agenttesla | 517eb00d2c56a5f1f083dcf451664a95cd3732ba4335792dddacb0ed12111613

General

Target

Payment advice.doc.rtf
Size

87KB
MD5

10c55ac6b300e7e64a787ecd1ee95de5
SHA1

d958db330fc03846193371c52ec959ef3f310705
SHA256

517eb00d2c56a5f1f083dcf451664a95cd3732ba4335792dddacb0ed12111613
SHA512

aede5abf1e74c0215ba78fb3173629c2defe576a99d6461589d0f388a0456b5d5a2019c9621f44ca3df7e83ebe7e48b4ddb65cf8f397bb990f1a3e7b440a4eca

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.sodag-agricole.com
Port:
587
Username:
sodag@sodag-agricole.com
Password:
agricole**sodag+1990

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/988-77-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/988-78-0x00000000004374FE-mapping.dmp	family_agenttesla
behavioral1/memory/988-80-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

Processes:

resource	yara_rule
behavioral1/memory/1764-72-0x0000000000670000-0x000000000067B000-memory.dmp	CustAttr

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

6 1796 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

wealthhd259642.exewealthhd259642.exe

pid process

1764 wealthhd259642.exe
988 wealthhd259642.exe
Loads dropped DLL 1 IoCs

Processes:

EQNEDT32.EXE

pid process

1796 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

flow	pid	process
6	1796	EQNEDT32.EXE

pid	process
1764	wealthhd259642.exe
988	wealthhd259642.exe

pid	process
1796	EQNEDT32.EXE

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wealthhd259642.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\xepul = "C:\\Users\\Admin\\AppData\\Roaming\\xepul\\xepul.exe"	wealthhd259642.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

wealthhd259642.exe

description pid process target process

PID 1764 set thread context of 988 1764 wealthhd259642.exe wealthhd259642.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

1796 EQNEDT32.EXE

description	pid	process	target process
PID 1764 set thread context of 988	1764	wealthhd259642.exe	wealthhd259642.exe

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

pid	process
1796	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-1-5-21-2513283230-931923277-594887482-1000\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-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\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

788 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

wealthhd259642.exe

pid process

988 wealthhd259642.exe
988 wealthhd259642.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

wealthhd259642.exe

description pid process

Token: SeDebugPrivilege 988 wealthhd259642.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

WINWORD.EXEwealthhd259642.exe

pid process

788 WINWORD.EXE
788 WINWORD.EXE
988 wealthhd259642.exe

pid	process
788	WINWORD.EXE

pid	process
988	wealthhd259642.exe
988	wealthhd259642.exe

description	pid	process
Token: SeDebugPrivilege	988	wealthhd259642.exe

pid	process
788	WINWORD.EXE
788	WINWORD.EXE
988	wealthhd259642.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

EQNEDT32.EXEWINWORD.EXEwealthhd259642.exe

description	pid	process	target process
PID 1796 wrote to memory of 1764	1796	EQNEDT32.EXE	wealthhd259642.exe
PID 1796 wrote to memory of 1764	1796	EQNEDT32.EXE	wealthhd259642.exe
PID 1796 wrote to memory of 1764	1796	EQNEDT32.EXE	wealthhd259642.exe
PID 1796 wrote to memory of 1764	1796	EQNEDT32.EXE	wealthhd259642.exe
PID 788 wrote to memory of 2000	788	WINWORD.EXE	splwow64.exe
PID 788 wrote to memory of 2000	788	WINWORD.EXE	splwow64.exe
PID 788 wrote to memory of 2000	788	WINWORD.EXE	splwow64.exe
PID 788 wrote to memory of 2000	788	WINWORD.EXE	splwow64.exe
PID 1764 wrote to memory of 988	1764	wealthhd259642.exe	wealthhd259642.exe
PID 1764 wrote to memory of 988	1764	wealthhd259642.exe	wealthhd259642.exe
PID 1764 wrote to memory of 988	1764	wealthhd259642.exe	wealthhd259642.exe
PID 1764 wrote to memory of 988	1764	wealthhd259642.exe	wealthhd259642.exe
PID 1764 wrote to memory of 988	1764	wealthhd259642.exe	wealthhd259642.exe
PID 1764 wrote to memory of 988	1764	wealthhd259642.exe	wealthhd259642.exe
PID 1764 wrote to memory of 988	1764	wealthhd259642.exe	wealthhd259642.exe
PID 1764 wrote to memory of 988	1764	wealthhd259642.exe	wealthhd259642.exe
PID 1764 wrote to memory of 988	1764	wealthhd259642.exe	wealthhd259642.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\Payment advice.doc.rtf"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:788

