44caliber | 790019291f03e723bd5b061142c7511938bacaeb782875a5ddfc91cd9c2ee179

Analysis

max time kernel
156s
max time network
132s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
28/12/2023, 21:13

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General

Target

f883df7955bc91ac717fafbfbfb071e4.exe
Size

1.2MB
MD5

f883df7955bc91ac717fafbfbfb071e4
SHA1

c2740074ba90763054db4032925d0828060d6b5e
SHA256

790019291f03e723bd5b061142c7511938bacaeb782875a5ddfc91cd9c2ee179
SHA512

0caecb5f6ac085e385e7617d4dd1a329819617aa05809c6168f387bf08a1830ea0ad5ea299bedffcb9b4282b3df1e466a7fe4f8a38afff80abd63aea0e8bc71d
SSDEEP

24576:Sp6QlVvkMxKht99iIp/puHMWZnaXnxN99uKq5tAVZnY0rUvVDDaE:U6cBkM0riWpuHM2aXxnIBPU8h

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discordapp.com/api/webhooks/869534850812637194/fQ9SG1wbGT8eouo6vEUs5wADugNDHDhRWKq5RBk6gLjlDi9xEUaR3leD9AhGscQ-u377

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 use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2480	f883df7955bc91ac717fafbfbfb071e4.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2760	2480	WerFault.exe	15

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2480	f883df7955bc91ac717fafbfbfb071e4.exe
2480	f883df7955bc91ac717fafbfbfb071e4.exe
2480	f883df7955bc91ac717fafbfbfb071e4.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2480	f883df7955bc91ac717fafbfbfb071e4.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2480	f883df7955bc91ac717fafbfbfb071e4.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2480 wrote to memory of 2760	2480	f883df7955bc91ac717fafbfbfb071e4.exe	28
PID 2480 wrote to memory of 2760	2480	f883df7955bc91ac717fafbfbfb071e4.exe	28
PID 2480 wrote to memory of 2760	2480	f883df7955bc91ac717fafbfbfb071e4.exe	28
PID 2480 wrote to memory of 2760	2480	f883df7955bc91ac717fafbfbfb071e4.exe	28

C:\Users\Admin\AppData\Local\Temp\f883df7955bc91ac717fafbfbfb071e4.exe
"C:\Users\Admin\AppData\Local\Temp\f883df7955bc91ac717fafbfbfb071e4.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2480
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2480 -s 892
  2⤵
  - Program crash
  PID:2760

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/2480-0-0x0000000000E60000-0x000000000121A000-memory.dmp

Filesize
3.7MB

Download
memory/2480-1-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/2480-2-0x0000000000E60000-0x000000000121A000-memory.dmp

Filesize
3.7MB

Download
memory/2480-3-0x0000000005390000-0x00000000053D0000-memory.dmp

Filesize
256KB

Download
memory/2480-27-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/2480-28-0x0000000005390000-0x00000000053D0000-memory.dmp

Filesize
256KB

Download