masslogger | a184462faa2f3a2a82439e7902fb5d47f4a6a784cff86931fb69ece85ad5d5e0

General

Target

Quote.doc
Size

323KB
MD5

b7ce7ad9f6a6a4d898f9851e92e7dd9c
SHA1

a7cefdad7e19a306662ee6c00e058ebe43b9fcf9
SHA256

a184462faa2f3a2a82439e7902fb5d47f4a6a784cff86931fb69ece85ad5d5e0
SHA512

c266b17883891d194f002c28d81960922d8633cbb08094f590f92b2c6023248d0f6821d7b62655635e48c0629e3daaaa0b12cb79f202b376868fbf21e068dc47

Score

10^/10

masslogger spyware stealer

Malware Config

Signatures

MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
stealer spyware masslogger

MassLogger Main Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1212-14-0x000000000048162E-mapping.dmp	family_masslogger
behavioral1/memory/1212-13-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1212-16-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1212-17-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

3 1476 EQNEDT32.EXE
Executes dropped EXE 2 IoCs

Processes:

ATR.exeATR.exe

pid process

1716 ATR.exe
1212 ATR.exe
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

ATR.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Control Panel\International\Geo\Nation ATR.exe
Loads dropped DLL 2 IoCs

Processes:

EQNEDT32.EXE

pid process

1476 EQNEDT32.EXE
1476 EQNEDT32.EXE
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 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

11 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

ATR.exe

description pid process target process

PID 1716 set thread context of 1212 1716 ATR.exe ATR.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
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1540 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

1476 EQNEDT32.EXE

flow	pid	process
3	1476	EQNEDT32.EXE

pid	process
1716	ATR.exe
1212	ATR.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Control Panel\International\Geo\Nation	ATR.exe

pid	process
1476	EQNEDT32.EXE
1476	EQNEDT32.EXE

flow	ioc
11	api.ipify.org

description	pid	process	target process
PID 1716 set thread context of 1212	1716	ATR.exe	ATR.exe

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

pid	process
1540	timeout.exe

pid	process
1476	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\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
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
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\MenuExt	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 (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

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXEATR.exe

pid process

1876 WINWORD.EXE
1212 ATR.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

ATR.exe

pid process

1212 ATR.exe
1212 ATR.exe
1212 ATR.exe
1212 ATR.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ATR.exeATR.exe

description pid process

Token: SeDebugPrivilege 1716 ATR.exe
Token: SeDebugPrivilege 1212 ATR.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

WINWORD.EXEATR.exe

pid process

1876 WINWORD.EXE
1876 WINWORD.EXE
1212 ATR.exe

pid	process
1876	WINWORD.EXE
1212	ATR.exe

pid	process
1212	ATR.exe
1212	ATR.exe
1212	ATR.exe
1212	ATR.exe

description	pid	process
Token: SeDebugPrivilege	1716	ATR.exe
Token: SeDebugPrivilege	1212	ATR.exe

pid	process
1876	WINWORD.EXE
1876	WINWORD.EXE
1212	ATR.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

EQNEDT32.EXEATR.execmd.exe

description	pid	process	target process
PID 1476 wrote to memory of 1716	1476	EQNEDT32.EXE	ATR.exe
PID 1476 wrote to memory of 1716	1476	EQNEDT32.EXE	ATR.exe
PID 1476 wrote to memory of 1716	1476	EQNEDT32.EXE	ATR.exe
PID 1476 wrote to memory of 1716	1476	EQNEDT32.EXE	ATR.exe
PID 1716 wrote to memory of 816	1716	ATR.exe	cmd.exe
PID 1716 wrote to memory of 816	1716	ATR.exe	cmd.exe
PID 1716 wrote to memory of 816	1716	ATR.exe	cmd.exe
PID 1716 wrote to memory of 816	1716	ATR.exe	cmd.exe
PID 816 wrote to memory of 1540	816	cmd.exe	timeout.exe
PID 816 wrote to memory of 1540	816	cmd.exe	timeout.exe
PID 816 wrote to memory of 1540	816	cmd.exe	timeout.exe
PID 816 wrote to memory of 1540	816	cmd.exe	timeout.exe
PID 1716 wrote to memory of 1212	1716	ATR.exe	ATR.exe
PID 1716 wrote to memory of 1212	1716	ATR.exe	ATR.exe
PID 1716 wrote to memory of 1212	1716	ATR.exe	ATR.exe
PID 1716 wrote to memory of 1212	1716	ATR.exe	ATR.exe
PID 1716 wrote to memory of 1212	1716	ATR.exe	ATR.exe
PID 1716 wrote to memory of 1212	1716	ATR.exe	ATR.exe
PID 1716 wrote to memory of 1212	1716	ATR.exe	ATR.exe
PID 1716 wrote to memory of 1212	1716	ATR.exe	ATR.exe
PID 1716 wrote to memory of 1212	1716	ATR.exe	ATR.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\Quote.doc"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1876

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:1476

C:\Users\Admin\AppData\Roaming\ATR.exe
"C:\Users\Admin\AppData\Roaming\ATR.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1716

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout 4.15
3⤵
- Suspicious use of WriteProcessMemory
PID:816

C:\Windows\SysWOW64\timeout.exe
timeout 4.15
4⤵
- Delays execution with timeout.exe
PID:1540

C:\Users\Admin\AppData\Roaming\ATR.exe
"C:\Users\Admin\AppData\Roaming\ATR.exe"
3⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1212

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

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\ATR.exe
MD5
10878a47c843003ba5ded096572e0aea

SHA1
5b96ecdb5213e835bf68de80f296e4c9f3b9a80c

SHA256
062998d4a777d031127504c56bfdca3386b79112a5ac822d982fad844ea44ee1

SHA512
50fd47504fa91b3b94242ec8c4c5875aef9511aa5788624f17f8809c91a378cf7e5fa00dd7c058ed12d4b1f3e9bd89a206bce2d218fafdcbc9af800e30c4e148

Download Submit
C:\Users\Admin\AppData\Roaming\ATR.exe
MD5
10878a47c843003ba5ded096572e0aea

SHA1
5b96ecdb5213e835bf68de80f296e4c9f3b9a80c

SHA256
062998d4a777d031127504c56bfdca3386b79112a5ac822d982fad844ea44ee1

SHA512
50fd47504fa91b3b94242ec8c4c5875aef9511aa5788624f17f8809c91a378cf7e5fa00dd7c058ed12d4b1f3e9bd89a206bce2d218fafdcbc9af800e30c4e148

Download Submit
C:\Users\Admin\AppData\Roaming\ATR.exe
MD5
10878a47c843003ba5ded096572e0aea

SHA1
5b96ecdb5213e835bf68de80f296e4c9f3b9a80c

SHA256
062998d4a777d031127504c56bfdca3386b79112a5ac822d982fad844ea44ee1

SHA512
50fd47504fa91b3b94242ec8c4c5875aef9511aa5788624f17f8809c91a378cf7e5fa00dd7c058ed12d4b1f3e9bd89a206bce2d218fafdcbc9af800e30c4e148

Download Submit
\Users\Admin\AppData\Roaming\ATR.exe
MD5
10878a47c843003ba5ded096572e0aea

SHA1
5b96ecdb5213e835bf68de80f296e4c9f3b9a80c

SHA256
062998d4a777d031127504c56bfdca3386b79112a5ac822d982fad844ea44ee1

SHA512
50fd47504fa91b3b94242ec8c4c5875aef9511aa5788624f17f8809c91a378cf7e5fa00dd7c058ed12d4b1f3e9bd89a206bce2d218fafdcbc9af800e30c4e148

Download Submit
\Users\Admin\AppData\Roaming\ATR.exe
MD5
10878a47c843003ba5ded096572e0aea

SHA1
5b96ecdb5213e835bf68de80f296e4c9f3b9a80c

SHA256
062998d4a777d031127504c56bfdca3386b79112a5ac822d982fad844ea44ee1

SHA512
50fd47504fa91b3b94242ec8c4c5875aef9511aa5788624f17f8809c91a378cf7e5fa00dd7c058ed12d4b1f3e9bd89a206bce2d218fafdcbc9af800e30c4e148

Download Submit
memory/816-10-0x0000000000000000-mapping.dmp

Download
memory/1212-16-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1212-18-0x000000006A7F0000-0x000000006AEDE000-memory.dmp

Filesize
6.9MB

Download
memory/1212-17-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1212-14-0x000000000048162E-mapping.dmp

Download
memory/1212-13-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1540-11-0x0000000000000000-mapping.dmp

Download
memory/1716-12-0x00000000006B0000-0x0000000000737000-memory.dmp

Filesize
540KB

Download
memory/1716-4-0x0000000000000000-mapping.dmp

Download
memory/1716-8-0x0000000000BF0000-0x0000000000BF1000-memory.dmp

Filesize
4KB

Download
memory/1716-7-0x000000006B120000-0x000000006B80E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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