agenttesla | d24842b404e95766700c3f37cc0e6266beebd1533082ec7d4443ee61637a2002

Analysis

max time kernel
225s
max time network
244s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
08-12-2022 14:28

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General

Target

GIBI.exe
Size

930KB
MD5

f4669b8159d06fd545b1bcf07507ff54
SHA1

0544a42fc5d4b443a9e07b1ff24a65bfa309b7fd
SHA256

d24842b404e95766700c3f37cc0e6266beebd1533082ec7d4443ee61637a2002
SHA512

8887f432064ffe706959a53496bf0a182d8c52eab3c715bda31b2df346903e67818fe5400acd14c9a5888589324f1191c17b0515448a41bd8b463fd9c85aaed2
SSDEEP

24576:IHZFWD781RX1k6zTkaSci1PcBk3WDxwg5+R:l7831kmAFPcUW7e

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot2134979594:AAFk4QkrlHlt2a-q-EhIoHZBbzxSH0QxiBI/sendDocument

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
behavioral2/memory/2516-140-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

RegSvcs.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

GIBI.exe

description pid process target process

PID 2128 set thread context of 2516 2128 GIBI.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

GIBI.exeRegSvcs.exe

pid process

2128 GIBI.exe
2128 GIBI.exe
2128 GIBI.exe
2128 GIBI.exe
2128 GIBI.exe
2516 RegSvcs.exe
2516 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

GIBI.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 2128 GIBI.exe
Token: SeDebugPrivilege 2516 RegSvcs.exe

description	pid	process	target process
PID 2128 set thread context of 2516	2128	GIBI.exe	RegSvcs.exe

pid	process
2128	GIBI.exe
2128	GIBI.exe
2128	GIBI.exe
2128	GIBI.exe
2128	GIBI.exe
2516	RegSvcs.exe
2516	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2128	GIBI.exe
Token: SeDebugPrivilege	2516	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

GIBI.exe

description	pid	process	target process
PID 2128 wrote to memory of 4596	2128	GIBI.exe	RegSvcs.exe
PID 2128 wrote to memory of 4596	2128	GIBI.exe	RegSvcs.exe
PID 2128 wrote to memory of 4596	2128	GIBI.exe	RegSvcs.exe
PID 2128 wrote to memory of 644	2128	GIBI.exe	RegSvcs.exe
PID 2128 wrote to memory of 644	2128	GIBI.exe	RegSvcs.exe
PID 2128 wrote to memory of 644	2128	GIBI.exe	RegSvcs.exe
PID 2128 wrote to memory of 2516	2128	GIBI.exe	RegSvcs.exe
PID 2128 wrote to memory of 2516	2128	GIBI.exe	RegSvcs.exe
PID 2128 wrote to memory of 2516	2128	GIBI.exe	RegSvcs.exe
PID 2128 wrote to memory of 2516	2128	GIBI.exe	RegSvcs.exe
PID 2128 wrote to memory of 2516	2128	GIBI.exe	RegSvcs.exe
PID 2128 wrote to memory of 2516	2128	GIBI.exe	RegSvcs.exe
PID 2128 wrote to memory of 2516	2128	GIBI.exe	RegSvcs.exe
PID 2128 wrote to memory of 2516	2128	GIBI.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.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	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.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	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\GIBI.exe
"C:\Users\Admin\AppData\Local\Temp\GIBI.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2128

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
PID:4596

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
PID:644

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:2516

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/644-138-0x0000000000000000-mapping.dmp

Download
memory/2128-132-0x0000000000EE0000-0x0000000000FCE000-memory.dmp

Filesize
952KB

Download
memory/2128-133-0x0000000005F70000-0x0000000006514000-memory.dmp

Filesize
5.6MB

Download
memory/2128-134-0x00000000059C0000-0x0000000005A52000-memory.dmp

Filesize
584KB

Download
memory/2128-135-0x0000000005A60000-0x0000000005AFC000-memory.dmp

Filesize
624KB

Download
memory/2128-136-0x0000000005960000-0x000000000596A000-memory.dmp

Filesize
40KB

Download
memory/2516-139-0x0000000000000000-mapping.dmp

Download
memory/2516-140-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2516-141-0x0000000005F10000-0x0000000005F76000-memory.dmp

Filesize
408KB

Download
memory/2516-142-0x0000000006080000-0x00000000060D0000-memory.dmp

Filesize
320KB

Download
memory/4596-137-0x0000000000000000-mapping.dmp

Download