masslogger | d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154

General

Target

d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe
Size

883KB
MD5

f423cccffd35959daa3002c39d844710
SHA1

9bbb9d44d28ce430f0ebc56f7fe999329e5bcd03
SHA256

d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154
SHA512

538337218d0081cc6bb269b985893ea75642263c13abb6b5ee02655931b3592a2833495b445debf19f4f6c4629a778b75ee8b2790aeab3f30845c63feb80d53d

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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5044-139-0x0000000000400000-0x0000000000486000-memory.dmp	family_masslogger

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exed81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.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

69 api.ipify.org

flow	ioc
69	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe

description	pid	process	target process
PID 4636 set thread context of 5044	4636	d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe	d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

4552 schtasks.exe

pid	process
4552	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exed81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe

pid	process
4636	d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe
4636	d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe
4636	d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe
4636	d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe
4636	d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe
4636	d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe
4636	d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe
5044	d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe
5044	d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exed81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe

description	pid	process
Token: SeDebugPrivilege	4636	d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe
Token: SeDebugPrivilege	5044	d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe

description	pid	process	target process
PID 4636 wrote to memory of 4552	4636	d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe	schtasks.exe
PID 4636 wrote to memory of 4552	4636	d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe	schtasks.exe
PID 4636 wrote to memory of 4552	4636	d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe	schtasks.exe
PID 4636 wrote to memory of 5044	4636	d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe	d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe
PID 4636 wrote to memory of 5044	4636	d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe	d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe
PID 4636 wrote to memory of 5044	4636	d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe	d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe
PID 4636 wrote to memory of 5044	4636	d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe	d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe
PID 4636 wrote to memory of 5044	4636	d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe	d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe
PID 4636 wrote to memory of 5044	4636	d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe	d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe
PID 4636 wrote to memory of 5044	4636	d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe	d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe
PID 4636 wrote to memory of 5044	4636	d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe	d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe

C:\Users\Admin\AppData\Local\Temp\d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe
"C:\Users\Admin\AppData\Local\Temp\d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4636

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vbeOlRC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7809.tmp"
2⤵
- Creates scheduled task(s)
PID:4552

C:\Users\Admin\AppData\Local\Temp\d81ea31e2c38a63dc3878fa6cb1098d6969775b70a4c64d6234c6bb4b1019154.exe
"{path}"
2⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5044

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp7809.tmp

Filesize
1KB

MD5
cea51f5ef0ef4654c862702097602912

SHA1
ebf97484b8051776dbd0d1eccc912e0355c8d78f

SHA256
bba199bc9705f567ba485c5f3aa65f9dc7e739f81abf198b9e2df387c7b95c82

SHA512
2a508dea667c1d014bef4c1e130d3a719e2fd26276914a5ec0d6556bea984c39e6013643a539e43af1bedf3019916a4965a3844f62fac79d24391d929f2d6fbd

Download Submit
memory/4552-136-0x0000000000000000-mapping.dmp

Download
memory/4636-130-0x0000000000120000-0x0000000000204000-memory.dmp

Filesize
912KB

Download
memory/4636-131-0x00000000052F0000-0x0000000005894000-memory.dmp

Filesize
5.6MB

Download
memory/4636-132-0x0000000004F60000-0x0000000004FF2000-memory.dmp

Filesize
584KB

Download
memory/4636-133-0x0000000005100000-0x000000000510A000-memory.dmp

Filesize
40KB

Download
memory/4636-134-0x0000000005140000-0x0000000005162000-memory.dmp

Filesize
136KB

Download
memory/4636-135-0x0000000007340000-0x00000000073DC000-memory.dmp

Filesize
624KB

Download
memory/5044-138-0x0000000000000000-mapping.dmp

Download
memory/5044-139-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/5044-140-0x00000000067A0000-0x0000000006806000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads