xworm | 960a1e9255d8f5736ee0c961996c57591477b2d921179fce4218b238fddb7e05

Analysis

max time kernel
1050s
max time network
451s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
18/02/2024, 05:53

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General

Target

MercuryLoader.exe
Size

60KB
MD5

777f73431af0a505c7d4387ee242f698
SHA1

bfcdf1c3bc616a6673b6fbbac2b32c35f28f566f
SHA256

960a1e9255d8f5736ee0c961996c57591477b2d921179fce4218b238fddb7e05
SHA512

27dbace75ed799b6390e9e4073f47d1e37cada687b035659716eb427c25e7ee2170f9cd547306f4d70d707153efc490f2d6425b484765491ad056d53b388fb74
SSDEEP

1536:kmpGMfluXxdjx6mDHUxLnKmOkb9KjUazn8+6LEKnLOV7KaNER:8MtuBdNA0Tkb8s7FLOV7JCR

Score

10^/10

xworm rat trojan

Malware Config

Extracted

Family

xworm

funut-47702.portmap.io:47702

Attributes

Install_directory
%Userprofile%
install_file
MicrosoftLiveDriver.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/3036-0-0x0000000000F90000-0x0000000000FA6000-memory.dmp	family_xworm

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	MercuryLoader.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 1 IoCs

pid	Process
1884	arvrjd.exe

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

System Information Discovery
T1082

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "162"	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\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	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
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\AccentColor = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1856	powershell.exe
1856	powershell.exe
3724	powershell.exe
3724	powershell.exe
2324	powershell.exe
2324	powershell.exe
4144	powershell.exe
4144	powershell.exe

Suspicious behavior: LoadsDriver 64 IoCs

pid	Process
4916	Process not Found
1136	Process not Found
3692	Process not Found
2444	Process not Found
4132	Process not Found
3164	Process not Found
4816	Process not Found
4000	Process not Found
5044	Process not Found
4064	Process not Found
4796	Process not Found
1048	Process not Found
2624	Process not Found
2504	Process not Found
1900	Process not Found
1624	Process not Found
1856	Process not Found
3640	Process not Found
4956	Process not Found
2936	Process not Found
2812	Process not Found
1492	Process not Found
4976	Process not Found
2680	Process not Found
2112	Process not Found
2920	Process not Found
4860	Process not Found
464	Process not Found
4124	Process not Found
3192	Process not Found
2572	Process not Found
2392	Process not Found
4580	Process not Found
4968	Process not Found
3816	Process not Found
960	Process not Found
1600	Process not Found
4972	Process not Found
3292	Process not Found
3684	Process not Found
1964	Process not Found
3456	Process not Found
2244	Process not Found
4536	Process not Found
4292	Process not Found
4468	Process not Found
1984	Process not Found
3180	Process not Found
2372	Process not Found
1524	Process not Found
3928	Process not Found
528	Process not Found
836	Process not Found
3952	Process not Found
4140	Process not Found
3688	Process not Found
2064	Process not Found
2672	Process not Found
4664	Process not Found
388	Process not Found
4768	Process not Found
976	Process not Found
2668	Process not Found
2612	Process not Found

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	3036	MercuryLoader.exe
Token: SeDebugPrivilege	1856	powershell.exe
Token: SeDebugPrivilege	3724	powershell.exe
Token: SeDebugPrivilege	2324	powershell.exe
Token: SeDebugPrivilege	4144	powershell.exe
Token: SeDebugPrivilege	3036	MercuryLoader.exe
Token: 33	3588	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	3588	AUDIODG.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4376	LogonUI.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3036 wrote to memory of 1856	3036	MercuryLoader.exe	83
PID 3036 wrote to memory of 1856	3036	MercuryLoader.exe	83
PID 3036 wrote to memory of 3724	3036	MercuryLoader.exe	85
PID 3036 wrote to memory of 3724	3036	MercuryLoader.exe	85
PID 3036 wrote to memory of 2324	3036	MercuryLoader.exe	88
PID 3036 wrote to memory of 2324	3036	MercuryLoader.exe	88
PID 3036 wrote to memory of 4144	3036	MercuryLoader.exe	90
PID 3036 wrote to memory of 4144	3036	MercuryLoader.exe	90
PID 3036 wrote to memory of 1884	3036	MercuryLoader.exe	100
PID 3036 wrote to memory of 1884	3036	MercuryLoader.exe	100
PID 3036 wrote to memory of 1884	3036	MercuryLoader.exe	100
PID 3036 wrote to memory of 1972	3036	MercuryLoader.exe	101
PID 3036 wrote to memory of 1972	3036	MercuryLoader.exe	101

C:\Users\Admin\AppData\Local\Temp\MercuryLoader.exe
"C:\Users\Admin\AppData\Local\Temp\MercuryLoader.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3036
- 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\MercuryLoader.exe'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1856
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'MercuryLoader.exe'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3724
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\MicrosoftLiveDriver.exe'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2324
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'MicrosoftLiveDriver.exe'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4144
- C:\Users\Admin\AppData\Local\Temp\arvrjd.exe
  "C:\Users\Admin\AppData\Local\Temp\arvrjd.exe"
  2⤵
  - Executes dropped EXE
  PID:1884
- C:\Windows\SYSTEM32\shutdown.exe
  shutdown.exe -L
  2⤵
  PID:1972

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x2f4 0x2ec
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3588

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39b0055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:4376

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

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
d28a889fd956d5cb3accfbaf1143eb6f

SHA1
157ba54b365341f8ff06707d996b3635da8446f7

SHA256
21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45

SHA512
0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c

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

Filesize
944B

MD5
eb1ad317bd25b55b2bbdce8a28a74a94

SHA1
98a3978be4d10d62e7411946474579ee5bdc5ea6

SHA256
9e94e7c9ac6134ee30e79498558aa1a5a1ac79a643666c3f8922eed215dd3a98

SHA512
d011f266c0240d84470c0f9577cd9e4927309bd19bb38570ca9704ed8e1d159f9bea982a59d3eefef72ce7a10bd81208b82e88ef57c7af587f7437a89769adc0

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\Temp\__PSScriptPolicyTest_fbswkqus.fkm.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
131KB

MD5
bd65d387482def1fe00b50406f731763

SHA1
d06a2ba2e29228f443f97d1dd3a8da5dd7df5903

SHA256
1ab7375550516d7445c47fd9b551ed864f227401a14ff3f1ff0d70caca3bd997

SHA512
351ecd109c4d49bc822e8ade73a9516c4a531ebcda63546c155e677dcff19708068dc588b2fcf30cad086238e8b206fc5f349d37dda02d3c3a8d9b570d92e4d9

Download Submit
memory/1856-2-0x000002A5DEEC0000-0x000002A5DEEE2000-memory.dmp

Filesize
136KB

Download
memory/1856-12-0x00007FF9749F0000-0x00007FF9754B1000-memory.dmp

Filesize
10.8MB

Download
memory/1856-13-0x000002A5DEE60000-0x000002A5DEE70000-memory.dmp

Filesize
64KB

Download
memory/1856-14-0x000002A5DEE60000-0x000002A5DEE70000-memory.dmp

Filesize
64KB

Download
memory/1856-17-0x00007FF9749F0000-0x00007FF9754B1000-memory.dmp

Filesize
10.8MB

Download
memory/2324-44-0x00007FF9749F0000-0x00007FF9754B1000-memory.dmp

Filesize
10.8MB

Download
memory/2324-46-0x00000207C7B20000-0x00000207C7B30000-memory.dmp

Filesize
64KB

Download
memory/2324-45-0x00000207C7B20000-0x00000207C7B30000-memory.dmp

Filesize
64KB

Download
memory/2324-47-0x00000207C7B20000-0x00000207C7B30000-memory.dmp

Filesize
64KB

Download
memory/2324-49-0x00007FF9749F0000-0x00007FF9754B1000-memory.dmp

Filesize
10.8MB

Download
memory/3036-69-0x0000000001760000-0x0000000001770000-memory.dmp

Filesize
64KB

Download
memory/3036-83-0x00007FF9749F0000-0x00007FF9754B1000-memory.dmp

Filesize
10.8MB

Download
memory/3036-0-0x0000000000F90000-0x0000000000FA6000-memory.dmp

Filesize
88KB

Download
memory/3036-1-0x00007FF9749F0000-0x00007FF9754B1000-memory.dmp

Filesize
10.8MB

Download
memory/3036-74-0x000000001C1A0000-0x000000001C22E000-memory.dmp

Filesize
568KB

Download
memory/3036-73-0x000000001BBB0000-0x000000001BBBC000-memory.dmp

Filesize
48KB

Download
memory/3036-71-0x0000000001760000-0x0000000001770000-memory.dmp

Filesize
64KB

Download
memory/3036-70-0x00007FF9749F0000-0x00007FF9754B1000-memory.dmp

Filesize
10.8MB

Download
memory/3724-31-0x000001785A4C0000-0x000001785A4D0000-memory.dmp

Filesize
64KB

Download
memory/3724-29-0x00007FF9749F0000-0x00007FF9754B1000-memory.dmp

Filesize
10.8MB

Download
memory/3724-30-0x000001785A4C0000-0x000001785A4D0000-memory.dmp

Filesize
64KB

Download
memory/3724-33-0x00007FF9749F0000-0x00007FF9754B1000-memory.dmp

Filesize
10.8MB

Download
memory/4144-64-0x00007FF9749F0000-0x00007FF9754B1000-memory.dmp

Filesize
10.8MB

Download
memory/4144-59-0x00007FF9749F0000-0x00007FF9754B1000-memory.dmp

Filesize
10.8MB

Download
memory/4144-60-0x00000151E3EF0000-0x00000151E3F00000-memory.dmp

Filesize
64KB

Download
memory/4144-61-0x00000151E3EF0000-0x00000151E3F00000-memory.dmp

Filesize
64KB

Download