agenttesla | 3a6f6da5183576d9360afba90ea7055507837c0ce5f32699cec8da807c08d1ab

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

Credentials

Protocol: smtp
Host:
mail.fascia-arch.com
Port:
587
Username:
[email protected]
Password:
HERbertstown1987

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.fascia-arch.com
Port:
587
Username:
[email protected]
Password:
HERbertstown1987
Email To:
[email protected]

Signatures

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

Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4264-46-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4264-46-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4264-46-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4264-46-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4264-46-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4264-46-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Commercial Invoice PDF.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\International\Geo\Nation	Commercial Invoice PDF.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

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-1-5-21-540404634-651139247-2967210625-1000\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

14 api.ipify.org
15 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Commercial Invoice PDF.exe

description pid process target process

PID 4068 set thread context of 4264 4068 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

3228 schtasks.exe

flow	ioc
14	api.ipify.org
15	api.ipify.org

description	pid	process	target process
PID 4068 set thread context of 4264	4068	Commercial Invoice PDF.exe	Commercial Invoice PDF.exe

pid	process
3228	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

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

pid	process
4068	Commercial Invoice PDF.exe
4068	Commercial Invoice PDF.exe
4916	powershell.exe
1224	powershell.exe
4068	Commercial Invoice PDF.exe
4068	Commercial Invoice PDF.exe
4068	Commercial Invoice PDF.exe
4916	powershell.exe
4264	Commercial Invoice PDF.exe
4264	Commercial Invoice PDF.exe
1224	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

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

description	pid	process
Token: SeDebugPrivilege	4068	Commercial Invoice PDF.exe
Token: SeDebugPrivilege	4916	powershell.exe
Token: SeDebugPrivilege	1224	powershell.exe
Token: SeDebugPrivilege	4264	Commercial Invoice PDF.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Commercial Invoice PDF.exe

pid process

4264 Commercial Invoice PDF.exe

pid	process
4264	Commercial Invoice PDF.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

Commercial Invoice PDF.exe

description	pid	process	target process
PID 4068 wrote to memory of 4916	4068	Commercial Invoice PDF.exe	powershell.exe
PID 4068 wrote to memory of 4916	4068	Commercial Invoice PDF.exe	powershell.exe
PID 4068 wrote to memory of 4916	4068	Commercial Invoice PDF.exe	powershell.exe
PID 4068 wrote to memory of 1224	4068	Commercial Invoice PDF.exe	powershell.exe
PID 4068 wrote to memory of 1224	4068	Commercial Invoice PDF.exe	powershell.exe
PID 4068 wrote to memory of 1224	4068	Commercial Invoice PDF.exe	powershell.exe
PID 4068 wrote to memory of 3228	4068	Commercial Invoice PDF.exe	schtasks.exe
PID 4068 wrote to memory of 3228	4068	Commercial Invoice PDF.exe	schtasks.exe
PID 4068 wrote to memory of 3228	4068	Commercial Invoice PDF.exe	schtasks.exe
PID 4068 wrote to memory of 4424	4068	Commercial Invoice PDF.exe	Commercial Invoice PDF.exe
PID 4068 wrote to memory of 4424	4068	Commercial Invoice PDF.exe	Commercial Invoice PDF.exe
PID 4068 wrote to memory of 4424	4068	Commercial Invoice PDF.exe	Commercial Invoice PDF.exe
PID 4068 wrote to memory of 4264	4068	Commercial Invoice PDF.exe	Commercial Invoice PDF.exe
PID 4068 wrote to memory of 4264	4068	Commercial Invoice PDF.exe	Commercial Invoice PDF.exe
PID 4068 wrote to memory of 4264	4068	Commercial Invoice PDF.exe	Commercial Invoice PDF.exe
PID 4068 wrote to memory of 4264	4068	Commercial Invoice PDF.exe	Commercial Invoice PDF.exe
PID 4068 wrote to memory of 4264	4068	Commercial Invoice PDF.exe	Commercial Invoice PDF.exe
PID 4068 wrote to memory of 4264	4068	Commercial Invoice PDF.exe	Commercial Invoice PDF.exe
PID 4068 wrote to memory of 4264	4068	Commercial Invoice PDF.exe	Commercial Invoice PDF.exe
PID 4068 wrote to memory of 4264	4068	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⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4068

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:4916

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:1224

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CmxzrHBB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6D7F.tmp"
2⤵
- Creates scheduled task(s)
PID:3228

C:\Users\Admin\AppData\Local\Temp\Commercial Invoice PDF.exe
"C:\Users\Admin\AppData\Local\Temp\Commercial Invoice PDF.exe"
2⤵
PID:4424

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:4264

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

Query Registry

1

T1012

System Information Discovery

2

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\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
18KB

MD5
25cce41c2b369a9b78bbd93e3db9acde

SHA1
6314ef5ebbbc0a54d7985de90b3ac382134f8789

SHA256
d49dee514ede5b1334061fc370a594b2d4b8c72f7f89a8d40e42adb5057280b2

SHA512
104e05f45dad8f87ca54581788e51beecced915fd7a5a54952a8e3eda6e0a9f99b4db8169741e183dc14e6755f4e7c8a36a118a4e702467bfbf66400ccca8375

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_phcrspij.qua.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6D7F.tmp
Filesize
1KB

MD5
1f39d6539088edc730e7dfafdd5a54be

SHA1
4a17275e3dc2d4b84b5a35a47debaafba9686fe4

SHA256
1d3b0014bbdd3dd17ae9e4ee5d5f8e3385cba4c45e3fcb39ddc49bfdbb3ca7c6

SHA512
eb6c73990b43b34681033a950670802b6ba17d1ae0b8f3f21d17e01a8627ceb81c188ac60276924db0e6f580200614004f61983d29a465f32b70736b52920450

Download Submit
memory/1224-80-0x0000000007EC0000-0x0000000007ED4000-memory.dmp

Filesize
80KB

Download
memory/1224-31-0x0000000006360000-0x00000000063C6000-memory.dmp

Filesize
408KB

Download
memory/1224-75-0x0000000007C80000-0x0000000007C9A000-memory.dmp

Filesize
104KB

Download
memory/1224-74-0x00000000082C0000-0x000000000893A000-memory.dmp

Filesize
6.5MB

Download
memory/1224-76-0x0000000007CF0000-0x0000000007CFA000-memory.dmp

Filesize
40KB

Download
memory/1224-79-0x0000000007EB0000-0x0000000007EBE000-memory.dmp

Filesize
56KB

Download
memory/1224-25-0x0000000006280000-0x00000000062E6000-memory.dmp

Filesize
408KB

Download
memory/1224-63-0x0000000075750000-0x000000007579C000-memory.dmp

Filesize
304KB

Download
memory/1224-81-0x0000000007FC0000-0x0000000007FDA000-memory.dmp

Filesize
104KB

Download
memory/1224-86-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/1224-23-0x0000000003050000-0x0000000003060000-memory.dmp

Filesize
64KB

Download
memory/1224-82-0x0000000007FA0000-0x0000000007FA8000-memory.dmp

Filesize
32KB

Download
memory/1224-20-0x0000000003050000-0x0000000003060000-memory.dmp

Filesize
64KB

Download
memory/1224-19-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/4068-48-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/4068-6-0x0000000006720000-0x0000000006740000-memory.dmp

Filesize
128KB

Download
memory/4068-2-0x0000000005760000-0x0000000005D04000-memory.dmp

Filesize
5.6MB

Download
memory/4068-0-0x0000000000780000-0x0000000000854000-memory.dmp

Filesize
848KB

Download
memory/4068-1-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/4068-4-0x0000000005450000-0x0000000005460000-memory.dmp

Filesize
64KB

Download
memory/4068-22-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/4068-5-0x0000000005220000-0x000000000522A000-memory.dmp

Filesize
40KB

Download
memory/4068-8-0x00000000090E0000-0x0000000009164000-memory.dmp

Filesize
528KB

Download
memory/4068-3-0x0000000005250000-0x00000000052E2000-memory.dmp

Filesize
584KB

Download
memory/4068-9-0x000000000C200000-0x000000000C29C000-memory.dmp

Filesize
624KB

Download
memory/4068-7-0x0000000006590000-0x00000000065A4000-memory.dmp

Filesize
80KB

Download
memory/4264-89-0x0000000006C80000-0x0000000006CD0000-memory.dmp

Filesize
320KB

Download
memory/4264-46-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4916-16-0x0000000004EE0000-0x0000000004EF0000-memory.dmp

Filesize
64KB

Download
memory/4916-73-0x00000000074E0000-0x0000000007583000-memory.dmp

Filesize
652KB

Download
memory/4916-62-0x00000000068C0000-0x00000000068DE000-memory.dmp

Filesize
120KB

Download
memory/4916-52-0x0000000075750000-0x000000007579C000-memory.dmp

Filesize
304KB

Download
memory/4916-51-0x00000000072A0000-0x00000000072D2000-memory.dmp

Filesize
200KB

Download
memory/4916-50-0x0000000006820000-0x000000000686C000-memory.dmp

Filesize
304KB

Download
memory/4916-77-0x0000000007890000-0x0000000007926000-memory.dmp

Filesize
600KB

Download
memory/4916-78-0x0000000007810000-0x0000000007821000-memory.dmp

Filesize
68KB

Download
memory/4916-49-0x00000000062D0000-0x00000000062EE000-memory.dmp

Filesize
120KB

Download
memory/4916-37-0x0000000005C90000-0x0000000005FE4000-memory.dmp

Filesize
3.3MB

Download
memory/4916-24-0x0000000005310000-0x0000000005332000-memory.dmp

Filesize
136KB

Download
memory/4916-18-0x0000000004EE0000-0x0000000004EF0000-memory.dmp

Filesize
64KB

Download
memory/4916-17-0x0000000005520000-0x0000000005B48000-memory.dmp

Filesize
6.2MB

Download
memory/4916-87-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/4916-15-0x0000000074EE0000-0x0000000075690000-memory.dmp

Filesize
7.7MB

Download
memory/4916-14-0x0000000002990000-0x00000000029C6000-memory.dmp

Filesize
216KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads