agenttesla | 21dc7ae344a0f3080e4ad377e1f70d0e61c77c189ff7b3f6f8de77ef01276dc9

Analysis

max time kernel
120s
max time network
128s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-09-2024 17:57

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General

Target

Purchase order.exe
Size

1.5MB
MD5

fb3ad7e9cb5938ad1af8facf52693b27
SHA1

4a45c5429a503e8730ebc5261441e91b963510d1
SHA256

d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793
SHA512

bf4dd0c6a664e3e4b3fd584a5bc11d55fd874eabceee066f78ea5eb6ce0ab25fb08732cb1eb8baa96beae173474ff4f761b453a8e8544171e16703b1acbf1b60
SSDEEP

24576:8IFcjHUVcxTE59dcvuc8kXeRYPps4GY4a9qJVX8ScEhAs3PseK0dHosEfzbm:8IFczdarcW/hySXYh9UPvhAKPFFOsw

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.iaa-airferight.com
Port:
587
Username:
[email protected]
Password:
webmaster
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 4 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2628	powershell.exe
2100	powershell.exe
1248	powershell.exe
2892	powershell.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

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2768 set thread context of 1140	2768	Purchase order.exe	36
PID 1140 set thread context of 300	1140	Purchase order.exe	43

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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Purchase order.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Purchase order.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Purchase order.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2588	schtasks.exe
1720	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2628	powershell.exe
2892	powershell.exe
1248	powershell.exe
2100	powershell.exe
300	Purchase order.exe
300	Purchase order.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2628	powershell.exe
Token: SeDebugPrivilege	2892	powershell.exe
Token: SeDebugPrivilege	1248	powershell.exe
Token: SeDebugPrivilege	2100	powershell.exe
Token: SeDebugPrivilege	300	Purchase order.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 2768 wrote to memory of 2892	2768	Purchase order.exe	30
PID 2768 wrote to memory of 2892	2768	Purchase order.exe	30
PID 2768 wrote to memory of 2892	2768	Purchase order.exe	30
PID 2768 wrote to memory of 2892	2768	Purchase order.exe	30
PID 2768 wrote to memory of 2628	2768	Purchase order.exe	32
PID 2768 wrote to memory of 2628	2768	Purchase order.exe	32
PID 2768 wrote to memory of 2628	2768	Purchase order.exe	32
PID 2768 wrote to memory of 2628	2768	Purchase order.exe	32
PID 2768 wrote to memory of 2588	2768	Purchase order.exe	34
PID 2768 wrote to memory of 2588	2768	Purchase order.exe	34
PID 2768 wrote to memory of 2588	2768	Purchase order.exe	34
PID 2768 wrote to memory of 2588	2768	Purchase order.exe	34
PID 2768 wrote to memory of 1140	2768	Purchase order.exe	36
PID 2768 wrote to memory of 1140	2768	Purchase order.exe	36
PID 2768 wrote to memory of 1140	2768	Purchase order.exe	36
PID 2768 wrote to memory of 1140	2768	Purchase order.exe	36
PID 2768 wrote to memory of 1140	2768	Purchase order.exe	36
PID 2768 wrote to memory of 1140	2768	Purchase order.exe	36
PID 2768 wrote to memory of 1140	2768	Purchase order.exe	36
PID 2768 wrote to memory of 1140	2768	Purchase order.exe	36
PID 2768 wrote to memory of 1140	2768	Purchase order.exe	36
PID 1140 wrote to memory of 2100	1140	Purchase order.exe	37
PID 1140 wrote to memory of 2100	1140	Purchase order.exe	37
PID 1140 wrote to memory of 2100	1140	Purchase order.exe	37
PID 1140 wrote to memory of 2100	1140	Purchase order.exe	37
PID 1140 wrote to memory of 1248	1140	Purchase order.exe	38
PID 1140 wrote to memory of 1248	1140	Purchase order.exe	38
PID 1140 wrote to memory of 1248	1140	Purchase order.exe	38
PID 1140 wrote to memory of 1248	1140	Purchase order.exe	38
PID 1140 wrote to memory of 1720	1140	Purchase order.exe	39
PID 1140 wrote to memory of 1720	1140	Purchase order.exe	39
PID 1140 wrote to memory of 1720	1140	Purchase order.exe	39
PID 1140 wrote to memory of 1720	1140	Purchase order.exe	39
PID 1140 wrote to memory of 300	1140	Purchase order.exe	43
PID 1140 wrote to memory of 300	1140	Purchase order.exe	43
PID 1140 wrote to memory of 300	1140	Purchase order.exe	43
PID 1140 wrote to memory of 300	1140	Purchase order.exe	43
PID 1140 wrote to memory of 300	1140	Purchase order.exe	43
PID 1140 wrote to memory of 300	1140	Purchase order.exe	43
PID 1140 wrote to memory of 300	1140	Purchase order.exe	43
PID 1140 wrote to memory of 300	1140	Purchase order.exe	43
PID 1140 wrote to memory of 300	1140	Purchase order.exe	43

C:\Users\Admin\AppData\Local\Temp\Purchase order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2768
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2892
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\eouOCEx.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2628
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eouOCEx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9463.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2588
- C:\Users\Admin\AppData\Local\Temp\Purchase order.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1140
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2100
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wlBldyvi.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1248
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wlBldyvi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC62C.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1720
- - C:\Users\Admin\AppData\Local\Temp\Purchase order.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase order.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:300

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\tmp9463.tmp

Filesize
1KB

MD5
e862903e096beab2d1742f0f3b52ce18

SHA1
4b0f8faa49b47a17316ee0ba961fd9bf82dc44b2

SHA256
503ea70e7c13329da81c03a583a8558106b4ac1c25635abe42c398e1e221cf65

SHA512
5a6f39001071a7d299c07eedfb399a9c387e2a4664357a187cfd55bc1e43a90fbb24ba521df5e09342968ce6707eb7c1a9d616bf68c1bf53e0344614a74b8da5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC62C.tmp

Filesize
1KB

MD5
f2318ecbef5c4dff0abd8b7a31f5fc99

SHA1
6dd09a37a9ba3a3e4250c385a0958b33b60f7c6f

SHA256
01d01f1ddcc0091eb1a23c577f6ee6ebcafa8f0a59f5f784d582a1b153b39cfa

SHA512
74d84df05f6e5329171e822d5a1fd2e4fdd8fcb0e59d5e69b26f6e1cf94d007c86d2d9458f220f0c216d6df0b8ffc7add8f63d55e7e1f3b14ae71a2de69e9244

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
b28b05e09a0b3b445907a3f375b57ea5

SHA1
619a93e739bba4c9600f617aba831bf97af9ed55

SHA256
4b4242fb12f7b2f35f3f8a51b814218957cc0e0cf53822b29f5391437ae3be10

SHA512
3f5036400c25d7c109131d108d6f7bb6bfc4bfdd786b14f18361b611e2134388404ed6acf770785e9704f0fe8849141502911c67cff844cc44b286a4c3efe548

Download Submit
C:\Users\Admin\AppData\Roaming\wlBldyvi.exe

Filesize
1.5MB

MD5
fb3ad7e9cb5938ad1af8facf52693b27

SHA1
4a45c5429a503e8730ebc5261441e91b963510d1

SHA256
d5d6f7922d87a58322e5d4ace6819497d0942b3b22dc10c52f5a37cad8e42793

SHA512
bf4dd0c6a664e3e4b3fd584a5bc11d55fd874eabceee066f78ea5eb6ce0ab25fb08732cb1eb8baa96beae173474ff4f761b453a8e8544171e16703b1acbf1b60

Download Submit
memory/300-48-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/300-50-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/300-52-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/300-54-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/300-56-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/300-57-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/300-58-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/300-59-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1140-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1140-28-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/1140-23-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/1140-21-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/1140-19-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/1140-25-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/1140-33-0x0000000000F50000-0x0000000000FF0000-memory.dmp

Filesize
640KB

Download
memory/1140-34-0x00000000003D0000-0x00000000003E0000-memory.dmp

Filesize
64KB

Download
memory/1140-35-0x00000000054D0000-0x0000000005552000-memory.dmp

Filesize
520KB

Download
memory/1140-31-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/1140-29-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/2768-32-0x0000000073F40000-0x000000007462E000-memory.dmp

Filesize
6.9MB

Download
memory/2768-1-0x0000000001010000-0x0000000001192000-memory.dmp

Filesize
1.5MB

Download
memory/2768-0-0x0000000073F4E000-0x0000000073F4F000-memory.dmp

Filesize
4KB

Download
memory/2768-4-0x0000000073F4E000-0x0000000073F4F000-memory.dmp

Filesize
4KB

Download
memory/2768-2-0x0000000073F40000-0x000000007462E000-memory.dmp

Filesize
6.9MB

Download
memory/2768-3-0x0000000000500000-0x0000000000512000-memory.dmp

Filesize
72KB

Download
memory/2768-6-0x0000000007FE0000-0x00000000080F6000-memory.dmp

Filesize
1.1MB

Download
memory/2768-5-0x0000000073F40000-0x000000007462E000-memory.dmp

Filesize
6.9MB

Download