agenttesla | 9c9d3701bb36c5fc3498ca7d57d553ee644ddd6daa8e551b80b2d109bdd08d35

General

Target

Flight details.doc
Size

132KB
MD5

85585f5162a053f177019cec24e86375
SHA1

720f60ada0426fe82aabaa4c3f8db95c2e09b07a
SHA256

9c9d3701bb36c5fc3498ca7d57d553ee644ddd6daa8e551b80b2d109bdd08d35
SHA512

6f1f1fae3a7d5a16611df9f46e78b57d72721499b7ad7b79bc2054d71b02c9245338a8f6ffd19e4b23944ae511c08c9eb02e788bbe26e5b940703b41bd9c38ea

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.orienttech.com.qa
Port:
587
Username:
[email protected]
Password:
Op{^fLb9gN[!

Signatures

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

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1012-21-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1012-22-0x00000000004374AE-mapping.dmp	family_agenttesla
behavioral1/memory/1012-25-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

6 664 EQNEDT32.EXE
Executes dropped EXE 2 IoCs

Processes:

joe6541.exejoe6541.exe

pid process

432 joe6541.exe
1012 joe6541.exe
Loads dropped DLL 2 IoCs

Processes:

EQNEDT32.EXE

pid process

664 EQNEDT32.EXE
664 EQNEDT32.EXE
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

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

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

Data from Local System
T1005

Credentials in Files
T1081

flow	pid	process
6	664	EQNEDT32.EXE

pid	process
664	EQNEDT32.EXE
664	EQNEDT32.EXE

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

joe6541.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\NewApp = "C:\\Users\\Admin\\AppData\\Roaming\\NewApp\\NewApp.exe"	joe6541.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 12 IoCs

Processes:

joe6541.exe

pid	process
432	joe6541.exe
432	joe6541.exe
432	joe6541.exe
432	joe6541.exe
432	joe6541.exe
432	joe6541.exe
432	joe6541.exe
432	joe6541.exe
432	joe6541.exe
432	joe6541.exe
432	joe6541.exe
432	joe6541.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

joe6541.exe

description pid process target process

PID 432 set thread context of 1012 432 joe6541.exe joe6541.exe
Drops file in Windows directory 1 IoCs

Processes:

WINWORD.EXE

description ioc process

File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1484 432 WerFault.exe joe6541.exe
Office loads VBA resources, possible macro or embedded object present
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

872 timeout.exe
Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
exploit

Exploitation for Client Execution
T1203

Processes:

EQNEDT32.EXE

pid process

664 EQNEDT32.EXE

description	pid	process	target process
PID 432 set thread context of 1012	432	joe6541.exe	joe6541.exe

description	ioc	process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

pid	pid_target	process	target process
1484	432	WerFault.exe	joe6541.exe

pid	process
872	timeout.exe

pid	process
664	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1340 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

joe6541.exejoe6541.exe

pid process

432 joe6541.exe
432 joe6541.exe
432 joe6541.exe
1012 joe6541.exe
1012 joe6541.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

joe6541.exejoe6541.exe

description pid process

Token: SeDebugPrivilege 432 joe6541.exe
Token: SeDebugPrivilege 1012 joe6541.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

WINWORD.EXEjoe6541.exe

pid process

1340 WINWORD.EXE
1340 WINWORD.EXE
1012 joe6541.exe

pid	process
1340	WINWORD.EXE

description	pid	process
Token: SeDebugPrivilege	432	joe6541.exe
Token: SeDebugPrivilege	1012	joe6541.exe

pid	process
1340	WINWORD.EXE
1340	WINWORD.EXE
1012	joe6541.exe

Suspicious use of WriteProcessMemory 29 IoCs

Processes:

EQNEDT32.EXEWINWORD.EXEjoe6541.execmd.exe

description	pid	process	target process
PID 664 wrote to memory of 432	664	EQNEDT32.EXE	joe6541.exe
PID 664 wrote to memory of 432	664	EQNEDT32.EXE	joe6541.exe
PID 664 wrote to memory of 432	664	EQNEDT32.EXE	joe6541.exe
PID 664 wrote to memory of 432	664	EQNEDT32.EXE	joe6541.exe
PID 1340 wrote to memory of 1036	1340	WINWORD.EXE	splwow64.exe
PID 1340 wrote to memory of 1036	1340	WINWORD.EXE	splwow64.exe
PID 1340 wrote to memory of 1036	1340	WINWORD.EXE	splwow64.exe
PID 1340 wrote to memory of 1036	1340	WINWORD.EXE	splwow64.exe
PID 432 wrote to memory of 900	432	joe6541.exe	cmd.exe
PID 432 wrote to memory of 900	432	joe6541.exe	cmd.exe
PID 432 wrote to memory of 900	432	joe6541.exe	cmd.exe
PID 432 wrote to memory of 900	432	joe6541.exe	cmd.exe
PID 900 wrote to memory of 872	900	cmd.exe	timeout.exe
PID 900 wrote to memory of 872	900	cmd.exe	timeout.exe
PID 900 wrote to memory of 872	900	cmd.exe	timeout.exe
PID 900 wrote to memory of 872	900	cmd.exe	timeout.exe
PID 432 wrote to memory of 1012	432	joe6541.exe	joe6541.exe
PID 432 wrote to memory of 1012	432	joe6541.exe	joe6541.exe
PID 432 wrote to memory of 1012	432	joe6541.exe	joe6541.exe
PID 432 wrote to memory of 1012	432	joe6541.exe	joe6541.exe
PID 432 wrote to memory of 1012	432	joe6541.exe	joe6541.exe
PID 432 wrote to memory of 1012	432	joe6541.exe	joe6541.exe
PID 432 wrote to memory of 1012	432	joe6541.exe	joe6541.exe
PID 432 wrote to memory of 1012	432	joe6541.exe	joe6541.exe
PID 432 wrote to memory of 1012	432	joe6541.exe	joe6541.exe
PID 432 wrote to memory of 1484	432	joe6541.exe	WerFault.exe
PID 432 wrote to memory of 1484	432	joe6541.exe	WerFault.exe
PID 432 wrote to memory of 1484	432	joe6541.exe	WerFault.exe
PID 432 wrote to memory of 1484	432	joe6541.exe	WerFault.exe

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Flight details.doc"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1340

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1036

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
1⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:664

C:\Users\Admin\AppData\Roaming\joe6541.exe
"C:\Users\Admin\AppData\Roaming\joe6541.exe"
2⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:432

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout 1
3⤵
- Suspicious use of WriteProcessMemory
PID:900

C:\Windows\SysWOW64\timeout.exe
timeout 1
4⤵
- Delays execution with timeout.exe
PID:872

C:\Users\Admin\AppData\Roaming\joe6541.exe
"C:\Users\Admin\AppData\Roaming\joe6541.exe"
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 432 -s 1128
3⤵
- Program crash
PID:1484

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Exploitation for Client Execution

1

T1203

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\joe6541.exe
MD5
9decf18e822a2b03210185facccba692

SHA1
620b31f55ddad8ae34067f945cc0b7a7933e8538

SHA256
17a68f9da8d4a8ad6bedb9e2245d88ec5d368ed97c4de660057a1b4ef17b848a

SHA512
e0f8b91244e0fe7f0e734599957c59dd4afdbad2fa6b8b7f97f7c792855b8ef8667406c89fcc195c6612a606338cff6ce5bb91f512c17399e37ef47a0f4f47ad

Download Submit
C:\Users\Admin\AppData\Roaming\joe6541.exe
MD5
9decf18e822a2b03210185facccba692

SHA1
620b31f55ddad8ae34067f945cc0b7a7933e8538

SHA256
17a68f9da8d4a8ad6bedb9e2245d88ec5d368ed97c4de660057a1b4ef17b848a

SHA512
e0f8b91244e0fe7f0e734599957c59dd4afdbad2fa6b8b7f97f7c792855b8ef8667406c89fcc195c6612a606338cff6ce5bb91f512c17399e37ef47a0f4f47ad

Download Submit
C:\Users\Admin\AppData\Roaming\joe6541.exe
MD5
9decf18e822a2b03210185facccba692

SHA1
620b31f55ddad8ae34067f945cc0b7a7933e8538

SHA256
17a68f9da8d4a8ad6bedb9e2245d88ec5d368ed97c4de660057a1b4ef17b848a

SHA512
e0f8b91244e0fe7f0e734599957c59dd4afdbad2fa6b8b7f97f7c792855b8ef8667406c89fcc195c6612a606338cff6ce5bb91f512c17399e37ef47a0f4f47ad

Download Submit
\Users\Admin\AppData\Roaming\joe6541.exe
MD5
9decf18e822a2b03210185facccba692

SHA1
620b31f55ddad8ae34067f945cc0b7a7933e8538

SHA256
17a68f9da8d4a8ad6bedb9e2245d88ec5d368ed97c4de660057a1b4ef17b848a

SHA512
e0f8b91244e0fe7f0e734599957c59dd4afdbad2fa6b8b7f97f7c792855b8ef8667406c89fcc195c6612a606338cff6ce5bb91f512c17399e37ef47a0f4f47ad

Download Submit
\Users\Admin\AppData\Roaming\joe6541.exe
MD5
9decf18e822a2b03210185facccba692

SHA1
620b31f55ddad8ae34067f945cc0b7a7933e8538

SHA256
17a68f9da8d4a8ad6bedb9e2245d88ec5d368ed97c4de660057a1b4ef17b848a

SHA512
e0f8b91244e0fe7f0e734599957c59dd4afdbad2fa6b8b7f97f7c792855b8ef8667406c89fcc195c6612a606338cff6ce5bb91f512c17399e37ef47a0f4f47ad

Download Submit
memory/432-15-0x0000000001DA0000-0x0000000001DA1000-memory.dmp

Filesize
4KB

Download
memory/432-18-0x0000000001DE0000-0x0000000001E27000-memory.dmp

Filesize
284KB

Download
memory/432-9-0x0000000000000000-mapping.dmp

Download
memory/432-12-0x000000006B810000-0x000000006BEFE000-memory.dmp

Filesize
6.9MB

Download
memory/432-13-0x0000000000030000-0x0000000000031000-memory.dmp

Filesize
4KB

Download
memory/664-5-0x0000000076691000-0x0000000076693000-memory.dmp

Filesize
8KB

Download
memory/872-20-0x0000000000000000-mapping.dmp

Download
memory/900-19-0x0000000000000000-mapping.dmp

Download
memory/1012-24-0x000000006B810000-0x000000006BEFE000-memory.dmp

Filesize
6.9MB

Download
memory/1012-29-0x0000000004801000-0x0000000004802000-memory.dmp

Filesize
4KB

Download
memory/1012-28-0x0000000004800000-0x0000000004801000-memory.dmp

Filesize
4KB

Download
memory/1012-21-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1012-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1012-22-0x00000000004374AE-mapping.dmp

Download
memory/1036-17-0x000007FEFC271000-0x000007FEFC273000-memory.dmp

Filesize
8KB

Download
memory/1036-16-0x0000000000000000-mapping.dmp

Download
memory/1340-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1340-3-0x0000000070651000-0x0000000070653000-memory.dmp

Filesize
8KB

Download
memory/1340-2-0x0000000072BD1000-0x0000000072BD4000-memory.dmp

Filesize
12KB

Download
memory/1484-27-0x0000000000000000-mapping.dmp

Download
memory/1600-6-0x000007FEF7D20000-0x000007FEF7F9A000-memory.dmp

Filesize
2.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads