masslogger | 857f9ec55794e1c43321c0054bb3a6cee591fb04a07a62fbdfce2cc20e508a7a

General

Target

Halkbank_Ekstre_20210112_162325_384771.exe
Size

1.3MB
MD5

112bc18db2a6c3c49ddcac7678abfad7
SHA1

5338fba62d03bf2c6979c3def6f622b60377533d
SHA256

857f9ec55794e1c43321c0054bb3a6cee591fb04a07a62fbdfce2cc20e508a7a
SHA512

578ae6a7ef9aaae4c7f2174c7a9288b800a80340182a032ac1f9e71d983509c1af2cac2b835b9eb58335f8a83ec6319d8f0efc94741676f453e5039d6e47a674

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 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1288-12-0x0000000000400000-0x000000000049E000-memory.dmp	family_masslogger
behavioral2/memory/1288-13-0x000000000049862E-mapping.dmp	family_masslogger

Suspicious use of SetThreadContext 1 IoCs

Processes:

Halkbank_Ekstre_20210112_162325_384771.exe

description	pid	process	target process
PID 3988 set thread context of 1288	3988	Halkbank_Ekstre_20210112_162325_384771.exe	Halkbank_Ekstre_20210112_162325_384771.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1004 1288 WerFault.exe Halkbank_Ekstre_20210112_162325_384771.exe

pid	pid_target	process	target process
1004	1288	WerFault.exe	Halkbank_Ekstre_20210112_162325_384771.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

Halkbank_Ekstre_20210112_162325_384771.exeWerFault.exe

pid	process
3988	Halkbank_Ekstre_20210112_162325_384771.exe
1004	WerFault.exe
1004	WerFault.exe
1004	WerFault.exe
1004	WerFault.exe
1004	WerFault.exe
1004	WerFault.exe
1004	WerFault.exe
1004	WerFault.exe
1004	WerFault.exe
1004	WerFault.exe
1004	WerFault.exe
1004	WerFault.exe
1004	WerFault.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

Halkbank_Ekstre_20210112_162325_384771.exeWerFault.exe

description	pid	process
Token: SeDebugPrivilege	3988	Halkbank_Ekstre_20210112_162325_384771.exe
Token: SeRestorePrivilege	1004	WerFault.exe
Token: SeBackupPrivilege	1004	WerFault.exe
Token: SeDebugPrivilege	1004	WerFault.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Halkbank_Ekstre_20210112_162325_384771.exe

description	pid	process	target process
PID 3988 wrote to memory of 1288	3988	Halkbank_Ekstre_20210112_162325_384771.exe	Halkbank_Ekstre_20210112_162325_384771.exe
PID 3988 wrote to memory of 1288	3988	Halkbank_Ekstre_20210112_162325_384771.exe	Halkbank_Ekstre_20210112_162325_384771.exe
PID 3988 wrote to memory of 1288	3988	Halkbank_Ekstre_20210112_162325_384771.exe	Halkbank_Ekstre_20210112_162325_384771.exe
PID 3988 wrote to memory of 1288	3988	Halkbank_Ekstre_20210112_162325_384771.exe	Halkbank_Ekstre_20210112_162325_384771.exe
PID 3988 wrote to memory of 1288	3988	Halkbank_Ekstre_20210112_162325_384771.exe	Halkbank_Ekstre_20210112_162325_384771.exe
PID 3988 wrote to memory of 1288	3988	Halkbank_Ekstre_20210112_162325_384771.exe	Halkbank_Ekstre_20210112_162325_384771.exe
PID 3988 wrote to memory of 1288	3988	Halkbank_Ekstre_20210112_162325_384771.exe	Halkbank_Ekstre_20210112_162325_384771.exe
PID 3988 wrote to memory of 1288	3988	Halkbank_Ekstre_20210112_162325_384771.exe	Halkbank_Ekstre_20210112_162325_384771.exe

C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20210112_162325_384771.exe
"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20210112_162325_384771.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3988

C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20210112_162325_384771.exe
"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20210112_162325_384771.exe"
2⤵
PID:1288

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1288 -s 948
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1004

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Halkbank_Ekstre_20210112_162325_384771.exe.log
MD5
90acfd72f14a512712b1a7380c0faf60

SHA1
40ba4accb8faa75887e84fb8e38d598dc8cf0f12

SHA256
20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

SHA512
29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

Download Submit
memory/1004-18-0x0000000004480000-0x0000000004481000-memory.dmp

Filesize
4KB

Download
memory/1288-12-0x0000000000400000-0x000000000049E000-memory.dmp

Filesize
632KB

Download
memory/1288-15-0x00000000738E0000-0x0000000073FCE000-memory.dmp

Filesize
6.9MB

Download
memory/1288-13-0x000000000049862E-mapping.dmp

Download
memory/3988-6-0x0000000005890000-0x0000000005891000-memory.dmp

Filesize
4KB

Download
memory/3988-9-0x0000000005550000-0x0000000005551000-memory.dmp

Filesize
4KB

Download
memory/3988-10-0x0000000005280000-0x0000000005292000-memory.dmp

Filesize
72KB

Download
memory/3988-11-0x0000000006320000-0x00000000063F7000-memory.dmp

Filesize
860KB

Download
memory/3988-8-0x0000000005270000-0x0000000005271000-memory.dmp

Filesize
4KB

Download
memory/3988-7-0x0000000005390000-0x0000000005391000-memory.dmp

Filesize
4KB

Download
memory/3988-2-0x00000000738E0000-0x0000000073FCE000-memory.dmp

Filesize
6.9MB

Download
memory/3988-5-0x00000000052F0000-0x00000000052F1000-memory.dmp

Filesize
4KB

Download
memory/3988-3-0x0000000000900000-0x0000000000901000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads