44caliber | 9aa6cc584cb71f79cd0bed533930514f04b3f1f84163cd0fa5808e6d88d26362

Analysis

max time kernel
180s
max time network
187s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
09-01-2024 14:24

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General

Target

4e896524210ad3a26c70e5b835a7f791.exe
Size

598KB
MD5

4e896524210ad3a26c70e5b835a7f791
SHA1

56266f2cfcccaadd39a76fd2b71f776d81777f7e
SHA256

9aa6cc584cb71f79cd0bed533930514f04b3f1f84163cd0fa5808e6d88d26362
SHA512

bfa8ed75ec6da65875ca654092930cd3ebac0f8e8f2c1650c9dc67e570de5f4622edd20d4b7398365e0bcba2e52c8b5214221fd347c296065bbc40913ea046de
SSDEEP

12288:1tqe3zJK6Y69eyXf1DBLP/NtvEbCzCo06qVwe6FQp9ioP0:bdI6F3PTsbCx06qH6F4RP

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/855417360688480256/JUyPPd3soXD0X_vllpMQMEAEAMSAs1J4iX2r2jRuXhB3kX2tHimYk-jMIi71U29HYoiG

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
12	freegeoip.app
23	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	4e896524210ad3a26c70e5b835a7f791.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	4e896524210ad3a26c70e5b835a7f791.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2776	4e896524210ad3a26c70e5b835a7f791.exe
2776	4e896524210ad3a26c70e5b835a7f791.exe
2776	4e896524210ad3a26c70e5b835a7f791.exe
2776	4e896524210ad3a26c70e5b835a7f791.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2776	4e896524210ad3a26c70e5b835a7f791.exe

C:\Users\Admin\AppData\Local\Temp\4e896524210ad3a26c70e5b835a7f791.exe
"C:\Users\Admin\AppData\Local\Temp\4e896524210ad3a26c70e5b835a7f791.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2776

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\Roaming\44\Process.txt

Filesize
1KB

MD5
bc95ac4b13ef397ab2beea51e5d2ae67

SHA1
a33875212c90893573824f5fc1f91706b55de238

SHA256
17f8861df48048bf1f9c7615f84920093ea675217d748567818caf820c9facbd

SHA512
68e052d7270f1abed9338d012162c13b065cc0ebf91ef18306a0f5095ff1eb402fef42989a83a0f13b4c8eae589d5989f9c0b09f54d6aab9899015859a2a87ce

Download Submit
C:\Users\Admin\AppData\Roaming\44\Process.txt

Filesize
357B

MD5
21d1ee3480a63631587a7fae88ebfc84

SHA1
bf75d36349df6a01be4a391892b0bb726dd9c922

SHA256
ba7f43e0f7c626f7c7168751a13633846ac7e66ec76f7ffb69e7f247dc434150

SHA512
876c7c5fa5dae3712cc68500257e967bc2957b237deadb163e684660a9cd36ff9df0ae7c7c752734bd729cc9085d0ef7a63ec57de87895d7225a606311f19645

Download Submit
C:\Users\Admin\AppData\Roaming\44\Process.txt

Filesize
602B

MD5
2fabff2bde9b857d826ad3f765e3782a

SHA1
5ad3ade3cc29460d828b2aa24de35917a9834588

SHA256
422023c9941f7a922aaf8c09176c174dc84c5dcddfc5eadddc2d6ac3bc59b6e9

SHA512
17d014e80a45143d9915589ecd225b991cdbfe82e007e95bd7d02f1b1efaad0e58f8ebfd88e5d0b7122c52618a79c4389d3ac7435e25a9fcfe93fb45fda40baa

Download Submit
memory/2776-0-0x0000000000760000-0x00000000007FA000-memory.dmp

Filesize
616KB

Download
memory/2776-30-0x00007FF849F80000-0x00007FF84AA41000-memory.dmp

Filesize
10.8MB

Download
memory/2776-31-0x000000001B3B0000-0x000000001B3C0000-memory.dmp

Filesize
64KB

Download
memory/2776-125-0x00007FF849F80000-0x00007FF84AA41000-memory.dmp

Filesize
10.8MB

Download