agenttesla | 07f36154cb584be7679faa22398bf9f79ee95639964a73b1f31c0fec6883b842

General

Target

Purchase Order nr53781.doc
Size

310KB
MD5

abf61590ceeb774adc2ecf02f799735b
SHA1

a336b3ba62e428c8eaa7d283ff029180dd77921c
SHA256

07f36154cb584be7679faa22398bf9f79ee95639964a73b1f31c0fec6883b842
SHA512

3f16dc8201eb065176d757b46ff0346dbeede8c28a33535ca09bdd87ece7ae3f95d4c10c21ac1f646ada5e4d4d697986bd478c9707059244fb3227038b3db3d8

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
polar.argondns.net
Port:
587
Username:
[email protected]
Password:
]4&w8LUz9*LT

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/1152-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1152-18-0x00000000004374BE-mapping.dmp	family_agenttesla
behavioral1/memory/1152-21-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

6 1732 EQNEDT32.EXE
Executes dropped EXE 3 IoCs

Processes:

haitian574.scrhaitian574.scrhaitian574.scr

pid process

1504 haitian574.scr
1212 haitian574.scr
1152 haitian574.scr
Loads dropped DLL 1 IoCs

Processes:

EQNEDT32.EXE

pid process

1732 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
Suspicious use of SetThreadContext 1 IoCs

Processes:

haitian574.scr

description pid process target process

PID 1504 set thread context of 1152 1504 haitian574.scr haitian574.scr
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

1732 EQNEDT32.EXE

flow	pid	process
6	1732	EQNEDT32.EXE

pid	process
1504	haitian574.scr
1212	haitian574.scr
1152	haitian574.scr

pid	process
1732	EQNEDT32.EXE

description	pid	process	target process
PID 1504 set thread context of 1152	1504	haitian574.scr	haitian574.scr

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

pid	process
1732	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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1096 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

haitian574.scrhaitian574.scr

pid process

1504 haitian574.scr
1504 haitian574.scr
1152 haitian574.scr
1152 haitian574.scr
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

haitian574.scrhaitian574.scr

description pid process

Token: SeDebugPrivilege 1504 haitian574.scr
Token: SeDebugPrivilege 1152 haitian574.scr
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

1096 WINWORD.EXE
1096 WINWORD.EXE

pid	process
1096	WINWORD.EXE

pid	process
1504	haitian574.scr
1504	haitian574.scr
1152	haitian574.scr
1152	haitian574.scr

description	pid	process
Token: SeDebugPrivilege	1504	haitian574.scr
Token: SeDebugPrivilege	1152	haitian574.scr

pid	process
1096	WINWORD.EXE
1096	WINWORD.EXE

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

EQNEDT32.EXEhaitian574.scr

description	pid	process	target process
PID 1732 wrote to memory of 1504	1732	EQNEDT32.EXE	haitian574.scr
PID 1732 wrote to memory of 1504	1732	EQNEDT32.EXE	haitian574.scr
PID 1732 wrote to memory of 1504	1732	EQNEDT32.EXE	haitian574.scr
PID 1732 wrote to memory of 1504	1732	EQNEDT32.EXE	haitian574.scr
PID 1504 wrote to memory of 1212	1504	haitian574.scr	haitian574.scr
PID 1504 wrote to memory of 1212	1504	haitian574.scr	haitian574.scr
PID 1504 wrote to memory of 1212	1504	haitian574.scr	haitian574.scr
PID 1504 wrote to memory of 1212	1504	haitian574.scr	haitian574.scr
PID 1504 wrote to memory of 1152	1504	haitian574.scr	haitian574.scr
PID 1504 wrote to memory of 1152	1504	haitian574.scr	haitian574.scr
PID 1504 wrote to memory of 1152	1504	haitian574.scr	haitian574.scr
PID 1504 wrote to memory of 1152	1504	haitian574.scr	haitian574.scr
PID 1504 wrote to memory of 1152	1504	haitian574.scr	haitian574.scr
PID 1504 wrote to memory of 1152	1504	haitian574.scr	haitian574.scr
PID 1504 wrote to memory of 1152	1504	haitian574.scr	haitian574.scr
PID 1504 wrote to memory of 1152	1504	haitian574.scr	haitian574.scr
PID 1504 wrote to memory of 1152	1504	haitian574.scr	haitian574.scr

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\Purchase Order nr53781.doc"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1096

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:1732

C:\Users\Admin\AppData\Roaming\haitian574.scr
"C:\Users\Admin\AppData\Roaming\haitian574.scr"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1504

C:\Users\Admin\AppData\Roaming\haitian574.scr
"C:\Users\Admin\AppData\Roaming\haitian574.scr"
3⤵
- Executes dropped EXE
PID:1212

C:\Users\Admin\AppData\Roaming\haitian574.scr
"C:\Users\Admin\AppData\Roaming\haitian574.scr"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1152

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\haitian574.scr
MD5
c355692d41228d977213a283698069d3

SHA1
cdd411a44fc46ee2a498574508610425a63109af

SHA256
d39c4f9e017a562f5d60d3d8576b4dc0f360aed5be9804b7671c7bcaf9046a18

SHA512
8672443fe1c36ba0329d5859ff7d5a9876c390259ef74104a1d29aec67f2af026dd6e3150b6c29a2ca466df6826b4ffd8d62a3abf86db73d9897fa852a86c971

Download Submit
C:\Users\Admin\AppData\Roaming\haitian574.scr
MD5
c355692d41228d977213a283698069d3

SHA1
cdd411a44fc46ee2a498574508610425a63109af

SHA256
d39c4f9e017a562f5d60d3d8576b4dc0f360aed5be9804b7671c7bcaf9046a18

SHA512
8672443fe1c36ba0329d5859ff7d5a9876c390259ef74104a1d29aec67f2af026dd6e3150b6c29a2ca466df6826b4ffd8d62a3abf86db73d9897fa852a86c971

Download Submit
C:\Users\Admin\AppData\Roaming\haitian574.scr
MD5
c355692d41228d977213a283698069d3

SHA1
cdd411a44fc46ee2a498574508610425a63109af

SHA256
d39c4f9e017a562f5d60d3d8576b4dc0f360aed5be9804b7671c7bcaf9046a18

SHA512
8672443fe1c36ba0329d5859ff7d5a9876c390259ef74104a1d29aec67f2af026dd6e3150b6c29a2ca466df6826b4ffd8d62a3abf86db73d9897fa852a86c971

Download Submit
C:\Users\Admin\AppData\Roaming\haitian574.scr
MD5
c355692d41228d977213a283698069d3

SHA1
cdd411a44fc46ee2a498574508610425a63109af

SHA256
d39c4f9e017a562f5d60d3d8576b4dc0f360aed5be9804b7671c7bcaf9046a18

SHA512
8672443fe1c36ba0329d5859ff7d5a9876c390259ef74104a1d29aec67f2af026dd6e3150b6c29a2ca466df6826b4ffd8d62a3abf86db73d9897fa852a86c971

Download Submit
\Users\Admin\AppData\Roaming\haitian574.scr
MD5
c355692d41228d977213a283698069d3

SHA1
cdd411a44fc46ee2a498574508610425a63109af

SHA256
d39c4f9e017a562f5d60d3d8576b4dc0f360aed5be9804b7671c7bcaf9046a18

SHA512
8672443fe1c36ba0329d5859ff7d5a9876c390259ef74104a1d29aec67f2af026dd6e3150b6c29a2ca466df6826b4ffd8d62a3abf86db73d9897fa852a86c971

Download Submit
memory/1096-14-0x0000000001DC0000-0x0000000001DC1000-memory.dmp

Filesize
4KB

Download
memory/1096-3-0x00000000708A1000-0x00000000708A3000-memory.dmp

Filesize
8KB

Download
memory/1096-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1096-2-0x0000000072E21000-0x0000000072E24000-memory.dmp

Filesize
12KB

Download
memory/1152-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1152-18-0x00000000004374BE-mapping.dmp

Download
memory/1152-20-0x000000006BA40000-0x000000006C12E000-memory.dmp

Filesize
6.9MB

Download
memory/1152-21-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1152-23-0x0000000004B20000-0x0000000004B21000-memory.dmp

Filesize
4KB

Download
memory/1152-24-0x0000000004B21000-0x0000000004B22000-memory.dmp

Filesize
4KB

Download
memory/1504-12-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/1504-13-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/1504-11-0x000000006BA40000-0x000000006C12E000-memory.dmp

Filesize
6.9MB

Download
memory/1504-15-0x0000000002240000-0x000000000227E000-memory.dmp

Filesize
248KB

Download
memory/1504-8-0x0000000000000000-mapping.dmp

Download
memory/1732-5-0x0000000075711000-0x0000000075713000-memory.dmp

Filesize
8KB

Download
memory/1764-6-0x000007FEF6930000-0x000007FEF6BAA000-memory.dmp

Filesize
2.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads