44caliber | e6c6b76459d51d9751fa0182b3f0694eb08b1f5bb4c157cb75539ef5c961ffb1

Analysis

max time kernel
14s
max time network
18s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21-02-2024 17:35

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General

Target

Insidious.exe
Size

303KB
MD5

221c6b9aa86f1d4cee7cbe632988bf16
SHA1

2ddc6f8c92e3dc7a86a6b2272ef0d0201b2d03dc
SHA256

e6c6b76459d51d9751fa0182b3f0694eb08b1f5bb4c157cb75539ef5c961ffb1
SHA512

b4b0bc4402c10deeee79c49d3c9df1ddfdd005b00e1ec88b5ceae5d584f7544f12780a5b29d390371c2f725d3f88dcce9152e1390553f81cea0d78f7c3847a66
SSDEEP

6144:q96T6MDdbICydeBsyxi+949u9EIpvur8mI1D0J1P:q9gDxi+eEEhq1DyP

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1202366571322806313/CuWLCBlIcOwf4tZ5FEYUvIyU9xl3Wseqgg-gJqdPKSwKm0EZWHxKo1tLi3sdhgSMNxR9

Signatures

44Caliber
An open source infostealer written in C#.
stealer 44caliber
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2152	Insidious.exe
2152	Insidious.exe
2152	Insidious.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2152	Insidious.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2152 wrote to memory of 2556	2152	Insidious.exe	28
PID 2152 wrote to memory of 2556	2152	Insidious.exe	28
PID 2152 wrote to memory of 2556	2152	Insidious.exe	28

C:\Users\Admin\AppData\Local\Temp\Insidious.exe
"C:\Users\Admin\AppData\Local\Temp\Insidious.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2152
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2152 -s 896
  2⤵
  PID:2556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2152-0-0x00000000001B0000-0x0000000000202000-memory.dmp

Filesize
328KB

Download
memory/2152-1-0x000007FEF5B00000-0x000007FEF64EC000-memory.dmp

Filesize
9.9MB

Download
memory/2152-2-0x000000001A6D0000-0x000000001A750000-memory.dmp

Filesize
512KB

Download
memory/2152-21-0x000007FEF5B00000-0x000007FEF64EC000-memory.dmp

Filesize
9.9MB

Download