xworm | ec1684dc17f4518c984b32b42433db09eb8a9d3d38040ce1467f3d7d6d25606d

Analysis

max time kernel
135s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/09/2024, 03:44

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General

Target

39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe
Size

501KB
MD5

6b34408cb796d4e16a6caa577ebce6b9
SHA1

f011ab355ac5a00204c033f3ac73848f6ce4c0ee
SHA256

39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a
SHA512

344defa68966df547a0504ee221a2037f737d469e0c496009209f9334589f0f73ac69226bb74ea60eb116332ccaefa0d5c1f8972a5b9d34628d9bfcc4147ea84
SSDEEP

12288:E2iNErX80k+laBnUISbE0u9QgYZoXONvIGc2:E1ij8v+MKjbE0ul+Nx

Score

10^/10

xworm discovery execution rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

91.92.120.13:7099

Mutex

ZCamGCh7lBqmpyCR

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/3316-31-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm

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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
1328	powershell.exe
1164	powershell.exe

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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4036 set thread context of 3316	4036	39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe	108

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 5 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	39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe

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
3752	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
4036	39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe
4036	39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe
1164	powershell.exe
1164	powershell.exe
1328	powershell.exe
1328	powershell.exe
4036	39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe
1164	powershell.exe
1328	powershell.exe
3316	39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe
3316	39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4036	39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe
Token: SeDebugPrivilege	1328	powershell.exe
Token: SeDebugPrivilege	1164	powershell.exe
Token: SeDebugPrivilege	3316	39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3316	39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4036 wrote to memory of 1328	4036	39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe	102
PID 4036 wrote to memory of 1328	4036	39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe	102
PID 4036 wrote to memory of 1328	4036	39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe	102
PID 4036 wrote to memory of 1164	4036	39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe	104
PID 4036 wrote to memory of 1164	4036	39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe	104
PID 4036 wrote to memory of 1164	4036	39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe	104
PID 4036 wrote to memory of 3752	4036	39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe	106
PID 4036 wrote to memory of 3752	4036	39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe	106
PID 4036 wrote to memory of 3752	4036	39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe	106
PID 4036 wrote to memory of 3316	4036	39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe	108
PID 4036 wrote to memory of 3316	4036	39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe	108
PID 4036 wrote to memory of 3316	4036	39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe	108
PID 4036 wrote to memory of 3316	4036	39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe	108
PID 4036 wrote to memory of 3316	4036	39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe	108
PID 4036 wrote to memory of 3316	4036	39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe	108
PID 4036 wrote to memory of 3316	4036	39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe	108
PID 4036 wrote to memory of 3316	4036	39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe	108

C:\Users\Admin\AppData\Local\Temp\39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe
"C:\Users\Admin\AppData\Local\Temp\39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4036
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1328
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\DTEmeRxUBaLqyA.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1164
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DTEmeRxUBaLqyA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8FB8.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3752
- C:\Users\Admin\AppData\Local\Temp\39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe
  "C:\Users\Admin\AppData\Local\Temp\39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3316

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4076,i,16316361669272684588,6171287487746154806,262144 --variations-seed-version --mojo-platform-channel-handle=4128 /prefetch:8
1⤵
PID:1396

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

Filesize
18KB

MD5
bfb5c166de6ed1ecfcfc079a100d0ded

SHA1
566f98f1cbeedbebc874c8590c6d97bca0bfbdf0

SHA256
077db2edc06a286a969d1d7cf50142570b5179bb635a3a2ec82e3cb3bf83e66e

SHA512
dd4ca36bfd82f4fc71d34531b9667b82debfee93e02686b8ac72f0776b5456e642d311ea38cdd1dee2648239d03ded494e2dbdc276912e8d8933b4d99ce9b94c

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_p1okfixv.vom.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8FB8.tmp

Filesize
1KB

MD5
ab883fa3d1b6d0510c65bdd9f4b8eba4

SHA1
1d60ffdcd30cdec633620bf668ee9856a4ea236e

SHA256
d6664b3da4cc7736ce46a23007b33a537347f996eb0d35299a5dbc698f487db1

SHA512
5035d1df5bdbfc5d06052bbf6085d922ed842d9066cb9bd46cf5ab0741a07edfa138e1be06ee1d225f9c5aa32cca60532251c955d1de3c8725fbbdc2f4e2f5e4

Download Submit
memory/1164-74-0x0000000006FE0000-0x0000000007083000-memory.dmp

Filesize
652KB

Download
memory/1164-52-0x0000000006FA0000-0x0000000006FD2000-memory.dmp

Filesize
200KB

Download
memory/1164-78-0x00000000073A0000-0x0000000007436000-memory.dmp

Filesize
600KB

Download
memory/1164-77-0x0000000007190000-0x000000000719A000-memory.dmp

Filesize
40KB

Download
memory/1164-76-0x0000000007120000-0x000000000713A000-memory.dmp

Filesize
104KB

Download
memory/1164-75-0x0000000007760000-0x0000000007DDA000-memory.dmp

Filesize
6.5MB

Download
memory/1164-82-0x0000000007460000-0x000000000747A000-memory.dmp

Filesize
104KB

Download
memory/1164-72-0x00000000063E0000-0x00000000063FE000-memory.dmp

Filesize
120KB

Download
memory/1164-53-0x0000000074D40000-0x0000000074D8C000-memory.dmp

Filesize
304KB

Download
memory/1164-79-0x0000000007320000-0x0000000007331000-memory.dmp

Filesize
68KB

Download
memory/1164-51-0x0000000005E80000-0x0000000005ECC000-memory.dmp

Filesize
304KB

Download
memory/1164-50-0x0000000005DD0000-0x0000000005DEE000-memory.dmp

Filesize
120KB

Download
memory/1164-20-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/1164-90-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/1164-49-0x0000000005920000-0x0000000005C74000-memory.dmp

Filesize
3.3MB

Download
memory/1164-24-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/1164-21-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/1328-16-0x0000000004760000-0x0000000004796000-memory.dmp

Filesize
216KB

Download
memory/1328-80-0x0000000007260000-0x000000000726E000-memory.dmp

Filesize
56KB

Download
memory/1328-38-0x0000000005740000-0x00000000057A6000-memory.dmp

Filesize
408KB

Download
memory/1328-37-0x00000000058A0000-0x0000000005906000-memory.dmp

Filesize
408KB

Download
memory/1328-89-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/1328-83-0x0000000007350000-0x0000000007358000-memory.dmp

Filesize
32KB

Download
memory/1328-23-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/1328-19-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/1328-18-0x0000000004E50000-0x0000000005478000-memory.dmp

Filesize
6.2MB

Download
memory/1328-17-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/1328-54-0x0000000074D40000-0x0000000074D8C000-memory.dmp

Filesize
304KB

Download
memory/1328-81-0x0000000007270000-0x0000000007284000-memory.dmp

Filesize
80KB

Download
memory/1328-30-0x0000000005570000-0x0000000005592000-memory.dmp

Filesize
136KB

Download
memory/3316-31-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4036-7-0x00000000744BE000-0x00000000744BF000-memory.dmp

Filesize
4KB

Download
memory/4036-8-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/4036-10-0x00000000081B0000-0x0000000008200000-memory.dmp

Filesize
320KB

Download
memory/4036-6-0x0000000005470000-0x000000000548A000-memory.dmp

Filesize
104KB

Download
memory/4036-5-0x0000000005120000-0x000000000512A000-memory.dmp

Filesize
40KB

Download
memory/4036-11-0x00000000080F0000-0x000000000818C000-memory.dmp

Filesize
624KB

Download
memory/4036-0-0x00000000744BE000-0x00000000744BF000-memory.dmp

Filesize
4KB

Download
memory/4036-4-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/4036-9-0x0000000005430000-0x0000000005440000-memory.dmp

Filesize
64KB

Download
memory/4036-3-0x0000000005040000-0x00000000050D2000-memory.dmp

Filesize
584KB

Download
memory/4036-2-0x00000000056C0000-0x0000000005C64000-memory.dmp

Filesize
5.6MB

Download
memory/4036-1-0x00000000005E0000-0x0000000000664000-memory.dmp

Filesize
528KB

Download
memory/4036-48-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download