agenttesla | 5a05f7c50928cffc850b084067bce03ab042038a12fe8e8c4c5b183cef4420de

Analysis

max time kernel
140s
max time network
137s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
13/05/2024, 16:38

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General

Target

2405_CHITA_PJT_EQUIP_SPECS_DETAILS_Rev0.exe
Size

604KB
MD5

3324de16eb0e440903c72cbee9a45745
SHA1

9ad4c703faa1fb94f6964c4d58f9c12093d1476b
SHA256

faa9ce28bfc9c5fb0269a22b8aa8254cf41b92fef96b777f96bee32c3ccfaf31
SHA512

5448f0e94cf05463e1da895d08c2a2eb65d2290d84e96afc9e4aa0c2f6cf1ed2300ad5c135b7c78ca513eb1d6f3706afe9188488c6046538627b681b88648c9f
SSDEEP

6144:awHYKFddt6tm77A6KHV0aB/6bt6pjeWdok8/7AaRuTJ+lVO3DVX4EM5h8wk/hxlY:aiFZhAH10EjNRb8DFSuOOJnHYj9o

Score

10^/10

agenttesla guloader downloader keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
cp8nl.hyperhost.ua
Port:
587
Username:
[email protected]
Password:
7213575aceACE@#
Email To:
[email protected]

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
1888	2405_CHITA_PJT_EQUIP_SPECS_DETAILS_Rev0.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 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

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
3	drive.google.com
5	drive.google.com

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
1500	2405_CHITA_PJT_EQUIP_SPECS_DETAILS_Rev0.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1888	2405_CHITA_PJT_EQUIP_SPECS_DETAILS_Rev0.exe
1500	2405_CHITA_PJT_EQUIP_SPECS_DETAILS_Rev0.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1888 set thread context of 1500	1888	2405_CHITA_PJT_EQUIP_SPECS_DETAILS_Rev0.exe	28

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\resources\untidier.Ren	2405_CHITA_PJT_EQUIP_SPECS_DETAILS_Rev0.exe
File opened for modification	C:\Windows\resources\0409\humoralist.sjl	2405_CHITA_PJT_EQUIP_SPECS_DETAILS_Rev0.exe
File opened for modification	C:\Windows\Veinous.fem	2405_CHITA_PJT_EQUIP_SPECS_DETAILS_Rev0.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1500	2405_CHITA_PJT_EQUIP_SPECS_DETAILS_Rev0.exe
1500	2405_CHITA_PJT_EQUIP_SPECS_DETAILS_Rev0.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1888	2405_CHITA_PJT_EQUIP_SPECS_DETAILS_Rev0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1500	2405_CHITA_PJT_EQUIP_SPECS_DETAILS_Rev0.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1888 wrote to memory of 1500	1888	2405_CHITA_PJT_EQUIP_SPECS_DETAILS_Rev0.exe	28
PID 1888 wrote to memory of 1500	1888	2405_CHITA_PJT_EQUIP_SPECS_DETAILS_Rev0.exe	28
PID 1888 wrote to memory of 1500	1888	2405_CHITA_PJT_EQUIP_SPECS_DETAILS_Rev0.exe	28
PID 1888 wrote to memory of 1500	1888	2405_CHITA_PJT_EQUIP_SPECS_DETAILS_Rev0.exe	28
PID 1888 wrote to memory of 1500	1888	2405_CHITA_PJT_EQUIP_SPECS_DETAILS_Rev0.exe	28
PID 1888 wrote to memory of 1500	1888	2405_CHITA_PJT_EQUIP_SPECS_DETAILS_Rev0.exe	28

C:\Users\Admin\AppData\Local\Temp\2405_CHITA_PJT_EQUIP_SPECS_DETAILS_Rev0.exe
"C:\Users\Admin\AppData\Local\Temp\2405_CHITA_PJT_EQUIP_SPECS_DETAILS_Rev0.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1888
- C:\Users\Admin\AppData\Local\Temp\2405_CHITA_PJT_EQUIP_SPECS_DETAILS_Rev0.exe
  "C:\Users\Admin\AppData\Local\Temp\2405_CHITA_PJT_EQUIP_SPECS_DETAILS_Rev0.exe"
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1500

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nso37F4.tmp\System.dll

Filesize
12KB

MD5
e227391c7ff576135eac4871e78ebe2d

SHA1
85d4bdbb79bdc47095ca35ed2141b2e64d029218

SHA256
edf12a3040cff0d801a86c02313d6605b41d766807f3dcb261754cf01b4e14b9

SHA512
06f1b65dd980c6aac17518faf34d200453fedf893efa01bfc71128ccb1a70abcd7165f581c9789caf80776fac313a4e754df7b58f7467930a666de37b55396a6

Download Submit
memory/1500-13-0x0000000077780000-0x0000000077929000-memory.dmp

Filesize
1.7MB

Download
memory/1500-36-0x00000000004C0000-0x0000000001522000-memory.dmp

Filesize
16.4MB

Download
memory/1500-37-0x00000000004C0000-0x0000000001522000-memory.dmp

Filesize
16.4MB

Download
memory/1500-39-0x00000000004C0000-0x0000000000500000-memory.dmp

Filesize
256KB

Download
memory/1888-10-0x0000000004180000-0x0000000005FEF000-memory.dmp

Filesize
30.4MB

Download
memory/1888-11-0x0000000077781000-0x0000000077882000-memory.dmp

Filesize
1.0MB

Download
memory/1888-12-0x0000000077780000-0x0000000077929000-memory.dmp

Filesize
1.7MB

Download
memory/1888-14-0x0000000004180000-0x0000000005FEF000-memory.dmp

Filesize
30.4MB

Download
memory/1888-38-0x0000000004180000-0x0000000005FEF000-memory.dmp

Filesize
30.4MB

Download