agenttesla | 4125f2eb7af619c5a6dd3603246f22310995e7bbfb8bc03e032ca74bd8243fe1

General

Target

70654 SSEBACT.exe
Size

451KB
MD5

d4fbd30ce19b0d9632201fbfe9b9943d
SHA1

f0dbe35cf51b8b1c909ec0ea5a8c1228986f36ab
SHA256

192af07a83d42e824b8afc672e276e9f7906fc40c36776cb309e3d7762851206
SHA512

562c44288f64e38af06f6a462ebbe5a51ae1b397095e30f6ae27fbf60dd499e9e015bd0facb2b82393b7c974e3cabe5a0ad32ce440401b5bfb21b068d56ec13c

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.timsonlogisticske.com
Port:
587
Username:
[email protected]
Password:
timsam2015

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/680-124-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/680-125-0x000000000043761E-mapping.dmp	family_agenttesla
behavioral2/memory/680-130-0x0000000005120000-0x000000000561E000-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-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\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-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

70654 SSEBACT.exe

description pid process target process

PID 2076 set thread context of 680 2076 70654 SSEBACT.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

70654 SSEBACT.exeRegSvcs.exe

pid process

2076 70654 SSEBACT.exe
2076 70654 SSEBACT.exe
680 RegSvcs.exe
680 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

70654 SSEBACT.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 2076 70654 SSEBACT.exe
Token: SeDebugPrivilege 680 RegSvcs.exe

description	pid	process	target process
PID 2076 set thread context of 680	2076	70654 SSEBACT.exe	RegSvcs.exe

pid	process
2076	70654 SSEBACT.exe
2076	70654 SSEBACT.exe
680	RegSvcs.exe
680	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2076	70654 SSEBACT.exe
Token: SeDebugPrivilege	680	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

70654 SSEBACT.exe

description	pid	process	target process
PID 2076 wrote to memory of 680	2076	70654 SSEBACT.exe	RegSvcs.exe
PID 2076 wrote to memory of 680	2076	70654 SSEBACT.exe	RegSvcs.exe
PID 2076 wrote to memory of 680	2076	70654 SSEBACT.exe	RegSvcs.exe
PID 2076 wrote to memory of 680	2076	70654 SSEBACT.exe	RegSvcs.exe
PID 2076 wrote to memory of 680	2076	70654 SSEBACT.exe	RegSvcs.exe
PID 2076 wrote to memory of 680	2076	70654 SSEBACT.exe	RegSvcs.exe
PID 2076 wrote to memory of 680	2076	70654 SSEBACT.exe	RegSvcs.exe
PID 2076 wrote to memory of 680	2076	70654 SSEBACT.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\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-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\70654 SSEBACT.exe
"C:\Users\Admin\AppData\Local\Temp\70654 SSEBACT.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2076

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
- outlook_office_path
- outlook_win_path
PID:680

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/680-124-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/680-135-0x0000000005120000-0x000000000561E000-memory.dmp

Filesize
5.0MB

Download
memory/680-132-0x0000000005F10000-0x0000000005F11000-memory.dmp

Filesize
4KB

Download
memory/680-131-0x0000000005290000-0x0000000005291000-memory.dmp

Filesize
4KB

Download
memory/680-130-0x0000000005120000-0x000000000561E000-memory.dmp

Filesize
5.0MB

Download
memory/680-125-0x000000000043761E-mapping.dmp

Download
memory/2076-119-0x0000000005110000-0x0000000005111000-memory.dmp

Filesize
4KB

Download
memory/2076-123-0x0000000006FA0000-0x0000000006FF9000-memory.dmp

Filesize
356KB

Download
memory/2076-122-0x00000000050C0000-0x00000000055BE000-memory.dmp

Filesize
5.0MB

Download
memory/2076-121-0x0000000007520000-0x0000000007528000-memory.dmp

Filesize
32KB

Download
memory/2076-120-0x00000000075C0000-0x00000000075C1000-memory.dmp

Filesize
4KB

Download
memory/2076-115-0x0000000000850000-0x0000000000851000-memory.dmp

Filesize
4KB

Download
memory/2076-118-0x0000000005160000-0x0000000005161000-memory.dmp

Filesize
4KB

Download
memory/2076-117-0x00000000055C0000-0x00000000055C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads