agenttesla | 58a726187796e298b5fe92879b80a7b777c89776e0c7d3b3caa2dc94c815e680

General

Target

INVOICE.pdf'.exe
Size

1008KB
MD5

d3da3181e517767e26773407e37aba0c
SHA1

93ac4cef1164b47ebc152f762762d9438c933670
SHA256

79b5d83bb67da34c7cef950987831c667cbb63282922c99d283beaa721266f97
SHA512

cdc657f75e0df03816051f11465d0c6ce4417649c20c0a6ef2dbfeeec8b8f08ea09d45e321bdffaff0bf3452bbb63bd87a95f90ef1dc1e4563f8ef63aa3139ee

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.lallyautomobiles.net
Port:
587
Username:
[email protected]
Password:
Welcome@2021

Signatures

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

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2268-124-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/2268-125-0x000000000043762E-mapping.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

INVOICE.pdf'.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts INVOICE.pdf'.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

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

INVOICE.pdf'.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe"	INVOICE.pdf'.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

INVOICE.pdf'.exe

description pid process target process

PID 3260 set thread context of 2268 3260 INVOICE.pdf'.exe INVOICE.pdf'.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

INVOICE.pdf'.exeINVOICE.pdf'.exe

pid process

3260 INVOICE.pdf'.exe
3260 INVOICE.pdf'.exe
2268 INVOICE.pdf'.exe
2268 INVOICE.pdf'.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

INVOICE.pdf'.exeINVOICE.pdf'.exe

description pid process

Token: SeDebugPrivilege 3260 INVOICE.pdf'.exe
Token: SeDebugPrivilege 2268 INVOICE.pdf'.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

INVOICE.pdf'.exe

pid process

2268 INVOICE.pdf'.exe

description	pid	process	target process
PID 3260 set thread context of 2268	3260	INVOICE.pdf'.exe	INVOICE.pdf'.exe

pid	process
3260	INVOICE.pdf'.exe
3260	INVOICE.pdf'.exe
2268	INVOICE.pdf'.exe
2268	INVOICE.pdf'.exe

description	pid	process
Token: SeDebugPrivilege	3260	INVOICE.pdf'.exe
Token: SeDebugPrivilege	2268	INVOICE.pdf'.exe

pid	process
2268	INVOICE.pdf'.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

INVOICE.pdf'.exe

description	pid	process	target process
PID 3260 wrote to memory of 2352	3260	INVOICE.pdf'.exe	INVOICE.pdf'.exe
PID 3260 wrote to memory of 2352	3260	INVOICE.pdf'.exe	INVOICE.pdf'.exe
PID 3260 wrote to memory of 2352	3260	INVOICE.pdf'.exe	INVOICE.pdf'.exe
PID 3260 wrote to memory of 2268	3260	INVOICE.pdf'.exe	INVOICE.pdf'.exe
PID 3260 wrote to memory of 2268	3260	INVOICE.pdf'.exe	INVOICE.pdf'.exe
PID 3260 wrote to memory of 2268	3260	INVOICE.pdf'.exe	INVOICE.pdf'.exe
PID 3260 wrote to memory of 2268	3260	INVOICE.pdf'.exe	INVOICE.pdf'.exe
PID 3260 wrote to memory of 2268	3260	INVOICE.pdf'.exe	INVOICE.pdf'.exe
PID 3260 wrote to memory of 2268	3260	INVOICE.pdf'.exe	INVOICE.pdf'.exe
PID 3260 wrote to memory of 2268	3260	INVOICE.pdf'.exe	INVOICE.pdf'.exe
PID 3260 wrote to memory of 2268	3260	INVOICE.pdf'.exe	INVOICE.pdf'.exe

C:\Users\Admin\AppData\Local\Temp\INVOICE.pdf'.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE.pdf'.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3260

C:\Users\Admin\AppData\Local\Temp\INVOICE.pdf'.exe
"{path}"
2⤵
PID:2352

C:\Users\Admin\AppData\Local\Temp\INVOICE.pdf'.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2268

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

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\INVOICE.pdf'.exe.log
MD5
0c2899d7c6746f42d5bbe088c777f94c

SHA1
622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

SHA256
5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

SHA512
ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

Download Submit
memory/2268-124-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2268-133-0x0000000005A50000-0x0000000005A51000-memory.dmp

Filesize
4KB

Download
memory/2268-132-0x00000000053C0000-0x00000000053C1000-memory.dmp

Filesize
4KB

Download
memory/2268-130-0x0000000004E00000-0x0000000004E01000-memory.dmp

Filesize
4KB

Download
memory/2268-125-0x000000000043762E-mapping.dmp

Download
memory/3260-118-0x0000000002850000-0x0000000002851000-memory.dmp

Filesize
4KB

Download
memory/3260-122-0x0000000007160000-0x000000000722A000-memory.dmp

Filesize
808KB

Download
memory/3260-123-0x0000000009850000-0x00000000098DA000-memory.dmp

Filesize
552KB

Download
memory/3260-121-0x0000000004D00000-0x0000000004D0E000-memory.dmp

Filesize
56KB

Download
memory/3260-120-0x0000000006FE0000-0x0000000006FE1000-memory.dmp

Filesize
4KB

Download
memory/3260-119-0x0000000004D50000-0x000000000524E000-memory.dmp

Filesize
5.0MB

Download
memory/3260-114-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/3260-117-0x0000000004C50000-0x0000000004C51000-memory.dmp

Filesize
4KB

Download
memory/3260-116-0x0000000005250000-0x0000000005251000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads