xworm | 29bbe985c19803a61c9ca715304fa8fc510cf5fc89e0795e66c49228c21db723

General

Target

akt.exe
Size

1.7MB
MD5

d386565f65fd215007e08b79fad52eca
SHA1

79338a5a2a7b781fac4c622ac30d651773e6d87a
SHA256

29bbe985c19803a61c9ca715304fa8fc510cf5fc89e0795e66c49228c21db723
SHA512

af7bec33430431102717e9ac6330318cddb54bc917dae83ee803b5756e6d20ae1d88144e37305d9ae693b4eba22f620a6b6763b4d8876f6aa3c0c8d5cb1e5209
SSDEEP

49152:y2EYTb8atv1orq+pEiSDTj1VyvBaJ1yHdBvAnOx30KlhY33lSYHEz/N:PXbIrq4bvAn043UYH

Score

10^/10

xworm discovery execution rat spyware stealer trojan

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://kribyrisk.com/b/iyyeOkT.txt

Extracted

Family

xworm

Version

5.0

C2

192.3.182.92:7006

Mutex

Aoea1E8EjOSX7FRX

Attributes

install_file
USB.exe
telegram
https://api.telegram.org/bot7354302040:AAGtvn7bJzaK4r9WucDxDr6yGqWpSJhoF44

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/3760-31-0x0000000000A30000-0x0000000000A40000-memory.dmp	family_xworm

Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs

description	pid	Process	procid_target
PID 2260 created 3416	2260	InformationCheck.exe	56
PID 2260 created 3416	2260	InformationCheck.exe	56

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

Blocklisted process makes network request 1 IoCs

flow	pid	Process
2	3876	powershell.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 2 IoCs

pid	Process
2260	InformationCheck.exe
3760	jsc.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3876	powershell.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	InformationCheck.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jsc.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
3876	powershell.exe
3876	powershell.exe
2260	InformationCheck.exe
2260	InformationCheck.exe
2260	InformationCheck.exe
2260	InformationCheck.exe
2260	InformationCheck.exe
2260	InformationCheck.exe
2260	InformationCheck.exe
2260	InformationCheck.exe
2260	InformationCheck.exe
2260	InformationCheck.exe
2260	InformationCheck.exe
2260	InformationCheck.exe
2260	InformationCheck.exe
2260	InformationCheck.exe
2260	InformationCheck.exe
2260	InformationCheck.exe
2260	InformationCheck.exe
2260	InformationCheck.exe
2260	InformationCheck.exe
2260	InformationCheck.exe
2260	InformationCheck.exe
2260	InformationCheck.exe
3760	jsc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3876	powershell.exe
Token: SeDebugPrivilege	3760	jsc.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
1532	akt.exe
1532	akt.exe
1532	akt.exe
2260	InformationCheck.exe
2260	InformationCheck.exe
2260	InformationCheck.exe

Suspicious use of SendNotifyMessage 6 IoCs

pid	Process
1532	akt.exe
1532	akt.exe
1532	akt.exe
2260	InformationCheck.exe
2260	InformationCheck.exe
2260	InformationCheck.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3760	jsc.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1532 wrote to memory of 3876	1532	akt.exe	83
PID 1532 wrote to memory of 3876	1532	akt.exe	83
PID 3876 wrote to memory of 2260	3876	powershell.exe	88
PID 3876 wrote to memory of 2260	3876	powershell.exe	88
PID 3876 wrote to memory of 2260	3876	powershell.exe	88
PID 2260 wrote to memory of 864	2260	InformationCheck.exe	89
PID 2260 wrote to memory of 864	2260	InformationCheck.exe	89
PID 2260 wrote to memory of 864	2260	InformationCheck.exe	89
PID 2260 wrote to memory of 3760	2260	InformationCheck.exe	91
PID 2260 wrote to memory of 3760	2260	InformationCheck.exe	91
PID 2260 wrote to memory of 3760	2260	InformationCheck.exe	91
PID 2260 wrote to memory of 3760	2260	InformationCheck.exe	91
PID 2260 wrote to memory of 3760	2260	InformationCheck.exe	91

