agenttesla | d16c23015e1e8c42aaf428c4d375c9780ff1b3d24a904249844a25eb829be095

General

Target

TTSwiftCopy.exe
Size

644KB
MD5

bcf2c90283102d3d58781e22ead750db
SHA1

719d8160cfb6d8801fa462c47da9be16dbfa86ea
SHA256

ae693716029a02fbd7ba621099b54a85874c4f85b224e4f271ddcf8039492453
SHA512

b69b487b3bf5745ab0643c6d26a209eb64a42ec21670937d05476b69c25c1bde3877bfe3a6956e379b33bced347920fc7d5170a8d65d0617ffd8ee3d199b783d

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.flexiitankpack.com
Port:
587
Username:
james@flexiitankpack.com
Password:
N#ddFGL2

Signatures

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

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1628-68-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1628-69-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1628-70-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1628-71-0x000000000044601E-mapping.dmp	family_agenttesla
behavioral1/memory/1628-74-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1628-76-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Executes dropped EXE 2 IoCs

Processes:

AppDataFile.exeRegAsm.exe

pid process

1944 AppDataFile.exe
1628 RegAsm.exe
Loads dropped DLL 3 IoCs

Processes:

TTSwiftCopy.exeAppDataFile.exeRegAsm.exe

pid process

1708 TTSwiftCopy.exe
1944 AppDataFile.exe
1628 RegAsm.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

pid	process
1944	AppDataFile.exe
1628	RegAsm.exe

pid	process
1708	TTSwiftCopy.exe
1944	AppDataFile.exe
1628	RegAsm.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.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-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\AppDataFile = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\Documents\\AppDataFile.exe"	reg.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

AppDataFile.exe

description pid process target process

PID 1944 set thread context of 1628 1944 AppDataFile.exe RegAsm.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 7 IoCs

Processes:

TTSwiftCopy.exeAppDataFile.exeRegAsm.exe

pid process

1708 TTSwiftCopy.exe
1708 TTSwiftCopy.exe
1944 AppDataFile.exe
1944 AppDataFile.exe
1944 AppDataFile.exe
1628 RegAsm.exe
1628 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

TTSwiftCopy.exeAppDataFile.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 1708 TTSwiftCopy.exe
Token: SeDebugPrivilege 1944 AppDataFile.exe
Token: SeDebugPrivilege 1628 RegAsm.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegAsm.exe

pid process

1628 RegAsm.exe

description	pid	process	target process
PID 1944 set thread context of 1628	1944	AppDataFile.exe	RegAsm.exe

pid	process
1708	TTSwiftCopy.exe
1708	TTSwiftCopy.exe
1944	AppDataFile.exe
1944	AppDataFile.exe
1944	AppDataFile.exe
1628	RegAsm.exe
1628	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	1708	TTSwiftCopy.exe
Token: SeDebugPrivilege	1944	AppDataFile.exe
Token: SeDebugPrivilege	1628	RegAsm.exe

pid	process
1628	RegAsm.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

TTSwiftCopy.execmd.exeAppDataFile.exe

description	pid	process	target process
PID 1708 wrote to memory of 2044	1708	TTSwiftCopy.exe	cmd.exe
PID 1708 wrote to memory of 2044	1708	TTSwiftCopy.exe	cmd.exe
PID 1708 wrote to memory of 2044	1708	TTSwiftCopy.exe	cmd.exe
PID 1708 wrote to memory of 2044	1708	TTSwiftCopy.exe	cmd.exe
PID 2044 wrote to memory of 2028	2044	cmd.exe	reg.exe
PID 2044 wrote to memory of 2028	2044	cmd.exe	reg.exe
PID 2044 wrote to memory of 2028	2044	cmd.exe	reg.exe
PID 2044 wrote to memory of 2028	2044	cmd.exe	reg.exe
PID 1708 wrote to memory of 1944	1708	TTSwiftCopy.exe	AppDataFile.exe
PID 1708 wrote to memory of 1944	1708	TTSwiftCopy.exe	AppDataFile.exe
PID 1708 wrote to memory of 1944	1708	TTSwiftCopy.exe	AppDataFile.exe
PID 1708 wrote to memory of 1944	1708	TTSwiftCopy.exe	AppDataFile.exe
PID 1944 wrote to memory of 1628	1944	AppDataFile.exe	RegAsm.exe
PID 1944 wrote to memory of 1628	1944	AppDataFile.exe	RegAsm.exe
PID 1944 wrote to memory of 1628	1944	AppDataFile.exe	RegAsm.exe
PID 1944 wrote to memory of 1628	1944	AppDataFile.exe	RegAsm.exe
PID 1944 wrote to memory of 1628	1944	AppDataFile.exe	RegAsm.exe
PID 1944 wrote to memory of 1628	1944	AppDataFile.exe	RegAsm.exe
PID 1944 wrote to memory of 1628	1944	AppDataFile.exe	RegAsm.exe
PID 1944 wrote to memory of 1628	1944	AppDataFile.exe	RegAsm.exe
PID 1944 wrote to memory of 1628	1944	AppDataFile.exe	RegAsm.exe
PID 1944 wrote to memory of 1628	1944	AppDataFile.exe	RegAsm.exe
PID 1944 wrote to memory of 1628	1944	AppDataFile.exe	RegAsm.exe
PID 1944 wrote to memory of 1628	1944	AppDataFile.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\TTSwiftCopy.exe
"C:\Users\Admin\AppData\Local\Temp\TTSwiftCopy.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1708

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v AppDataFile /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\Documents\AppDataFile.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2044

C:\Windows\SysWOW64\reg.exe
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v AppDataFile /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\Documents\AppDataFile.exe"
3⤵
- Adds Run key to start application
PID:2028

C:\Users\Admin\Documents\AppDataFile.exe
"C:\Users\Admin\Documents\AppDataFile.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1944

C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
"C:\Users\Admin\AppData\Local\Temp\RegAsm.exe"
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1628

MITRE ATT&CK Matrix ATT&CK 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

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
Filesize
63KB

MD5
b58b926c3574d28d5b7fdd2ca3ec30d5

SHA1
d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

SHA256
6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

SHA512
b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

Download Submit
C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
Filesize
63KB

MD5
b58b926c3574d28d5b7fdd2ca3ec30d5

SHA1
d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

SHA256
6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

SHA512
b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

Download Submit
C:\Users\Admin\Documents\AppDataFile.exe
Filesize
644KB

MD5
bcf2c90283102d3d58781e22ead750db

SHA1
719d8160cfb6d8801fa462c47da9be16dbfa86ea

SHA256
ae693716029a02fbd7ba621099b54a85874c4f85b224e4f271ddcf8039492453

SHA512
b69b487b3bf5745ab0643c6d26a209eb64a42ec21670937d05476b69c25c1bde3877bfe3a6956e379b33bced347920fc7d5170a8d65d0617ffd8ee3d199b783d

Download Submit
C:\Users\Admin\Documents\AppDataFile.exe
Filesize
644KB

MD5
bcf2c90283102d3d58781e22ead750db

SHA1
719d8160cfb6d8801fa462c47da9be16dbfa86ea

SHA256
ae693716029a02fbd7ba621099b54a85874c4f85b224e4f271ddcf8039492453

SHA512
b69b487b3bf5745ab0643c6d26a209eb64a42ec21670937d05476b69c25c1bde3877bfe3a6956e379b33bced347920fc7d5170a8d65d0617ffd8ee3d199b783d

Download Submit
\Users\Admin\AppData\Local\Temp\RegAsm.exe
Filesize
63KB

MD5
b58b926c3574d28d5b7fdd2ca3ec30d5

SHA1
d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

SHA256
6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

SHA512
b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

Download Submit
\Users\Admin\AppData\Local\Temp\RegAsm.exe
Filesize
63KB

MD5
b58b926c3574d28d5b7fdd2ca3ec30d5

SHA1
d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

SHA256
6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

SHA512
b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

Download Submit
\Users\Admin\Documents\AppDataFile.exe
Filesize
644KB

MD5
bcf2c90283102d3d58781e22ead750db

SHA1
719d8160cfb6d8801fa462c47da9be16dbfa86ea

SHA256
ae693716029a02fbd7ba621099b54a85874c4f85b224e4f271ddcf8039492453

SHA512
b69b487b3bf5745ab0643c6d26a209eb64a42ec21670937d05476b69c25c1bde3877bfe3a6956e379b33bced347920fc7d5170a8d65d0617ffd8ee3d199b783d

Download Submit
memory/1628-70-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1628-69-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1628-77-0x00000000763E1000-0x00000000763E3000-memory.dmp

Filesize
8KB

Download
memory/1628-76-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1628-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1628-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1628-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1628-74-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1628-71-0x000000000044601E-mapping.dmp

Download
memory/1708-54-0x0000000000890000-0x0000000000938000-memory.dmp

Filesize
672KB

Download
memory/1708-55-0x0000000000300000-0x000000000030A000-memory.dmp

Filesize
40KB

Download
memory/1944-62-0x0000000000BE0000-0x0000000000C88000-memory.dmp

Filesize
672KB

Download
memory/1944-59-0x0000000000000000-mapping.dmp

Download
memory/2028-57-0x0000000000000000-mapping.dmp

Download
memory/2044-56-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads