agenttesla | f65bcb980c5bf774ba123d8cdede4a455e766c0b1935f3e0c892608fdc6f19b0

General

Target

Objednávka_20248481119000903.exe
Size

986KB
MD5

ffc86dfe93f81bce26a2b4d2d818b167
SHA1

0fff0a167c2be3c66e3dbc9573482b0ed77bfa48
SHA256

f10d9ea2a6e79bd7f191737a8c45e7fa3a8c72c2dc3cbe160cca365a42ffac7b
SHA512

e359da6bc5282126bb91a85d80c5ffe61d3fdf56c6eb1b580938070b8adcf8b6100cc86e94237a4d628bdb82cb8474b5e11e4749df5c5993d89bd28a856f6253
SSDEEP

24576:SvCFfkjgVitNv7LtnP0deH7ZONDejqaBjiMD95w78:1FfkjvlnYeHqej9iMD9/

Score

10^/10

agenttesla guloader discovery downloader keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.carbognin.it
Port:
21
Username:
[email protected]
Password:
59Cif8wZUH#X

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

pid	Process
2120	Objednávka_20248481119000903.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

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
1720	Objednávka_20248481119000903.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2120	Objednávka_20248481119000903.exe
1720	Objednávka_20248481119000903.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2120 set thread context of 1720	2120	Objednávka_20248481119000903.exe	31

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\carbinol\kogejomfruens.for	Objednávka_20248481119000903.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Objednávka_20248481119000903.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Objednávka_20248481119000903.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1720	Objednávka_20248481119000903.exe
1720	Objednávka_20248481119000903.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2120	Objednávka_20248481119000903.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1720	Objednávka_20248481119000903.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 1720	2120	Objednávka_20248481119000903.exe	31
PID 2120 wrote to memory of 1720	2120	Objednávka_20248481119000903.exe	31
PID 2120 wrote to memory of 1720	2120	Objednávka_20248481119000903.exe	31
PID 2120 wrote to memory of 1720	2120	Objednávka_20248481119000903.exe	31
PID 2120 wrote to memory of 1720	2120	Objednávka_20248481119000903.exe	31
PID 2120 wrote to memory of 1720	2120	Objednávka_20248481119000903.exe	31

C:\Users\Admin\AppData\Local\Temp\Objednávka_20248481119000903.exe
"C:\Users\Admin\AppData\Local\Temp\Objednávka_20248481119000903.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2120
- C:\Users\Admin\AppData\Local\Temp\Objednávka_20248481119000903.exe
  "C:\Users\Admin\AppData\Local\Temp\Objednávka_20248481119000903.exe"
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1720

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

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nsyC939.tmp\System.dll

Filesize
11KB

MD5
0ff2d70cfdc8095ea99ca2dabbec3cd7

SHA1
10c51496d37cecd0e8a503a5a9bb2329d9b38116

SHA256
982c5fb7ada7d8c9bc3e419d1c35da6f05bc5dd845940c179af3a33d00a36a8b

SHA512
cb5fc0b3194f469b833c2c9abf493fcec5251e8609881b7f5e095b9bd09ed468168e95dda0ba415a7d8d6b7f0dee735467c0ed8e52b223eb5359986891ba6e2e

Download Submit
memory/1720-16-0x00000000775B0000-0x0000000077759000-memory.dmp

Filesize
1.7MB

Download
memory/1720-18-0x00000000004A0000-0x0000000001502000-memory.dmp

Filesize
16.4MB

Download
memory/1720-19-0x00000000004A0000-0x0000000001502000-memory.dmp

Filesize
16.4MB

Download
memory/1720-20-0x00000000004A0000-0x00000000004E2000-memory.dmp

Filesize
264KB

Download
memory/2120-12-0x0000000002C40000-0x0000000005C52000-memory.dmp

Filesize
48.1MB

Download
memory/2120-13-0x00000000775B1000-0x00000000776B2000-memory.dmp

Filesize
1.0MB

Download
memory/2120-14-0x00000000775B0000-0x0000000077759000-memory.dmp

Filesize
1.7MB

Download
memory/2120-15-0x0000000002C40000-0x0000000005C52000-memory.dmp

Filesize
48.1MB

Download
memory/2120-17-0x0000000002C40000-0x0000000005C52000-memory.dmp

Filesize
48.1MB

Download

Analysis

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