agenttesla | 925c73a3df8d17a05c817d9b19d8dafeeaf208f23de3f8087107372d529076ab

General

Target

DOCUMENT.exe
Size

488KB
MD5

6812d384da2903359c89789715573971
SHA1

ecf388668fad2da58eb805383052cf4edece649d
SHA256

925c73a3df8d17a05c817d9b19d8dafeeaf208f23de3f8087107372d529076ab
SHA512

16c8c092e788829a54bb824bb2ab223056e38fef240c734bdf225a893b69104cc4506014ca2d5040b1f11567ce908ca65398f3efeb344047535ddb93741e2a52

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.scsgroups.com
Port:
587
Username:
[email protected]
Password:
Scs@looi1007

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/3924-124-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/3924-125-0x000000000043763E-mapping.dmp	family_agenttesla
behavioral2/memory/3924-130-0x0000000005570000-0x0000000005A6E000-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\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
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\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\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

DOCUMENT.exe

description pid process target process

PID 4056 set thread context of 3924 4056 DOCUMENT.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

DOCUMENT.exeRegSvcs.exe

pid process

4056 DOCUMENT.exe
4056 DOCUMENT.exe
4056 DOCUMENT.exe
4056 DOCUMENT.exe
4056 DOCUMENT.exe
4056 DOCUMENT.exe
3924 RegSvcs.exe
3924 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

DOCUMENT.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 4056 DOCUMENT.exe
Token: SeDebugPrivilege 3924 RegSvcs.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegSvcs.exe

pid process

3924 RegSvcs.exe

description	pid	process	target process
PID 4056 set thread context of 3924	4056	DOCUMENT.exe	RegSvcs.exe

pid	process
4056	DOCUMENT.exe
4056	DOCUMENT.exe
4056	DOCUMENT.exe
4056	DOCUMENT.exe
4056	DOCUMENT.exe
4056	DOCUMENT.exe
3924	RegSvcs.exe
3924	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	4056	DOCUMENT.exe
Token: SeDebugPrivilege	3924	RegSvcs.exe

pid	process
3924	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

DOCUMENT.exe

description	pid	process	target process
PID 4056 wrote to memory of 1552	4056	DOCUMENT.exe	RegSvcs.exe
PID 4056 wrote to memory of 1552	4056	DOCUMENT.exe	RegSvcs.exe
PID 4056 wrote to memory of 1552	4056	DOCUMENT.exe	RegSvcs.exe
PID 4056 wrote to memory of 3892	4056	DOCUMENT.exe	RegSvcs.exe
PID 4056 wrote to memory of 3892	4056	DOCUMENT.exe	RegSvcs.exe
PID 4056 wrote to memory of 3892	4056	DOCUMENT.exe	RegSvcs.exe
PID 4056 wrote to memory of 3924	4056	DOCUMENT.exe	RegSvcs.exe
PID 4056 wrote to memory of 3924	4056	DOCUMENT.exe	RegSvcs.exe
PID 4056 wrote to memory of 3924	4056	DOCUMENT.exe	RegSvcs.exe
PID 4056 wrote to memory of 3924	4056	DOCUMENT.exe	RegSvcs.exe
PID 4056 wrote to memory of 3924	4056	DOCUMENT.exe	RegSvcs.exe
PID 4056 wrote to memory of 3924	4056	DOCUMENT.exe	RegSvcs.exe
PID 4056 wrote to memory of 3924	4056	DOCUMENT.exe	RegSvcs.exe
PID 4056 wrote to memory of 3924	4056	DOCUMENT.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\DOCUMENT.exe
"C:\Users\Admin\AppData\Local\Temp\DOCUMENT.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4056

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
PID:1552

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
PID:3892

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:3924

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/3924-124-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3924-132-0x0000000006360000-0x0000000006361000-memory.dmp

Filesize
4KB

Download
memory/3924-131-0x00000000059A0000-0x00000000059A1000-memory.dmp

Filesize
4KB

Download
memory/3924-130-0x0000000005570000-0x0000000005A6E000-memory.dmp

Filesize
5.0MB

Download
memory/3924-125-0x000000000043763E-mapping.dmp

Download
memory/4056-119-0x00000000056F0000-0x0000000005BEE000-memory.dmp

Filesize
5.0MB

Download
memory/4056-122-0x0000000005B20000-0x0000000005B26000-memory.dmp

Filesize
24KB

Download
memory/4056-123-0x0000000006630000-0x0000000006699000-memory.dmp

Filesize
420KB

Download
memory/4056-121-0x0000000006390000-0x0000000006391000-memory.dmp

Filesize
4KB

Download
memory/4056-120-0x0000000003260000-0x0000000003261000-memory.dmp

Filesize
4KB

Download
memory/4056-115-0x0000000000E30000-0x0000000000E31000-memory.dmp

Filesize
4KB

Download
memory/4056-118-0x0000000005790000-0x0000000005791000-memory.dmp

Filesize
4KB

Download
memory/4056-117-0x0000000005BF0000-0x0000000005BF1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads