masslogger | 4aceb37332d3353fcfdc0fa6cdcf21ca3f675689d69ad84dd0e397f6ffa57cbd

Analysis

max time kernel
35s
max time network
34s
platform
windows7_x64
resource
win7v20201028
submitted
13-12-2020 11:39

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General

Target

hesap hareketleriniz.bin.exe
Size

92KB
MD5

ae6c2cee9ea5dd18f83d07a9b508b2ca
SHA1

efa48d08f08cfd59c2db9a5be430b7aefdd5973a
SHA256

4aceb37332d3353fcfdc0fa6cdcf21ca3f675689d69ad84dd0e397f6ffa57cbd
SHA512

f4279a56dc0f30d629fa4d086401d22b94b56bcd43ddb514a0d9b48572bd73f1568eaf08e67f4ae24d0626b716f33c710b0d8d6751dfd5ed2950a8b08891b4f0

Score

10^/10

masslogger persistence spyware stealer

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.porathacorp.com
Port:
587
Username:
devarajan@porathacorp.com
Password:
susila@22

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/1484-9-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1484-10-0x000000000048184E-mapping.dmp	family_masslogger
behavioral1/memory/1484-11-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger
behavioral1/memory/1484-12-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

hesap hareketleriniz.bin.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Local\\Temp\\hesap hareketleriniz.bin.exe\""	hesap hareketleriniz.bin.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:

hesap hareketleriniz.bin.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Control Panel\International\Geo\Nation	hesap hareketleriniz.bin.exe

Deletes itself 1 IoCs

Processes:

powershell.exe

pid process

1960 powershell.exe

pid	process
1960	powershell.exe

Drops startup file 2 IoCs

Processes:

hesap hareketleriniz.bin.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\hesap hareketleriniz.bin.exe	hesap hareketleriniz.bin.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\hesap hareketleriniz.bin.exe	hesap hareketleriniz.bin.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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

hesap hareketleriniz.bin.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\<Unknown> = "C:\\Users\\Admin\\AppData\\Local\\Temp\\hesap hareketleriniz.bin.exe"	hesap hareketleriniz.bin.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\hesap hareketleriniz.bin.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\hesap hareketleriniz.bin.exe"	hesap hareketleriniz.bin.exe

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

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

Processes:

hesap hareketleriniz.bin.exe

description pid process target process

PID 1740 set thread context of 1484 1740 hesap hareketleriniz.bin.exe hesap hareketleriniz.bin.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1832 timeout.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

hesap hareketleriniz.bin.exe

pid process

1484 hesap hareketleriniz.bin.exe

flow	ioc
8	api.ipify.org

description	pid	process	target process
PID 1740 set thread context of 1484	1740	hesap hareketleriniz.bin.exe	hesap hareketleriniz.bin.exe

pid	process
1832	timeout.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

hesap hareketleriniz.bin.exepowershell.exepowershell.exe

pid	process
1484	hesap hareketleriniz.bin.exe
1484	hesap hareketleriniz.bin.exe
1484	hesap hareketleriniz.bin.exe
1484	hesap hareketleriniz.bin.exe
820	powershell.exe
820	powershell.exe
1960	powershell.exe
1960	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

hesap hareketleriniz.bin.exehesap hareketleriniz.bin.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1740	hesap hareketleriniz.bin.exe
Token: SeDebugPrivilege	1484	hesap hareketleriniz.bin.exe
Token: SeDebugPrivilege	820	powershell.exe
Token: SeDebugPrivilege	1960	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

hesap hareketleriniz.bin.exe

pid process

1484 hesap hareketleriniz.bin.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

hesap hareketleriniz.bin.execmd.exehesap hareketleriniz.bin.exe

description	pid	process	target process
PID 1740 wrote to memory of 1964	1740	hesap hareketleriniz.bin.exe	cmd.exe
PID 1740 wrote to memory of 1964	1740	hesap hareketleriniz.bin.exe	cmd.exe
PID 1740 wrote to memory of 1964	1740	hesap hareketleriniz.bin.exe	cmd.exe
PID 1740 wrote to memory of 1964	1740	hesap hareketleriniz.bin.exe	cmd.exe
PID 1964 wrote to memory of 1832	1964	cmd.exe	timeout.exe
PID 1964 wrote to memory of 1832	1964	cmd.exe	timeout.exe
PID 1964 wrote to memory of 1832	1964	cmd.exe	timeout.exe
PID 1964 wrote to memory of 1832	1964	cmd.exe	timeout.exe
PID 1740 wrote to memory of 1484	1740	hesap hareketleriniz.bin.exe	hesap hareketleriniz.bin.exe
PID 1740 wrote to memory of 1484	1740	hesap hareketleriniz.bin.exe	hesap hareketleriniz.bin.exe
PID 1740 wrote to memory of 1484	1740	hesap hareketleriniz.bin.exe	hesap hareketleriniz.bin.exe
PID 1740 wrote to memory of 1484	1740	hesap hareketleriniz.bin.exe	hesap hareketleriniz.bin.exe
PID 1740 wrote to memory of 1484	1740	hesap hareketleriniz.bin.exe	hesap hareketleriniz.bin.exe
PID 1740 wrote to memory of 1484	1740	hesap hareketleriniz.bin.exe	hesap hareketleriniz.bin.exe
PID 1740 wrote to memory of 1484	1740	hesap hareketleriniz.bin.exe	hesap hareketleriniz.bin.exe
PID 1740 wrote to memory of 1484	1740	hesap hareketleriniz.bin.exe	hesap hareketleriniz.bin.exe
PID 1740 wrote to memory of 1484	1740	hesap hareketleriniz.bin.exe	hesap hareketleriniz.bin.exe
PID 1484 wrote to memory of 820	1484	hesap hareketleriniz.bin.exe	powershell.exe
PID 1484 wrote to memory of 820	1484	hesap hareketleriniz.bin.exe	powershell.exe
PID 1484 wrote to memory of 820	1484	hesap hareketleriniz.bin.exe	powershell.exe
PID 1484 wrote to memory of 820	1484	hesap hareketleriniz.bin.exe	powershell.exe
PID 1484 wrote to memory of 1960	1484	hesap hareketleriniz.bin.exe	powershell.exe
PID 1484 wrote to memory of 1960	1484	hesap hareketleriniz.bin.exe	powershell.exe
PID 1484 wrote to memory of 1960	1484	hesap hareketleriniz.bin.exe	powershell.exe
PID 1484 wrote to memory of 1960	1484	hesap hareketleriniz.bin.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\hesap hareketleriniz.bin.exe
"C:\Users\Admin\AppData\Local\Temp\hesap hareketleriniz.bin.exe"
1⤵
- Modifies WinLogon for persistence
- Drops startup file
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1740

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout 4.699
2⤵
- Suspicious use of WriteProcessMemory
PID:1964

C:\Windows\SysWOW64\timeout.exe
timeout 4.699
3⤵
- Delays execution with timeout.exe
PID:1832

C:\Users\Admin\AppData\Local\Temp\hesap hareketleriniz.bin.exe
"C:\Users\Admin\AppData\Local\Temp\hesap hareketleriniz.bin.exe"
2⤵
- Checks computer location settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1484

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\hesap hareketleriniz.bin.exe'
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:820

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"powershell" Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\hesap hareketleriniz.bin.exe'
3⤵
- Deletes itself
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1960

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

T1004

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_3bf4f350-86fe-486e-8b87-41ab96d0ad9c
MD5
b6d38f250ccc9003dd70efd3b778117f

SHA1
d5a17c02cac698d4f0a4a9b7d71db2aa19e3f18a

SHA256
4de9d7b5ccab7b67ca8efc83084c7ee6e5e872b7216ed4683bc5da950bf41265

SHA512
67d8195836b7f280d3f9219fd0f58276342e55d5dfdd8a4c54355030d96685d73f1b2b6da0eb39322ec7c3a1d1c5ef06b52d22646cea30a96f822de1800d31e9

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_4408bb97-19ee-4815-b02c-5a0939dddad8
MD5
df44874327d79bd75e4264cb8dc01811

SHA1
1396b06debed65ea93c24998d244edebd3c0209d

SHA256
55de642c5c9e436ec01c57004dae797022442c3245daf7162d19a5585f221181

SHA512
95dc9298b8db059bbe746f67e6a7f8515781c7053cc60c01532e47623a996be7e1bd23d1bd8f5f2045adff27454f44930d503c15b695690088841cedbd2a06c3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_644b5728-e9b5-45ab-9104-7136ec814422
MD5
be4d72095faf84233ac17b94744f7084

SHA1
cc78ce5b9c57573bd214a8f423ee622b00ebb1ec

SHA256
b0d72c5c22e57913476ac8fc686a4593f137c6667d5094522c0a0685dabd7adc

SHA512
43856e9b1032b8690ceea810c931bed3655e9190414bb220fb6afc136f31b8335e07604dffb28405d4006f266a54cff424c527d29924b1b732c9647a3252b097

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_6532a425-51ae-4577-837f-c6e09d9fcfcf
MD5
75a8da7754349b38d64c87c938545b1b

SHA1
5c28c257d51f1c1587e29164cc03ea880c21b417

SHA256
bf08151c174b5d00c9dbc7907b2c6a01b4be76bfa3afce1e8bd98a04ad833c96

SHA512
798797bc74c56c874e9a5fdcb0157c04e37a1b3cce285ef064b01bceef8cec45f11a5198918c6c647220b62883606b5e12e3cca3ea369f3a66e69dea6e15f643

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_69670b6c-d49a-42a9-993a-10d18807f7c6
MD5
5e3c7184a75d42dda1a83606a45001d8

SHA1
94ca15637721d88f30eb4b6220b805c5be0360ed

SHA256
8278033a65d1ff48be4d86e11f87930d187692f59f8bf2f0a9d170de285afb59

SHA512
fae99b6e9b106e0f1c30aa4082b25ae1ad643455c1295c2c16ad534e3e611b9b08492353ffe1af1cfdddc9b2b7c330747a64012c45e62b8f4a4982dcc214e05b

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_7f45a795-9723-4ae3-b7ea-79ea7f92b87a
MD5
a725bb9fafcf91f3c6b7861a2bde6db2

SHA1
8bb5b83f3cc37ff1e5ea4f02acae38e72364c114

SHA256
51651f27f54c7261887037aa1de4eff0a26c6807906dfc34a15cd5a0b58a8431

SHA512
1c4b21dd5660bfec8347257bb3da64681b0a97c427790d9ab3484f687dac032bcff0e07876635953697b00cf83e7d37f97c44e0219627fd0533f60ed3024b97e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_aacd219d-c7ba-43ff-a67c-9ddc2f632d63
MD5
597009ea0430a463753e0f5b1d1a249e

SHA1
4e38b8bb65ecbd5c9f0d3d8c47f7caba33de6c62

SHA256
3fd2a8217a845c43dbc0dc206c28be81d2687aa9ba62019d905aef10cfaec45d

SHA512
5d722fa908e64575b2497c60d142e182011a10c6ed33813b3b4796b3147ece1bc96938518b4c8911a1bac3b7560528ebe3e8e754c11015516d335df5d7c6871d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_e9f9468a-8cbd-4472-b808-e8b3772f4134
MD5
02ff38ac870de39782aeee04d7b48231

SHA1
0390d39fa216c9b0ecdb38238304e518fb2b5095

SHA256
fbd66a9baf753db31b8de23f2d51b67f8676687503653103080c45b16f1dc876

SHA512
24a1ff76ee42ff7a5ea42843928c4df07b06178f7781cd840e1e086e88735d81506eb67259ff1e6ce5aaa7c5baea03886da265eb7e025ff4dc4c4b5f8cd3e341

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
MD5
1e0ef1fa73f51a6cf2fdb9e59bec195c

SHA1
8a312d6665c73f6a29a6b51eafa2bf32a7cd2600

SHA256
27316b056c10ff4a53e9b4648ccc3dd9f2652825bb27a36d7097420485c4dc26

SHA512
50d307e313b6e966d08fdf9a4c451eeaac0e853c10defd40b55dd62a1ae824e2b2c907da040e3a026a0dead1a30445d81df58db28abf34f072cc924f5550e7d4

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
MD5
8a55cea336c1c8920bab66181d84d3ad

SHA1
07500955b95af7b4b31b5527abf47369d427a1b5

SHA256
c48cc59bde9a63adb37555215c36727b702a93bda97d754fd32595d83be2eda0

SHA512
f1891356ef1e12e4f65b8744790c266f8436d217dcdf054ec1d3fbc91a0d25395d7e06924ec48ef425d15ea9598866ecec371a82087c0b67f88acf6111261431

Download Submit
memory/820-16-0x0000000000000000-mapping.dmp

Download
memory/820-40-0x00000000061F0000-0x00000000061F1000-memory.dmp

Filesize
4KB

Download
memory/820-55-0x0000000006310000-0x0000000006311000-memory.dmp

Filesize
4KB

Download
memory/820-54-0x0000000006300000-0x0000000006301000-memory.dmp

Filesize
4KB

Download
memory/820-17-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/820-20-0x0000000000F60000-0x0000000000F61000-memory.dmp

Filesize
4KB

Download
memory/820-21-0x0000000004720000-0x0000000004721000-memory.dmp

Filesize
4KB

Download
memory/820-22-0x0000000004600000-0x0000000004601000-memory.dmp

Filesize
4KB

Download
memory/820-23-0x0000000005240000-0x0000000005241000-memory.dmp

Filesize
4KB

Download
memory/820-26-0x0000000005690000-0x0000000005691000-memory.dmp

Filesize
4KB

Download
memory/820-31-0x00000000056F0000-0x00000000056F1000-memory.dmp

Filesize
4KB

Download
memory/820-32-0x00000000060E0000-0x00000000060E1000-memory.dmp

Filesize
4KB

Download
memory/820-39-0x0000000006240000-0x0000000006241000-memory.dmp

Filesize
4KB

Download
memory/1484-13-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/1484-11-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1484-18-0x0000000004F50000-0x0000000004F89000-memory.dmp

Filesize
228KB

Download
memory/1484-19-0x0000000005C20000-0x0000000005CAD000-memory.dmp

Filesize
564KB

Download
memory/1484-9-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1484-10-0x000000000048184E-mapping.dmp

Download
memory/1484-12-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/1740-3-0x0000000000E80000-0x0000000000E81000-memory.dmp

Filesize
4KB

Download
memory/1740-2-0x00000000741A0000-0x000000007488E000-memory.dmp

Filesize
6.9MB

Download
memory/1740-6-0x0000000000940000-0x0000000000951000-memory.dmp

Filesize
68KB

Download
memory/1740-8-0x0000000005930000-0x00000000059CD000-memory.dmp

Filesize
628KB

Download
memory/1832-5-0x0000000000000000-mapping.dmp

Download
memory/1960-62-0x0000000005300000-0x0000000005301000-memory.dmp

Filesize
4KB

Download
memory/1960-61-0x00000000011C0000-0x00000000011C1000-memory.dmp

Filesize
4KB

Download
memory/1960-60-0x0000000004980000-0x0000000004981000-memory.dmp

Filesize
4KB

Download
memory/1960-59-0x0000000000ED0000-0x0000000000ED1000-memory.dmp

Filesize
4KB

Download
memory/1960-58-0x0000000073470000-0x0000000073B5E000-memory.dmp

Filesize
6.9MB

Download
memory/1960-56-0x0000000000000000-mapping.dmp

Download
memory/1960-72-0x0000000006200000-0x0000000006201000-memory.dmp

Filesize
4KB

Download
memory/1960-73-0x0000000006100000-0x0000000006101000-memory.dmp

Filesize
4KB

Download
memory/1964-4-0x0000000000000000-mapping.dmp

Download