wmic.exe
Token: 36	1228	wmic.exe
Token: SeIncreaseQuotaPrivilege	1228	wmic.exe
Token: SeSecurityPrivilege	1228	wmic.exe
Token: SeTakeOwnershipPrivilege	1228	wmic.exe
Token: SeLoadDriverPrivilege	1228	wmic.exe
Token: SeSystemProfilePrivilege	1228	wmic.exe
Token: SeSystemtimePrivilege	1228	wmic.exe
Token: SeProfSingleProcessPrivilege	1228	wmic.exe
Token: SeIncBasePriorityPrivilege	1228	wmic.exe
Token: SeCreatePagefilePrivilege	1228	wmic.exe
Token: SeBackupPrivilege	1228	wmic.exe
Token: SeRestorePrivilege	1228	wmic.exe
Token: SeShutdownPrivilege	1228	wmic.exe
Token: SeDebugPrivilege	1228	wmic.exe
Token: SeSystemEnvironmentPrivilege	1228	wmic.exe
Token: SeRemoteShutdownPrivilege	1228	wmic.exe
Token: SeUndockPrivilege	1228	wmic.exe
Token: SeManageVolumePrivilege	1228	wmic.exe
Token: 33	1228	wmic.exe
Token: 34	1228	wmic.exe
Token: 35	1228	wmic.exe
Token: 36	1228	wmic.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 3124	1720	XwormRAT-6ffec2e3e08096b1a19ed5cbb931590c3b0c2c5fef87c2f221bdf00099736fe1.exe	86
PID 1720 wrote to memory of 3124	1720	XwormRAT-6ffec2e3e08096b1a19ed5cbb931590c3b0c2c5fef87c2f221bdf00099736fe1.exe	86
PID 1720 wrote to memory of 4668	1720	XwormRAT-6ffec2e3e08096b1a19ed5cbb931590c3b0c2c5fef87c2f221bdf00099736fe1.exe	87
PID 1720 wrote to memory of 4668	1720	XwormRAT-6ffec2e3e08096b1a19ed5cbb931590c3b0c2c5fef87c2f221bdf00099736fe1.exe	87
PID 4668 wrote to memory of 1228	4668	SystemHost.exe	90
PID 4668 wrote to memory of 1228	4668	SystemHost.exe	90

C:\Users\Admin\AppData\Local\Temp\XwormRAT-6ffec2e3e08096b1a19ed5cbb931590c3b0c2c5fef87c2f221bdf00099736fe1.exe
"C:\Users\Admin\AppData\Local\Temp\XwormRAT-6ffec2e3e08096b1a19ed5cbb931590c3b0c2c5fef87c2f221bdf00099736fe1.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Users\Admin\AppData\Roaming\1.16.5.exe
  "C:\Users\Admin\AppData\Roaming\1.16.5.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:3124
- C:\Users\Admin\AppData\Roaming\SystemHost.exe
  "C:\Users\Admin\AppData\Roaming\SystemHost.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4668
- - C:\Windows\System32\Wbem\wmic.exe
    "wmic.exe" csproduct get uuid
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1228

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI0IiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDcxNzgiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTY4MDM3MTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MDk4NzE0OTY4Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:5052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\1.16.5.exe

Filesize
85KB

MD5
de41de455bae5508ee71e7f819191ec9

SHA1
a892ea505794b1d466ef9a90a3482def3acaacff

SHA256
0e0e4fcd0f1183c9d9367f2617d43685bc42f47d0ec6730d32352b0c83376a90

SHA512
641d1d55311393d33e53e655be4d3e5841cf4e5bd65046acd504e8fa98b0fc1d623339f2e59b6e6524df9dba7bbe3c606e45096edb42ab93fbd7264168e9cf34

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

Filesize
227KB

MD5
e07b0bddb4e6c86e0e565ec1623d35c4

SHA1
11bc4bb5b2af5633a50c2bfb6b1b9b23b7f27fc7

SHA256
35c09de560097ccb637a089452552fcd8313dcb4a75e9a85c60501b35e477f9f

SHA512
3af156d2b01cd43f01843ae3335ad0603a5d86196f04bc2b49467060b4a761f10ec11222dbdb3bb5e1387921e0113b10e629e35945bf6f192fc6140e5b3a036e

Download Submit
memory/1720-0-0x00007FF847233000-0x00007FF847235000-memory.dmp

Filesize
8KB

Download
memory/1720-1-0x0000000000DD0000-0x0000000000E28000-memory.dmp

Filesize
352KB

Download
memory/3124-26-0x00000000000C0000-0x00000000000DC000-memory.dmp

Filesize
112KB

Download
memory/3124-27-0x00007FF847230000-0x00007FF847CF1000-memory.dmp

Filesize
10.8MB

Download
memory/3124-31-0x00007FF847230000-0x00007FF847CF1000-memory.dmp

Filesize
10.8MB

Download
memory/3124-32-0x00007FF847230000-0x00007FF847CF1000-memory.dmp

Filesize
10.8MB

Download
memory/4668-25-0x000001F9CD220000-0x000001F9CD260000-memory.dmp

Filesize
256KB

Download
memory/4668-28-0x00007FF847230000-0x00007FF847CF1000-memory.dmp

Filesize
10.8MB

Download
memory/4668-30-0x00007FF847230000-0x00007FF847CF1000-memory.dmp

Filesize
10.8MB

Download