agenttesla | ece88969ceffd5da422e26da3c841e69ab4a955ffb0867a6ee86790feb6b9150

General

Target

hesaphareketi000001,pdf.exe
Size

2.9MB
MD5

62365690663bb84166207a981d124d64
SHA1

35a0d45093ab7d5e6acc22b0f1b1ee0eaf38da26
SHA256

d90041e6b2a7deca5936829d8a2f6b9c190abcab6c81c3a99b22d41ed6fffbb0
SHA512

2b35cbbe45a125f373d4f57b1184e12ab88c4cd6c76d51bdc4f928a89bdf324eb4cd036fe9df22c69858bd83d9bfd07b012630ea7ebccbb877373f3c235b1135

Score

10^/10

agenttesla masslogger collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.cappac.com.tr
Port:
587
Username:
[email protected]
Password:
aTlcLVD6nhEE

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
stealer spyware masslogger

MassLogger Main Payload 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1752-130-0x00000000005F0000-0x00000000008D2000-memory.dmp	family_masslogger
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\chromee.exe	family_masslogger
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\chromee.exe	family_masslogger
behavioral2/memory/4200-137-0x0000000000020000-0x0000000000156000-memory.dmp	family_masslogger
behavioral2/memory/1096-149-0x0000000000590000-0x000000000062A000-memory.dmp	family_masslogger

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1752-130-0x00000000005F0000-0x00000000008D2000-memory.dmp	family_agenttesla
behavioral2/memory/5008-141-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Executes dropped EXE 3 IoCs

Processes:

chromee.exeInstallUtil.exeInstallUtil.exe

pid process

4200 chromee.exe
5008 InstallUtil.exe
1096 InstallUtil.exe

pid	process
4200	chromee.exe
5008	InstallUtil.exe
1096	InstallUtil.exe

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:

hesaphareketi000001,pdf.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	hesaphareketi000001,pdf.exe

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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\chromee = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\chromee.exe"	reg.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

hesaphareketi000001,pdf.exechromee.exe

description	pid	process	target process
PID 1752 set thread context of 5008	1752	hesaphareketi000001,pdf.exe	InstallUtil.exe
PID 4200 set thread context of 1096	4200	chromee.exe	InstallUtil.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

hesaphareketi000001,pdf.exechromee.exeInstallUtil.exepowershell.exe

pid	process
1752	hesaphareketi000001,pdf.exe
1752	hesaphareketi000001,pdf.exe
1752	hesaphareketi000001,pdf.exe
4200	chromee.exe
5008	InstallUtil.exe
5008	InstallUtil.exe
4200	chromee.exe
4200	chromee.exe
4896	powershell.exe
4896	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

hesaphareketi000001,pdf.exechromee.exeInstallUtil.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1752	hesaphareketi000001,pdf.exe
Token: SeDebugPrivilege	4200	chromee.exe
Token: SeDebugPrivilege	5008	InstallUtil.exe
Token: SeDebugPrivilege	4896	powershell.exe

Suspicious use of WriteProcessMemory 31 IoCs

Processes:

hesaphareketi000001,pdf.execmd.exechromee.exeInstallUtil.execmd.exe

description	pid	process	target process
PID 1752 wrote to memory of 4200	1752	hesaphareketi000001,pdf.exe	chromee.exe
PID 1752 wrote to memory of 4200	1752	hesaphareketi000001,pdf.exe	chromee.exe
PID 1752 wrote to memory of 4200	1752	hesaphareketi000001,pdf.exe	chromee.exe
PID 1752 wrote to memory of 4596	1752	hesaphareketi000001,pdf.exe	cmd.exe
PID 1752 wrote to memory of 4596	1752	hesaphareketi000001,pdf.exe	cmd.exe
PID 1752 wrote to memory of 4596	1752	hesaphareketi000001,pdf.exe	cmd.exe
PID 4596 wrote to memory of 5036	4596	cmd.exe	reg.exe
PID 4596 wrote to memory of 5036	4596	cmd.exe	reg.exe
PID 4596 wrote to memory of 5036	4596	cmd.exe	reg.exe
PID 1752 wrote to memory of 5008	1752	hesaphareketi000001,pdf.exe	InstallUtil.exe
PID 1752 wrote to memory of 5008	1752	hesaphareketi000001,pdf.exe	InstallUtil.exe
PID 1752 wrote to memory of 5008	1752	hesaphareketi000001,pdf.exe	InstallUtil.exe
PID 1752 wrote to memory of 5008	1752	hesaphareketi000001,pdf.exe	InstallUtil.exe
PID 1752 wrote to memory of 5008	1752	hesaphareketi000001,pdf.exe	InstallUtil.exe
PID 1752 wrote to memory of 5008	1752	hesaphareketi000001,pdf.exe	InstallUtil.exe
PID 1752 wrote to memory of 5008	1752	hesaphareketi000001,pdf.exe	InstallUtil.exe
PID 1752 wrote to memory of 5008	1752	hesaphareketi000001,pdf.exe	InstallUtil.exe
PID 4200 wrote to memory of 1096	4200	chromee.exe	InstallUtil.exe
PID 4200 wrote to memory of 1096	4200	chromee.exe	InstallUtil.exe
PID 4200 wrote to memory of 1096	4200	chromee.exe	InstallUtil.exe
PID 4200 wrote to memory of 1096	4200	chromee.exe	InstallUtil.exe
PID 4200 wrote to memory of 1096	4200	chromee.exe	InstallUtil.exe
PID 4200 wrote to memory of 1096	4200	chromee.exe	InstallUtil.exe
PID 4200 wrote to memory of 1096	4200	chromee.exe	InstallUtil.exe
PID 4200 wrote to memory of 1096	4200	chromee.exe	InstallUtil.exe
PID 1096 wrote to memory of 1200	1096	InstallUtil.exe	cmd.exe
PID 1096 wrote to memory of 1200	1096	InstallUtil.exe	cmd.exe
PID 1096 wrote to memory of 1200	1096	InstallUtil.exe	cmd.exe
PID 1200 wrote to memory of 4896	1200	cmd.exe	powershell.exe
PID 1200 wrote to memory of 4896	1200	cmd.exe	powershell.exe
PID 1200 wrote to memory of 4896	1200	cmd.exe	powershell.exe

outlook_office_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\hesaphareketi000001,pdf.exe
"C:\Users\Admin\AppData\Local\Temp\hesaphareketi000001,pdf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1752

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\chromee.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\chromee.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4200

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1096

C:\Windows\SysWOW64\cmd.exe
"cmd" /c start /b powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe' & exit
4⤵
- Suspicious use of WriteProcessMemory
PID:1200

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe'
5⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4896

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v chromee /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\chromee.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4596

C:\Windows\SysWOW64\reg.exe
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v chromee /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\chromee.exe"
3⤵
- Adds Run key to start application
PID:5036

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:5008

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

Filesize
41KB

MD5
5d4073b2eb6d217c19f2b22f21bf8d57

SHA1
f0209900fbf08d004b886a0b3ba33ea2b0bf9da8

SHA256
ac1a3f21fcc88f9cee7bf51581eafba24cc76c924f0821deb2afdf1080ddf3d3

SHA512
9ac94880684933ba3407cdc135abc3047543436567af14cd9269c4adc5a6535db7b867d6de0d6238a21b94e69f9890dbb5739155871a624520623a7e56872159

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

Filesize
41KB

MD5
5d4073b2eb6d217c19f2b22f21bf8d57

SHA1
f0209900fbf08d004b886a0b3ba33ea2b0bf9da8

SHA256
ac1a3f21fcc88f9cee7bf51581eafba24cc76c924f0821deb2afdf1080ddf3d3

SHA512
9ac94880684933ba3407cdc135abc3047543436567af14cd9269c4adc5a6535db7b867d6de0d6238a21b94e69f9890dbb5739155871a624520623a7e56872159

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

Filesize
41KB

MD5
5d4073b2eb6d217c19f2b22f21bf8d57

SHA1
f0209900fbf08d004b886a0b3ba33ea2b0bf9da8

SHA256
ac1a3f21fcc88f9cee7bf51581eafba24cc76c924f0821deb2afdf1080ddf3d3

SHA512
9ac94880684933ba3407cdc135abc3047543436567af14cd9269c4adc5a6535db7b867d6de0d6238a21b94e69f9890dbb5739155871a624520623a7e56872159

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\chromee.exe

Filesize
1.2MB

MD5
9a4460e1522d6e13d6f326674524c405

SHA1
d8484d2d265f4f5d83917532465210ddf658aa08

SHA256
0122fb26a12f86f9e8eef0498a4d7f350846885bdb8b6ced21a68baa0e73be6b

SHA512
0bd99764516d33191d5bf7b2c3b1f247aad039136892f39c4941c8aa07f4c1cc3935949c1d8c91ec4a28ec3125302357390df9be6187720ccdb0a97221bfa1a2

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\chromee.exe

Filesize
1.2MB

MD5
9a4460e1522d6e13d6f326674524c405

SHA1
d8484d2d265f4f5d83917532465210ddf658aa08

SHA256
0122fb26a12f86f9e8eef0498a4d7f350846885bdb8b6ced21a68baa0e73be6b

SHA512
0bd99764516d33191d5bf7b2c3b1f247aad039136892f39c4941c8aa07f4c1cc3935949c1d8c91ec4a28ec3125302357390df9be6187720ccdb0a97221bfa1a2

Download Submit
memory/1096-146-0x0000000000000000-mapping.dmp

Download
memory/1096-149-0x0000000000590000-0x000000000062A000-memory.dmp

Filesize
616KB

Download
memory/1200-150-0x0000000000000000-mapping.dmp

Download
memory/1752-133-0x0000000005E50000-0x0000000005E94000-memory.dmp

Filesize
272KB

Download
memory/1752-130-0x00000000005F0000-0x00000000008D2000-memory.dmp

Filesize
2.9MB

Download
memory/1752-132-0x0000000005A20000-0x0000000005AB2000-memory.dmp

Filesize
584KB

Download
memory/1752-131-0x0000000005ED0000-0x0000000006474000-memory.dmp

Filesize
5.6MB

Download
memory/4200-137-0x0000000000020000-0x0000000000156000-memory.dmp

Filesize
1.2MB

Download
memory/4200-134-0x0000000000000000-mapping.dmp

Download
memory/4596-138-0x0000000000000000-mapping.dmp

Download
memory/4896-152-0x0000000003030000-0x0000000003066000-memory.dmp

Filesize
216KB

Download
memory/4896-156-0x00000000062D0000-0x0000000006336000-memory.dmp

Filesize
408KB

Download
memory/4896-160-0x0000000006E80000-0x0000000006E9A000-memory.dmp

Filesize
104KB

Download
memory/4896-159-0x00000000081E0000-0x000000000885A000-memory.dmp

Filesize
6.5MB

Download
memory/4896-158-0x0000000006990000-0x00000000069AE000-memory.dmp

Filesize
120KB

Download
memory/4896-151-0x0000000000000000-mapping.dmp

Download
memory/4896-155-0x0000000005A20000-0x0000000005A42000-memory.dmp

Filesize
136KB

Download
memory/4896-153-0x0000000005C30000-0x0000000006258000-memory.dmp

Filesize
6.2MB

Download
memory/5008-154-0x0000000006850000-0x00000000068A0000-memory.dmp

Filesize
320KB

Download
memory/5008-145-0x0000000005FE0000-0x0000000006046000-memory.dmp

Filesize
408KB

Download
memory/5008-157-0x0000000006490000-0x000000000649A000-memory.dmp

Filesize
40KB

Download
memory/5008-140-0x0000000000000000-mapping.dmp

Download
memory/5008-141-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/5008-144-0x0000000005270000-0x000000000530C000-memory.dmp

Filesize
624KB

Download
memory/5036-139-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads