agenttesla | 1ef2fc0aab93c49f0444356a341862061df6e0046db7c2c0239e7ad94dbcc76d

General

Target

Commercial Invoice PDF.exe
Size

822KB
MD5

5a12438b3b4c926c12a9376c7bf13426
SHA1

c3185c6a5e5f07a5befbe4af7131d05634f5d1a3
SHA256

1a794211deaa0ecb6abc6101d7c1bd61111b4dd2d895ee7ecf78fbf17f4c9ab3
SHA512

16c1e0e18eb8b3345b8b05443b782cb1dd35492ac986811c39f3cdce8dfe85b003aba029ffca0e38aa33c951d0d08281825152b0e239471eac3de18ac67864d0
SSDEEP

12288:tEqnHvjNIrpf9rN/mc/CaBmIwsyaPSIir97G6NLOZCGKEgbjuPBB5uO12rq:txPjKr5BNDWVxcSIiRG6atlB5N

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.fascia-arch.com
Port:
587
Username:
brian@fascia-arch.com
Password:
HERbertstown1987
Email To:
donj5425@gmail.com

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Commercial Invoice PDF.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\BjTxJte = "C:\\Users\\Admin\\AppData\\Roaming\\BjTxJte\\BjTxJte.exe"	Commercial Invoice PDF.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 api.ipify.org
5 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Commercial Invoice PDF.exe

description pid process target process

PID 2412 set thread context of 2572 2412 Commercial Invoice PDF.exe Commercial Invoice PDF.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

2568 schtasks.exe

flow	ioc
4	api.ipify.org
5	api.ipify.org

description	pid	process	target process
PID 2412 set thread context of 2572	2412	Commercial Invoice PDF.exe	Commercial Invoice PDF.exe

pid	process
2568	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

Commercial Invoice PDF.exeCommercial Invoice PDF.exepowershell.exepowershell.exe

pid	process
2412	Commercial Invoice PDF.exe
2412	Commercial Invoice PDF.exe
2412	Commercial Invoice PDF.exe
2572	Commercial Invoice PDF.exe
2572	Commercial Invoice PDF.exe
2604	powershell.exe
2660	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

Commercial Invoice PDF.exeCommercial Invoice PDF.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	2412	Commercial Invoice PDF.exe
Token: SeDebugPrivilege	2572	Commercial Invoice PDF.exe
Token: SeDebugPrivilege	2604	powershell.exe
Token: SeDebugPrivilege	2660	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Commercial Invoice PDF.exe

pid process

2572 Commercial Invoice PDF.exe

pid	process
2572	Commercial Invoice PDF.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

Commercial Invoice PDF.exe

description	pid	process	target process
PID 2412 wrote to memory of 2604	2412	Commercial Invoice PDF.exe	powershell.exe
PID 2412 wrote to memory of 2604	2412	Commercial Invoice PDF.exe	powershell.exe
PID 2412 wrote to memory of 2604	2412	Commercial Invoice PDF.exe	powershell.exe
PID 2412 wrote to memory of 2604	2412	Commercial Invoice PDF.exe	powershell.exe
PID 2412 wrote to memory of 2660	2412	Commercial Invoice PDF.exe	powershell.exe
PID 2412 wrote to memory of 2660	2412	Commercial Invoice PDF.exe	powershell.exe
PID 2412 wrote to memory of 2660	2412	Commercial Invoice PDF.exe	powershell.exe
PID 2412 wrote to memory of 2660	2412	Commercial Invoice PDF.exe	powershell.exe
PID 2412 wrote to memory of 2568	2412	Commercial Invoice PDF.exe	schtasks.exe
PID 2412 wrote to memory of 2568	2412	Commercial Invoice PDF.exe	schtasks.exe
PID 2412 wrote to memory of 2568	2412	Commercial Invoice PDF.exe	schtasks.exe
PID 2412 wrote to memory of 2568	2412	Commercial Invoice PDF.exe	schtasks.exe
PID 2412 wrote to memory of 2572	2412	Commercial Invoice PDF.exe	Commercial Invoice PDF.exe
PID 2412 wrote to memory of 2572	2412	Commercial Invoice PDF.exe	Commercial Invoice PDF.exe
PID 2412 wrote to memory of 2572	2412	Commercial Invoice PDF.exe	Commercial Invoice PDF.exe
PID 2412 wrote to memory of 2572	2412	Commercial Invoice PDF.exe	Commercial Invoice PDF.exe
PID 2412 wrote to memory of 2572	2412	Commercial Invoice PDF.exe	Commercial Invoice PDF.exe
PID 2412 wrote to memory of 2572	2412	Commercial Invoice PDF.exe	Commercial Invoice PDF.exe
PID 2412 wrote to memory of 2572	2412	Commercial Invoice PDF.exe	Commercial Invoice PDF.exe
PID 2412 wrote to memory of 2572	2412	Commercial Invoice PDF.exe	Commercial Invoice PDF.exe
PID 2412 wrote to memory of 2572	2412	Commercial Invoice PDF.exe	Commercial Invoice PDF.exe

C:\Users\Admin\AppData\Local\Temp\Commercial Invoice PDF.exe
"C:\Users\Admin\AppData\Local\Temp\Commercial Invoice PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2412

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\Commercial Invoice PDF.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2604

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CmxzrHBB.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2660

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CmxzrHBB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4116.tmp"
2⤵
- Creates scheduled task(s)
PID:2568

C:\Users\Admin\AppData\Local\Temp\Commercial Invoice PDF.exe
"C:\Users\Admin\AppData\Local\Temp\Commercial Invoice PDF.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2572

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

4

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4116.tmp
Filesize
1KB

MD5
a351be93d764fb87c712ab5921235f3d

SHA1
a2ba73db945c05802db324a9f4a5f0384a26feab

SHA256
a6bda8df90a60518ad4f70efdf00b1c47b426d9fe2535a578982ba743a6f902d

SHA512
fb6d6b771dbf71aa8bc414e926b3797e67f18b2a8d2047437ef0f5c3e5c802e1b4a76fda4f9573eb149a31d9e81a860fd7d71b3757e66d3b76b8fc0d9f1a6023

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\73VCM2F573FJNH1IH2EE.temp
Filesize
7KB

MD5
762b0abad3217110d05435e7ed0f9dd5

SHA1
785efb781402ccedaa86f487571301cb2938b286

SHA256
59585a58f13c4c7c306bd96c5dde3ffa093fec71dcdc1dc1c624c9c9875061e3

SHA512
fceb7bf6ab203491484c9b789c9eb4f032fb6a6c359d73d0db49fa78be10e05b4032e083bcc8033b65fd696195c4be3bb5973804d21823339b8663e4a3b93412

Download Submit
memory/2412-31-0x0000000074840000-0x0000000074F2E000-memory.dmp

Filesize
6.9MB

Download
memory/2412-1-0x0000000074840000-0x0000000074F2E000-memory.dmp

Filesize
6.9MB

Download
memory/2412-2-0x00000000050C0000-0x0000000005100000-memory.dmp

Filesize
256KB

Download
memory/2412-3-0x0000000000270000-0x0000000000290000-memory.dmp

Filesize
128KB

Download
memory/2412-4-0x00000000002A0000-0x00000000002B4000-memory.dmp

Filesize
80KB

Download
memory/2412-5-0x0000000005B40000-0x0000000005BC4000-memory.dmp

Filesize
528KB

Download
memory/2412-0-0x0000000000840000-0x0000000000914000-memory.dmp

Filesize
848KB

Download
memory/2572-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2572-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2572-27-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2572-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2572-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2572-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2572-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2572-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads