agenttesla | 4248a8c899ffd31c3b3771124b5aa9ddc5320bf5b4c274990969a663cda33c01

General

Target

SWIFT MT103.exe
Size

1.1MB
MD5

7864fb0b03ee179f129ac268e9c1e6c5
SHA1

b2c5fe1cdd6b50563d88d74ba4c2a5070401110f
SHA256

4248a8c899ffd31c3b3771124b5aa9ddc5320bf5b4c274990969a663cda33c01
SHA512

63d48a3ca4a586a1c6d66eaa4b76b2648dc5a5d885175b7ed54d6aaf0137c81a63d4f3ccf059637c3d118f518d182747cf6dbd7f02489efb5c510555e9e45096

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.adityagroup.co
Port:
587
Username:
[email protected]
Password:
Aditya!@#$%^

Signatures

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

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4048-128-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/4048-129-0x00000000004376CE-mapping.dmp	family_agenttesla
behavioral2/memory/4048-134-0x00000000054C0000-0x00000000059BE000-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-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run\tKZVPq = "C:\\Users\\Admin\\AppData\\Roaming\\tKZVPq\\tKZVPq.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

SWIFT MT103.exe

description pid process target process

PID 1420 set thread context of 4048 1420 SWIFT MT103.exe RegSvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

3500 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

SWIFT MT103.exeRegSvcs.exe

pid process

1420 SWIFT MT103.exe
4048 RegSvcs.exe
4048 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

SWIFT MT103.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1420 SWIFT MT103.exe
Token: SeDebugPrivilege 4048 RegSvcs.exe

description	pid	process	target process
PID 1420 set thread context of 4048	1420	SWIFT MT103.exe	RegSvcs.exe

pid	process
3500	schtasks.exe

pid	process
1420	SWIFT MT103.exe
4048	RegSvcs.exe
4048	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1420	SWIFT MT103.exe
Token: SeDebugPrivilege	4048	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

SWIFT MT103.exe

description	pid	process	target process
PID 1420 wrote to memory of 3500	1420	SWIFT MT103.exe	schtasks.exe
PID 1420 wrote to memory of 3500	1420	SWIFT MT103.exe	schtasks.exe
PID 1420 wrote to memory of 3500	1420	SWIFT MT103.exe	schtasks.exe
PID 1420 wrote to memory of 4048	1420	SWIFT MT103.exe	RegSvcs.exe
PID 1420 wrote to memory of 4048	1420	SWIFT MT103.exe	RegSvcs.exe
PID 1420 wrote to memory of 4048	1420	SWIFT MT103.exe	RegSvcs.exe
PID 1420 wrote to memory of 4048	1420	SWIFT MT103.exe	RegSvcs.exe
PID 1420 wrote to memory of 4048	1420	SWIFT MT103.exe	RegSvcs.exe
PID 1420 wrote to memory of 4048	1420	SWIFT MT103.exe	RegSvcs.exe
PID 1420 wrote to memory of 4048	1420	SWIFT MT103.exe	RegSvcs.exe
PID 1420 wrote to memory of 4048	1420	SWIFT MT103.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\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-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\SWIFT MT103.exe
"C:\Users\Admin\AppData\Local\Temp\SWIFT MT103.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1420

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bWreqUBBeQL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5C64.tmp"
2⤵
- Creates scheduled task(s)
PID:3500

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4048

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp5C64.tmp

MD5
af1b4113c655935e4e09ae4db1f880e5

SHA1
5b85695531cdb18eb5c574ebb3d445e56323749a

SHA256
8662de5afe341c4937c336abdcff55b268f3121606bd4e5549f5975658491c38

SHA512
9cebe6e203123a804ce407f9f6bff9f9680a4d4cfa3f09437277bc2764ed8459a41c643ceaa5d0890b583082ed2576a8519eabfa4969d8d7b9c206568f01f04f

Download Submit
memory/1420-124-0x000000000A8A0000-0x000000000A91F000-memory.dmp

Filesize
508KB

Download
memory/1420-123-0x00000000025E0000-0x00000000025EE000-memory.dmp

Filesize
56KB

Download
memory/1420-119-0x0000000004DF0000-0x0000000004DF1000-memory.dmp

Filesize
4KB

Download
memory/1420-120-0x0000000004DF0000-0x00000000052EE000-memory.dmp

Filesize
5.0MB

Download
memory/1420-125-0x000000000D920000-0x000000000D958000-memory.dmp

Filesize
224KB

Download
memory/1420-122-0x0000000004F50000-0x0000000004F51000-memory.dmp

Filesize
4KB

Download
memory/1420-118-0x00000000052F0000-0x00000000052F1000-memory.dmp

Filesize
4KB

Download
memory/1420-115-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/1420-121-0x0000000004C60000-0x0000000004C61000-memory.dmp

Filesize
4KB

Download
memory/1420-117-0x0000000004C90000-0x0000000004C91000-memory.dmp

Filesize
4KB

Download
memory/3500-126-0x0000000000000000-mapping.dmp

Download
memory/4048-128-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4048-129-0x00000000004376CE-mapping.dmp

Download
memory/4048-134-0x00000000054C0000-0x00000000059BE000-memory.dmp

Filesize
5.0MB

Download
memory/4048-135-0x00000000059A0000-0x00000000059A1000-memory.dmp

Filesize
4KB

Download
memory/4048-136-0x0000000006170000-0x0000000006171000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads