xworm | 4a6df15417ae2e2bfe6b0e79253e2761990c8ffed763f43dbad9e73ecd1ed8e6

Reason

Machine shutdown

General

Target

AkrienPremiumLoader.exe
Size

9.1MB
MD5

c63ef10a19d43d9dc24897ea3119fb00
SHA1

2880eb28dc691ea1c7acffd2f90552519224d1ac
SHA256

4a6df15417ae2e2bfe6b0e79253e2761990c8ffed763f43dbad9e73ecd1ed8e6
SHA512

0a2531cdb7f92119347e7322f36affdf8fbbdc892ef39d3e020a681e721eb5be6f52498ba5cd63e6fcdc31b0e73eaef346fc4ee5a07ea362494c9a977309d191
SSDEEP

196608:/qwXbIT0riBQ0hM9ADP4oil2jPmbQ/l8tw5sgXxrUtN9MC2VXZyKP6QVL6RLb:QTLNQAj4obN/GAxwT9kVX7BC

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

19.ip.gl.ply.gg:26909

Mutex

Q4KM2Egw4gGLXedv

Attributes

Install_directory
%AppData%
install_file
svchost.exe
telegram
https://api.telegram.org/bot7470818768:AAEb9517MwYc6ADWJM3v8A0fACinKtlgU7w/sendMessage?chat_id=6521445724

aes.plain

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/files/0x00070000000233f8-6.dat	family_xworm
behavioral1/memory/3956-17-0x0000000000AF0000-0x0000000000B00000-memory.dmp	family_xworm

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

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1332	powershell.exe
3384	powershell.exe
404	powershell.exe
4392	powershell.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation	AkrienPremiumLoader.exe
Key value queried	\REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation	svchost.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 2 IoCs

pid	Process
3956	svchost.exe
4532	Loader.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
22	ip-api.com

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4532	Loader.exe

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

System Information Discovery
T1082
Detected Akrien Game Cheat
Akrien.wtf is a cheat program for a selection of online PC games.

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "156"	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
4532	Loader.exe
4532	Loader.exe
3384	powershell.exe
3384	powershell.exe
404	powershell.exe
404	powershell.exe
4392	powershell.exe
4392	powershell.exe
1332	powershell.exe
1332	powershell.exe
3956	svchost.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3956	svchost.exe
Token: SeDebugPrivilege	3384	powershell.exe
Token: SeDebugPrivilege	404	powershell.exe
Token: SeDebugPrivilege	4392	powershell.exe
Token: SeDebugPrivilege	1332	powershell.exe
Token: SeDebugPrivilege	3956	svchost.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4532	Loader.exe
3956	svchost.exe
1292	LogonUI.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 3956	2216	AkrienPremiumLoader.exe	87
PID 2216 wrote to memory of 3956	2216	AkrienPremiumLoader.exe	87
PID 2216 wrote to memory of 4532	2216	AkrienPremiumLoader.exe	89
PID 2216 wrote to memory of 4532	2216	AkrienPremiumLoader.exe	89
PID 3956 wrote to memory of 3384	3956	svchost.exe	92
PID 3956 wrote to memory of 3384	3956	svchost.exe	92
PID 3956 wrote to memory of 404	3956	svchost.exe	94
PID 3956 wrote to memory of 404	3956	svchost.exe	94
PID 3956 wrote to memory of 4392	3956	svchost.exe	96
PID 3956 wrote to memory of 4392	3956	svchost.exe	96
PID 3956 wrote to memory of 1332	3956	svchost.exe	98
PID 3956 wrote to memory of 1332	3956	svchost.exe	98

C:\Users\Admin\AppData\Local\Temp\AkrienPremiumLoader.exe
"C:\Users\Admin\AppData\Local\Temp\AkrienPremiumLoader.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
  2⤵
  - Checks computer location settings
  - Drops startup file
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3956
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\svchost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3384
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:404
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\svchost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4392
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1332
- C:\Users\Admin\AppData\Local\Temp\Loader.exe
  "C:\Users\Admin\AppData\Local\Temp\Loader.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:4532

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa394c055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:1292

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
77d622bb1a5b250869a3238b9bc1402b

SHA1
d47f4003c2554b9dfc4c16f22460b331886b191b

SHA256
f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

SHA512
d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
22310ad6749d8cc38284aa616efcd100

SHA1
440ef4a0a53bfa7c83fe84326a1dff4326dcb515

SHA256
55b1d8021c4eb4c3c0d75e3ed7a4eb30cd0123e3d69f32eeb596fe4ffec05abf

SHA512
2ef08e2ee15bb86695fe0c10533014ffed76ececc6e579d299d3365fafb7627f53e32e600bb6d872b9f58aca94f8cb7e1e94cdfd14777527f7f0aa019d9c6def

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
d8cb3e9459807e35f02130fad3f9860d

SHA1
5af7f32cb8a30e850892b15e9164030a041f4bd6

SHA256
2b139c74072ccbdaa17b950f32a6dbc934dfb7af9973d97c9b0d9c498012ba68

SHA512
045239ba31367fbdd59e883f74eafc05724e23bd6e8f0c1e7171ea2496a497eb9e0cfcb57285bb81c4d569daadba43d6ef64c626ca48f1e2a59e8d97f0cc9184

Download Submit
C:\Users\Admin\AppData\Local\Temp\Loader.exe

Filesize
9.0MB

MD5
830511d481d3b0d9e73f8475159ebee3

SHA1
b1e8c1ff729bee0b8b25030ad93c8076ae455912

SHA256
11ff80946d298ed531925658f63fd09dfb3a9d6c4a36cee57bbe569b9e378be4

SHA512
36286bebd361d66dc7213dad9d09b218a98a3cf756d22962c5992ed67b86099c9865a3f7c2b5b240ffee87ec9c273454314f08df51410f0f916c38209ab4d199

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_domwfgp0.wyf.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
41KB

MD5
c7828304c1c6d941e4c02c1112fc11e8

SHA1
0b1b9d4dba6df2c0a4d5d6dc2d26f96c71eab203

SHA256
7be67a91c4c835bc3aa8eb83b56bc01237c8422c74cba584c74ec312af844da4

SHA512
8dbfb6fdcce553146d6e7b834cbdc8417b064b2b046fd67f624d38de5cf9b627e65870fe584ca84e30bc5c9134a9389c0501f8f3dc590093f8c39aef6ee61fb5

Download Submit
memory/3384-43-0x0000029BC2A30000-0x0000029BC2A52000-memory.dmp

Filesize
136KB

Download
memory/3956-17-0x0000000000AF0000-0x0000000000B00000-memory.dmp

Filesize
64KB

Download
memory/3956-16-0x00007FF8829A3000-0x00007FF8829A5000-memory.dmp

Filesize
8KB

Download
memory/3956-88-0x00007FF8829A3000-0x00007FF8829A5000-memory.dmp

Filesize
8KB

Download
memory/4532-24-0x00007FF8A1A40000-0x00007FF8A1A42000-memory.dmp

Filesize
8KB

Download
memory/4532-26-0x0000000140000000-0x0000000141131000-memory.dmp

Filesize
17.2MB

Download
memory/4532-23-0x00007FF8A1A30000-0x00007FF8A1A32000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

Errors