44caliber | ca5820bbbcbefd08f5ec820b833b23f7f97556a247da39510a70cbe7b809e3a9

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
21-06-2024 12:36

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General

Target

Insidious.exe
Size

303KB
MD5

7d9282b8529bbb4ac06a3994fbcd0622
SHA1

d38d467c5e533f3bc247b6ed245fb08412a479d7
SHA256

ca5820bbbcbefd08f5ec820b833b23f7f97556a247da39510a70cbe7b809e3a9
SHA512

aec2d63548176dc1a8ad3d2dfce0bc41973230c6898c55171dec7fc2919b84a8061d4308449c9551cc40ac7c08ad773fd6a7818bbd748ede9be64acc11dcfca5
SSDEEP

6144:jNFT6MDdbICydeBpxUKCa269TwHfg6vmA1D0uAt:jNzIKCa2yTnM1Dmt

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1253689379948593173/lzPh5dDD7ETWYLRPMt2M_Ml82yS42YxolYTwBWldi4NXuLOvpMPhz7AlFtFln1RxcqaC

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

Processes:

Insidious.exe

pid	Process
2888	Insidious.exe
2888	Insidious.exe
2888	Insidious.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Insidious.exe

description	pid	Process
Token: SeDebugPrivilege	2888	Insidious.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

Insidious.exe

description	pid	Process	procid_target
PID 2888 wrote to memory of 2792	2888	Insidious.exe	28
PID 2888 wrote to memory of 2792	2888	Insidious.exe	28
PID 2888 wrote to memory of 2792	2888	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:2888
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2888 -s 1180
  2⤵
  PID:2792

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/2888-0-0x000007FEF5533000-0x000007FEF5534000-memory.dmp

Filesize
4KB

Download
memory/2888-1-0x0000000001190000-0x00000000011E2000-memory.dmp

Filesize
328KB

Download
memory/2888-21-0x000007FEF5530000-0x000007FEF5F1C000-memory.dmp

Filesize
9.9MB

Download
memory/2888-22-0x000007FEF5533000-0x000007FEF5534000-memory.dmp

Filesize
4KB

Download
memory/2888-23-0x000007FEF5530000-0x000007FEF5F1C000-memory.dmp

Filesize
9.9MB

Download