masslogger | cc30fad97d4048736e9df62d28161ff7a9303827819593b28f0f8498987d6edf

General

Target
cc30fad97d4048736e9df62d28161ff7a9303827819593b28f0f8498987d6edf.exe
Size 1.1MB
Sample220326-19cskaeddl
SHA256 cc30fad97d4048736e9df62d28161ff7a9303827819593b28f0f8498987d6edf
MD5 458a8ea2a0a05663720ffff95d8acd35
SHA1 5258733ad6b1591b0a03c12d31eaf8c3b730cae7
SHA512 0be989c1293ba97c4cfcc126c11127b6577f62688a640c9eec10f2425123c2ba0a780d67279970a2504c3bf46fe145138ef13656b25fcc04a298688651f81691
MD5 SHA1 SHA512

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

resource	yara_rule
behavioral2/memory/1972-133-0x0000000000400000-0x000000000048C000-memory.dmp	family_masslogger

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-157025953-3125636059-437143553-1000\Control Panel\International\Geo\Nation	cc30fad97d4048736e9df62d28161ff7a9303827819593b28f0f8498987d6edf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1804 set thread context of 1972	1804	cc30fad97d4048736e9df62d28161ff7a9303827819593b28f0f8498987d6edf.exe	77

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3172	1972	WerFault.exe	77

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

pid	Process
4788	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1804	cc30fad97d4048736e9df62d28161ff7a9303827819593b28f0f8498987d6edf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1804	cc30fad97d4048736e9df62d28161ff7a9303827819593b28f0f8498987d6edf.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1804 wrote to memory of 4788	1804	cc30fad97d4048736e9df62d28161ff7a9303827819593b28f0f8498987d6edf.exe	76
PID 1804 wrote to memory of 4788	1804	cc30fad97d4048736e9df62d28161ff7a9303827819593b28f0f8498987d6edf.exe	76
PID 1804 wrote to memory of 4788	1804	cc30fad97d4048736e9df62d28161ff7a9303827819593b28f0f8498987d6edf.exe	76
PID 1804 wrote to memory of 1972	1804	cc30fad97d4048736e9df62d28161ff7a9303827819593b28f0f8498987d6edf.exe	77
PID 1804 wrote to memory of 1972	1804	cc30fad97d4048736e9df62d28161ff7a9303827819593b28f0f8498987d6edf.exe	77
PID 1804 wrote to memory of 1972	1804	cc30fad97d4048736e9df62d28161ff7a9303827819593b28f0f8498987d6edf.exe	77
PID 1804 wrote to memory of 1972	1804	cc30fad97d4048736e9df62d28161ff7a9303827819593b28f0f8498987d6edf.exe	77
PID 1804 wrote to memory of 1972	1804	cc30fad97d4048736e9df62d28161ff7a9303827819593b28f0f8498987d6edf.exe	77
PID 1804 wrote to memory of 1972	1804	cc30fad97d4048736e9df62d28161ff7a9303827819593b28f0f8498987d6edf.exe	77
PID 1804 wrote to memory of 1972	1804	cc30fad97d4048736e9df62d28161ff7a9303827819593b28f0f8498987d6edf.exe	77
PID 1804 wrote to memory of 1972	1804	cc30fad97d4048736e9df62d28161ff7a9303827819593b28f0f8498987d6edf.exe	77

C:\Users\Admin\AppData\Local\Temp\cc30fad97d4048736e9df62d28161ff7a9303827819593b28f0f8498987d6edf.exe
"C:\Users\Admin\AppData\Local\Temp\cc30fad97d4048736e9df62d28161ff7a9303827819593b28f0f8498987d6edf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1804
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\erSqxhZb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAEE8.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4788
- C:\Users\Admin\AppData\Local\Temp\cc30fad97d4048736e9df62d28161ff7a9303827819593b28f0f8498987d6edf.exe
  "C:\Users\Admin\AppData\Local\Temp\cc30fad97d4048736e9df62d28161ff7a9303827819593b28f0f8498987d6edf.exe"
  2⤵
  PID:1972
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 904
    3⤵
    - Program crash
    PID:3172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1972 -ip 1972
1⤵
PID:4052

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

cc30fad97d4048736e9df62d28161ff7a9303827819593b28f0f8498987d6edf.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\cc30fad97d4048736e9df62d28161ff7a9303827819593b28f0f8498987d6edf.exe.log
Size 1KB
SHA256 c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553
MD5 17573558c4e714f606f997e5157afaac
SHA1 13e16e9415ceef429aaf124139671ebeca09ed23
SHA512 f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc
MD5 SHA1 SHA512

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tmpAEE8.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpAEE8.tmp
Size 1KB
SHA256 dba473aa6d96bc5911697574b262f50cecf573e132391b759327819c94f49415
MD5 a4a57e62b28bbededa99ef140b692f85
SHA1 22dd301f4dd30d61cdaa8b7760d10e0dd09276a0
SHA512 e19e6a989b7f526c286b8dc16e0625c40823ea21e1430097963459eb61c1fdc1abbd85320d3a34d89b777f838cc3ea1d9f9de12a3535136762c94b24e5f8f034
MD5 SHA1 SHA512

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memory/1804-124-0x0000000000620000-0x0000000000744000-memory.dmp

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memory/1804-125-0x00000000050E0000-0x000000000517C000-memory.dmp

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memory/1804-126-0x0000000005730000-0x0000000005CD4000-memory.dmp

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memory/1804-127-0x0000000005220000-0x00000000052B2000-memory.dmp

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memory/1804-128-0x0000000005190000-0x000000000519A000-memory.dmp

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memory/1804-129-0x0000000005450000-0x00000000054A6000-memory.dmp

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memory/1972-133-0x0000000000400000-0x000000000048C000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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