agenttesla | 29abcda84ffb413c142ff8f3aad3986030464f3ca2c959670b49527e697d621d

Analysis

max time kernel
150s
max time network
83s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
25-07-2024 22:20

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General

Target

Xworm V5.6.exe
Size

14.9MB
MD5

56ccb739926a725e78a7acf9af52c4bb
SHA1

5b01b90137871c3c8f0d04f510c4d56b23932cbc
SHA256

90f58865f265722ab007abb25074b3fc4916e927402552c6be17ef9afac96405
SHA512

2fee662bc4a1a36ce7328b23f991fa4a383b628839e403d6eb6a9533084b17699a6c939509867a86e803aafef2f9def98fa9305b576dad754aa7f599920c19a1
SSDEEP

196608:P4/BAe1d4ihvy85JhhYc3BSL1kehn4inje:PuyIhhkRka4i

Score

10^/10

agenttesla xworm keylogger rat spyware stealer trojan

Malware Config

Extracted

Family

xworm

Version

5.0

127.0.0.1:7000

Mutex

K8gQNnuQfSaMvyLt

Attributes

install_file
USB.exe

aes.plain

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Contains code to disable Windows Defender 1 IoCs

A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

resource	yara_rule
behavioral1/memory/1012-39-0x0000000000450000-0x000000000045E000-memory.dmp	disable_win_def

Detect Xworm Payload 3 IoCs

resource	yara_rule
behavioral1/files/0x000400000001c98d-20.dat	family_xworm
behavioral1/files/0x000400000001cb29-32.dat	family_xworm
behavioral1/memory/1012-34-0x00000000009E0000-0x00000000009EE000-memory.dmp	family_xworm

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral1/memory/836-3-0x000000001C700000-0x000000001C8F4000-memory.dmp	family_agenttesla

Executes dropped EXE 1 IoCs

pid	Process
1012	XClient.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	Xworm V5.6.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	Xworm V5.6.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion	Xworm V5.6.exe

Modifies registry class 31 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\Mode = "4"	Xworm V5.6.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\Sort = 000000000000000000000000000000000200000030f125b7ef471a10a5f102608c9eebac0a0000000100000030f125b7ef471a10a5f102608c9eebac0e000000ffffffff	Xworm V5.6.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1"	Xworm V5.6.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff	Xworm V5.6.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\TV_TopViewVersion = "0"	Xworm V5.6.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}	Xworm V5.6.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	Xworm V5.6.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	Xworm V5.6.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	Xworm V5.6.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}	Xworm V5.6.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	Xworm V5.6.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\FFlags = "1"	Xworm V5.6.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 9e0000001a00eebbfe23000010007db10d7bd29c934a973346cc89022e7c00002a0000000000efbe000000200000000000000000000000000000000000000000000000000100000020002a0000000000efbe7e47b3fbe4c93b4ba2bad3f5d3cd46f98207ba827a5b6945b5d7ec83085f08cc20002a0000000000efbe000000200000000000000000000000000000000000000000000000000100000020000000	Xworm V5.6.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags	Xworm V5.6.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders	Xworm V5.6.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\LogicalViewMode = "1"	Xworm V5.6.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_Classes\Local Settings	Xworm V5.6.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	Xworm V5.6.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	Xworm V5.6.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000007800000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000	Xworm V5.6.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	Xworm V5.6.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg	Xworm V5.6.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\FFlags = "1092616257"	Xworm V5.6.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	Xworm V5.6.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f4225481e03947bc34db131e946b44c8dd50000	Xworm V5.6.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	Xworm V5.6.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\TV_FolderType = "{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}"	Xworm V5.6.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	Xworm V5.6.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\TV_TopViewID = "{82BA0782-5B7A-4569-B5D7-EC83085F08CC}"	Xworm V5.6.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg	Xworm V5.6.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\IconSize = "16"	Xworm V5.6.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
836	Xworm V5.6.exe
836	Xworm V5.6.exe
836	Xworm V5.6.exe
836	Xworm V5.6.exe
836	Xworm V5.6.exe
836	Xworm V5.6.exe
836	Xworm V5.6.exe
836	Xworm V5.6.exe
836	Xworm V5.6.exe
836	Xworm V5.6.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
836	Xworm V5.6.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: 33	2836	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2836	AUDIODG.EXE
Token: 33	2836	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2836	AUDIODG.EXE
Token: SeDebugPrivilege	1012	XClient.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
836	Xworm V5.6.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
836	Xworm V5.6.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
836	Xworm V5.6.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 836 wrote to memory of 1608	836	Xworm V5.6.exe	32
PID 836 wrote to memory of 1608	836	Xworm V5.6.exe	32
PID 836 wrote to memory of 1608	836	Xworm V5.6.exe	32
PID 1608 wrote to memory of 2948	1608	vbc.exe	34
PID 1608 wrote to memory of 2948	1608	vbc.exe	34
PID 1608 wrote to memory of 2948	1608	vbc.exe	34

C:\Users\Admin\AppData\Local\Temp\Xworm V5.6.exe
"C:\Users\Admin\AppData\Local\Temp\Xworm V5.6.exe"
1⤵
- Enumerates system info in registry
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:836
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\foeo1sny\foeo1sny.cmdline"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1608
- - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES77EE.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc5AB98A282714F35A028821C642A7A.TMP"
    3⤵
    PID:2948

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:2340

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x5b8
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2836

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:1056

C:\Users\Admin\Documents\XClient.exe
"C:\Users\Admin\Documents\XClient.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1012

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

T1064

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\Temp\RES77EE.tmp

Filesize
1KB

MD5
179873a55625903b9b84ab59a92e9d8e

SHA1
ebabea38496fa2142a8919329a5f5213ba5425c7

SHA256
f2e0d433fa13fcf4412122ce88925767209e2c13b3116702cc245671050977ed

SHA512
dfe223edf0ac2df4d82247e5bf7456727594d2b403917c9964a4f2d51f9fbdddcb8c8db1bc0ad302a1ce33af6279291d4b004f50602105416138096adf28b3ab

Download Submit
C:\Users\Admin\AppData\Local\Temp\foeo1sny\foeo1sny.0.vb

Filesize
78KB

MD5
7005dcef76235ec6687f2ab3dbad7922

SHA1
d401d663d8d7a798f733ee0d4ed45a5153fbc9c0

SHA256
8a1dfe11d553f1076280c3a5eb226e31bfe65f8e3920fd4e9041d13b70964c17

SHA512
24a4c998914bb70ca2445b72393e8746ddec7a27a3b96af61b1d4fb41d147ae5a3c965f29dc2bae0572e05d22d29ef4cb91d9226a6a53c9d58479ca681ae9ad0

Download Submit
C:\Users\Admin\AppData\Local\Temp\foeo1sny\foeo1sny.cmdline

Filesize
292B

MD5
7de50dea6c33ea10a42133e2754fcbc4

SHA1
db0b8e25b5b2e92f5d3a2adbb0f8d2f91569491b

SHA256
9dbf65f3a5485ab11e809e32c3c76d4b0abc3acf932af283dbccd1f8f00463d3

SHA512
7b89a68781ff9b2460e9270a896ca588cb44b7dc7149646633082507ad337b6c1fcb5ef855f7b7dbb3166bd10b9092f904748f309176d239fcdc4f3854baa5b8

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc5AB98A282714F35A028821C642A7A.TMP

Filesize
1KB

MD5
d40c58bd46211e4ffcbfbdfac7c2bb69

SHA1
c5cf88224acc284a4e81bd612369f0e39f3ac604

SHA256
01902f1903d080c6632ae2209136e8e713e9fd408db4621ae21246b65bfea2ca

SHA512
48b14748e86b7d92a3ea18f29caf1d7b4b2e1de75377012378d146575048a2531d2e5aaeae1abf2d322d06146177cdbf0c2940ac023efae007b9f235f18e2c68

Download Submit
C:\Users\Admin\Documents\XClient.exe

Filesize
32KB

MD5
90c5d2e4d96ca773f5dec6e57dbb3bca

SHA1
5e3351300e587088b27d6bc8222f2578c33d1ad2

SHA256
c971fd446f67b996e7fbb3fc1b7b2c810b5a6929e1db8e8aa9d26adc8988f6d1

SHA512
857162c25905dee22a8645ace413fd4ad6e9ae2e7d2b4524e5296718f277d5ae2fbe5f88f236ca637add3c8a104d04e0ed3269adf4bb165a7c630ff17d0a8fd4

Download Submit
memory/836-6-0x000007FEF6523000-0x000007FEF6524000-memory.dmp

Filesize
4KB

Download
memory/836-4-0x000007FEF6520000-0x000007FEF6F0C000-memory.dmp

Filesize
9.9MB

Download
memory/836-7-0x000007FEF6520000-0x000007FEF6F0C000-memory.dmp

Filesize
9.9MB

Download
memory/836-8-0x000007FEF6520000-0x000007FEF6F0C000-memory.dmp

Filesize
9.9MB

Download
memory/836-9-0x000007FEF6520000-0x000007FEF6F0C000-memory.dmp

Filesize
9.9MB

Download
memory/836-10-0x000007FEF6520000-0x000007FEF6F0C000-memory.dmp

Filesize
9.9MB

Download
memory/836-11-0x000007FEF6520000-0x000007FEF6F0C000-memory.dmp

Filesize
9.9MB

Download
memory/836-13-0x000007FEF6520000-0x000007FEF6F0C000-memory.dmp

Filesize
9.9MB

Download
memory/836-14-0x0000000027300000-0x0000000027310000-memory.dmp

Filesize
64KB

Download
memory/836-15-0x0000000028A00000-0x0000000028B68000-memory.dmp

Filesize
1.4MB

Download
memory/836-5-0x000007FEF6520000-0x000007FEF6F0C000-memory.dmp

Filesize
9.9MB

Download
memory/836-0-0x000007FEF6523000-0x000007FEF6524000-memory.dmp

Filesize
4KB

Download
memory/836-3-0x000000001C700000-0x000000001C8F4000-memory.dmp

Filesize
2.0MB

Download
memory/836-2-0x000007FEF6520000-0x000007FEF6F0C000-memory.dmp

Filesize
9.9MB

Download
memory/836-30-0x000007FEF6520000-0x000007FEF6F0C000-memory.dmp

Filesize
9.9MB

Download
memory/836-1-0x0000000000970000-0x0000000001858000-memory.dmp

Filesize
14.9MB

Download
memory/836-38-0x0000000028440000-0x00000000284F2000-memory.dmp

Filesize
712KB

Download
memory/836-35-0x0000000026080000-0x0000000026102000-memory.dmp

Filesize
520KB

Download
memory/836-36-0x000000001C900000-0x000000001C92C000-memory.dmp

Filesize
176KB

Download
memory/836-37-0x0000000028B70000-0x0000000028E52000-memory.dmp

Filesize
2.9MB

Download
memory/1012-34-0x00000000009E0000-0x00000000009EE000-memory.dmp

Filesize
56KB

Download
memory/1012-39-0x0000000000450000-0x000000000045E000-memory.dmp

Filesize
56KB

Download