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:2000

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:1796

C:\Users\Admin\AppData\Roaming\wealthhd259642.exe
"C:\Users\Admin\AppData\Roaming\wealthhd259642.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1764

C:\Users\Admin\AppData\Roaming\wealthhd259642.exe
"C:\Users\Admin\AppData\Roaming\wealthhd259642.exe"
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:988

Network

MITRE ATT&CK Matrix ATT&CK 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

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\wealthhd259642.exe
MD5
0714585676ea049f1a14f896764eff6c

SHA1
e958bc61293fb67c3543abfa2bc8e6382419b7e3

SHA256
640be6f81d11c620516ffa238f5bd69490074acc89286dbbb1f8a1e2727ecff4

SHA512
26b15c1240e8f77bd3d6b953812c1a121c6ea6ce108d4e924bf496c6449929540764f45d0e9d86846aaa624c34d60c748d2f995dcdf5bd43d3146e6064bb13f4

Download Submit
C:\Users\Admin\AppData\Roaming\wealthhd259642.exe
MD5
0714585676ea049f1a14f896764eff6c

SHA1
e958bc61293fb67c3543abfa2bc8e6382419b7e3

SHA256
640be6f81d11c620516ffa238f5bd69490074acc89286dbbb1f8a1e2727ecff4

SHA512
26b15c1240e8f77bd3d6b953812c1a121c6ea6ce108d4e924bf496c6449929540764f45d0e9d86846aaa624c34d60c748d2f995dcdf5bd43d3146e6064bb13f4

Download Submit
C:\Users\Admin\AppData\Roaming\wealthhd259642.exe
MD5
0714585676ea049f1a14f896764eff6c

SHA1
e958bc61293fb67c3543abfa2bc8e6382419b7e3

SHA256
640be6f81d11c620516ffa238f5bd69490074acc89286dbbb1f8a1e2727ecff4

SHA512
26b15c1240e8f77bd3d6b953812c1a121c6ea6ce108d4e924bf496c6449929540764f45d0e9d86846aaa624c34d60c748d2f995dcdf5bd43d3146e6064bb13f4

Download Submit
\Users\Admin\AppData\Roaming\wealthhd259642.exe
MD5
0714585676ea049f1a14f896764eff6c

SHA1
e958bc61293fb67c3543abfa2bc8e6382419b7e3

SHA256
640be6f81d11c620516ffa238f5bd69490074acc89286dbbb1f8a1e2727ecff4

SHA512
26b15c1240e8f77bd3d6b953812c1a121c6ea6ce108d4e924bf496c6449929540764f45d0e9d86846aaa624c34d60c748d2f995dcdf5bd43d3146e6064bb13f4

Download Submit
memory/788-63-0x0000000075551000-0x0000000075553000-memory.dmp

Filesize
8KB

Download
memory/788-60-0x0000000072691000-0x0000000072694000-memory.dmp

Filesize
12KB

Download
memory/788-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/788-83-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/788-61-0x0000000070111000-0x0000000070113000-memory.dmp

Filesize
8KB

Download
memory/988-77-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/988-84-0x0000000004381000-0x0000000004382000-memory.dmp

Filesize
4KB

Download
memory/988-82-0x0000000004380000-0x0000000004381000-memory.dmp

Filesize
4KB

Download
memory/988-80-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/988-78-0x00000000004374FE-mapping.dmp

Download
memory/1764-66-0x0000000000000000-mapping.dmp

Download
memory/1764-76-0x0000000001F40000-0x0000000001F7D000-memory.dmp

Filesize
244KB

Download
memory/1764-75-0x00000000050B0000-0x0000000005132000-memory.dmp

Filesize
520KB

Download
memory/1764-72-0x0000000000670000-0x000000000067B000-memory.dmp

Filesize
44KB

Download
memory/1764-71-0x0000000004D90000-0x0000000004D91000-memory.dmp

Filesize
4KB

Download
memory/1764-69-0x0000000000A00000-0x0000000000A01000-memory.dmp

Filesize
4KB

Download
memory/2000-74-0x000007FEFBC81000-0x000007FEFBC83000-memory.dmp

Filesize
8KB

Download
memory/2000-73-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads