agenttesla | 7f34f49c31e075ddecd7c19e45cd2364fbc29fbb561d7e85db11f1e08913ed69

Analysis

max time kernel
125s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
12-06-2024 11:43

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General

Target

Request for quotation # 532465.pdf........................exe
Size

19KB
MD5

6a31128c19807fc52a90780dd7016ab3
SHA1

db8a662e197c954341458a671d7fd19050aa24e4
SHA256

33ffafc42576d24e6ccb7917a9f5e0f073ca1df9ce70c1a0af48a82bb63f0117
SHA512

0f6ff235b195671e5d1d0a63cade60f1cc662c7ee6a4f9e6e47c9ca60f01f3479e51a2e4c49635f8d2055edda968e46827833eff857520449147a8b7107dc9a0
SSDEEP

384:XDNGjDFYTk5CGbvi6zmYXg6EYsYiPKRxw+v2dugB3QUnwK6kNgCo:zNS6TAp9jpsYiStudugBtz6kPo

Score

10^/10

agenttesla purecrypter downloader keylogger loader persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.hazengineering.com
Port:
587
Username:
[email protected]
Password:
Hazmuh59!*

Extracted

Family

purecrypter

http://161.129.66.18/Yxnbi.wav

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.hazengineering.com
Port:
587
Username:
[email protected]
Password:
Hazmuh59!*
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
loader downloader purecrypter
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
T1552.001
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
T1552.001
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
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Request for quotation # 532465.pdf........................exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Uvbxhpguyb = "C:\\Users\\Admin\\AppData\\Roaming\\Uvbxhpguyb.exe"	Request for quotation # 532465.pdf........................exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Request for quotation # 532465.pdf........................exe

description	pid	process	target process
PID 1876 set thread context of 4784	1876	Request for quotation # 532465.pdf........................exe	Request for quotation # 532465.pdf........................exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Request for quotation # 532465.pdf........................exe

pid	process
4784	Request for quotation # 532465.pdf........................exe
4784	Request for quotation # 532465.pdf........................exe
4784	Request for quotation # 532465.pdf........................exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Request for quotation # 532465.pdf........................exeRequest for quotation # 532465.pdf........................exe

description	pid	process
Token: SeDebugPrivilege	1876	Request for quotation # 532465.pdf........................exe
Token: SeDebugPrivilege	1876	Request for quotation # 532465.pdf........................exe
Token: SeDebugPrivilege	4784	Request for quotation # 532465.pdf........................exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Request for quotation # 532465.pdf........................exe

description	pid	process	target process
PID 1876 wrote to memory of 4784	1876	Request for quotation # 532465.pdf........................exe	Request for quotation # 532465.pdf........................exe
PID 1876 wrote to memory of 4784	1876	Request for quotation # 532465.pdf........................exe	Request for quotation # 532465.pdf........................exe
PID 1876 wrote to memory of 4784	1876	Request for quotation # 532465.pdf........................exe	Request for quotation # 532465.pdf........................exe
PID 1876 wrote to memory of 4784	1876	Request for quotation # 532465.pdf........................exe	Request for quotation # 532465.pdf........................exe
PID 1876 wrote to memory of 4784	1876	Request for quotation # 532465.pdf........................exe	Request for quotation # 532465.pdf........................exe
PID 1876 wrote to memory of 4784	1876	Request for quotation # 532465.pdf........................exe	Request for quotation # 532465.pdf........................exe
PID 1876 wrote to memory of 4784	1876	Request for quotation # 532465.pdf........................exe	Request for quotation # 532465.pdf........................exe
PID 1876 wrote to memory of 4784	1876	Request for quotation # 532465.pdf........................exe	Request for quotation # 532465.pdf........................exe

C:\Users\Admin\AppData\Local\Temp\Request for quotation # 532465.pdf........................exe
"C:\Users\Admin\AppData\Local\Temp\Request for quotation # 532465.pdf........................exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1876
- C:\Users\Admin\AppData\Local\Temp\Request for quotation # 532465.pdf........................exe
  "C:\Users\Admin\AppData\Local\Temp\Request for quotation # 532465.pdf........................exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4784

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=2536,i,3144109701624127473,12586215149656995128,262144 --variations-seed-version --mojo-platform-channel-handle=4156 /prefetch:8
1⤵
PID:4504

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Request for quotation # 532465.pdf........................exe.log

Filesize
1KB

MD5
f3eb81974dc5933681e933f07209ff5f

SHA1
7af8cae0f1d03e82daaf784df9886705685baac7

SHA256
e82069884dd428bd6a1c67fe00c5fa56f9c4d62b538b694694a699588f1f4ab2

SHA512
d9aa3871dffb76c8a73a7940fa03bbc9b65cf575cbd07f7c1fbf490cb0f3d670415eaef0bf79e34689f61ab3cdfbb104efdef004becc12e54b501f02f948aaff

Download Submit
memory/1876-0-0x0000000074D1E000-0x0000000074D1F000-memory.dmp

Filesize
4KB

Download
memory/1876-1-0x0000000000DA0000-0x0000000000DAC000-memory.dmp

Filesize
48KB

Download
memory/1876-2-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/1876-3-0x0000000007A90000-0x0000000007CC2000-memory.dmp

Filesize
2.2MB

Download
memory/1876-4-0x0000000008270000-0x0000000008814000-memory.dmp

Filesize
5.6MB

Download
memory/1876-5-0x0000000007D70000-0x0000000007E02000-memory.dmp

Filesize
584KB

Download
memory/1876-6-0x0000000007A90000-0x0000000007CBC000-memory.dmp

Filesize
2.2MB

Download
memory/1876-23-0x0000000007A90000-0x0000000007CBC000-memory.dmp

Filesize
2.2MB

Download
memory/1876-33-0x0000000007A90000-0x0000000007CBC000-memory.dmp

Filesize
2.2MB

Download
memory/1876-31-0x0000000007A90000-0x0000000007CBC000-memory.dmp

Filesize
2.2MB

Download
memory/1876-29-0x0000000007A90000-0x0000000007CBC000-memory.dmp

Filesize
2.2MB

Download
memory/1876-27-0x0000000007A90000-0x0000000007CBC000-memory.dmp

Filesize
2.2MB

Download
memory/1876-25-0x0000000007A90000-0x0000000007CBC000-memory.dmp

Filesize
2.2MB

Download
memory/1876-21-0x0000000007A90000-0x0000000007CBC000-memory.dmp

Filesize
2.2MB

Download
memory/1876-19-0x0000000007A90000-0x0000000007CBC000-memory.dmp

Filesize
2.2MB

Download
memory/1876-17-0x0000000007A90000-0x0000000007CBC000-memory.dmp

Filesize
2.2MB

Download
memory/1876-15-0x0000000007A90000-0x0000000007CBC000-memory.dmp

Filesize
2.2MB

Download
memory/1876-13-0x0000000007A90000-0x0000000007CBC000-memory.dmp

Filesize
2.2MB

Download
memory/1876-11-0x0000000007A90000-0x0000000007CBC000-memory.dmp

Filesize
2.2MB

Download
memory/1876-9-0x0000000007A90000-0x0000000007CBC000-memory.dmp

Filesize
2.2MB

Download
memory/1876-7-0x0000000007A90000-0x0000000007CBC000-memory.dmp

Filesize
2.2MB

Download
memory/1876-49-0x0000000007A90000-0x0000000007CBC000-memory.dmp

Filesize
2.2MB

Download
memory/1876-53-0x0000000007A90000-0x0000000007CBC000-memory.dmp

Filesize
2.2MB

Download
memory/1876-69-0x0000000007A90000-0x0000000007CBC000-memory.dmp

Filesize
2.2MB

Download
memory/1876-67-0x0000000007A90000-0x0000000007CBC000-memory.dmp

Filesize
2.2MB

Download
memory/1876-65-0x0000000007A90000-0x0000000007CBC000-memory.dmp

Filesize
2.2MB

Download
memory/1876-63-0x0000000007A90000-0x0000000007CBC000-memory.dmp

Filesize
2.2MB

Download
memory/1876-59-0x0000000007A90000-0x0000000007CBC000-memory.dmp

Filesize
2.2MB

Download
memory/1876-57-0x0000000007A90000-0x0000000007CBC000-memory.dmp

Filesize
2.2MB

Download
memory/1876-51-0x0000000007A90000-0x0000000007CBC000-memory.dmp

Filesize
2.2MB

Download
memory/1876-47-0x0000000007A90000-0x0000000007CBC000-memory.dmp

Filesize
2.2MB

Download
memory/1876-45-0x0000000007A90000-0x0000000007CBC000-memory.dmp

Filesize
2.2MB

Download
memory/1876-41-0x0000000007A90000-0x0000000007CBC000-memory.dmp

Filesize
2.2MB

Download
memory/1876-39-0x0000000007A90000-0x0000000007CBC000-memory.dmp

Filesize
2.2MB

Download
memory/1876-37-0x0000000007A90000-0x0000000007CBC000-memory.dmp

Filesize
2.2MB

Download
memory/1876-35-0x0000000007A90000-0x0000000007CBC000-memory.dmp

Filesize
2.2MB

Download
memory/1876-61-0x0000000007A90000-0x0000000007CBC000-memory.dmp

Filesize
2.2MB

Download
memory/1876-55-0x0000000007A90000-0x0000000007CBC000-memory.dmp

Filesize
2.2MB

Download
memory/1876-43-0x0000000007A90000-0x0000000007CBC000-memory.dmp

Filesize
2.2MB

Download
memory/1876-4892-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/1876-4894-0x00000000060B0000-0x00000000060FC000-memory.dmp

Filesize
304KB

Download
memory/1876-4893-0x0000000005FC0000-0x000000000602E000-memory.dmp

Filesize
440KB

Download
memory/1876-4895-0x0000000006170000-0x00000000061C4000-memory.dmp

Filesize
336KB

Download
memory/1876-4900-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/4784-4901-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/4784-4902-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/4784-4903-0x0000000005680000-0x00000000056E6000-memory.dmp

Filesize
408KB

Download
memory/4784-4904-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/4784-4905-0x0000000006360000-0x00000000063B0000-memory.dmp

Filesize
320KB

Download
memory/4784-4906-0x0000000006450000-0x00000000064EC000-memory.dmp

Filesize
624KB

Download
memory/4784-4907-0x00000000069F0000-0x00000000069FA000-memory.dmp

Filesize
40KB

Download
memory/4784-4908-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download