44caliber | 0408e2c545d837ff2eb08d92b94f80b6dd11d00b21788bc485c552ee3a2fa1ba

Analysis

max time kernel
43s
max time network
47s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
31-01-2023 09:09

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General

Target

c6094b00a087a57a40c1256a67cebc25.exe
Size

293KB
MD5

c6094b00a087a57a40c1256a67cebc25
SHA1

29b100dbc5bc482949e483ebf5969646e417cb17
SHA256

0408e2c545d837ff2eb08d92b94f80b6dd11d00b21788bc485c552ee3a2fa1ba
SHA512

d9eba8f24dd310690c7145226fab7beab26d197f5b8278ee904cedf5f70f5a11603ab9ba93dcd817c8ecc3ff7fd0a1846982ed230a90a458dbbfe67dc372041e
SSDEEP

3072:UNgIOuOIStjInreY8gHMPceeZdTXD4x37OrhYSCIujV8ZmQVDQ1Lh6cl1Lxatuwj:+OuOISqeYnQcpnyOrhYSxuj7F1hxUlF

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1061674520219504781/FE_dV3NzPURAAeRPaaDnLLWfH18ZKFYYq7S0uNsh3rCSOJfn1Q5hlEa183bK1AzyFEKL

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
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
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

3 freegeoip.app
4 freegeoip.app

flow	ioc
3	freegeoip.app
4	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:

c6094b00a087a57a40c1256a67cebc25.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	c6094b00a087a57a40c1256a67cebc25.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	c6094b00a087a57a40c1256a67cebc25.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

c6094b00a087a57a40c1256a67cebc25.exe

pid	process
1284	c6094b00a087a57a40c1256a67cebc25.exe
1284	c6094b00a087a57a40c1256a67cebc25.exe
1284	c6094b00a087a57a40c1256a67cebc25.exe
1284	c6094b00a087a57a40c1256a67cebc25.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

c6094b00a087a57a40c1256a67cebc25.exe

description pid process

Token: SeDebugPrivilege 1284 c6094b00a087a57a40c1256a67cebc25.exe

description	pid	process
Token: SeDebugPrivilege	1284	c6094b00a087a57a40c1256a67cebc25.exe

C:\Users\Admin\AppData\Local\Temp\c6094b00a087a57a40c1256a67cebc25.exe
"C:\Users\Admin\AppData\Local\Temp\c6094b00a087a57a40c1256a67cebc25.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1284

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1284-54-0x0000000000DA0000-0x0000000000DF0000-memory.dmp

Filesize
320KB

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