44caliber | 3bf062d997913c12bcee479623af730d98be59993a704abbddffed5e7fa604d5

Analysis

max time kernel
127s
max time network
168s
platform
windows10-2004_x64
resource
win10v2004-20231127-en
resource tags

arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
submitted
01-12-2023 16:17

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General

Target

deadsense.exe
Size

274KB
MD5

3052e30d962a23b4e3766f025b8d6c21
SHA1

97bec7796489888ad6aacdc5f3281f88c0287cf1
SHA256

a35b29189e4ea69890b73e5c64a26a3badc61b9e2084ddfa1a959bc6241ff1dd
SHA512

cf9a993eeba2440a6bacedff874a3b84e7112e6f11dfebc4d591380b462bdb1a247099290c5fa448d0431daa7ec55080db6d23219da1c10ca2a168ade5e4b680
SSDEEP

6144:Zf+BLtABPDWlR1ZroWT0Ilb5wqlYeJClA1D0Ne9:4luK0Ilb5/lYe11Dx9

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1106246820465754193/PhLXU_8QVd9PKEsWp1wYfiuAgulXvdo3vNtxDX_F2rZvdBoVeobiSd4lhoRwXHxlyOwF

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
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

19 freegeoip.app
20 freegeoip.app

flow	ioc
19	freegeoip.app
20	freegeoip.app

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

deadsense.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	deadsense.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	deadsense.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

deadsense.exe

pid process

2452 deadsense.exe
2452 deadsense.exe
2452 deadsense.exe
2452 deadsense.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

deadsense.exe

description pid process

Token: SeDebugPrivilege 2452 deadsense.exe

pid	process
2452	deadsense.exe
2452	deadsense.exe
2452	deadsense.exe
2452	deadsense.exe

description	pid	process
Token: SeDebugPrivilege	2452	deadsense.exe

C:\Users\Admin\AppData\Local\Temp\deadsense.exe
"C:\Users\Admin\AppData\Local\Temp\deadsense.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2452

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\44\Process.txt
Filesize
1KB

MD5
52fe2cc3a51e09c7be347c3806a8156e

SHA1
0cd4577eaa16833457688d0684c48baef914c531

SHA256
29e1a2b154541b0ddac394fa1808d204fed35287e87ee18acc97d14086c2f3c7

SHA512
6ba6149ade28a5d09663570ec836c7255189a8ee5b9ea0ed0955cea22714f1f340f8f43a51e1d1f9d6389d84c2df67d442b12275892ce3277c1ee5afdc8c74c9

Download Submit
memory/2452-0-0x000001F75FDF0000-0x000001F75FE3A000-memory.dmp

Filesize
296KB

Download
memory/2452-29-0x00007FFA67D70000-0x00007FFA68831000-memory.dmp

Filesize
10.8MB

Download
memory/2452-30-0x000001F7619A0000-0x000001F7619B0000-memory.dmp

Filesize
64KB

Download
memory/2452-32-0x00007FFA67D70000-0x00007FFA68831000-memory.dmp

Filesize
10.8MB

Download
memory/2452-33-0x000001F77A5A0000-0x000001F77A749000-memory.dmp

Filesize
1.7MB

Download
memory/2452-34-0x000001F7619A0000-0x000001F7619B0000-memory.dmp

Filesize
64KB

Download
memory/2452-122-0x000001F77A5A0000-0x000001F77A749000-memory.dmp

Filesize
1.7MB

Download
memory/2452-130-0x000001F77A5A0000-0x000001F77A749000-memory.dmp

Filesize
1.7MB

Download
memory/2452-131-0x00007FFA67D70000-0x00007FFA68831000-memory.dmp

Filesize
10.8MB

Download