agenttesla | cea0cc8ffc824b546a1d7451135cf391f007f5d8c034c2cfa0ea4cdb81710221

General

Target

BL copy 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:

BL copy 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"	BL copy 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:

BL copy PDF.exe

description pid process target process

PID 2928 set thread context of 2996 2928 BL copy PDF.exe BL copy 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

2600 schtasks.exe
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

BL copy PDF.exeBL copy PDF.exepowershell.exepowershell.exe

pid process

2928 BL copy PDF.exe
2928 BL copy PDF.exe
2928 BL copy PDF.exe
2996 BL copy PDF.exe
2996 BL copy PDF.exe
2728 powershell.exe
2128 powershell.exe

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

description	pid	process	target process
PID 2928 set thread context of 2996	2928	BL copy PDF.exe	BL copy PDF.exe

pid	process
2600	schtasks.exe

pid	process
2928	BL copy PDF.exe
2928	BL copy PDF.exe
2928	BL copy PDF.exe
2996	BL copy PDF.exe
2996	BL copy PDF.exe
2728	powershell.exe
2128	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

BL copy PDF.exeBL copy PDF.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	2928	BL copy PDF.exe
Token: SeDebugPrivilege	2996	BL copy PDF.exe
Token: SeDebugPrivilege	2728	powershell.exe
Token: SeDebugPrivilege	2128	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

BL copy PDF.exe

pid process

2996 BL copy PDF.exe

pid	process
2996	BL copy PDF.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

BL copy PDF.exe

description	pid	process	target process
PID 2928 wrote to memory of 2128	2928	BL copy PDF.exe	powershell.exe
PID 2928 wrote to memory of 2128	2928	BL copy PDF.exe	powershell.exe
PID 2928 wrote to memory of 2128	2928	BL copy PDF.exe	powershell.exe
PID 2928 wrote to memory of 2128	2928	BL copy PDF.exe	powershell.exe
PID 2928 wrote to memory of 2728	2928	BL copy PDF.exe	powershell.exe
PID 2928 wrote to memory of 2728	2928	BL copy PDF.exe	powershell.exe
PID 2928 wrote to memory of 2728	2928	BL copy PDF.exe	powershell.exe
PID 2928 wrote to memory of 2728	2928	BL copy PDF.exe	powershell.exe
PID 2928 wrote to memory of 2600	2928	BL copy PDF.exe	schtasks.exe
PID 2928 wrote to memory of 2600	2928	BL copy PDF.exe	schtasks.exe
PID 2928 wrote to memory of 2600	2928	BL copy PDF.exe	schtasks.exe
PID 2928 wrote to memory of 2600	2928	BL copy PDF.exe	schtasks.exe
PID 2928 wrote to memory of 2996	2928	BL copy PDF.exe	BL copy PDF.exe
PID 2928 wrote to memory of 2996	2928	BL copy PDF.exe	BL copy PDF.exe
PID 2928 wrote to memory of 2996	2928	BL copy PDF.exe	BL copy PDF.exe
PID 2928 wrote to memory of 2996	2928	BL copy PDF.exe	BL copy PDF.exe
PID 2928 wrote to memory of 2996	2928	BL copy PDF.exe	BL copy PDF.exe
PID 2928 wrote to memory of 2996	2928	BL copy PDF.exe	BL copy PDF.exe
PID 2928 wrote to memory of 2996	2928	BL copy PDF.exe	BL copy PDF.exe
PID 2928 wrote to memory of 2996	2928	BL copy PDF.exe	BL copy PDF.exe
PID 2928 wrote to memory of 2996	2928	BL copy PDF.exe	BL copy PDF.exe

C:\Users\Admin\AppData\Local\Temp\BL copy PDF.exe
"C:\Users\Admin\AppData\Local\Temp\BL copy PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2928

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\BL copy PDF.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2128

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:2728

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CmxzrHBB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp40C8.tmp"
2⤵
- Creates scheduled task(s)
PID:2600

C:\Users\Admin\AppData\Local\Temp\BL copy PDF.exe
"C:\Users\Admin\AppData\Local\Temp\BL copy PDF.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2996

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\tmp40C8.tmp
Filesize
1KB

MD5
a351be93d764fb87c712ab5921235f3d

SHA1
a2ba73db945c05802db324a9f4a5f0384a26feab

SHA256
a6bda8df90a60518ad4f70efdf00b1c47b426d9fe2535a578982ba743a6f902d

SHA512
fb6d6b771dbf71aa8bc414e926b3797e67f18b2a8d2047437ef0f5c3e5c802e1b4a76fda4f9573eb149a31d9e81a860fd7d71b3757e66d3b76b8fc0d9f1a6023

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\ZBFSU8W5MT0CA3AJLII6.temp
Filesize
7KB

MD5
ded9601cebabe199ade0c6d7cf5f9f69

SHA1
98acc75c684903c8c9c813653e253dad2aeed7b5

SHA256
07070d1d3093cd19ba837a4694d15916790eca8f14df471ffff5b3d768691444

SHA512
aa62b1a6cd582ed52b9257003f344e562cb6db3670a2f017456e5f7bf2de290740dc7f6ad845089657cf6a7d541129535d7e651feb69aabeb5e37a99ce549fcb

Download Submit
memory/2928-31-0x0000000074A50000-0x000000007513E000-memory.dmp

Filesize
6.9MB

Download
memory/2928-1-0x0000000074A50000-0x000000007513E000-memory.dmp

Filesize
6.9MB

Download
memory/2928-2-0x0000000000AF0000-0x0000000000B30000-memory.dmp

Filesize
256KB

Download
memory/2928-3-0x0000000000AC0000-0x0000000000AE0000-memory.dmp

Filesize
128KB

Download
memory/2928-4-0x0000000000B40000-0x0000000000B54000-memory.dmp

Filesize
80KB

Download
memory/2928-5-0x00000000058A0000-0x0000000005924000-memory.dmp

Filesize
528KB

Download
memory/2928-0-0x0000000000D70000-0x0000000000E44000-memory.dmp

Filesize
848KB

Download
memory/2996-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2996-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2996-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2996-27-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2996-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2996-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2996-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2996-18-0x0000000000400000-0x0000000000442000-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