metastealer | 77fb17512bdea82047a24a36b153ef5277e6be10c3dcd16e123468c9d7564176

Analysis

max time kernel
170s
max time network
177s
platform
windows10-2004_x64
resource
win10v2004-20220331-en
submitted
14-04-2022 12:38

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General

Target

77fb17512bdea82047a24a36b153ef5277e6be10c3dcd16e123468c9d7564176.exe
Size

777KB
MD5

47986a2c4680ebad4d32f106e97bb4e3
SHA1

27c34589a258cf119090c8f121cf85a545a262c3
SHA256

77fb17512bdea82047a24a36b153ef5277e6be10c3dcd16e123468c9d7564176
SHA512

f81f4f301389a881710f2ec07f5aa10bbdc4b216ed9fc7be8f0faf160c95665ce829a71efe51d32f4d7a30856bb1ac8263bbc75b9dba7d3df19e20edcf0ec855

Score

10^/10

metastealer stealer

Malware Config

Signatures

Meta Stealer Stealer
Meta Stealer steals passwords stored in browsers, written in C++.
stealer metastealer

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-1-5-21-1082102374-1487407228-1886994731-1000\Control Panel\International\Geo\Nation	77fb17512bdea82047a24a36b153ef5277e6be10c3dcd16e123468c9d7564176.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2232	77fb17512bdea82047a24a36b153ef5277e6be10c3dcd16e123468c9d7564176.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2232	77fb17512bdea82047a24a36b153ef5277e6be10c3dcd16e123468c9d7564176.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 3840	2232	77fb17512bdea82047a24a36b153ef5277e6be10c3dcd16e123468c9d7564176.exe	92
PID 2232 wrote to memory of 3840	2232	77fb17512bdea82047a24a36b153ef5277e6be10c3dcd16e123468c9d7564176.exe	92
PID 2232 wrote to memory of 3840	2232	77fb17512bdea82047a24a36b153ef5277e6be10c3dcd16e123468c9d7564176.exe	92

C:\Users\Admin\AppData\Local\Temp\77fb17512bdea82047a24a36b153ef5277e6be10c3dcd16e123468c9d7564176.exe
"C:\Users\Admin\AppData\Local\Temp\77fb17512bdea82047a24a36b153ef5277e6be10c3dcd16e123468c9d7564176.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\77fb17512bdea82047a24a36b153ef5277e6be10c3dcd16e123468c9d7564176.exe" "C:\Users\Admin\AppData\Roaming\system\images.exe"
  2⤵
  PID:3840

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2232-124-0x0000000000B90000-0x0000000000C56000-memory.dmp

Filesize
792KB

Download
memory/2232-125-0x0000000005690000-0x000000000572C000-memory.dmp

Filesize
624KB

Download
memory/2232-126-0x00000000083B0000-0x0000000008954000-memory.dmp

Filesize
5.6MB

Download
memory/2232-127-0x0000000007F00000-0x0000000007F92000-memory.dmp

Filesize
584KB

Download
memory/2232-128-0x00000000082E0000-0x0000000008346000-memory.dmp

Filesize
408KB

Download
memory/2232-129-0x0000000009530000-0x00000000096F2000-memory.dmp

Filesize
1.8MB

Download
memory/2232-130-0x0000000009C30000-0x000000000A15C000-memory.dmp

Filesize
5.2MB

Download
memory/2232-131-0x0000000009360000-0x0000000009382000-memory.dmp

Filesize
136KB

Download