agenttesla | 987b95ebff5f1b9e47105ea5c3d5fafc841b1fba94ae40630d956de2654ebdc6

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
19-09-2024 12:29

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General

Target

PO-A1702108.exe
Size

1.3MB
MD5

8a0bb862ed0acef45107d21e4735e8e1
SHA1

af9661b6eb2ca83be84d013ffcaaf750a38d6afe
SHA256

987b95ebff5f1b9e47105ea5c3d5fafc841b1fba94ae40630d956de2654ebdc6
SHA512

79a6eb5f61697a36c09d38f4c5ac2da1d4458dcfd13617d28a2d222f3726d38278914421bfb59c2e140ca012ab32727c1d5fc6f3c77ba5341a1b10528de1e3be
SSDEEP

24576:uRmJkcoQricOIQxiZY1iaCkt8T6K1lWIWnb2aY48LVbOolTXYO:7JZoQrbTFZY1iaCkeblWIWb2aY48xT1

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan

Malware Config

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\nonsubmerged.vbs	nonsubmerged.exe

Executes dropped EXE 1 IoCs

pid	Process
2964	nonsubmerged.exe

Loads dropped DLL 1 IoCs

pid	Process
2900	PO-A1702108.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.

flow	ioc
4	api.ipify.org
5	api.ipify.org

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x0007000000016d0c-4.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2964 set thread context of 2888	2964	nonsubmerged.exe	31

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO-A1702108.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nonsubmerged.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2888	RegSvcs.exe
2888	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2964	nonsubmerged.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2888	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2900 wrote to memory of 2964	2900	PO-A1702108.exe	30
PID 2900 wrote to memory of 2964	2900	PO-A1702108.exe	30
PID 2900 wrote to memory of 2964	2900	PO-A1702108.exe	30
PID 2900 wrote to memory of 2964	2900	PO-A1702108.exe	30
PID 2964 wrote to memory of 2888	2964	nonsubmerged.exe	31
PID 2964 wrote to memory of 2888	2964	nonsubmerged.exe	31
PID 2964 wrote to memory of 2888	2964	nonsubmerged.exe	31
PID 2964 wrote to memory of 2888	2964	nonsubmerged.exe	31
PID 2964 wrote to memory of 2888	2964	nonsubmerged.exe	31
PID 2964 wrote to memory of 2888	2964	nonsubmerged.exe	31
PID 2964 wrote to memory of 2888	2964	nonsubmerged.exe	31
PID 2964 wrote to memory of 2888	2964	nonsubmerged.exe	31

C:\Users\Admin\AppData\Local\Temp\PO-A1702108.exe
"C:\Users\Admin\AppData\Local\Temp\PO-A1702108.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2900
- C:\Users\Admin\AppData\Local\Hymenophyllaceae\nonsubmerged.exe
  "C:\Users\Admin\AppData\Local\Temp\PO-A1702108.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2964
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\PO-A1702108.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2888

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\bleacher

Filesize
262KB

MD5
5e888ec17ab785fd20601aa0d3299d31

SHA1
d02d473daf57e921177fdd8d67d0bac9094decf3

SHA256
076fbf24ae4cb6407776bf570db94a92ed74cc22ea61225a860c67eb5e2b8208

SHA512
fb7713bae4bf4d6955caf34d0c7c9adf2c4983dd7823a07d0855facdc4f3e0f73da301ff938f2cb2677a02ff03489002723a28201cb30857804491f0443ca3f1

Download Submit
\Users\Admin\AppData\Local\Hymenophyllaceae\nonsubmerged.exe

Filesize
1.3MB

MD5
8a0bb862ed0acef45107d21e4735e8e1

SHA1
af9661b6eb2ca83be84d013ffcaaf750a38d6afe

SHA256
987b95ebff5f1b9e47105ea5c3d5fafc841b1fba94ae40630d956de2654ebdc6

SHA512
79a6eb5f61697a36c09d38f4c5ac2da1d4458dcfd13617d28a2d222f3726d38278914421bfb59c2e140ca012ab32727c1d5fc6f3c77ba5341a1b10528de1e3be

Download Submit
memory/2888-42-0x0000000000D50000-0x0000000000D9D000-memory.dmp

Filesize
308KB

Download
memory/2888-1055-0x000000007428E000-0x000000007428F000-memory.dmp

Filesize
4KB

Download
memory/2888-14-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2888-46-0x0000000000D50000-0x0000000000D9D000-memory.dmp

Filesize
308KB

Download
memory/2888-17-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2888-18-0x000000007428E000-0x000000007428F000-memory.dmp

Filesize
4KB

Download
memory/2888-19-0x00000000008F0000-0x0000000000944000-memory.dmp

Filesize
336KB

Download
memory/2888-20-0x0000000074280000-0x000000007496E000-memory.dmp

Filesize
6.9MB

Download
memory/2888-21-0x0000000074280000-0x000000007496E000-memory.dmp

Filesize
6.9MB

Download
memory/2888-22-0x0000000000D50000-0x0000000000DA2000-memory.dmp

Filesize
328KB

Download
memory/2888-23-0x0000000000D50000-0x0000000000D9D000-memory.dmp

Filesize
308KB

Download
memory/2888-24-0x0000000000D50000-0x0000000000D9D000-memory.dmp

Filesize
308KB

Download
memory/2888-26-0x0000000000D50000-0x0000000000D9D000-memory.dmp

Filesize
308KB

Download
memory/2888-28-0x0000000000D50000-0x0000000000D9D000-memory.dmp

Filesize
308KB

Download
memory/2888-30-0x0000000000D50000-0x0000000000D9D000-memory.dmp

Filesize
308KB

Download
memory/2888-32-0x0000000000D50000-0x0000000000D9D000-memory.dmp

Filesize
308KB

Download
memory/2888-34-0x0000000000D50000-0x0000000000D9D000-memory.dmp

Filesize
308KB

Download
memory/2888-50-0x0000000000D50000-0x0000000000D9D000-memory.dmp

Filesize
308KB

Download
memory/2888-38-0x0000000000D50000-0x0000000000D9D000-memory.dmp

Filesize
308KB

Download
memory/2888-40-0x0000000000D50000-0x0000000000D9D000-memory.dmp

Filesize
308KB

Download
memory/2888-1056-0x0000000074280000-0x000000007496E000-memory.dmp

Filesize
6.9MB

Download
memory/2888-44-0x0000000000D50000-0x0000000000D9D000-memory.dmp

Filesize
308KB

Download
memory/2888-16-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2888-48-0x0000000000D50000-0x0000000000D9D000-memory.dmp

Filesize
308KB

Download
memory/2888-36-0x0000000000D50000-0x0000000000D9D000-memory.dmp

Filesize
308KB

Download
memory/2888-52-0x0000000000D50000-0x0000000000D9D000-memory.dmp

Filesize
308KB

Download
memory/2888-54-0x0000000000D50000-0x0000000000D9D000-memory.dmp

Filesize
308KB

Download
memory/2888-56-0x0000000000D50000-0x0000000000D9D000-memory.dmp

Filesize
308KB

Download
memory/2888-58-0x0000000000D50000-0x0000000000D9D000-memory.dmp

Filesize
308KB

Download
memory/2888-60-0x0000000000D50000-0x0000000000D9D000-memory.dmp

Filesize
308KB

Download
memory/2888-62-0x0000000000D50000-0x0000000000D9D000-memory.dmp

Filesize
308KB

Download
memory/2888-64-0x0000000000D50000-0x0000000000D9D000-memory.dmp

Filesize
308KB

Download
memory/2888-66-0x0000000000D50000-0x0000000000D9D000-memory.dmp

Filesize
308KB

Download
memory/2888-68-0x0000000000D50000-0x0000000000D9D000-memory.dmp

Filesize
308KB

Download
memory/2888-70-0x0000000000D50000-0x0000000000D9D000-memory.dmp

Filesize
308KB

Download
memory/2888-72-0x0000000000D50000-0x0000000000D9D000-memory.dmp

Filesize
308KB

Download
memory/2888-74-0x0000000000D50000-0x0000000000D9D000-memory.dmp

Filesize
308KB

Download
memory/2888-76-0x0000000000D50000-0x0000000000D9D000-memory.dmp

Filesize
308KB

Download
memory/2888-78-0x0000000000D50000-0x0000000000D9D000-memory.dmp

Filesize
308KB

Download
memory/2888-80-0x0000000000D50000-0x0000000000D9D000-memory.dmp

Filesize
308KB

Download
memory/2888-82-0x0000000000D50000-0x0000000000D9D000-memory.dmp

Filesize
308KB

Download
memory/2888-1053-0x0000000074280000-0x000000007496E000-memory.dmp

Filesize
6.9MB

Download
memory/2888-1054-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2900-2-0x0000000003EC0000-0x00000000042C0000-memory.dmp

Filesize
4.0MB

Download
memory/2964-12-0x0000000003260000-0x0000000003660000-memory.dmp

Filesize
4.0MB

Download