agenttesla | 7e5d0929a23d923994c3b544b5e9b75c08b6871f070f67c0da719f8b4d4f1e9b

General

Target

Shipping Documents.doc
Size

310KB
MD5

7a3e5b886547c1dc69707e8ebc49164c
SHA1

5d986639838db803ecc37c9d0b98916063dde4be
SHA256

7e5d0929a23d923994c3b544b5e9b75c08b6871f070f67c0da719f8b4d4f1e9b
SHA512

5f5bf087361579085d7a2f3dbf3ce0c2f6ad3a8879820d933e1bf89494957596f33177443bea29585c57c64906fb430038d2ffbd9ac1c233b0d8f1ce0283e8bd

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.sardaplywood.com
Port:
587
Username:
[email protected]
Password:
sup123st45

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/1636-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1636-18-0x000000000043769E-mapping.dmp	family_agenttesla
behavioral1/memory/1636-21-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

6 2032 EQNEDT32.EXE
Executes dropped EXE 2 IoCs

Processes:

kdot862684.scrkdot862684.scr

pid process

548 kdot862684.scr
1636 kdot862684.scr
Loads dropped DLL 2 IoCs

Processes:

EQNEDT32.EXE

pid process

2032 EQNEDT32.EXE
2032 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
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

8 api.ipify.org
9 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

kdot862684.scr

description pid process target process

PID 548 set thread context of 1636 548 kdot862684.scr kdot862684.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

2032 EQNEDT32.EXE

flow	pid	process
6	2032	EQNEDT32.EXE

pid	process
548	kdot862684.scr
1636	kdot862684.scr

pid	process
2032	EQNEDT32.EXE
2032	EQNEDT32.EXE

flow	ioc
8	api.ipify.org
9	api.ipify.org

description	pid	process	target process
PID 548 set thread context of 1636	548	kdot862684.scr	kdot862684.scr

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

pid	process
2032	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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	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
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
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
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 (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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1648 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

kdot862684.scr

pid process

1636 kdot862684.scr
1636 kdot862684.scr
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

kdot862684.scrkdot862684.scr

description pid process

Token: SeDebugPrivilege 548 kdot862684.scr
Token: SeDebugPrivilege 1636 kdot862684.scr
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

WINWORD.EXEkdot862684.scr

pid process

1648 WINWORD.EXE
1648 WINWORD.EXE
1636 kdot862684.scr

pid	process
1648	WINWORD.EXE

pid	process
1636	kdot862684.scr
1636	kdot862684.scr

description	pid	process
Token: SeDebugPrivilege	548	kdot862684.scr
Token: SeDebugPrivilege	1636	kdot862684.scr

pid	process
1648	WINWORD.EXE
1648	WINWORD.EXE
1636	kdot862684.scr

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

EQNEDT32.EXEkdot862684.scr

description	pid	process	target process
PID 2032 wrote to memory of 548	2032	EQNEDT32.EXE	kdot862684.scr
PID 2032 wrote to memory of 548	2032	EQNEDT32.EXE	kdot862684.scr
PID 2032 wrote to memory of 548	2032	EQNEDT32.EXE	kdot862684.scr
PID 2032 wrote to memory of 548	2032	EQNEDT32.EXE	kdot862684.scr
PID 548 wrote to memory of 1636	548	kdot862684.scr	kdot862684.scr
PID 548 wrote to memory of 1636	548	kdot862684.scr	kdot862684.scr
PID 548 wrote to memory of 1636	548	kdot862684.scr	kdot862684.scr
PID 548 wrote to memory of 1636	548	kdot862684.scr	kdot862684.scr
PID 548 wrote to memory of 1636	548	kdot862684.scr	kdot862684.scr
PID 548 wrote to memory of 1636	548	kdot862684.scr	kdot862684.scr
PID 548 wrote to memory of 1636	548	kdot862684.scr	kdot862684.scr
PID 548 wrote to memory of 1636	548	kdot862684.scr	kdot862684.scr
PID 548 wrote to memory of 1636	548	kdot862684.scr	kdot862684.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\Shipping Documents.doc"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1648

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:2032

C:\Users\Admin\AppData\Roaming\kdot862684.scr
"C:\Users\Admin\AppData\Roaming\kdot862684.scr"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:548

C:\Users\Admin\AppData\Roaming\kdot862684.scr
"C:\Users\Admin\AppData\Roaming\kdot862684.scr"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1636

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\kdot862684.scr
MD5
eced82df76526559ab854833f213a8c5

SHA1
3b951e79e92142655bde4b98d5e8e5b0b5ccf2a6

SHA256
54086875834b1244c63b639f4c7225d611a5f48bd564fdb50ea3e5eb5dde2041

SHA512
0a1ca95673b55ca3d3f7fe492b5bc06c78498a735bfe764485d170a93068615cae203d51dd6a9ffeb4e972a0788a3e28e4d03125682255452da87793faa6a923

Download Submit
C:\Users\Admin\AppData\Roaming\kdot862684.scr
MD5
eced82df76526559ab854833f213a8c5

SHA1
3b951e79e92142655bde4b98d5e8e5b0b5ccf2a6

SHA256
54086875834b1244c63b639f4c7225d611a5f48bd564fdb50ea3e5eb5dde2041

SHA512
0a1ca95673b55ca3d3f7fe492b5bc06c78498a735bfe764485d170a93068615cae203d51dd6a9ffeb4e972a0788a3e28e4d03125682255452da87793faa6a923

Download Submit
C:\Users\Admin\AppData\Roaming\kdot862684.scr
MD5
eced82df76526559ab854833f213a8c5

SHA1
3b951e79e92142655bde4b98d5e8e5b0b5ccf2a6

SHA256
54086875834b1244c63b639f4c7225d611a5f48bd564fdb50ea3e5eb5dde2041

SHA512
0a1ca95673b55ca3d3f7fe492b5bc06c78498a735bfe764485d170a93068615cae203d51dd6a9ffeb4e972a0788a3e28e4d03125682255452da87793faa6a923

Download Submit
\Users\Admin\AppData\Roaming\kdot862684.scr
MD5
eced82df76526559ab854833f213a8c5

SHA1
3b951e79e92142655bde4b98d5e8e5b0b5ccf2a6

SHA256
54086875834b1244c63b639f4c7225d611a5f48bd564fdb50ea3e5eb5dde2041

SHA512
0a1ca95673b55ca3d3f7fe492b5bc06c78498a735bfe764485d170a93068615cae203d51dd6a9ffeb4e972a0788a3e28e4d03125682255452da87793faa6a923

Download Submit
\Users\Admin\AppData\Roaming\kdot862684.scr
MD5
eced82df76526559ab854833f213a8c5

SHA1
3b951e79e92142655bde4b98d5e8e5b0b5ccf2a6

SHA256
54086875834b1244c63b639f4c7225d611a5f48bd564fdb50ea3e5eb5dde2041

SHA512
0a1ca95673b55ca3d3f7fe492b5bc06c78498a735bfe764485d170a93068615cae203d51dd6a9ffeb4e972a0788a3e28e4d03125682255452da87793faa6a923

Download Submit
memory/548-12-0x000000006AE70000-0x000000006B55E000-memory.dmp

Filesize
6.9MB

Download
memory/548-13-0x0000000000E10000-0x0000000000E11000-memory.dmp

Filesize
4KB

Download
memory/548-9-0x0000000000000000-mapping.dmp

Download
memory/548-16-0x00000000006E0000-0x000000000071F000-memory.dmp

Filesize
252KB

Download
memory/548-15-0x00000000007A0000-0x00000000007A1000-memory.dmp

Filesize
4KB

Download
memory/1636-18-0x000000000043769E-mapping.dmp

Download
memory/1636-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1636-20-0x000000006AE70000-0x000000006B55E000-memory.dmp

Filesize
6.9MB

Download
memory/1636-21-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1636-23-0x0000000004A30000-0x0000000004A31000-memory.dmp

Filesize
4KB

Download
memory/1636-24-0x0000000004A31000-0x0000000004A32000-memory.dmp

Filesize
4KB

Download
memory/1648-2-0x0000000072301000-0x0000000072304000-memory.dmp

Filesize
12KB

Download
memory/1648-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1648-3-0x000000006FD81000-0x000000006FD83000-memory.dmp

Filesize
8KB

Download
memory/1800-6-0x000007FEF7080000-0x000007FEF72FA000-memory.dmp

Filesize
2.5MB

Download
memory/2032-5-0x0000000074B31000-0x0000000074B33000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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