agenttesla | 3ec0db2719a540246ea9bfecb36bf27b022a88c50e6a866187eda2480049bdf8

General

Target

3ec0db2719a540246ea9bfecb36bf27b022a88c50e6a866187eda2480049bdf8.exe
Size

990KB
MD5

92f4a16e61583401fdfd50a10968c13e
SHA1

e90b5106e9cb3aa751e9f3ec63dff51e67238bb2
SHA256

3ec0db2719a540246ea9bfecb36bf27b022a88c50e6a866187eda2480049bdf8
SHA512

c408635513111fec341922701471b980698c9020667fb80c575db151f0055c685b27c25a16f6defaa87048251a848ed1316b7720b682e964a655def0d7fd0b4c
SSDEEP

24576:fvCFfkjb7WrPHf4XTK/yiXQ8l9HZONDejqaBjiMD95g7I:yFfk7Qn4DKXXt+ej9iMD9F

Score

10^/10

agenttesla guloader discovery downloader keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.rusticpensiune.ro
Port:
21
Username:
[email protected]
Password:
hr,d@KUwa5llI%*RNL^J]g%8I;!;_Ne#G1h~lE!*86DAAD6#iLm$x)r+e1z$p+_Q,4_(f!};B?vD!IG?NqT[zOHNr6_nww[S]V?MlcYSt_QO

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
3088	3ec0db2719a540246ea9bfecb36bf27b022a88c50e6a866187eda2480049bdf8.exe

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
3808	3ec0db2719a540246ea9bfecb36bf27b022a88c50e6a866187eda2480049bdf8.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
3088	3ec0db2719a540246ea9bfecb36bf27b022a88c50e6a866187eda2480049bdf8.exe
3808	3ec0db2719a540246ea9bfecb36bf27b022a88c50e6a866187eda2480049bdf8.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3088 set thread context of 3808	3088	3ec0db2719a540246ea9bfecb36bf27b022a88c50e6a866187eda2480049bdf8.exe	84

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\carbinol\kogejomfruens.for	3ec0db2719a540246ea9bfecb36bf27b022a88c50e6a866187eda2480049bdf8.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	3ec0db2719a540246ea9bfecb36bf27b022a88c50e6a866187eda2480049bdf8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3ec0db2719a540246ea9bfecb36bf27b022a88c50e6a866187eda2480049bdf8.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3808	3ec0db2719a540246ea9bfecb36bf27b022a88c50e6a866187eda2480049bdf8.exe
3808	3ec0db2719a540246ea9bfecb36bf27b022a88c50e6a866187eda2480049bdf8.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3088	3ec0db2719a540246ea9bfecb36bf27b022a88c50e6a866187eda2480049bdf8.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3808	3ec0db2719a540246ea9bfecb36bf27b022a88c50e6a866187eda2480049bdf8.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3088 wrote to memory of 3808	3088	3ec0db2719a540246ea9bfecb36bf27b022a88c50e6a866187eda2480049bdf8.exe	84
PID 3088 wrote to memory of 3808	3088	3ec0db2719a540246ea9bfecb36bf27b022a88c50e6a866187eda2480049bdf8.exe	84
PID 3088 wrote to memory of 3808	3088	3ec0db2719a540246ea9bfecb36bf27b022a88c50e6a866187eda2480049bdf8.exe	84
PID 3088 wrote to memory of 3808	3088	3ec0db2719a540246ea9bfecb36bf27b022a88c50e6a866187eda2480049bdf8.exe	84
PID 3088 wrote to memory of 3808	3088	3ec0db2719a540246ea9bfecb36bf27b022a88c50e6a866187eda2480049bdf8.exe	84

C:\Users\Admin\AppData\Local\Temp\3ec0db2719a540246ea9bfecb36bf27b022a88c50e6a866187eda2480049bdf8.exe
"C:\Users\Admin\AppData\Local\Temp\3ec0db2719a540246ea9bfecb36bf27b022a88c50e6a866187eda2480049bdf8.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:3088
- C:\Users\Admin\AppData\Local\Temp\3ec0db2719a540246ea9bfecb36bf27b022a88c50e6a866187eda2480049bdf8.exe
  "C:\Users\Admin\AppData\Local\Temp\3ec0db2719a540246ea9bfecb36bf27b022a88c50e6a866187eda2480049bdf8.exe"
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3808

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

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsu9ED1.tmp\System.dll

Filesize
11KB

MD5
0ff2d70cfdc8095ea99ca2dabbec3cd7

SHA1
10c51496d37cecd0e8a503a5a9bb2329d9b38116

SHA256
982c5fb7ada7d8c9bc3e419d1c35da6f05bc5dd845940c179af3a33d00a36a8b

SHA512
cb5fc0b3194f469b833c2c9abf493fcec5251e8609881b7f5e095b9bd09ed468168e95dda0ba415a7d8d6b7f0dee735467c0ed8e52b223eb5359986891ba6e2e

Download Submit
memory/3088-11-0x0000000002AD0000-0x00000000046A7000-memory.dmp

Filesize
27.8MB

Download
memory/3088-12-0x00000000777B1000-0x00000000778D1000-memory.dmp

Filesize
1.1MB

Download
memory/3088-13-0x0000000010004000-0x0000000010005000-memory.dmp

Filesize
4KB

Download
memory/3088-14-0x0000000002AD0000-0x00000000046A7000-memory.dmp

Filesize
27.8MB

Download
memory/3808-15-0x0000000001700000-0x00000000032D7000-memory.dmp

Filesize
27.8MB

Download
memory/3808-16-0x0000000077838000-0x0000000077839000-memory.dmp

Filesize
4KB

Download
memory/3808-17-0x0000000077855000-0x0000000077856000-memory.dmp

Filesize
4KB

Download
memory/3808-21-0x00000000004A0000-0x00000000016F4000-memory.dmp

Filesize
18.3MB

Download
memory/3808-22-0x0000000001700000-0x00000000032D7000-memory.dmp

Filesize
27.8MB

Download
memory/3808-23-0x00000000004A0000-0x00000000004E2000-memory.dmp

Filesize
264KB

Download
memory/3808-24-0x0000000036000000-0x00000000365A4000-memory.dmp

Filesize
5.6MB

Download
memory/3808-25-0x0000000035E20000-0x0000000035E86000-memory.dmp

Filesize
408KB

Download
memory/3808-26-0x0000000036810000-0x0000000036860000-memory.dmp

Filesize
320KB

Download
memory/3808-27-0x0000000036860000-0x00000000368F2000-memory.dmp

Filesize
584KB

Download
memory/3808-28-0x0000000036950000-0x000000003695A000-memory.dmp

Filesize
40KB

Download
memory/3808-30-0x00000000777B1000-0x00000000778D1000-memory.dmp

Filesize
1.1MB

Download

Analysis

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