agenttesla | 6209712229816eb836f3b5492c23fa20afa7cf582111da9f90c8714c23a8812b

General

Target

SpyderCrypter.exe
Size

4.8MB
MD5

b3fb79184d1097420fb68b0240df9660
SHA1

60fcb2b85867b247bb5c622f121e4ab208c7da9c
SHA256

8babb9a5318d0b2fa43d6c18e91a23a70de547243db91f866e50bb2ff1b7db8b
SHA512

130ecef6b8d4418784dafa341277b214693c0d1849e6cf04a87193eb413b3ae0cef7eeb3124494a8bca33ffb2d1b27f875adeadbae1aea3d2ff767710471807e
SSDEEP

98304:FYh322d2m5YhkvxW/gGfoq8Np9qAX7z3z9CW6dwFdkyRYq/:FYhGy2tqvpoT8NvzJTp/

Score

10^/10

agenttesla evasion keylogger spyware stealer themida 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
behavioral1/memory/2952-21-0x0000000005750000-0x0000000005964000-memory.dmp	family_agenttesla

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

SpyderCrypter.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ SpyderCrypter.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	SpyderCrypter.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:

SpyderCrypter.exe

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

Executes dropped EXE 1 IoCs

Processes:

SpyderResources.exe

pid process

2992 SpyderResources.exe
Loads dropped DLL 6 IoCs

Processes:

SpyderCrypter.exeWerFault.exe

pid process

2952 SpyderCrypter.exe
2664 WerFault.exe
2664 WerFault.exe
2664 WerFault.exe
2664 WerFault.exe
2664 WerFault.exe

pid	process
2992	SpyderResources.exe

pid	process
2952	SpyderCrypter.exe
2664	WerFault.exe
2664	WerFault.exe
2664	WerFault.exe
2664	WerFault.exe
2664	WerFault.exe

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/2952-18-0x0000000000E80000-0x000000000188C000-memory.dmp	themida
behavioral1/memory/2952-19-0x0000000000E80000-0x000000000188C000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

SpyderCrypter.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA SpyderCrypter.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

4 raw.githubusercontent.com
5 raw.githubusercontent.com
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2664 2992 WerFault.exe SpyderResources.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	SpyderCrypter.exe

flow	ioc
4	raw.githubusercontent.com
5	raw.githubusercontent.com

pid	pid_target	process	target process
2664	2992	WerFault.exe	SpyderResources.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

SpyderCrypter.exe

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

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

SpyderCrypter.exe

description pid process

Token: SeDebugPrivilege 2952 SpyderCrypter.exe

description	pid	process
Token: SeDebugPrivilege	2952	SpyderCrypter.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

SpyderCrypter.exeSpyderResources.exe

description	pid	process	target process
PID 2952 wrote to memory of 2992	2952	SpyderCrypter.exe	SpyderResources.exe
PID 2952 wrote to memory of 2992	2952	SpyderCrypter.exe	SpyderResources.exe
PID 2952 wrote to memory of 2992	2952	SpyderCrypter.exe	SpyderResources.exe
PID 2952 wrote to memory of 2992	2952	SpyderCrypter.exe	SpyderResources.exe
PID 2992 wrote to memory of 2664	2992	SpyderResources.exe	WerFault.exe
PID 2992 wrote to memory of 2664	2992	SpyderResources.exe	WerFault.exe
PID 2992 wrote to memory of 2664	2992	SpyderResources.exe	WerFault.exe
PID 2992 wrote to memory of 2664	2992	SpyderResources.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\SpyderCrypter.exe
"C:\Users\Admin\AppData\Local\Temp\SpyderCrypter.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2952

C:\Users\Admin\AppData\Local\Temp\SpyderResources.exe
"C:\Users\Admin\AppData\Local\Temp\SpyderResources.exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2992 -s 592
3⤵
- Loads dropped DLL
- Program crash
PID:2664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

4

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\SpyderResources.exe
Filesize
11KB

MD5
cc132ca7e1cf77db1a3e737260fcf14b

SHA1
f6058656d44e95c23071251b278bc779a88083da

SHA256
4c62d4e150f91dc3fdd1f29c955763c52f357045b1a2edf98ac272631dfdb210

SHA512
52e64fdf7acf08525ddb352b0dd0b6ca3df8d8f13fa09dcd31c270c4e2040f2361c04ba56915cd05539f581df712562537239fbc942131cc725502af6d010fee

Download Submit
memory/2952-21-0x0000000005750000-0x0000000005964000-memory.dmp

Filesize
2.1MB

Download
memory/2952-42-0x0000000075F00000-0x0000000075F47000-memory.dmp

Filesize
284KB

Download
memory/2952-9-0x0000000076030000-0x0000000076140000-memory.dmp

Filesize
1.1MB

Download
memory/2952-10-0x0000000076030000-0x0000000076140000-memory.dmp

Filesize
1.1MB

Download
memory/2952-8-0x0000000076030000-0x0000000076140000-memory.dmp

Filesize
1.1MB

Download
memory/2952-7-0x0000000076030000-0x0000000076140000-memory.dmp

Filesize
1.1MB

Download
memory/2952-13-0x0000000076030000-0x0000000076140000-memory.dmp

Filesize
1.1MB

Download
memory/2952-16-0x0000000076030000-0x0000000076140000-memory.dmp

Filesize
1.1MB

Download
memory/2952-22-0x0000000006C80000-0x0000000006D30000-memory.dmp

Filesize
704KB

Download
memory/2952-14-0x0000000076030000-0x0000000076140000-memory.dmp

Filesize
1.1MB

Download
memory/2952-12-0x0000000076030000-0x0000000076140000-memory.dmp

Filesize
1.1MB

Download
memory/2952-11-0x0000000076030000-0x0000000076140000-memory.dmp

Filesize
1.1MB

Download
memory/2952-6-0x0000000075F00000-0x0000000075F47000-memory.dmp

Filesize
284KB

Download
memory/2952-17-0x0000000074430000-0x0000000074B1E000-memory.dmp

Filesize
6.9MB

Download
memory/2952-18-0x0000000000E80000-0x000000000188C000-memory.dmp

Filesize
10.0MB

Download
memory/2952-19-0x0000000000E80000-0x000000000188C000-memory.dmp

Filesize
10.0MB

Download
memory/2952-20-0x0000000005430000-0x0000000005470000-memory.dmp

Filesize
256KB

Download
memory/2952-0-0x0000000000E80000-0x000000000188C000-memory.dmp

Filesize
10.0MB

Download
memory/2952-15-0x0000000076030000-0x0000000076140000-memory.dmp

Filesize
1.1MB

Download
memory/2952-23-0x0000000005430000-0x0000000005470000-memory.dmp

Filesize
256KB

Download
memory/2952-40-0x0000000000E80000-0x000000000188C000-memory.dmp

Filesize
10.0MB

Download
memory/2952-51-0x0000000005430000-0x0000000005470000-memory.dmp

Filesize
256KB

Download
memory/2952-49-0x0000000005430000-0x0000000005470000-memory.dmp

Filesize
256KB

Download
memory/2952-48-0x0000000074430000-0x0000000074B1E000-memory.dmp

Filesize
6.9MB

Download
memory/2952-45-0x0000000076030000-0x0000000076140000-memory.dmp

Filesize
1.1MB

Download
memory/2952-1-0x0000000075F00000-0x0000000075F47000-memory.dmp

Filesize
284KB

Download
memory/2952-43-0x0000000076030000-0x0000000076140000-memory.dmp

Filesize
1.1MB

Download
memory/2952-44-0x0000000076030000-0x0000000076140000-memory.dmp

Filesize
1.1MB

Download
memory/2952-2-0x0000000076030000-0x0000000076140000-memory.dmp

Filesize
1.1MB

Download
memory/2952-47-0x0000000076030000-0x0000000076140000-memory.dmp

Filesize
1.1MB

Download
memory/2952-46-0x0000000076030000-0x0000000076140000-memory.dmp

Filesize
1.1MB

Download
memory/2992-34-0x0000000000490000-0x000000000049A000-memory.dmp

Filesize
40KB

Download
memory/2992-33-0x0000000074430000-0x0000000074B1E000-memory.dmp

Filesize
6.9MB

Download
memory/2992-31-0x0000000001300000-0x000000000130A000-memory.dmp

Filesize
40KB

Download
memory/2992-32-0x0000000000460000-0x000000000047A000-memory.dmp

Filesize
104KB

Download
memory/2992-52-0x0000000074430000-0x0000000074B1E000-memory.dmp

Filesize
6.9MB

Download
memory/2992-53-0x0000000004900000-0x0000000004940000-memory.dmp

Filesize
256KB

Download
memory/2992-62-0x0000000074430000-0x0000000074B1E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads