agenttesla | 09d3784d1f2f53fa0f4f30ea6a707acf92def296e10b25d3a42625db5823bfaa

Analysis

max time kernel
125s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 13:15

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General

Target

Doc1000050789.exe
Size

2.3MB
MD5

93865833b3053530f78b1383f9209814
SHA1

a79c8913e2dfb460e44b8d2e6a50d7fd92ea6612
SHA256

09d3784d1f2f53fa0f4f30ea6a707acf92def296e10b25d3a42625db5823bfaa
SHA512

4d46193d703504886e3e10276be867a31c92e922b3e2e461c85fbd573f54819756388d51c090d6c39d16c097b0785ad740405ca4f3309fc72b03ca4480e1c1e0
SSDEEP

49152:2/VZrC9C/srB/8CO253KJf+vqioQIEh6U+Y70e1tBgT1ETeRxn5aa:2/z6CEJZ953K1+f+M+m0e1tBg2mxn8a

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
66.29.151.236
Port:
587
Username:
[email protected]
Password:
YuWsikfV67lD

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
66.29.151.236
Port:
587
Username:
[email protected]
Password:
YuWsikfV67lD
Email To:
[email protected]

Signatures

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

Doc1000050789.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tespad = "C:\\Users\\Admin\\documents\\tespad.exe"	Doc1000050789.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

46 api.ipify.org
47 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Doc1000050789.exe

description pid process target process

PID 2972 set thread context of 4188 2972 Doc1000050789.exe Doc1000050789.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Doc1000050789.exe

pid process

4188 Doc1000050789.exe
4188 Doc1000050789.exe
4188 Doc1000050789.exe

flow	ioc
46	api.ipify.org
47	api.ipify.org

description	pid	process	target process
PID 2972 set thread context of 4188	2972	Doc1000050789.exe	Doc1000050789.exe

pid	process
4188	Doc1000050789.exe
4188	Doc1000050789.exe
4188	Doc1000050789.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Doc1000050789.exeDoc1000050789.exe

description	pid	process
Token: SeDebugPrivilege	2972	Doc1000050789.exe
Token: SeDebugPrivilege	2972	Doc1000050789.exe
Token: SeDebugPrivilege	4188	Doc1000050789.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Doc1000050789.exe

description	pid	process	target process
PID 2972 wrote to memory of 4188	2972	Doc1000050789.exe	Doc1000050789.exe
PID 2972 wrote to memory of 4188	2972	Doc1000050789.exe	Doc1000050789.exe
PID 2972 wrote to memory of 4188	2972	Doc1000050789.exe	Doc1000050789.exe
PID 2972 wrote to memory of 4188	2972	Doc1000050789.exe	Doc1000050789.exe
PID 2972 wrote to memory of 4188	2972	Doc1000050789.exe	Doc1000050789.exe
PID 2972 wrote to memory of 4188	2972	Doc1000050789.exe	Doc1000050789.exe
PID 2972 wrote to memory of 4188	2972	Doc1000050789.exe	Doc1000050789.exe
PID 2972 wrote to memory of 4188	2972	Doc1000050789.exe	Doc1000050789.exe

C:\Users\Admin\AppData\Local\Temp\Doc1000050789.exe
"C:\Users\Admin\AppData\Local\Temp\Doc1000050789.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Users\Admin\AppData\Local\Temp\Doc1000050789.exe
  "C:\Users\Admin\AppData\Local\Temp\Doc1000050789.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4188

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 --field-trial-handle=4340,i,17096020621006928097,15544233752327415349,262144 --variations-seed-version --mojo-platform-channel-handle=1320 /prefetch:8
1⤵
PID:2056

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Doc1000050789.exe.log

Filesize
716B

MD5
a92a2835b20b01436fb6517e97090bb1

SHA1
1a179d6b4018cc896708aa112b9d683176ba59b9

SHA256
807a02aa126863cf5b802851a3b42d233a856346c0fb13517236815a1764e963

SHA512
ef51b2bcfa1cdd33a02176d87b609f8ea4a6c4cfcf69094e88459a19bd1c187872b3a789a46e28869dad63f559cab8d51ac1125a172d71c477f3dd0ec60550a9

Download Submit
memory/2972-0-0x000000007493E000-0x000000007493F000-memory.dmp

Filesize
4KB

Download
memory/2972-1-0x0000000000810000-0x0000000000A56000-memory.dmp

Filesize
2.3MB

Download
memory/2972-2-0x0000000005450000-0x0000000005680000-memory.dmp

Filesize
2.2MB

Download
memory/2972-3-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/2972-4-0x00000000067B0000-0x00000000069E0000-memory.dmp

Filesize
2.2MB

Download
memory/2972-5-0x00000000069E0000-0x0000000006C12000-memory.dmp

Filesize
2.2MB

Download
memory/2972-11-0x00000000069E0000-0x0000000006C0C000-memory.dmp

Filesize
2.2MB

Download
memory/2972-17-0x00000000069E0000-0x0000000006C0C000-memory.dmp

Filesize
2.2MB

Download
memory/2972-43-0x00000000069E0000-0x0000000006C0C000-memory.dmp

Filesize
2.2MB

Download
memory/2972-47-0x00000000069E0000-0x0000000006C0C000-memory.dmp

Filesize
2.2MB

Download
memory/2972-63-0x00000000069E0000-0x0000000006C0C000-memory.dmp

Filesize
2.2MB

Download
memory/2972-69-0x00000000069E0000-0x0000000006C0C000-memory.dmp

Filesize
2.2MB

Download
memory/2972-67-0x00000000069E0000-0x0000000006C0C000-memory.dmp

Filesize
2.2MB

Download
memory/2972-65-0x00000000069E0000-0x0000000006C0C000-memory.dmp

Filesize
2.2MB

Download
memory/2972-62-0x00000000069E0000-0x0000000006C0C000-memory.dmp

Filesize
2.2MB

Download
memory/2972-59-0x00000000069E0000-0x0000000006C0C000-memory.dmp

Filesize
2.2MB

Download
memory/2972-57-0x00000000069E0000-0x0000000006C0C000-memory.dmp

Filesize
2.2MB

Download
memory/2972-55-0x00000000069E0000-0x0000000006C0C000-memory.dmp

Filesize
2.2MB

Download
memory/2972-53-0x00000000069E0000-0x0000000006C0C000-memory.dmp

Filesize
2.2MB

Download
memory/2972-51-0x00000000069E0000-0x0000000006C0C000-memory.dmp

Filesize
2.2MB

Download
memory/2972-49-0x00000000069E0000-0x0000000006C0C000-memory.dmp

Filesize
2.2MB

Download
memory/2972-45-0x00000000069E0000-0x0000000006C0C000-memory.dmp

Filesize
2.2MB

Download
memory/2972-41-0x00000000069E0000-0x0000000006C0C000-memory.dmp

Filesize
2.2MB

Download
memory/2972-39-0x00000000069E0000-0x0000000006C0C000-memory.dmp

Filesize
2.2MB

Download
memory/2972-37-0x00000000069E0000-0x0000000006C0C000-memory.dmp

Filesize
2.2MB

Download
memory/2972-33-0x00000000069E0000-0x0000000006C0C000-memory.dmp

Filesize
2.2MB

Download
memory/2972-31-0x00000000069E0000-0x0000000006C0C000-memory.dmp

Filesize
2.2MB

Download
memory/2972-29-0x00000000069E0000-0x0000000006C0C000-memory.dmp

Filesize
2.2MB

Download
memory/2972-35-0x00000000069E0000-0x0000000006C0C000-memory.dmp

Filesize
2.2MB

Download
memory/2972-27-0x00000000069E0000-0x0000000006C0C000-memory.dmp

Filesize
2.2MB

Download
memory/2972-25-0x00000000069E0000-0x0000000006C0C000-memory.dmp

Filesize
2.2MB

Download
memory/2972-23-0x00000000069E0000-0x0000000006C0C000-memory.dmp

Filesize
2.2MB

Download
memory/2972-21-0x00000000069E0000-0x0000000006C0C000-memory.dmp

Filesize
2.2MB

Download
memory/2972-15-0x00000000069E0000-0x0000000006C0C000-memory.dmp

Filesize
2.2MB

Download
memory/2972-13-0x00000000069E0000-0x0000000006C0C000-memory.dmp

Filesize
2.2MB

Download
memory/2972-9-0x00000000069E0000-0x0000000006C0C000-memory.dmp

Filesize
2.2MB

Download
memory/2972-7-0x00000000069E0000-0x0000000006C0C000-memory.dmp

Filesize
2.2MB

Download
memory/2972-19-0x00000000069E0000-0x0000000006C0C000-memory.dmp

Filesize
2.2MB

Download
memory/2972-6-0x00000000069E0000-0x0000000006C0C000-memory.dmp

Filesize
2.2MB

Download
memory/2972-4892-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/2972-4894-0x00000000052F0000-0x000000000533C000-memory.dmp

Filesize
304KB

Download
memory/2972-4893-0x0000000006C10000-0x0000000006C7C000-memory.dmp

Filesize
432KB

Download
memory/2972-4895-0x000000007493E000-0x000000007493F000-memory.dmp

Filesize
4KB

Download
memory/2972-4896-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/2972-4897-0x00000000075D0000-0x0000000007B74000-memory.dmp

Filesize
5.6MB

Download
memory/2972-4898-0x0000000007020000-0x0000000007074000-memory.dmp

Filesize
336KB

Download
memory/2972-4904-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/4188-4903-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/4188-4905-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4188-4906-0x0000000005760000-0x00000000057C6000-memory.dmp

Filesize
408KB

Download
memory/4188-4907-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download
memory/4188-4908-0x0000000006E00000-0x0000000006E50000-memory.dmp

Filesize
320KB

Download
memory/4188-4909-0x0000000006EF0000-0x0000000006F8C000-memory.dmp

Filesize
624KB

Download
memory/4188-4910-0x0000000007030000-0x00000000070C2000-memory.dmp

Filesize
584KB

Download
memory/4188-4911-0x0000000006FA0000-0x0000000006FAA000-memory.dmp

Filesize
40KB

Download
memory/4188-4912-0x0000000074930000-0x00000000750E0000-memory.dmp

Filesize
7.7MB

Download