agenttesla | 85d955830522460b5b0a001b35c7bf6b99962b6a4e8431990f24c077a9474bd3

General

Target

DHL Express Shipment Documents.exe
Size

791KB
MD5

32637f18fd6b2728d0d023fece62ed0e
SHA1

f1a935df27f8307450ece11578a6e798c394276e
SHA256

85d955830522460b5b0a001b35c7bf6b99962b6a4e8431990f24c077a9474bd3
SHA512

bcb88bbf6f86452db5457c552c7e6fe7599d366e0ba7486889caa3d1fe34dd2e547808abcd7088c3e44b71bdcce70463d2930c826ae5e325717a8bcf8c31a775
SSDEEP

12288:uhu4qDSu4Dsv9tXGJriI5+iK6MYWCYnOE7RUv4TvebtMDsv9tYVBjyE0Cb9hNZdt:uhu4qDSub8rG6MYWOE7MOeGZ

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://discord.com/api/webhooks/1075778535278518443/QQb7Cd08b69uL50e3krm5eUuWTxoJlmNvAzD2e00mUF_DkIk551NHimF6vf-8Owfolb0

Signatures

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL Express Shipment Documents.exe
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL Express Shipment Documents.exe
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL Express Shipment Documents.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Skype = "C:\\Users\\Admin\\AppData\\Roaming\\Skype\\Skype.exe"	DHL Express Shipment Documents.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
90	api.ipify.org
89	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1480 set thread context of 3116	1480	DHL Express Shipment Documents.exe	91

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1480	DHL Express Shipment Documents.exe
1480	DHL Express Shipment Documents.exe
1480	DHL Express Shipment Documents.exe
1480	DHL Express Shipment Documents.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1480	DHL Express Shipment Documents.exe
Token: SeDebugPrivilege	3116	DHL Express Shipment Documents.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3116	DHL Express Shipment Documents.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1480 wrote to memory of 4628	1480	DHL Express Shipment Documents.exe	89
PID 1480 wrote to memory of 4628	1480	DHL Express Shipment Documents.exe	89
PID 1480 wrote to memory of 4628	1480	DHL Express Shipment Documents.exe	89
PID 1480 wrote to memory of 3836	1480	DHL Express Shipment Documents.exe	90
PID 1480 wrote to memory of 3836	1480	DHL Express Shipment Documents.exe	90
PID 1480 wrote to memory of 3836	1480	DHL Express Shipment Documents.exe	90
PID 1480 wrote to memory of 3116	1480	DHL Express Shipment Documents.exe	91
PID 1480 wrote to memory of 3116	1480	DHL Express Shipment Documents.exe	91
PID 1480 wrote to memory of 3116	1480	DHL Express Shipment Documents.exe	91
PID 1480 wrote to memory of 3116	1480	DHL Express Shipment Documents.exe	91
PID 1480 wrote to memory of 3116	1480	DHL Express Shipment Documents.exe	91
PID 1480 wrote to memory of 3116	1480	DHL Express Shipment Documents.exe	91
PID 1480 wrote to memory of 3116	1480	DHL Express Shipment Documents.exe	91
PID 1480 wrote to memory of 3116	1480	DHL Express Shipment Documents.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL Express Shipment Documents.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL Express Shipment Documents.exe

C:\Users\Admin\AppData\Local\Temp\DHL Express Shipment Documents.exe
"C:\Users\Admin\AppData\Local\Temp\DHL Express Shipment Documents.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1480
- C:\Users\Admin\AppData\Local\Temp\DHL Express Shipment Documents.exe
  "C:\Users\Admin\AppData\Local\Temp\DHL Express Shipment Documents.exe"
  2⤵
  PID:4628
- C:\Users\Admin\AppData\Local\Temp\DHL Express Shipment Documents.exe
  "C:\Users\Admin\AppData\Local\Temp\DHL Express Shipment Documents.exe"
  2⤵
  PID:3836
- C:\Users\Admin\AppData\Local\Temp\DHL Express Shipment Documents.exe
  "C:\Users\Admin\AppData\Local\Temp\DHL Express Shipment Documents.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:3116

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

Web Service

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\DHL Express Shipment Documents.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1480-135-0x0000000004AE0000-0x0000000004AEA000-memory.dmp

Filesize
40KB

Download
memory/1480-134-0x0000000004B70000-0x0000000004C02000-memory.dmp

Filesize
584KB

Download
memory/1480-132-0x0000000000070000-0x000000000013C000-memory.dmp

Filesize
816KB

Download
memory/1480-136-0x0000000007810000-0x00000000078AC000-memory.dmp

Filesize
624KB

Download
memory/1480-133-0x0000000005120000-0x00000000056C4000-memory.dmp

Filesize
5.6MB

Download
memory/3116-140-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/3116-142-0x0000000005270000-0x00000000052D6000-memory.dmp

Filesize
408KB

Download
memory/3116-143-0x0000000007170000-0x00000000071C0000-memory.dmp

Filesize
320KB

Download
memory/3116-144-0x00000000074E0000-0x00000000076A2000-memory.dmp

Filesize
1.8MB

Download

Analysis

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