44caliber | 73572897111428c2c2d7a42f6574f652899614daed49f2595459f5934b175070

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
19-03-2024 20:56

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General

Target

d718569806fe1b65f1e72b3b87637ded.exe
Size

281KB
MD5

d718569806fe1b65f1e72b3b87637ded
SHA1

0ec5edb3bd1af1e1a1cfefcf89514a44040c1e31
SHA256

73572897111428c2c2d7a42f6574f652899614daed49f2595459f5934b175070
SHA512

61563c86312f4c29a30790e88f74edf8d0a8e2519ea0071ce2ec7edb4a94e6d03379c56c8c635e5a05eb1a502d4fd6add85132212a5b7b46964e6cdbf9382887
SSDEEP

3072:xdHMsG7wduBTa5NhUPrJcnqpsXV/02cQvUrx/bbgaOEOob46tYZIkSiJOGK3hI/e:bQwduBm5Nh3CQOxTbgaOEOobPYZTG

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/881934732508688396/6pOOd13n8prLOavmJLgINtRCm2-J0Y0r1y0DyEQI5pU0zoH0JVjM2CNBZ0kPytGFp5hw

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:

d718569806fe1b65f1e72b3b87637ded.exe

pid process

2356 d718569806fe1b65f1e72b3b87637ded.exe
2356 d718569806fe1b65f1e72b3b87637ded.exe
2356 d718569806fe1b65f1e72b3b87637ded.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

d718569806fe1b65f1e72b3b87637ded.exe

description pid process

Token: SeDebugPrivilege 2356 d718569806fe1b65f1e72b3b87637ded.exe

pid	process
2356	d718569806fe1b65f1e72b3b87637ded.exe
2356	d718569806fe1b65f1e72b3b87637ded.exe
2356	d718569806fe1b65f1e72b3b87637ded.exe

description	pid	process
Token: SeDebugPrivilege	2356	d718569806fe1b65f1e72b3b87637ded.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

d718569806fe1b65f1e72b3b87637ded.exe

description	pid	process	target process
PID 2356 wrote to memory of 2840	2356	d718569806fe1b65f1e72b3b87637ded.exe	WerFault.exe
PID 2356 wrote to memory of 2840	2356	d718569806fe1b65f1e72b3b87637ded.exe	WerFault.exe
PID 2356 wrote to memory of 2840	2356	d718569806fe1b65f1e72b3b87637ded.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\d718569806fe1b65f1e72b3b87637ded.exe
"C:\Users\Admin\AppData\Local\Temp\d718569806fe1b65f1e72b3b87637ded.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2356

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2356 -s 816
2⤵
PID:2840

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/2356-0-0x0000000000AC0000-0x0000000000B0C000-memory.dmp

Filesize
304KB

Download
memory/2356-1-0x000007FEF5CB0000-0x000007FEF669C000-memory.dmp

Filesize
9.9MB

Download
memory/2356-2-0x000000001AAC0000-0x000000001AB40000-memory.dmp

Filesize
512KB

Download
memory/2356-20-0x000007FEF5CB0000-0x000007FEF669C000-memory.dmp

Filesize
9.9MB

Download
memory/2356-21-0x000000001AAC0000-0x000000001AB40000-memory.dmp

Filesize
512KB

Download