agenttesla | 54b175b518548b1747c84b4b8e0409cf62ca3665ee71eb6cd5a5bb518c49ca38

General

Target

DHL_document11022020680908911.exe
Size

42KB
MD5

cca99eb08126318aeb968714aef69a78
SHA1

0db4248ac7403351b1e7458cbf5544caede53ee9
SHA256

54b175b518548b1747c84b4b8e0409cf62ca3665ee71eb6cd5a5bb518c49ca38
SHA512

4009fc30f965936f11cb9d9e59e5ddcb595df913fd83dede3ae93382a2937e730adec8321ceb45d4d007b3e7432a781605b0af817379ce1e031b466ada0d11d5

Score

10^/10

agenttesla collection evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.mail.ru
Port:
587
Username:
Businessgroup84@mail.ru
Password:
xxxlahot2

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Windows security bypass 2 TTPs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3136-144-0x0000000006770000-0x00000000067A6000-memory.dmp	family_agenttesla

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

Windows security modification 2 TTPs 4 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

DHL_document11022020680908911.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths	DHL_document11022020680908911.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions	DHL_document11022020680908911.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\Cursors\뻄뺷뺵뺺뺊뻃뺩뺜뺴뻌뺉뺈뺉뺷뺉\svchost.exe = "0"	DHL_document11022020680908911.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\DHL_document11022020680908911.exe = "0"	DHL_document11022020680908911.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

DHL_document11022020680908911.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_document11022020680908911.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_document11022020680908911.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_document11022020680908911.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

DHL_document11022020680908911.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run\TmZaMAa = "C:\\Users\\Admin\\AppData\\Roaming\\TmZaMAa\\TmZaMAa.exe"	DHL_document11022020680908911.exe

Drops file in Windows directory 2 IoCs

Processes:

DHL_document11022020680908911.exe

description	ioc	process
File created	C:\Windows\Cursors\뻄뺷뺵뺺뺊뻃뺩뺜뺴뻌뺉뺈뺉뺷뺉\svchost.exe	DHL_document11022020680908911.exe
File opened for modification	C:\Windows\Cursors\뻄뺷뺵뺺뺊뻃뺩뺜뺴뻌뺉뺈뺉뺷뺉\svchost.exe	DHL_document11022020680908911.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 11 IoCs

Processes:

powershell.exepowershell.exepowershell.exeDHL_document11022020680908911.exe

pid	process
3928	powershell.exe
3956	powershell.exe
648	powershell.exe
3136	DHL_document11022020680908911.exe
3136	DHL_document11022020680908911.exe
3928	powershell.exe
648	powershell.exe
3956	powershell.exe
3928	powershell.exe
3956	powershell.exe
648	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

DHL_document11022020680908911.exepowershell.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	3136	DHL_document11022020680908911.exe
Token: SeDebugPrivilege	648	powershell.exe
Token: SeDebugPrivilege	3928	powershell.exe
Token: SeDebugPrivilege	3956	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

DHL_document11022020680908911.exe

description	pid	process	target process
PID 3136 wrote to memory of 3928	3136	DHL_document11022020680908911.exe	powershell.exe
PID 3136 wrote to memory of 3928	3136	DHL_document11022020680908911.exe	powershell.exe
PID 3136 wrote to memory of 3928	3136	DHL_document11022020680908911.exe	powershell.exe
PID 3136 wrote to memory of 648	3136	DHL_document11022020680908911.exe	powershell.exe
PID 3136 wrote to memory of 648	3136	DHL_document11022020680908911.exe	powershell.exe
PID 3136 wrote to memory of 648	3136	DHL_document11022020680908911.exe	powershell.exe
PID 3136 wrote to memory of 3956	3136	DHL_document11022020680908911.exe	powershell.exe
PID 3136 wrote to memory of 3956	3136	DHL_document11022020680908911.exe	powershell.exe
PID 3136 wrote to memory of 3956	3136	DHL_document11022020680908911.exe	powershell.exe

outlook_office_path 1 IoCs

Processes:

DHL_document11022020680908911.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_document11022020680908911.exe

outlook_win_path 1 IoCs

Processes:

DHL_document11022020680908911.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_document11022020680908911.exe

C:\Users\Admin\AppData\Local\Temp\DHL_document11022020680908911.exe
"C:\Users\Admin\AppData\Local\Temp\DHL_document11022020680908911.exe"
1⤵
- Windows security modification
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:3136

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Windows\Cursors\뻄뺷뺵뺺뺊뻃뺩뺜뺴뻌뺉뺈뺉뺷뺉\svchost.exe" -Force
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3928

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\DHL_document11022020680908911.exe" -Force
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:648

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Windows\Cursors\뻄뺷뺵뺺뺊뻃뺩뺜뺴뻌뺉뺈뺉뺷뺉\svchost.exe" -Force
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3956

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Disabling Security Tools

2

T1089

Modify Registry

3

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\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
MD5
1c19c16e21c97ed42d5beabc93391fc5

SHA1
8ad83f8e0b3acf8dfbbf87931e41f0d664c4df68

SHA256
1bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05

SHA512
7d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
MD5
7247129cd0644457905b7d6bf17fd078

SHA1
dbf9139b5a1b72141f170d2eae911bbbe7e128c8

SHA256
dfa6e0d79449f29310b2a0400dc7fa5a3a6b08182233147a81902d1f80a0f8e4

SHA512
9b1ebd7fe485811f10ec02778d90a7f7eccafa0231027b640b94eaed8408107051da7fcc4f17a9aa0eef900fa2595f44be7fd115331fb6da9b10076f5fcf87e0

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
MD5
7247129cd0644457905b7d6bf17fd078

SHA1
dbf9139b5a1b72141f170d2eae911bbbe7e128c8

SHA256
dfa6e0d79449f29310b2a0400dc7fa5a3a6b08182233147a81902d1f80a0f8e4

SHA512
9b1ebd7fe485811f10ec02778d90a7f7eccafa0231027b640b94eaed8408107051da7fcc4f17a9aa0eef900fa2595f44be7fd115331fb6da9b10076f5fcf87e0

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
MD5
ed55d019c1eaa16f1b436ab70ab07273

SHA1
2d02679f0055778fc5b30c09d1ce5c37228630f4

SHA256
3fbac217ac859ba9f9e2e72050b1d4d2cdfd7e1dbbe1513582700e297a26432c

SHA512
3bda93f008c162f06aaf41a24be43a1b3c74e077fb70704074acc456fbeb430f28363efc5d0b4119e7160da0731dfab2c5c7fcf70844c5b6fbb8f337325ff9c9

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
MD5
ed55d019c1eaa16f1b436ab70ab07273

SHA1
2d02679f0055778fc5b30c09d1ce5c37228630f4

SHA256
3fbac217ac859ba9f9e2e72050b1d4d2cdfd7e1dbbe1513582700e297a26432c

SHA512
3bda93f008c162f06aaf41a24be43a1b3c74e077fb70704074acc456fbeb430f28363efc5d0b4119e7160da0731dfab2c5c7fcf70844c5b6fbb8f337325ff9c9

Download Submit
memory/648-160-0x00000000081A0000-0x00000000081A1000-memory.dmp

Filesize
4KB

Download
memory/648-255-0x0000000006E83000-0x0000000006E84000-memory.dmp

Filesize
4KB

Download
memory/648-167-0x0000000002FD0000-0x0000000002FD1000-memory.dmp

Filesize
4KB

Download
memory/648-141-0x0000000006E82000-0x0000000006E83000-memory.dmp

Filesize
4KB

Download
memory/648-124-0x0000000000000000-mapping.dmp

Download
memory/648-194-0x000000007F5C0000-0x000000007F5C1000-memory.dmp

Filesize
4KB

Download
memory/648-127-0x0000000002FD0000-0x0000000002FD1000-memory.dmp

Filesize
4KB

Download
memory/648-128-0x0000000002FD0000-0x0000000002FD1000-memory.dmp

Filesize
4KB

Download
memory/648-140-0x0000000006E80000-0x0000000006E81000-memory.dmp

Filesize
4KB

Download
memory/648-188-0x00000000091D0000-0x0000000009203000-memory.dmp

Filesize
204KB

Download
memory/3136-135-0x00000000065B0000-0x00000000065B1000-memory.dmp

Filesize
4KB

Download
memory/3136-120-0x00000000069B0000-0x00000000069B1000-memory.dmp

Filesize
4KB

Download
memory/3136-138-0x0000000006570000-0x0000000006571000-memory.dmp

Filesize
4KB

Download
memory/3136-117-0x0000000004950000-0x0000000004951000-memory.dmp

Filesize
4KB

Download
memory/3136-118-0x0000000006410000-0x0000000006411000-memory.dmp

Filesize
4KB

Download
memory/3136-119-0x0000000004310000-0x0000000004391000-memory.dmp

Filesize
516KB

Download
memory/3136-144-0x0000000006770000-0x00000000067A6000-memory.dmp

Filesize
216KB

Download
memory/3136-115-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/3928-123-0x0000000004550000-0x0000000004551000-memory.dmp

Filesize
4KB

Download
memory/3928-137-0x0000000006BF0000-0x0000000006BF1000-memory.dmp

Filesize
4KB

Download
memory/3928-121-0x0000000000000000-mapping.dmp

Download
memory/3928-253-0x0000000006BF3000-0x0000000006BF4000-memory.dmp

Filesize
4KB

Download
memory/3928-151-0x0000000007170000-0x0000000007171000-memory.dmp

Filesize
4KB

Download
memory/3928-130-0x0000000007230000-0x0000000007231000-memory.dmp

Filesize
4KB

Download
memory/3928-198-0x000000007F600000-0x000000007F601000-memory.dmp

Filesize
4KB

Download
memory/3928-122-0x0000000004550000-0x0000000004551000-memory.dmp

Filesize
4KB

Download
memory/3928-163-0x0000000008280000-0x0000000008281000-memory.dmp

Filesize
4KB

Download
memory/3928-126-0x0000000004660000-0x0000000004661000-memory.dmp

Filesize
4KB

Download
memory/3928-139-0x0000000006BF2000-0x0000000006BF3000-memory.dmp

Filesize
4KB

Download
memory/3928-170-0x0000000004550000-0x0000000004551000-memory.dmp

Filesize
4KB

Download
memory/3956-142-0x0000000006C00000-0x0000000006C01000-memory.dmp

Filesize
4KB

Download
memory/3956-166-0x0000000002C30000-0x0000000002C31000-memory.dmp

Filesize
4KB

Download
memory/3956-157-0x0000000007890000-0x0000000007891000-memory.dmp

Filesize
4KB

Download
memory/3956-190-0x000000007E440000-0x000000007E441000-memory.dmp

Filesize
4KB

Download
memory/3956-154-0x0000000007A50000-0x0000000007A51000-memory.dmp

Filesize
4KB

Download
memory/3956-148-0x0000000007100000-0x0000000007101000-memory.dmp

Filesize
4KB

Download
memory/3956-260-0x0000000006C03000-0x0000000006C04000-memory.dmp

Filesize
4KB

Download
memory/3956-145-0x0000000007060000-0x0000000007061000-memory.dmp

Filesize
4KB

Download
memory/3956-143-0x0000000006C02000-0x0000000006C03000-memory.dmp

Filesize
4KB

Download
memory/3956-133-0x0000000002C30000-0x0000000002C31000-memory.dmp

Filesize
4KB

Download
memory/3956-132-0x0000000002C30000-0x0000000002C31000-memory.dmp

Filesize
4KB

Download
memory/3956-125-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads