44caliber | 206b5291a89b6a58d48c26bfbc954e793eba213823a2b00d69abd589cc189f02

Analysis

max time kernel
239s
max time network
276s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26-12-2023 22:04

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General

Target

9197890c445e386627b5aecbdb522110.exe
Size

601KB
MD5

9197890c445e386627b5aecbdb522110
SHA1

5b3fcd7d1a7e2b1afef04e8d3983a14632c3260e
SHA256

206b5291a89b6a58d48c26bfbc954e793eba213823a2b00d69abd589cc189f02
SHA512

c78620ee44a67043f218af3bb2df6edecc8304a7d52a9ca933407d71bb6c858c7eb9eb9219488d1dde8414316dcf9a554e37a391765fb9b27b49726594bae132
SSDEEP

12288:x30MeC3c0J1e3IWxxukZFksJlT752pdfUjYSqI2yQfxLrHJT8EnEcouEfRG:x30MeCM+q8QFkiK7I2ZpLrH

Score

10^/10

44caliber spyware stealer

Malware Config

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.

flow	ioc
2	freegeoip.app
3	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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	9197890c445e386627b5aecbdb522110.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	9197890c445e386627b5aecbdb522110.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2744	9197890c445e386627b5aecbdb522110.exe
2744	9197890c445e386627b5aecbdb522110.exe
2744	9197890c445e386627b5aecbdb522110.exe
2744	9197890c445e386627b5aecbdb522110.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2744	9197890c445e386627b5aecbdb522110.exe

C:\Users\Admin\AppData\Local\Temp\9197890c445e386627b5aecbdb522110.exe
"C:\Users\Admin\AppData\Local\Temp\9197890c445e386627b5aecbdb522110.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2744

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

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

C:\Users\Admin\AppData\Local\44\Process.txt

Filesize
357B

MD5
e28c36004e5a894fa83aa46d700e386e

SHA1
3a8a507d958c17723fc508ed71eab876614df685

SHA256
b293bce3431674bac6e0d077778c70aa8135a94c4a1818b24895f468df42c6d1

SHA512
5b0c7ecc064de8441ed8f2e83013afa6604ebcad52b412032fe0ccc21a0689bef8725f05a5df39c8ad807b8b941c212a2db8d8e778776eefaa625b244090c714

Download Submit
memory/2744-0-0x0000000001130000-0x00000000011D0000-memory.dmp

Filesize
640KB

Download
memory/2744-1-0x000007FEF5440000-0x000007FEF5E2C000-memory.dmp

Filesize
9.9MB

Download
memory/2744-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2744-3-0x000000001B020000-0x000000001B0A0000-memory.dmp

Filesize
512KB

Download
memory/2744-4-0x000000001A950000-0x000000001AA2C000-memory.dmp

Filesize
880KB

Download
memory/2744-5-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2744-51-0x000007FEF5440000-0x000007FEF5E2C000-memory.dmp

Filesize
9.9MB

Download