agenttesla | 669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e

General

Target

669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe
Size

1.4MB
MD5

0b67de290afdcb06218d5ab1a6c3c49b
SHA1

372ecac4cd7fe8de0f89aff4755683f8fed81a26
SHA256

669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e
SHA512

fc21a1dc1a1a29a5bdfc0d28f8d1a6be9204a26b7946b08d27e97b4e4c31c4be1caaa0bb9e2b199697ea0ec529ef7165c37ee7bb512c6accdae179f86fd66063
SSDEEP

24576:ktdCzxWfKe9UR1FCBmjwGJkAQy4X1N4QNbJP71SIzKgopvgeum5hD4nA:k2xWfKe9E1rEGZQTXXdP78d91Pumv4nA

Score

10^/10

agenttesla guloader discovery downloader keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.concaribe.com
Port:
21
Username:
[email protected]
Password:
ro}UWgz#!38E

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Agenttesla family
agenttesla
Guloader family
guloader
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
downloader guloader
Loads dropped DLL 1 IoCs

Processes:

669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe

pid process

3368 669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe
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 3 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

Credentials from Web Browsers
T1555.003
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

30 api.ipify.org
31 api.ipify.org
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes:

669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe

pid process

228 669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe

flow	ioc
30	api.ipify.org
31	api.ipify.org

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe

pid	process
3368	669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe
228	669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe

description	pid	process	target process
PID 3368 set thread context of 228	3368	669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe	669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe

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 2 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

Processes:

669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe

pid	process
228	669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe
228	669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe

pid process

3368 669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe

description pid process

Token: SeDebugPrivilege 228 669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe

description	pid	process
Token: SeDebugPrivilege	228	669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe

description	pid	process	target process
PID 3368 wrote to memory of 228	3368	669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe	669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe
PID 3368 wrote to memory of 228	3368	669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe	669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe
PID 3368 wrote to memory of 228	3368	669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe	669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe
PID 3368 wrote to memory of 228	3368	669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe	669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe
PID 3368 wrote to memory of 228	3368	669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe	669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe

C:\Users\Admin\AppData\Local\Temp\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe
"C:\Users\Admin\AppData\Local\Temp\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3368
- C:\Users\Admin\AppData\Local\Temp\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe
  "C:\Users\Admin\AppData\Local\Temp\669bfc59550b87a86c5e87d33da3e63be15f8712184a6aa176e0021b8c65df1e.exe"
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:228

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\nss8177.tmp\System.dll

Filesize
11KB

MD5
fc3772787eb239ef4d0399680dcc4343

SHA1
db2fa99ec967178cd8057a14a428a8439a961a73

SHA256
9b93c61c9d63ef8ec80892cc0e4a0877966dca9b0c3eb85555cebd2ddf4d6eed

SHA512
79e491ca4591a5da70116114b7fbb66ee15a0532386035e980c9dfe7afb59b1f9d9c758891e25bfb45c36b07afd3e171bac37a86c887387ef0e80b1eaf296c89

Download Submit
memory/228-35-0x00000000357C0000-0x0000000035826000-memory.dmp

Filesize
408KB

Download
memory/228-30-0x00000000778A5000-0x00000000778A6000-memory.dmp

Filesize
4KB

Download
memory/228-39-0x0000000036200000-0x000000003620A000-memory.dmp

Filesize
40KB

Download
memory/228-38-0x0000000036130000-0x00000000361C2000-memory.dmp

Filesize
584KB

Download
memory/228-31-0x00000000004A0000-0x00000000016F4000-memory.dmp

Filesize
18.3MB

Download
memory/228-29-0x0000000077888000-0x0000000077889000-memory.dmp

Filesize
4KB

Download
memory/228-37-0x00000000360E0000-0x0000000036130000-memory.dmp

Filesize
320KB

Download
memory/228-32-0x0000000077801000-0x0000000077921000-memory.dmp

Filesize
1.1MB

Download
memory/228-28-0x0000000001700000-0x000000000288E000-memory.dmp

Filesize
17.6MB

Download
memory/228-33-0x00000000004A0000-0x00000000004E2000-memory.dmp

Filesize
264KB

Download
memory/228-34-0x0000000035110000-0x00000000356B4000-memory.dmp

Filesize
5.6MB

Download
memory/228-36-0x0000000001700000-0x000000000288E000-memory.dmp

Filesize
17.6MB

Download
memory/3368-24-0x0000000004A40000-0x0000000005BCE000-memory.dmp

Filesize
17.6MB

Download
memory/3368-25-0x0000000077801000-0x0000000077921000-memory.dmp

Filesize
1.1MB

Download
memory/3368-27-0x0000000004A40000-0x0000000005BCE000-memory.dmp

Filesize
17.6MB

Download
memory/3368-26-0x0000000010004000-0x0000000010005000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads