44caliber | 2d936a38e8c1094b42769f128030b1dc3c110c7a5abb8fa1ac3842a76dba7b33

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 23:48

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General

Target

2d936a38e8c1094b42769f128030b1dc3c110c7a5abb8fa1ac3842a76dba7b33.exe
Size

606KB
MD5

59123841ec7ab6b96cce25007768d602
SHA1

97d9974813a885ce0427e95a821aec36308534fd
SHA256

2d936a38e8c1094b42769f128030b1dc3c110c7a5abb8fa1ac3842a76dba7b33
SHA512

959504d40a506f9c7a3aff0d00116f5e6c690be51d7deda85ce45917c1b5c91cb4ec59e257bd2fa66b518f2c291ce9dc2217c49b2925008b1bb2cc4d4abccfbc
SSDEEP

12288:QZo9wqaX9lAytIcWlkhfMZVJt3uITOI7RxKPgcMQolSIBxzQQUpCW31R:ZaX9lAytIclhEJkIT7igcNjIB5Qgw

Score

10^/10

44caliber spyware stealer

Malware Config

Signatures

44Caliber
An open source infostealer written in C#.
stealer 44caliber
44Caliber family
44caliber
Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003
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
4	freegeoip.app
5	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	2d936a38e8c1094b42769f128030b1dc3c110c7a5abb8fa1ac3842a76dba7b33.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2d936a38e8c1094b42769f128030b1dc3c110c7a5abb8fa1ac3842a76dba7b33.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2328	2d936a38e8c1094b42769f128030b1dc3c110c7a5abb8fa1ac3842a76dba7b33.exe
2328	2d936a38e8c1094b42769f128030b1dc3c110c7a5abb8fa1ac3842a76dba7b33.exe
2328	2d936a38e8c1094b42769f128030b1dc3c110c7a5abb8fa1ac3842a76dba7b33.exe
2328	2d936a38e8c1094b42769f128030b1dc3c110c7a5abb8fa1ac3842a76dba7b33.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2328	2d936a38e8c1094b42769f128030b1dc3c110c7a5abb8fa1ac3842a76dba7b33.exe

C:\Users\Admin\AppData\Local\Temp\2d936a38e8c1094b42769f128030b1dc3c110c7a5abb8fa1ac3842a76dba7b33.exe
"C:\Users\Admin\AppData\Local\Temp\2d936a38e8c1094b42769f128030b1dc3c110c7a5abb8fa1ac3842a76dba7b33.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2328

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

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:\ProgramData\44\Process.txt

Filesize
278B

MD5
1357232bf43d13b6c747d89269606d4e

SHA1
ca60f9f4e66ae29e5e42b9a090843164ae52a97a

SHA256
fa17fdba9f99d079fa10e6de88956432911137b7cb98a8d10aa3b690664de7bd

SHA512
24982dd76cc4b4e306df046a747c28b6c0bb2f700ae70e6b669d01ca23981f63c40121e8b84ac046f575da32bc031a44a4a952554899da86ac8cdea8117f559a

Download Submit
C:\ProgramData\44\Process.txt

Filesize
490B

MD5
63f3b6444ac808057107c3e845b8682d

SHA1
8fad5d204c5e88195e55d90528f97c5d8daa3981

SHA256
44280d58112b1717d28583a3d72433626b7c027d3831ce9f45e45319962b7fe3

SHA512
3e273580c6be0487571f16c443cd53f5e0e8792d2661d01944a6968e38c5dee978309c52e940198813227ff7644eb7df4a18ae75350b5fa607dd54522b3c0dbb

Download Submit
memory/2328-0-0x000007FEF5EE3000-0x000007FEF5EE4000-memory.dmp

Filesize
4KB

Download
memory/2328-1-0x00000000010E0000-0x000000000117E000-memory.dmp

Filesize
632KB

Download
memory/2328-2-0x000000001AE50000-0x000000001AF3A000-memory.dmp

Filesize
936KB

Download
memory/2328-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2328-4-0x000007FEF5EE0000-0x000007FEF68CC000-memory.dmp

Filesize
9.9MB

Download
memory/2328-54-0x000007FEF5EE0000-0x000007FEF68CC000-memory.dmp

Filesize
9.9MB

Download