44caliber | b356d0dfecf39874a2bbbe4cae33f580d91a8991860df23314f35950f574485c

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25-12-2023 08:17

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

117b28e18c3cdee58cee6f5b4c6b708b.exe
Size

1.2MB
MD5

117b28e18c3cdee58cee6f5b4c6b708b
SHA1

bf3f7cf88712b01a8123d3836bf19f25b17a70ec
SHA256

b356d0dfecf39874a2bbbe4cae33f580d91a8991860df23314f35950f574485c
SHA512

3a2331e1f7266a262e308eab726ee43127631c7348e7931186d13f54577abb1a18a92d6a6664dc69a9cbe9098914bd0e6173d1adc634a545b9c87b3bedd600ea
SSDEEP

24576:8Shu0Xd9baM1zjL0KfafjvjZLJNWttqmO96tY:8SL7VUfjJWttlO9IY

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discordapp.com/api/webhooks/859014405580783637/J-rOLcLQORAp4rSIpre0H46Lhmzd8QK1hgRFNA4mqYSEz6dtJRq9HsK-id725NgqZTvK

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

3 freegeoip.app
2 freegeoip.app
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

117b28e18c3cdee58cee6f5b4c6b708b.exe

pid process

2496 117b28e18c3cdee58cee6f5b4c6b708b.exe
2496 117b28e18c3cdee58cee6f5b4c6b708b.exe

flow	ioc
3	freegeoip.app
2	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:

117b28e18c3cdee58cee6f5b4c6b708b.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	117b28e18c3cdee58cee6f5b4c6b708b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	117b28e18c3cdee58cee6f5b4c6b708b.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

117b28e18c3cdee58cee6f5b4c6b708b.exe

pid	process
2496	117b28e18c3cdee58cee6f5b4c6b708b.exe
2496	117b28e18c3cdee58cee6f5b4c6b708b.exe
2496	117b28e18c3cdee58cee6f5b4c6b708b.exe
2496	117b28e18c3cdee58cee6f5b4c6b708b.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

117b28e18c3cdee58cee6f5b4c6b708b.exe

description pid process

Token: SeDebugPrivilege 2496 117b28e18c3cdee58cee6f5b4c6b708b.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

117b28e18c3cdee58cee6f5b4c6b708b.exe

pid process

2496 117b28e18c3cdee58cee6f5b4c6b708b.exe

description	pid	process
Token: SeDebugPrivilege	2496	117b28e18c3cdee58cee6f5b4c6b708b.exe

C:\Users\Admin\AppData\Local\Temp\117b28e18c3cdee58cee6f5b4c6b708b.exe
"C:\Users\Admin\AppData\Local\Temp\117b28e18c3cdee58cee6f5b4c6b708b.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2496

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\44\Process.txt
Filesize
330B

MD5
f8487732fdf9f2e4960c1e3876bc89a9

SHA1
87ddfcb9f2b286642a7f91e9fbee0df87bb82311

SHA256
b699ef28969c038c9c636252fbacf15d336dae421e5d6d56c5a1f116d3d0cdf5

SHA512
6d9ef22f7eeaeaa8cccfed79ec9f14353b37ffb248d628072f74d57cee4d1f2b2aaf671ed6a72726359ffd652c57a657875b524d77704413aecd27cdf20441d6

Download Submit
C:\Users\Admin\AppData\Local\44\Process.txt
Filesize
412B

MD5
f047e8bd88bcf0fa23677b6fc48bffa0

SHA1
498f5428fb64125368fa0b4e083f4412620f60d8

SHA256
5388c58eebf41796c43c631dc6bb374d64f106add3f551820d4ee8e996964aab

SHA512
0383d7b6b1fd4ea5fd4169203378dfa16003d160961ebc6070e92084182041abc9880cadedf197820f21279247b3962b4b737bab89ec8daee3a2d1805897ef7a

Download Submit
memory/2496-0-0x0000000000AC0000-0x0000000000E6E000-memory.dmp

Filesize
3.7MB

Download
memory/2496-2-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download
memory/2496-1-0x0000000000AC0000-0x0000000000E6E000-memory.dmp

Filesize
3.7MB

Download
memory/2496-3-0x0000000005B40000-0x0000000005B80000-memory.dmp

Filesize
256KB

Download
memory/2496-54-0x0000000000AC0000-0x0000000000E6E000-memory.dmp

Filesize
3.7MB

Download
memory/2496-55-0x0000000074890000-0x0000000074F7E000-memory.dmp

Filesize
6.9MB

Download