agenttesla | 4a97062cd26aaa6430826f03ab22cd25668218b53b34c374e885e5820ee264f2

General

Target

PO_001412.doc
Size

445KB
MD5

7eb650183d4d3a9c79d897d11d54547d
SHA1

7a4f83f1fcacc6402032bdc309dd91d3e36c2549
SHA256

4a97062cd26aaa6430826f03ab22cd25668218b53b34c374e885e5820ee264f2
SHA512

c4ecfe0a6a2a48691278d44a198d2826b7fa5246da9ff2c93086b490e6dbdfcd7ffdc7763c96e8cae9fddefb7633884e02f58a8934f156b44543403e96f4e061

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.phuboatrading-vn.com
Port:
587
Username:
logs@phuboatrading-vn.com
Password:
of2ZCW1li4ipTfyE

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/528-78-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/528-79-0x000000000043767E-mapping.dmp	family_agenttesla
behavioral1/memory/528-81-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

6 524 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 4 IoCs

Processes:

ashley85323.exeashley85323.exeashley85323.exeashley85323.exe

pid process

1316 ashley85323.exe
1400 ashley85323.exe
988 ashley85323.exe
528 ashley85323.exe
Loads dropped DLL 1 IoCs

Processes:

EQNEDT32.EXE

pid process

524 EQNEDT32.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
Suspicious use of SetThreadContext 1 IoCs

Processes:

ashley85323.exe

description pid process target process

PID 1316 set thread context of 528 1316 ashley85323.exe ashley85323.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
Office loads VBA resources, possible macro or embedded object present
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

524 EQNEDT32.EXE

flow	pid	process
6	524	EQNEDT32.EXE

pid	process
1316	ashley85323.exe
1400	ashley85323.exe
988	ashley85323.exe
528	ashley85323.exe

pid	process
524	EQNEDT32.EXE

description	pid	process	target process
PID 1316 set thread context of 528	1316	ashley85323.exe	ashley85323.exe

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

pid	process
524	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1768 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

ashley85323.exeashley85323.exe

pid process

1316 ashley85323.exe
1316 ashley85323.exe
1316 ashley85323.exe
1316 ashley85323.exe
528 ashley85323.exe
528 ashley85323.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ashley85323.exeashley85323.exe

description pid process

Token: SeDebugPrivilege 1316 ashley85323.exe
Token: SeDebugPrivilege 528 ashley85323.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

WINWORD.EXEashley85323.exe

pid process

1768 WINWORD.EXE
1768 WINWORD.EXE
528 ashley85323.exe

pid	process
1768	WINWORD.EXE

pid	process
1316	ashley85323.exe
1316	ashley85323.exe
1316	ashley85323.exe
1316	ashley85323.exe
528	ashley85323.exe
528	ashley85323.exe

description	pid	process
Token: SeDebugPrivilege	1316	ashley85323.exe
Token: SeDebugPrivilege	528	ashley85323.exe

pid	process
1768	WINWORD.EXE
1768	WINWORD.EXE
528	ashley85323.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

EQNEDT32.EXEWINWORD.EXEashley85323.exe

description	pid	process	target process
PID 524 wrote to memory of 1316	524	EQNEDT32.EXE	ashley85323.exe
PID 524 wrote to memory of 1316	524	EQNEDT32.EXE	ashley85323.exe
PID 524 wrote to memory of 1316	524	EQNEDT32.EXE	ashley85323.exe
PID 524 wrote to memory of 1316	524	EQNEDT32.EXE	ashley85323.exe
PID 1768 wrote to memory of 1732	1768	WINWORD.EXE	splwow64.exe
PID 1768 wrote to memory of 1732	1768	WINWORD.EXE	splwow64.exe
PID 1768 wrote to memory of 1732	1768	WINWORD.EXE	splwow64.exe
PID 1768 wrote to memory of 1732	1768	WINWORD.EXE	splwow64.exe
PID 1316 wrote to memory of 1400	1316	ashley85323.exe	ashley85323.exe
PID 1316 wrote to memory of 1400	1316	ashley85323.exe	ashley85323.exe
PID 1316 wrote to memory of 1400	1316	ashley85323.exe	ashley85323.exe
PID 1316 wrote to memory of 1400	1316	ashley85323.exe	ashley85323.exe
PID 1316 wrote to memory of 988	1316	ashley85323.exe	ashley85323.exe
PID 1316 wrote to memory of 988	1316	ashley85323.exe	ashley85323.exe
PID 1316 wrote to memory of 988	1316	ashley85323.exe	ashley85323.exe
PID 1316 wrote to memory of 988	1316	ashley85323.exe	ashley85323.exe
PID 1316 wrote to memory of 528	1316	ashley85323.exe	ashley85323.exe
PID 1316 wrote to memory of 528	1316	ashley85323.exe	ashley85323.exe
PID 1316 wrote to memory of 528	1316	ashley85323.exe	ashley85323.exe
PID 1316 wrote to memory of 528	1316	ashley85323.exe	ashley85323.exe
PID 1316 wrote to memory of 528	1316	ashley85323.exe	ashley85323.exe
PID 1316 wrote to memory of 528	1316	ashley85323.exe	ashley85323.exe
PID 1316 wrote to memory of 528	1316	ashley85323.exe	ashley85323.exe
PID 1316 wrote to memory of 528	1316	ashley85323.exe	ashley85323.exe
PID 1316 wrote to memory of 528	1316	ashley85323.exe	ashley85323.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\PO_001412.doc"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1768

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1732

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:524

C:\Users\Admin\AppData\Roaming\ashley85323.exe
"C:\Users\Admin\AppData\Roaming\ashley85323.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1316

C:\Users\Admin\AppData\Roaming\ashley85323.exe
"{path}"
3⤵
- Executes dropped EXE
PID:1400

C:\Users\Admin\AppData\Roaming\ashley85323.exe
"{path}"
3⤵
- Executes dropped EXE
PID:988

C:\Users\Admin\AppData\Roaming\ashley85323.exe
"{path}"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:528

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Exploitation for Client Execution

1

T1203

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\ashley85323.exe
MD5
34d4452c1b344685e3f5fd7d0e9640a1

SHA1
bb42e71329d2ad4baff54600020eb7053cc53026

SHA256
65e210b78d73141c61b7087dce60499ca6c225e1b028d3951589c93baa8f0668

SHA512
516b564b12a80d67cd4437af8ca86acd65b3ad8536786da3e6851cbbf8ffad33f47ca1f0c9dcd8e83002d4c1dc6d387aa6dc5759be04da782e8d1e99b0b1fde9

Download Submit
C:\Users\Admin\AppData\Roaming\ashley85323.exe
MD5
34d4452c1b344685e3f5fd7d0e9640a1

SHA1
bb42e71329d2ad4baff54600020eb7053cc53026

SHA256
65e210b78d73141c61b7087dce60499ca6c225e1b028d3951589c93baa8f0668

SHA512
516b564b12a80d67cd4437af8ca86acd65b3ad8536786da3e6851cbbf8ffad33f47ca1f0c9dcd8e83002d4c1dc6d387aa6dc5759be04da782e8d1e99b0b1fde9

Download Submit
C:\Users\Admin\AppData\Roaming\ashley85323.exe
MD5
34d4452c1b344685e3f5fd7d0e9640a1

SHA1
bb42e71329d2ad4baff54600020eb7053cc53026

SHA256
65e210b78d73141c61b7087dce60499ca6c225e1b028d3951589c93baa8f0668

SHA512
516b564b12a80d67cd4437af8ca86acd65b3ad8536786da3e6851cbbf8ffad33f47ca1f0c9dcd8e83002d4c1dc6d387aa6dc5759be04da782e8d1e99b0b1fde9

Download Submit
C:\Users\Admin\AppData\Roaming\ashley85323.exe
MD5
34d4452c1b344685e3f5fd7d0e9640a1

SHA1
bb42e71329d2ad4baff54600020eb7053cc53026

SHA256
65e210b78d73141c61b7087dce60499ca6c225e1b028d3951589c93baa8f0668

SHA512
516b564b12a80d67cd4437af8ca86acd65b3ad8536786da3e6851cbbf8ffad33f47ca1f0c9dcd8e83002d4c1dc6d387aa6dc5759be04da782e8d1e99b0b1fde9

Download Submit
C:\Users\Admin\AppData\Roaming\ashley85323.exe
MD5
34d4452c1b344685e3f5fd7d0e9640a1

SHA1
bb42e71329d2ad4baff54600020eb7053cc53026

SHA256
65e210b78d73141c61b7087dce60499ca6c225e1b028d3951589c93baa8f0668

SHA512
516b564b12a80d67cd4437af8ca86acd65b3ad8536786da3e6851cbbf8ffad33f47ca1f0c9dcd8e83002d4c1dc6d387aa6dc5759be04da782e8d1e99b0b1fde9

Download Submit
\Users\Admin\AppData\Roaming\ashley85323.exe
MD5
34d4452c1b344685e3f5fd7d0e9640a1

SHA1
bb42e71329d2ad4baff54600020eb7053cc53026

SHA256
65e210b78d73141c61b7087dce60499ca6c225e1b028d3951589c93baa8f0668

SHA512
516b564b12a80d67cd4437af8ca86acd65b3ad8536786da3e6851cbbf8ffad33f47ca1f0c9dcd8e83002d4c1dc6d387aa6dc5759be04da782e8d1e99b0b1fde9

Download Submit
memory/524-63-0x0000000075D11000-0x0000000075D13000-memory.dmp

Filesize
8KB

Download
memory/528-79-0x000000000043767E-mapping.dmp

Download
memory/528-81-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/528-85-0x0000000004B21000-0x0000000004B22000-memory.dmp

Filesize
4KB

Download
memory/528-83-0x0000000004B20000-0x0000000004B21000-memory.dmp

Filesize
4KB

Download
memory/528-78-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1316-70-0x0000000004D40000-0x0000000004D41000-memory.dmp

Filesize
4KB

Download
memory/1316-71-0x00000000005D0000-0x00000000005DE000-memory.dmp

Filesize
56KB

Download
memory/1316-68-0x0000000000030000-0x0000000000031000-memory.dmp

Filesize
4KB

Download
memory/1316-74-0x0000000007D80000-0x0000000007E23000-memory.dmp

Filesize
652KB

Download
memory/1316-75-0x0000000005950000-0x00000000059B1000-memory.dmp

Filesize
388KB

Download
memory/1316-65-0x0000000000000000-mapping.dmp

Download
memory/1732-73-0x000007FEFC251000-0x000007FEFC253000-memory.dmp

Filesize
8KB

Download
memory/1732-72-0x0000000000000000-mapping.dmp

Download
memory/1768-61-0x00000000707D1000-0x00000000707D3000-memory.dmp

Filesize
8KB

Download
memory/1768-60-0x0000000072D51000-0x0000000072D54000-memory.dmp

Filesize
12KB

Download
memory/1768-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1768-84-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads