agenttesla | d2bfb8991bcbbae16022097161db1188c7f3ad19bdebe029fbfe803afad45f63

General

Target

vbc.exe
Size

523KB
MD5

53b9e0fde66e12f4fed9b8387552e1d2
SHA1

bab7a3747119c6a157798bdd1113940d50071cd7
SHA256

d2bfb8991bcbbae16022097161db1188c7f3ad19bdebe029fbfe803afad45f63
SHA512

e42403f031086c39bd1024619a7296260a350537f80aa20e4a136165e20504f6e1aaf375c887dac78325ef21fd1de2dd74507fd95bd4a5b37147672cb1b03ca3
SSDEEP

12288:yL5b2iN5ce0gNstVxuGJHHyp6Eh3CqAs3E:uh1TcZptSsHMG

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.eyeshop.co.za
Port:
587
Username:
reynoridge@eyeshop.co.za
Password:
eyeS@p0

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.eyeshop.co.za
Port:
587
Username:
reynoridge@eyeshop.co.za
Password:
eyeS@p0
Email To:
xqalloys@gmail.com

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Drops file in Drivers directory 1 IoCs

Processes:

vbc.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts vbc.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	vbc.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

vbc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

vbc.exe

description pid process target process

PID 2056 set thread context of 260 2056 vbc.exe vbc.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

vbc.exe

pid process

260 vbc.exe
260 vbc.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

vbc.exe

description pid process

Token: SeDebugPrivilege 260 vbc.exe

description	pid	process	target process
PID 2056 set thread context of 260	2056	vbc.exe	vbc.exe

pid	process
260	vbc.exe
260	vbc.exe

description	pid	process
Token: SeDebugPrivilege	260	vbc.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

vbc.exe

description	pid	process	target process
PID 2056 wrote to memory of 260	2056	vbc.exe	vbc.exe
PID 2056 wrote to memory of 260	2056	vbc.exe	vbc.exe
PID 2056 wrote to memory of 260	2056	vbc.exe	vbc.exe
PID 2056 wrote to memory of 260	2056	vbc.exe	vbc.exe
PID 2056 wrote to memory of 260	2056	vbc.exe	vbc.exe
PID 2056 wrote to memory of 260	2056	vbc.exe	vbc.exe
PID 2056 wrote to memory of 260	2056	vbc.exe	vbc.exe
PID 2056 wrote to memory of 260	2056	vbc.exe	vbc.exe

outlook_office_path 1 IoCs

Processes:

vbc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

outlook_win_path 1 IoCs

Processes:

vbc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

C:\Users\Admin\AppData\Local\Temp\vbc.exe
"C:\Users\Admin\AppData\Local\Temp\vbc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2056

C:\Users\Admin\AppData\Local\Temp\vbc.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:260

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\vbc.exe.log
Filesize
1KB

MD5
84e77a587d94307c0ac1357eb4d3d46f

SHA1
83cc900f9401f43d181207d64c5adba7a85edc1e

SHA256
e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

SHA512
aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

Download Submit
memory/260-137-0x0000000000000000-mapping.dmp

Download
memory/260-138-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/260-140-0x00000000061D0000-0x0000000006236000-memory.dmp

Filesize
408KB

Download
memory/260-141-0x00000000068D0000-0x0000000006920000-memory.dmp

Filesize
320KB

Download
memory/2056-132-0x0000000000210000-0x0000000000298000-memory.dmp

Filesize
544KB

Download
memory/2056-133-0x0000000005140000-0x00000000056E4000-memory.dmp

Filesize
5.6MB

Download
memory/2056-134-0x0000000004AE0000-0x0000000004B72000-memory.dmp

Filesize
584KB

Download
memory/2056-135-0x0000000004C30000-0x0000000004CCC000-memory.dmp

Filesize
624KB

Download
memory/2056-136-0x0000000004BA0000-0x0000000004BAA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads