agenttesla | 1d8c80f52a16666330f204788cc9eb42d0439a4ff81ae39ffdf3ad3103751366

Analysis

max time kernel
299s
max time network
279s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
24-05-2024 15:33

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General

Target

Protect/bimno1-JIT.exe
Size

3.5MB
MD5

9fcdeaa7788f4594d0f99939aa68e889
SHA1

c463364816644fb51c54f863e4385dd9780783a7
SHA256

5a2d9d0d5355cc4e7190fcc65456a2463e9f70ea80401e94cf167dd313751c08
SHA512

a5c10f86ee9c132c3379952673706f21b121cb8877ef0a4c50bee8adf1eec4762bd1de7f9231974e985118b5c94cb6106758ecd27b4dd94a7d13118b47631e65
SSDEEP

49152:ChnD+vBJKn2KGPwWMF3jr4Bou1JM7XNUPP:ChnKZBwWMFzr4BlJM7XN

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
behavioral28/memory/948-13-0x0000000008170000-0x0000000008384000-memory.dmp	family_agenttesla

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

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

bimno1-JIT.exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions bimno1-JIT.exe
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

bimno1-JIT.exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools bimno1-JIT.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions	bimno1-JIT.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools	bimno1-JIT.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:

bimno1-JIT.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	bimno1-JIT.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	bimno1-JIT.exe

Loads dropped DLL 1 IoCs

Processes:

bimno1-JIT.exe

pid process

948 bimno1-JIT.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

8 raw.githubusercontent.com
9 raw.githubusercontent.com

flow	ioc
8	raw.githubusercontent.com
9	raw.githubusercontent.com

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:

bimno1-JIT.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	bimno1-JIT.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	bimno1-JIT.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

bimno1-JIT.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	bimno1-JIT.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion	bimno1-JIT.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	bimno1-JIT.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

bimno1-JIT.exe

pid	process
948	bimno1-JIT.exe
948	bimno1-JIT.exe
948	bimno1-JIT.exe
948	bimno1-JIT.exe
948	bimno1-JIT.exe
948	bimno1-JIT.exe
948	bimno1-JIT.exe
948	bimno1-JIT.exe
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948	bimno1-JIT.exe
948	bimno1-JIT.exe
948	bimno1-JIT.exe
948	bimno1-JIT.exe
948	bimno1-JIT.exe
948	bimno1-JIT.exe
948	bimno1-JIT.exe
948	bimno1-JIT.exe
948	bimno1-JIT.exe
948	bimno1-JIT.exe
948	bimno1-JIT.exe
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948	bimno1-JIT.exe
948	bimno1-JIT.exe
948	bimno1-JIT.exe
948	bimno1-JIT.exe
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948	bimno1-JIT.exe
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948	bimno1-JIT.exe
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948	bimno1-JIT.exe
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948	bimno1-JIT.exe
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948	bimno1-JIT.exe
948	bimno1-JIT.exe
948	bimno1-JIT.exe
948	bimno1-JIT.exe
948	bimno1-JIT.exe
948	bimno1-JIT.exe
948	bimno1-JIT.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

bimno1-JIT.exe

description pid process

Token: SeDebugPrivilege 948 bimno1-JIT.exe

description	pid	process
Token: SeDebugPrivilege	948	bimno1-JIT.exe

C:\Users\Admin\AppData\Local\Temp\Protect\bimno1-JIT.exe
"C:\Users\Admin\AppData\Local\Temp\Protect\bimno1-JIT.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Loads dropped DLL
- Maps connected drives based on registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:948

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\hktrM.dll
Filesize
84KB

MD5
0b0e63957367e620b8697c5341af35b9

SHA1
69361c2762b2d1cada80667cd55bc5082e60af86

SHA256
bd9cdcfaa0edecdb89a204965d20f4a896c6650d4840e28736d9bd832390e1c5

SHA512
07d0e52c863f52ecb3d12fab9e71c7a18d54cbedb47250bee7e4297ff72ed793c23a2735c48090c261fe4633d53d03e305c1338dfc881bb86874d1633ff6ecee

Download Submit
memory/948-10-0x0000000006650000-0x00000000066B6000-memory.dmp

Filesize
408KB

Download
memory/948-11-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download
memory/948-3-0x0000000005E10000-0x00000000063B4000-memory.dmp

Filesize
5.6MB

Download
memory/948-4-0x0000000005940000-0x00000000059D2000-memory.dmp

Filesize
584KB

Download
memory/948-12-0x0000000007EC0000-0x0000000007ECA000-memory.dmp

Filesize
40KB

Download
memory/948-9-0x00000000063C0000-0x000000000654C000-memory.dmp

Filesize
1.5MB

Download
memory/948-2-0x00000000054F0000-0x0000000005616000-memory.dmp

Filesize
1.1MB

Download
memory/948-0-0x0000000074ABE000-0x0000000074ABF000-memory.dmp

Filesize
4KB

Download
memory/948-1-0x0000000000400000-0x0000000000782000-memory.dmp

Filesize
3.5MB

Download
memory/948-13-0x0000000008170000-0x0000000008384000-memory.dmp

Filesize
2.1MB

Download
memory/948-14-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download
memory/948-15-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download
memory/948-16-0x0000000074ABE000-0x0000000074ABF000-memory.dmp

Filesize
4KB

Download
memory/948-17-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download
memory/948-18-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download
memory/948-19-0x0000000074AB0000-0x0000000075260000-memory.dmp

Filesize
7.7MB

Download