agenttesla | 59835c212a91ef8bfda731b69b674d6cf0d6f4086cb67e40ee2dff16ede8294a

General

Target

600595460 DHL_AWB no.exe
Size

420KB
MD5

a113ca929d6eb66eb6bff41cca249112
SHA1

2146d97082a0dec67743a5c980ee278d3ce657d5
SHA256

0cd4e80d3ea65f95f633e4f475ab1027d064c24ac73db1dda8c997aa62f1b08f
SHA512

82498fe54db055359807625d2b272c41deee6e166bcaa312b2c91f66746781a1b305d820c13f7c68b05106ca1e57b7c550d565623ee056b8545dc654f802ad0b
SSDEEP

12288:a2iN0zYdHebKiYHxL1Op6Aie72VPps1NKBwr:a1AqHeb3mL1y6uas1NKBw

Score

10^/10

agenttesla collection keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.agri-chernicals.net
Port:
587
Username:
[email protected]
Password:
x(jhBsE7

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/5052-11-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla

ReZer0 packer 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

resource	yara_rule
behavioral2/memory/4412-9-0x0000000006C60000-0x0000000006CB8000-memory.dmp	rezer0

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	600595460 DHL_AWB no.exe
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	600595460 DHL_AWB no.exe
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	600595460 DHL_AWB no.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4412 set thread context of 5052	4412	600595460 DHL_AWB no.exe	96

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5052	600595460 DHL_AWB no.exe
5052	600595460 DHL_AWB no.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5052	600595460 DHL_AWB no.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4412 wrote to memory of 5052	4412	600595460 DHL_AWB no.exe	96
PID 4412 wrote to memory of 5052	4412	600595460 DHL_AWB no.exe	96
PID 4412 wrote to memory of 5052	4412	600595460 DHL_AWB no.exe	96
PID 4412 wrote to memory of 5052	4412	600595460 DHL_AWB no.exe	96
PID 4412 wrote to memory of 5052	4412	600595460 DHL_AWB no.exe	96
PID 4412 wrote to memory of 5052	4412	600595460 DHL_AWB no.exe	96
PID 4412 wrote to memory of 5052	4412	600595460 DHL_AWB no.exe	96
PID 4412 wrote to memory of 5052	4412	600595460 DHL_AWB no.exe	96

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	600595460 DHL_AWB no.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	600595460 DHL_AWB no.exe

C:\Users\Admin\AppData\Local\Temp\600595460 DHL_AWB no.exe
"C:\Users\Admin\AppData\Local\Temp\600595460 DHL_AWB no.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4412
- C:\Users\Admin\AppData\Local\Temp\600595460 DHL_AWB no.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:5052

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 --no-appcompat-clear --mojo-platform-channel-handle=4040 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:8
1⤵
PID:4368

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4412-10-0x0000000006D60000-0x0000000006DFC000-memory.dmp

Filesize
624KB

Download
memory/4412-2-0x00000000053F0000-0x0000000005994000-memory.dmp

Filesize
5.6MB

Download
memory/4412-0-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/4412-3-0x0000000004EE0000-0x0000000004F72000-memory.dmp

Filesize
584KB

Download
memory/4412-4-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/4412-5-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/4412-6-0x0000000005090000-0x000000000509A000-memory.dmp

Filesize
40KB

Download
memory/4412-7-0x0000000005120000-0x000000000512A000-memory.dmp

Filesize
40KB

Download
memory/4412-15-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/4412-9-0x0000000006C60000-0x0000000006CB8000-memory.dmp

Filesize
352KB

Download
memory/4412-8-0x0000000006810000-0x0000000006B64000-memory.dmp

Filesize
3.3MB

Download
memory/4412-1-0x0000000000450000-0x00000000004C0000-memory.dmp

Filesize
448KB

Download
memory/5052-22-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/5052-14-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/5052-12-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/5052-16-0x00000000057A0000-0x00000000057B8000-memory.dmp

Filesize
96KB

Download
memory/5052-17-0x0000000006390000-0x00000000063F6000-memory.dmp

Filesize
408KB

Download
memory/5052-18-0x0000000006B50000-0x0000000006BA0000-memory.dmp

Filesize
320KB

Download
memory/5052-19-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/5052-20-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/5052-21-0x0000000074DC0000-0x0000000075570000-memory.dmp

Filesize
7.7MB

Download
memory/5052-11-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download

Analysis

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