agenttesla | 1b1c31832d9243da7835baa9d7e822c7ff18e6379ae3668840be6cd9f9575495

Analysis

max time kernel
247s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26-09-2024 22:32

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General

Target

1b1c31832d9243da7835baa9d7e822c7ff18e6379ae3668840be6cd9f9575495.exe
Size

1.5MB
MD5

dcc274470fb1b9922215f719d1c4640d
SHA1

f772a0bf9a265426fdf5d3b9249d96a0ad68c834
SHA256

1b1c31832d9243da7835baa9d7e822c7ff18e6379ae3668840be6cd9f9575495
SHA512

d29d56465e364b6017e933a2cfa6ae79f5ddfc6fde75b452da66cbfb3cb97c662761b7bb785900c63519079949ec10d4806d405b1a11b1a49364c3ce01ad6e0c
SSDEEP

24576:5u+ow/e8f4k3gbD9tysqjnhMgeiCl7G0nehbGZpbD:4+JAxMDmg27RnWGj

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
s82.gocheapweb.com
Port:
587
Username:
[email protected]
Password:
london@1759
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
3008	powershell.exe

Drops startup file 1 IoCs

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

Executes dropped EXE 4 IoCs

pid	Process
2792	neworigin.exe
2928	server_BTC.exe
2892	TrojanAIbot.exe
2840	TrojanAIbot.exe

Loads dropped DLL 4 IoCs

pid	Process
1316	1b1c31832d9243da7835baa9d7e822c7ff18e6379ae3668840be6cd9f9575495.exe
1316	1b1c31832d9243da7835baa9d7e822c7ff18e6379ae3668840be6cd9f9575495.exe
2928	server_BTC.exe
2928	server_BTC.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.

flow	ioc
2	api.ipify.org
3	api.ipify.org

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\alg.exe	1b1c31832d9243da7835baa9d7e822c7ff18e6379ae3668840be6cd9f9575495.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 9 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	1b1c31832d9243da7835baa9d7e822c7ff18e6379ae3668840be6cd9f9575495.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TrojanAIbot.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server_BTC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	neworigin.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TrojanAIbot.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1720	timeout.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
768	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2892	TrojanAIbot.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2792	neworigin.exe
2792	neworigin.exe
3008	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeTakeOwnershipPrivilege	1316	1b1c31832d9243da7835baa9d7e822c7ff18e6379ae3668840be6cd9f9575495.exe
Token: SeDebugPrivilege	2792	neworigin.exe
Token: SeDebugPrivilege	2928	server_BTC.exe
Token: SeDebugPrivilege	3008	powershell.exe
Token: SeDebugPrivilege	2892	TrojanAIbot.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2792	neworigin.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 1316 wrote to memory of 2792	1316	1b1c31832d9243da7835baa9d7e822c7ff18e6379ae3668840be6cd9f9575495.exe	30
PID 1316 wrote to memory of 2792	1316	1b1c31832d9243da7835baa9d7e822c7ff18e6379ae3668840be6cd9f9575495.exe	30
PID 1316 wrote to memory of 2792	1316	1b1c31832d9243da7835baa9d7e822c7ff18e6379ae3668840be6cd9f9575495.exe	30
PID 1316 wrote to memory of 2792	1316	1b1c31832d9243da7835baa9d7e822c7ff18e6379ae3668840be6cd9f9575495.exe	30
PID 1316 wrote to memory of 2928	1316	1b1c31832d9243da7835baa9d7e822c7ff18e6379ae3668840be6cd9f9575495.exe	31
PID 1316 wrote to memory of 2928	1316	1b1c31832d9243da7835baa9d7e822c7ff18e6379ae3668840be6cd9f9575495.exe	31
PID 1316 wrote to memory of 2928	1316	1b1c31832d9243da7835baa9d7e822c7ff18e6379ae3668840be6cd9f9575495.exe	31
PID 1316 wrote to memory of 2928	1316	1b1c31832d9243da7835baa9d7e822c7ff18e6379ae3668840be6cd9f9575495.exe	31
PID 2928 wrote to memory of 3008	2928	server_BTC.exe	33
PID 2928 wrote to memory of 3008	2928	server_BTC.exe	33
PID 2928 wrote to memory of 3008	2928	server_BTC.exe	33
PID 2928 wrote to memory of 3008	2928	server_BTC.exe	33
PID 2928 wrote to memory of 768	2928	server_BTC.exe	35
PID 2928 wrote to memory of 768	2928	server_BTC.exe	35
PID 2928 wrote to memory of 768	2928	server_BTC.exe	35
PID 2928 wrote to memory of 768	2928	server_BTC.exe	35
PID 2928 wrote to memory of 2892	2928	server_BTC.exe	37
PID 2928 wrote to memory of 2892	2928	server_BTC.exe	37
PID 2928 wrote to memory of 2892	2928	server_BTC.exe	37
PID 2928 wrote to memory of 2892	2928	server_BTC.exe	37
PID 2928 wrote to memory of 372	2928	server_BTC.exe	38
PID 2928 wrote to memory of 372	2928	server_BTC.exe	38
PID 2928 wrote to memory of 372	2928	server_BTC.exe	38
PID 2928 wrote to memory of 372	2928	server_BTC.exe	38
PID 372 wrote to memory of 1720	372	cmd.exe	40
PID 372 wrote to memory of 1720	372	cmd.exe	40
PID 372 wrote to memory of 1720	372	cmd.exe	40
PID 372 wrote to memory of 1720	372	cmd.exe	40
PID 1568 wrote to memory of 2840	1568	taskeng.exe	43
PID 1568 wrote to memory of 2840	1568	taskeng.exe	43
PID 1568 wrote to memory of 2840	1568	taskeng.exe	43
PID 1568 wrote to memory of 2840	1568	taskeng.exe	43

C:\Users\Admin\AppData\Local\Temp\1b1c31832d9243da7835baa9d7e822c7ff18e6379ae3668840be6cd9f9575495.exe
"C:\Users\Admin\AppData\Local\Temp\1b1c31832d9243da7835baa9d7e822c7ff18e6379ae3668840be6cd9f9575495.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1316
- C:\Users\Admin\AppData\Local\Temp\neworigin.exe
  "C:\Users\Admin\AppData\Local\Temp\neworigin.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2792
- C:\Users\Admin\AppData\Local\Temp\server_BTC.exe
  "C:\Users\Admin\AppData\Local\Temp\server_BTC.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2928
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\ACCApi'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3008
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /tn AccSys /tr "C:\Users\Admin\AppData\Roaming\ACCApi\TrojanAIbot.exe" /st 22:37 /du 23:59 /sc daily /ri 1 /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:768
- - C:\Users\Admin\AppData\Roaming\ACCApi\TrojanAIbot.exe
    "C:\Users\Admin\AppData\Roaming\ACCApi\TrojanAIbot.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: AddClipboardFormatListener
    - Suspicious use of AdjustPrivilegeToken
    PID:2892
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpFAE2.tmp.cmd""
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:372
  - - C:\Windows\SysWOW64\timeout.exe
      timeout 6
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:1720

C:\Windows\system32\taskeng.exe
taskeng.exe {3EC86516-B40B-481D-86A0-730C4334F501} S-1-5-21-1488793075-819845221-1497111674-1000:UPNECVIU\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1568
- C:\Users\Admin\AppData\Roaming\ACCApi\TrojanAIbot.exe
  C:\Users\Admin\AppData\Roaming\ACCApi\TrojanAIbot.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2840

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpFAE2.tmp.cmd

Filesize
162B

MD5
136a37ee02b55c76c2747ddf9748506d

SHA1
611fc22f9569ff2b0c45d63ce42aa504bbdf89bf

SHA256
2632c08e7ce587d85ba31a10e8805f67f4949e50bc3c94d42a412980b912897a

SHA512
1058d004fdf3aef181701c1d89182e898caaac2b16df03382e50a062d764ba488ba5d1bf99b7295a25695534f5e4e819ac9ca76360c1cc49b77676c46f6754bd

Download Submit
\Users\Admin\AppData\Local\Temp\neworigin.exe

Filesize
244KB

MD5
d6a4cf0966d24c1ea836ba9a899751e5

SHA1
392d68c000137b8039155df6bb331d643909e7e7

SHA256
dc441006cb45c2cfac6c521f6cd4c16860615d21081563bd9e368de6f7e8ab6b

SHA512
9fa7aa65b4a0414596d8fd3e7d75a09740a5a6c3db8262f00cb66cd4c8b43d17658c42179422ae0127913deb854db7ed02621d0eeb8ddff1fac221a8e0d1ca35

Download Submit
\Users\Admin\AppData\Local\Temp\server_BTC.exe

Filesize
226KB

MD5
50d015016f20da0905fd5b37d7834823

SHA1
6c39c84acf3616a12ae179715a3369c4e3543541

SHA256
36fe89b3218d2d0bbf865967cdc01b9004e3ba13269909e3d24d7ff209f28fc5

SHA512
55f639006a137732b2fa0527cd1be24b58f5df387ce6aa6b8dd47d1419566f87c95fc1a6b99383e8bd0bcba06cc39ad7b32556496e46d7220c6a7b6d8390f7fc

Download Submit
memory/1316-0-0x0000000001DF0000-0x0000000001E57000-memory.dmp

Filesize
412KB

Download
memory/1316-9-0x0000000001DF0000-0x0000000001E57000-memory.dmp

Filesize
412KB

Download
memory/1316-8-0x0000000000400000-0x000000000058E000-memory.dmp

Filesize
1.6MB

Download
memory/2792-27-0x0000000001360000-0x00000000013A4000-memory.dmp

Filesize
272KB

Download
memory/2792-29-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2792-52-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2892-48-0x0000000001120000-0x000000000115E000-memory.dmp

Filesize
248KB

Download
memory/2928-26-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

Filesize
4KB

Download
memory/2928-28-0x00000000010E0000-0x000000000111E000-memory.dmp

Filesize
248KB

Download