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3416
- C:\Users\Admin\AppData\Local\Temp\akt.exe
  "C:\Users\Admin\AppData\Local\Temp\akt.exe"
  2⤵
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:1532
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy Bypass -File "C:\Users\Public\ProfileDetails.ps1"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3876
  - - C:\Users\Public\InformationCheck.exe
      "C:\Users\Public\InformationCheck.exe" C:\Users\Public\Details.au3
      4⤵
      Suspicious use of NtCreateUserProcessOtherParentProcess
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of FindShellTrayWindow
      Suspicious use of SendNotifyMessage
      Suspicious use of WriteProcessMemory
      PID:2260
- C:\Windows\SysWOW64\cmd.exe
  cmd /k echo [InternetShortcut] > "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SwiftWrite.url" & echo URL="C:\Users\Admin\AppData\Local\WordGenius Technologies\SwiftWrite.js" >> "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SwiftWrite.url" & exit
  2⤵
  - Drops startup file
  - System Location Discovery: System Language Discovery
  PID:864
- C:\Users\Public\jsc.exe
  C:\Users\Public\jsc.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3760

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

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vwz4wgea.y5d.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Public\Details.au3

Filesize
521KB

MD5
b30e43fdb57379aaa9d84ded6ccdf768

SHA1
8325782f0b6e4bdde8f677bc39e0688d777cdd53

SHA256
07e4f9effc8cfcb9834afa29cbf044e590d19cd7e01dc0651fd44c25b0e1855f

SHA512
46cd6421510e42b805ad01bdcf5b07b14608bfead22f7b4cf8445cf64e926f8b346ca36f7536b3862717b4e7870828f19d3a81238462e5056385ebcd851d57fa

Download Submit
C:\Users\Public\InformationCheck.exe

Filesize
872KB

MD5
c56b5f0201a3b3de53e561fe76912bfd

SHA1
2a4062e10a5de813f5688221dbeb3f3ff33eb417

SHA256
237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d

SHA512
195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

Download Submit
C:\Users\Public\ProfileDetails.ps1

Filesize
353B

MD5
2e00e145a0e30edda9244c569132543f

SHA1
f10df462f470bea08174c334638e3bef6ce80989

SHA256
007ad9fe75a24cb4938f8f665d0da4569e10445bbc7d9bf4aa9d7f37ae3bcb67

SHA512
bac0431756fb1c1cc9f11c91042787193309699713f80d07f4d6aec6e3df237769ebcd8c884f3fab8a9c75ec2b7bc684f25ec59054ba12325a62a498f30ae1e6

Download Submit
C:\Users\Public\jsc.exe

Filesize
46KB

MD5
94c8e57a80dfca2482dedb87b93d4fd9

SHA1
5729e6c7d2f5ab760f0093b9d44f8ac0f876a803

SHA256
39e87f0edcdd15582cfefdfab1975aadd2c7ca1e3a5f07b1146ce3206f401bb5

SHA512
1798a3607b2b94732b52de51d2748c86f9453343b6d8a417e98e65ddb38e9198cdcb2f45bf60823cb429b312466b28c5103c7588f2c4ef69fa27bfdb4f4c67dc

Download Submit
memory/3760-39-0x0000000007650000-0x00000000079A0000-memory.dmp

Filesize
3.3MB

Download
memory/3760-38-0x00000000057A0000-0x00000000057AA000-memory.dmp

Filesize
40KB

Download
memory/3760-35-0x00000000057C0000-0x0000000005D64000-memory.dmp

Filesize
5.6MB

Download
memory/3760-37-0x0000000005490000-0x0000000005522000-memory.dmp

Filesize
584KB

Download
memory/3760-36-0x0000000005280000-0x00000000052E6000-memory.dmp

Filesize
408KB

Download
memory/3760-40-0x00000000093B0000-0x00000000093BE000-memory.dmp

Filesize
56KB

Download
memory/3760-31-0x0000000000A30000-0x0000000000A40000-memory.dmp

Filesize
64KB

Download
memory/3760-34-0x0000000005050000-0x00000000050EC000-memory.dmp

Filesize
624KB

Download
memory/3876-14-0x00007FFDFA570000-0x00007FFDFB031000-memory.dmp

Filesize
10.8MB

Download
memory/3876-22-0x00007FFDFA570000-0x00007FFDFB031000-memory.dmp

Filesize
10.8MB

Download
memory/3876-21-0x000002ACCBFD0000-0x000002ACCC1EC000-memory.dmp

Filesize
2.1MB

Download
memory/3876-2-0x00007FFDFA573000-0x00007FFDFA575000-memory.dmp

Filesize
8KB

Download
memory/3876-13-0x00007FFDFA570000-0x00007FFDFB031000-memory.dmp

Filesize
10.8MB

Download
memory/3876-12-0x000002ACC9ED0000-0x000002ACC9EF2000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads