agenttesla | 11c57727c43aa2062fb4194e9df78a89a9482169f603f7ead5bdd77f2ccf69d6

General

Target

2129-20 30% CLAIM - PO SPO21-01-072.exe
Size

713KB
MD5

24b0181283f32c69f89e64761c4f4cd9
SHA1

cae8734f820537adda23e7cf891ebcd92b0e4c1c
SHA256

11c57727c43aa2062fb4194e9df78a89a9482169f603f7ead5bdd77f2ccf69d6
SHA512

5600df81269b5c34f639c4ffe0cc3ad3438bdffdf1168384397503bba3a378af5c136e6e0c9ddacfa32dcdec6ccbfa87a68c4fe095017e525e0843b96da9b278

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.boikgold.com
Port:
587
Username:
[email protected]
Password:
iskraines@2017

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/3872-124-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/3872-125-0x000000000043759E-mapping.dmp	family_agenttesla
behavioral2/memory/3872-131-0x0000000004EC0000-0x00000000053BE000-memory.dmp	family_agenttesla

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

Processes:

resource	yara_rule
behavioral2/memory/992-121-0x00000000043A0000-0x00000000043AB000-memory.dmp	CustAttr

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

2129-20 30% CLAIM - PO SPO21-01-072.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\kSrYER = "C:\\Users\\Admin\\AppData\\Roaming\\kSrYER\\kSrYER.exe"	2129-20 30% CLAIM - PO SPO21-01-072.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

2129-20 30% CLAIM - PO SPO21-01-072.exe

description	pid	process	target process
PID 992 set thread context of 3872	992	2129-20 30% CLAIM - PO SPO21-01-072.exe	2129-20 30% CLAIM - PO SPO21-01-072.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

2129-20 30% CLAIM - PO SPO21-01-072.exe

pid process

3872 2129-20 30% CLAIM - PO SPO21-01-072.exe
3872 2129-20 30% CLAIM - PO SPO21-01-072.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

2129-20 30% CLAIM - PO SPO21-01-072.exe

description pid process

Token: SeDebugPrivilege 3872 2129-20 30% CLAIM - PO SPO21-01-072.exe

pid	process
3872	2129-20 30% CLAIM - PO SPO21-01-072.exe
3872	2129-20 30% CLAIM - PO SPO21-01-072.exe

description	pid	process
Token: SeDebugPrivilege	3872	2129-20 30% CLAIM - PO SPO21-01-072.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

2129-20 30% CLAIM - PO SPO21-01-072.exe

description	pid	process	target process
PID 992 wrote to memory of 3872	992	2129-20 30% CLAIM - PO SPO21-01-072.exe	2129-20 30% CLAIM - PO SPO21-01-072.exe
PID 992 wrote to memory of 3872	992	2129-20 30% CLAIM - PO SPO21-01-072.exe	2129-20 30% CLAIM - PO SPO21-01-072.exe
PID 992 wrote to memory of 3872	992	2129-20 30% CLAIM - PO SPO21-01-072.exe	2129-20 30% CLAIM - PO SPO21-01-072.exe
PID 992 wrote to memory of 3872	992	2129-20 30% CLAIM - PO SPO21-01-072.exe	2129-20 30% CLAIM - PO SPO21-01-072.exe
PID 992 wrote to memory of 3872	992	2129-20 30% CLAIM - PO SPO21-01-072.exe	2129-20 30% CLAIM - PO SPO21-01-072.exe
PID 992 wrote to memory of 3872	992	2129-20 30% CLAIM - PO SPO21-01-072.exe	2129-20 30% CLAIM - PO SPO21-01-072.exe
PID 992 wrote to memory of 3872	992	2129-20 30% CLAIM - PO SPO21-01-072.exe	2129-20 30% CLAIM - PO SPO21-01-072.exe
PID 992 wrote to memory of 3872	992	2129-20 30% CLAIM - PO SPO21-01-072.exe	2129-20 30% CLAIM - PO SPO21-01-072.exe

C:\Users\Admin\AppData\Local\Temp\2129-20 30% CLAIM - PO SPO21-01-072.exe
"C:\Users\Admin\AppData\Local\Temp\2129-20 30% CLAIM - PO SPO21-01-072.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:992

C:\Users\Admin\AppData\Local\Temp\2129-20 30% CLAIM - PO SPO21-01-072.exe
"C:\Users\Admin\AppData\Local\Temp\2129-20 30% CLAIM - PO SPO21-01-072.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3872

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

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\2129-20 30% CLAIM - PO SPO21-01-072.exe.log
MD5
0c2899d7c6746f42d5bbe088c777f94c

SHA1
622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

SHA256
5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

SHA512
ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

Download Submit
memory/992-121-0x00000000043A0000-0x00000000043AB000-memory.dmp

Filesize
44KB

Download
memory/992-123-0x0000000007140000-0x0000000007179000-memory.dmp

Filesize
228KB

Download
memory/992-118-0x00000000048E0000-0x0000000004DDE000-memory.dmp

Filesize
5.0MB

Download
memory/992-119-0x0000000004AE0000-0x0000000004AE1000-memory.dmp

Filesize
4KB

Download
memory/992-120-0x0000000004C20000-0x0000000004C21000-memory.dmp

Filesize
4KB

Download
memory/992-114-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/992-122-0x00000000070C0000-0x000000000713E000-memory.dmp

Filesize
504KB

Download
memory/992-117-0x0000000004980000-0x0000000004981000-memory.dmp

Filesize
4KB

Download
memory/992-116-0x0000000004DE0000-0x0000000004DE1000-memory.dmp

Filesize
4KB

Download
memory/3872-125-0x000000000043759E-mapping.dmp

Download
memory/3872-124-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3872-131-0x0000000004EC0000-0x00000000053BE000-memory.dmp

Filesize
5.0MB

Download
memory/3872-132-0x0000000005320000-0x0000000005321000-memory.dmp

Filesize
4KB

Download
memory/3872-133-0x0000000005BB0000-0x0000000005BB1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads