xworm | ddfe0cfb0d6ff02a67de60e59a1f212403d075eb1afebccb7e21e094d463a33a

Resubmissions

18-11-2024 09:56

241118-lybc2atndv 10

18-11-2024 09:53

241118-lw2r7sypfn 10

Analysis

max time kernel
362s
max time network
364s
platform
windows7_x64
resource
win7-20240903-ja
resource tags

arch:x64arch:x86image:win7-20240903-jalocale:ja-jpos:windows7-x64systemwindows
submitted
18-11-2024 09:56

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General

Target

Admin Tools.rar.exe
Size

11.8MB
MD5

ddcffb7143bb8073f53391fd44159950
SHA1

e55cfccc6eefd6c8079f6e18459a3eb509107bd2
SHA256

ddfe0cfb0d6ff02a67de60e59a1f212403d075eb1afebccb7e21e094d463a33a
SHA512

1538f3ee18787485e727904eeac50ea6dbf207ff5aa61620223a33aa5c7c743d17c1ab9c499f04cb6e3954c28434f0dd01ef94412e2a62a94e77d9f996a8db27
SSDEEP

196608:lQXFWvrR+RBZuLVESPp94EMtwBVxCS8ns71EWradV3qAo5QiPZbdBD8h5sf0IfvB:l/URsVz2Z6BVxGmbeV3qc35sfFRf

Score

10^/10

xworm rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

127.0.0.1:7000

Mutex

FDifYDumKCtsXZEN

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/files/0x000c000000015db1-6.dat	family_xworm
behavioral1/memory/2748-8-0x0000000000140000-0x000000000014E000-memory.dmp	family_xworm

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

Executes dropped EXE 2 IoCs

pid	Process
2748	XClient.exe
1228	XClient.exe

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

System Information Discovery
T1082

Modifies registry class 14 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\text_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\text_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\text_auto_file\shell\open	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\text_auto_file\shell\open\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\.text	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\text_auto_file\shell\edit\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\text_auto_file\shell\open\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\text_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\.text\ = "text_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\text_auto_file\shell\edit	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_CLASSES\text_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
2928	vlc.exe
1912	vlc.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2928	vlc.exe
1912	vlc.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	2748	XClient.exe
Token: 33	2856	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2856	AUDIODG.EXE
Token: 33	2856	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2856	AUDIODG.EXE
Token: SeDebugPrivilege	1228	XClient.exe
Token: SeRestorePrivilege	1760	7zFM.exe
Token: 35	1760	7zFM.exe
Token: SeSecurityPrivilege	1760	7zFM.exe

Suspicious use of FindShellTrayWindow 30 IoCs

pid	Process
2928	vlc.exe
2928	vlc.exe
2928	vlc.exe
2928	vlc.exe
2928	vlc.exe
2928	vlc.exe
2928	vlc.exe
2928	vlc.exe
2928	vlc.exe
2928	vlc.exe
2928	vlc.exe
2928	vlc.exe
2928	vlc.exe
2928	vlc.exe
2928	vlc.exe
2928	vlc.exe
1912	vlc.exe
1912	vlc.exe
1912	vlc.exe
1912	vlc.exe
1912	vlc.exe
1912	vlc.exe
1912	vlc.exe
1912	vlc.exe
1912	vlc.exe
1912	vlc.exe
1912	vlc.exe
1760	7zFM.exe
1760	7zFM.exe
1760	7zFM.exe

Suspicious use of SendNotifyMessage 22 IoCs

pid	Process
2928	vlc.exe
2928	vlc.exe
2928	vlc.exe
2928	vlc.exe
2928	vlc.exe
2928	vlc.exe
2928	vlc.exe
2928	vlc.exe
2928	vlc.exe
2928	vlc.exe
2928	vlc.exe
2928	vlc.exe
2928	vlc.exe
2928	vlc.exe
1912	vlc.exe
1912	vlc.exe
1912	vlc.exe
1912	vlc.exe
1912	vlc.exe
1912	vlc.exe
1912	vlc.exe
1912	vlc.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2928	vlc.exe
1912	vlc.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2628 wrote to memory of 2796	2628	Admin Tools.rar.exe	30
PID 2628 wrote to memory of 2796	2628	Admin Tools.rar.exe	30
PID 2628 wrote to memory of 2796	2628	Admin Tools.rar.exe	30
PID 2628 wrote to memory of 2748	2628	Admin Tools.rar.exe	31
PID 2628 wrote to memory of 2748	2628	Admin Tools.rar.exe	31
PID 2628 wrote to memory of 2748	2628	Admin Tools.rar.exe	31
PID 2796 wrote to memory of 2704	2796	rundll32.exe	32
PID 2796 wrote to memory of 2704	2796	rundll32.exe	32
PID 2796 wrote to memory of 2704	2796	rundll32.exe	32
PID 2704 wrote to memory of 2928	2704	rundll32.exe	34
PID 2704 wrote to memory of 2928	2704	rundll32.exe	34
PID 2704 wrote to memory of 2928	2704	rundll32.exe	34
PID 2168 wrote to memory of 1912	2168	Admin Tools.rar.exe	41
PID 2168 wrote to memory of 1912	2168	Admin Tools.rar.exe	41
PID 2168 wrote to memory of 1912	2168	Admin Tools.rar.exe	41
PID 2168 wrote to memory of 1228	2168	Admin Tools.rar.exe	42
PID 2168 wrote to memory of 1228	2168	Admin Tools.rar.exe	42
PID 2168 wrote to memory of 1228	2168	Admin Tools.rar.exe	42
PID 1060 wrote to memory of 2268	1060	rundll32.exe	48
PID 1060 wrote to memory of 2268	1060	rundll32.exe	48
PID 1060 wrote to memory of 2268	1060	rundll32.exe	48

C:\Users\Admin\AppData\Local\Temp\Admin Tools.rar.exe
"C:\Users\Admin\AppData\Local\Temp\Admin Tools.rar.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2628
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Roaming\Admin Tools.rar
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2796
- - C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Roaming\Admin Tools.rar
    3⤵
    - Modifies registry class
    - Suspicious use of WriteProcessMemory
    PID:2704
  - - C:\Program Files\VideoLAN\VLC\vlc.exe
      "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Roaming\Admin Tools.rar"
      4⤵
      Suspicious behavior: AddClipboardFormatListener
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of FindShellTrayWindow
      Suspicious use of SendNotifyMessage
      Suspicious use of SetWindowsHookEx
      PID:2928
- C:\Users\Admin\AppData\Roaming\XClient.exe
  "C:\Users\Admin\AppData\Roaming\XClient.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2748

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:1644

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0xc8
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2856

C:\Users\Admin\AppData\Local\Temp\Admin Tools.rar.exe
"C:\Users\Admin\AppData\Local\Temp\Admin Tools.rar.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Program Files\VideoLAN\VLC\vlc.exe
  "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Roaming\Admin Tools.rar"
  2⤵
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:1912
- C:\Users\Admin\AppData\Roaming\XClient.exe
  "C:\Users\Admin\AppData\Roaming\XClient.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1228

C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\Admin Tools.rar.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1760

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\.rsrc\version.txt
1⤵
PID:1748

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\Desktop\.text
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1060
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\.text
  2⤵
  PID:2268

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:1600

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Admin Tools.rar

Filesize
11.8MB

MD5
e1ea29674dd974b512bcbce795125c36

SHA1
692eb95e5ebd143e52469de9881468c84cfa716a

SHA256
42160df9a104bb4a287477af00672753be7bdec93badce0c766fafd88da0af3f

SHA512
a3659c3d6021f86af1cf8c4f35247e71c30cc5944c5029477636da6f384233b9d6babc82bf3fa92ae3374d91a0fe71be9b84fbf69fdfc2138e621e3d839de0a9

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

Filesize
32KB

MD5
c8adc1201433e732c762f4cca0ef59d5

SHA1
0ef49322427eee1735d2cd943d645453edbbc173

SHA256
0a66ae70b388aaa6ca8228d829345728739b631586440672faf0f9dd894cb994

SHA512
8f5d476a637da21a37f6b160b7a6281bc2aa952905ef06a61aa8b2851c5edf67b1528a7c46b6295856751b79de079aa05aea371cb7211074adcd97b3e537295e

Download Submit
C:\Users\Admin\AppData\Roaming\vlc\ml.xspf

Filesize
318B

MD5
5d7eb36c9e1a90c6140370dc8fe78ed3

SHA1
03c327ba02e605d213f324aa34545e8232d96e38

SHA256
63eba58c10f38220de2e5a13d6c2e57fafdb256ebf771c1f8946055e2451321a

SHA512
e2d433e115455f049aff6fe23aad3301dc07a17048ddb9ae3438297fa2647ca8b9fbcdb870f3d62c2f0a7a4d2ac538622defc680cecfd3072f01b72bf236aee0

Download Submit
C:\Users\Admin\AppData\Roaming\vlc\vlc-qt-interface.ini

Filesize
541B

MD5
c6f12302ebc7ca470a91e16bf042f29a

SHA1
96062d76717abd25f1c8a53ce08c14537689bf11

SHA256
f523a46db177fcc48101352ac3770952a55ac4cd7fcdb361bcdc5094a9bdddf1

SHA512
665c90c1da9ed545a82af89c50fe58ee21428c95badb9c3342cb15de67895f3ddb8e796acc62f31e2495b54dd123f32b0cedd2ee08d006726a05f293ede3efca

Download Submit
C:\Users\Admin\AppData\Roaming\vlc\vlc-qt-interface.ini

Filesize
541B

MD5
43a8a93dd8f1941ab1b3f736a563d5a0

SHA1
776597f3a734823e8bcc6ac92e7e3ec15676655b

SHA256
99a50584603c94cac2b3e30468fac8abb49907201d6ba8b2096fc727cec15b42

SHA512
13a0f1ce77068dda6bb04715e8c464e2044a2bba150b37c18cc628119f3153b144f4ffd9eceb0649269c03e4598bf3b9ca2d21d03e200e80c0704cacaa0c2d40

Download Submit
C:\Users\Admin\Desktop\.rsrc\version.txt

Filesize
1KB

MD5
bb49ef0665e62d9901746790ef02406d

SHA1
954eb6c74ad503189ce491eb50c8bc0a91eee07d

SHA256
57c438c7c4016ef610c671bed6696584994cc530a6082181f3e491fe8f822694

SHA512
575d5ad8c1b6aa9145c7bf9344f02731708b1df8ef32009179b27a8defbd2d25d3e677bcd43215bd8607c25c7fa19e64d68c954b9709a8c74cc5e7e85a1266f2

Download Submit
C:\Users\Admin\Desktop\.text

Filesize
11.8MB

MD5
9d7b7425cec8591729bbc92efdfdcbcb

SHA1
d5a7443433f857c59b669c9a4f7204ac8f7ea2ff

SHA256
d1b8143cbbc91cacb551916bb01426c13d0ffcc1dfda2426bbb0bb1828d6db25

SHA512
be8ac39468bb047ba203eaa0778a6b253fea5f9bb3a695e16e2d4db96531deb7c8157cf708b34ea5d9a932baf1ac6bc5f50f2dfc3b5b16511ad9b00d6ceae3ca

Download Submit
memory/2168-1111-0x00000000011E0000-0x0000000001DBC000-memory.dmp

Filesize
11.9MB

Download
memory/2628-0-0x000007FEF4F13000-0x000007FEF4F14000-memory.dmp

Filesize
4KB

Download
memory/2628-1-0x0000000000E30000-0x0000000001A0C000-memory.dmp

Filesize
11.9MB

Download
memory/2748-8-0x0000000000140000-0x000000000014E000-memory.dmp

Filesize
56KB

Download
memory/2928-33-0x000007FEF6BC0000-0x000007FEF6BDB000-memory.dmp

Filesize
108KB

Download
memory/2928-40-0x000007FEF21F0000-0x000007FEF2247000-memory.dmp

Filesize
348KB

Download
memory/2928-24-0x000007FEF7800000-0x000007FEF7811000-memory.dmp

Filesize
68KB

Download
memory/2928-17-0x000007FEF5FE0000-0x000007FEF6296000-memory.dmp

Filesize
2.7MB

Download
memory/2928-25-0x000007FEF5CA0000-0x000007FEF5EAB000-memory.dmp

Filesize
2.0MB

Download
memory/2928-28-0x000007FEF77D0000-0x000007FEF77F1000-memory.dmp

Filesize
132KB

Download
memory/2928-27-0x000007FEF6C40000-0x000007FEF6C81000-memory.dmp

Filesize
260KB

Download
memory/2928-31-0x000007FEF6C00000-0x000007FEF6C11000-memory.dmp

Filesize
68KB

Download
memory/2928-32-0x000007FEF6BE0000-0x000007FEF6BF1000-memory.dmp

Filesize
68KB

Download
memory/2928-30-0x000007FEF6C20000-0x000007FEF6C31000-memory.dmp

Filesize
68KB

Download
memory/2928-29-0x000007FEF7560000-0x000007FEF7578000-memory.dmp

Filesize
96KB

Download
memory/2928-23-0x000007FEF7820000-0x000007FEF783D000-memory.dmp

Filesize
116KB

Download
memory/2928-34-0x000007FEF6BA0000-0x000007FEF6BB1000-memory.dmp

Filesize
68KB

Download
memory/2928-35-0x000007FEF6370000-0x000007FEF6388000-memory.dmp

Filesize
96KB

Download
memory/2928-38-0x000007FEF5C20000-0x000007FEF5C9C000-memory.dmp

Filesize
496KB

Download
memory/2928-37-0x000007FEF5BA0000-0x000007FEF5C07000-memory.dmp

Filesize
412KB

Download
memory/2928-36-0x000007FEF6340000-0x000007FEF6370000-memory.dmp

Filesize
192KB

Download
memory/2928-22-0x000007FEF7840000-0x000007FEF7851000-memory.dmp

Filesize
68KB

Download
memory/2928-39-0x000007FEF6320000-0x000007FEF6331000-memory.dmp

Filesize
68KB

Download
memory/2928-47-0x000007FEF1B20000-0x000007FEF1B41000-memory.dmp

Filesize
132KB

Download
memory/2928-50-0x000007FEEC5A0000-0x000007FEEC5B1000-memory.dmp

Filesize
68KB

Download
memory/2928-49-0x000007FEEC5C0000-0x000007FEEC5D7000-memory.dmp

Filesize
92KB

Download
memory/2928-48-0x000007FEF1B00000-0x000007FEF1B13000-memory.dmp

Filesize
76KB

Download
memory/2928-46-0x000007FEF1D80000-0x000007FEF1D92000-memory.dmp

Filesize
72KB

Download
memory/2928-45-0x000007FEF21A0000-0x000007FEF21B1000-memory.dmp

Filesize
68KB

Download
memory/2928-44-0x000007FEF21C0000-0x000007FEF21E3000-memory.dmp

Filesize
140KB

Download
memory/2928-43-0x000007FEF5930000-0x000007FEF5948000-memory.dmp

Filesize
96KB

Download
memory/2928-42-0x000007FEF5950000-0x000007FEF5974000-memory.dmp

Filesize
144KB

Download
memory/2928-41-0x000007FEF62F0000-0x000007FEF6318000-memory.dmp

Filesize
160KB

Download
memory/2928-26-0x000007FEED030000-0x000007FEEE0E0000-memory.dmp

Filesize
16.7MB

Download
memory/2928-21-0x000007FEF7860000-0x000007FEF7877000-memory.dmp

Filesize
92KB

Download
memory/2928-20-0x000007FEFAC90000-0x000007FEFACA1000-memory.dmp

Filesize
68KB

Download
memory/2928-19-0x000007FEFAF30000-0x000007FEFAF47000-memory.dmp

Filesize
92KB

Download
memory/2928-18-0x000007FEFB0A0000-0x000007FEFB0B8000-memory.dmp

Filesize
96KB

Download
memory/2928-15-0x000000013FE80000-0x000000013FF78000-memory.dmp

Filesize
992KB

Download
memory/2928-16-0x000007FEFAF50000-0x000007FEFAF84000-memory.dmp

Filesize
208KB

Download