agenttesla | 53c401f24e24cbe77b405737d35a12daed24ab8840abcfec197b9e8b5c7ff312

General

Target

VenomCrypter/VenomCrypter.exe
Size

995KB
MD5

b8f9138bd9a2c93a1b7ada47586c8202
SHA1

998850da4b2c4f5152d637222613b114338e6ba4
SHA256

54fc1ddf8dd8880f29ec3335d602de20f0b9ecafb9cd3dc9dc090ab6a1540535
SHA512

54b99cb1a821dab4a2c79560a13f637db1cae5658d2293e28c7449930052bcc35d4e92ad30a6d720224fcccf78c70aaace5c502bb8ba39e3fc7f607c2197a590
SSDEEP

24576:A6QogdyF69wA1s33ryeg5b0O9Xld7T7lY7NSe3TwHur8pOfVnnbeC13Uv8r:A5zdyF69mrU5nJ7lY7EaUHvYz

Score

10^/10

agenttesla evasion keylogger spyware stealer trojan

Malware Config

Signatures

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

AgentTesla payload 1 IoCs

Processes:

resource	yara_rule
behavioral11/memory/2324-4-0x000000000B8E0000-0x000000000BAF4000-memory.dmp	family_agenttesla

Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

VenomCrypter.exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions VenomCrypter.exe
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

VenomCrypter.exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools VenomCrypter.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions	VenomCrypter.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools	VenomCrypter.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

VenomCrypter.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	VenomCrypter.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	VenomCrypter.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

VenomCrypter.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	VenomCrypter.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	VenomCrypter.exe

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

Processes:

VenomCrypter.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	VenomCrypter.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	VenomCrypter.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion	VenomCrypter.exe

Modifies registry class 31 IoCs

Processes:

VenomCrypter.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	VenomCrypter.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff	VenomCrypter.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	VenomCrypter.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 9e0000001a00eebbfe23000010007db10d7bd29c934a973346cc89022e7c00002a0000000000efbe000000200000000000000000000000000000000000000000000000000100000020002a0000000000efbe7e47b3fbe4c93b4ba2bad3f5d3cd46f98207ba827a5b6945b5d7ec83085f08cc20002a0000000000efbe000000200000000000000000000000000000000000000000000000000100000020000000	VenomCrypter.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\TV_FolderType = "{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}"	VenomCrypter.exe
Key created	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}	VenomCrypter.exe
Key created	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	VenomCrypter.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	VenomCrypter.exe
Key created	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}	VenomCrypter.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\IconSize = "16"	VenomCrypter.exe
Key created	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	VenomCrypter.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f4225481e03947bc34db131e946b44c8dd50000	VenomCrypter.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	VenomCrypter.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\TV_TopViewVersion = "0"	VenomCrypter.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000007800000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000	VenomCrypter.exe
Key created	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	VenomCrypter.exe
Key created	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	VenomCrypter.exe
Key created	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders	VenomCrypter.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\FFlags = "1"	VenomCrypter.exe
Key created	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_Classes\Local Settings	VenomCrypter.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	VenomCrypter.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg\TV_TopViewID = "{82BA0782-5B7A-4569-B5D7-EC83085F08CC}"	VenomCrypter.exe
Key created	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\ComDlg	VenomCrypter.exe
Key created	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags	VenomCrypter.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\Mode = "4"	VenomCrypter.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\LogicalViewMode = "1"	VenomCrypter.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\FFlags = "1092616257"	VenomCrypter.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg\{FBB3477E-C9E4-4B3B-A2BA-D3F5D3CD46F9}\{82BA0782-5B7A-4569-B5D7-EC83085F08CC}\Sort = 000000000000000000000000000000000200000030f125b7ef471a10a5f102608c9eebac0a0000000100000030f125b7ef471a10a5f102608c9eebac0e000000ffffffff	VenomCrypter.exe
Key created	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	VenomCrypter.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1"	VenomCrypter.exe
Key created	\REGISTRY\USER\S-1-5-21-1514849007-2165033493-4114354048-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\AllFolders\ComDlg	VenomCrypter.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

VenomCrypter.exe

pid process

2324 VenomCrypter.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

VenomCrypter.exe

description pid process

Token: SeDebugPrivilege 2324 VenomCrypter.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

VenomCrypter.exe

pid process

2324 VenomCrypter.exe
2324 VenomCrypter.exe

pid	process
2324	VenomCrypter.exe

description	pid	process
Token: SeDebugPrivilege	2324	VenomCrypter.exe

pid	process
2324	VenomCrypter.exe
2324	VenomCrypter.exe

C:\Users\Admin\AppData\Local\Temp\VenomCrypter\VenomCrypter.exe
"C:\Users\Admin\AppData\Local\Temp\VenomCrypter\VenomCrypter.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Enumerates system info in registry
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2324

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

4

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2324-0-0x00000000003B0000-0x00000000004AE000-memory.dmp

Filesize
1016KB

Download
memory/2324-1-0x00000000746F0000-0x0000000074DDE000-memory.dmp

Filesize
6.9MB

Download
memory/2324-2-0x0000000007240000-0x000000000756E000-memory.dmp

Filesize
3.2MB

Download
memory/2324-3-0x0000000004D80000-0x0000000004DC0000-memory.dmp

Filesize
256KB

Download
memory/2324-4-0x000000000B8E0000-0x000000000BAF4000-memory.dmp

Filesize
2.1MB

Download
memory/2324-5-0x0000000004D80000-0x0000000004DC0000-memory.dmp

Filesize
256KB

Download
memory/2324-6-0x00000000746F0000-0x0000000074DDE000-memory.dmp

Filesize
6.9MB

Download
memory/2324-8-0x0000000004D80000-0x0000000004DC0000-memory.dmp

Filesize
256KB

Download
memory/2324-7-0x0000000004D80000-0x0000000004DC0000-memory.dmp

Filesize
256KB

Download
memory/2324-9-0x0000000005CF0000-0x0000000005CF1000-memory.dmp

Filesize
4KB

Download
memory/2324-10-0x0000000005F30000-0x0000000005F32000-memory.dmp

Filesize
8KB

Download
memory/2324-11-0x0000000004D80000-0x0000000004DC0000-memory.dmp

Filesize
256KB

Download
memory/2324-12-0x0000000005CF0000-0x0000000005CF1000-memory.dmp

Filesize
4KB

Download
memory/2324-13-0x0000000006570000-0x00000000066D8000-memory.dmp

Filesize
1.4MB

Download
memory/2324-15-0x00000000746F0000-0x0000000074DDE000-memory.dmp

Filesize
6.9MB

Download
memory/2324-16-0x0000000004D80000-0x0000000004DC0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads