44caliber | d3e832fc80acdc65b025a2f2ddf27f9b6ee273434a9f57df9a5afe977dfdcac3

Resubmissions

24-09-2023 08:26

230924-kcbw1aeg88 10

22-08-2023 14:37

230822-rzc6xacg63 10

Analysis

max time kernel
143s
max time network
208s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
22-08-2023 14:37

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General

Target

EXPENSIVE LOADER.exe
Size

1.3MB
MD5

bfb9334833749790c0df81ab1489c5a9
SHA1

b38e3080dfb1d35ae303b9f0c14a7cf12621de7c
SHA256

cc16768fe66b11c07282c6d5d543701b85b283a44de51fdd4a9bd2a014f37b68
SHA512

e41a66d9932f7853c9015ef0361cfbf4702a31d356e97dae1fb9ece085b808cac0e9a5d6d70a2763d08b3f940aacc074181bae6755077933d97f9a92b93c65d1
SSDEEP

24576:bw3SBs2Mhfs2OcpIi5aO9z1dn7Az8Zk61NlPXYpky7vKCB/nO:E3P2MhkPTaz1tswiKPXYpkyjKCB/O

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
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

EXPENSIVE LOADER.exe

pid process

5040 EXPENSIVE LOADER.exe
5040 EXPENSIVE LOADER.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

EXPENSIVE LOADER.exe

pid	process
5040	EXPENSIVE LOADER.exe
5040	EXPENSIVE LOADER.exe
5040	EXPENSIVE LOADER.exe
5040	EXPENSIVE LOADER.exe
5040	EXPENSIVE LOADER.exe
5040	EXPENSIVE LOADER.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

EXPENSIVE LOADER.exe

description pid process

Token: SeDebugPrivilege 5040 EXPENSIVE LOADER.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

EXPENSIVE LOADER.exe

pid process

5040 EXPENSIVE LOADER.exe

description	pid	process
Token: SeDebugPrivilege	5040	EXPENSIVE LOADER.exe

C:\Users\Admin\AppData\Local\Temp\EXPENSIVE LOADER.exe
"C:\Users\Admin\AppData\Local\Temp\EXPENSIVE LOADER.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:5040

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

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\ProgramData\44\Browsers\Firefox\Bookmarks.txt
Filesize
105B

MD5
2e9d094dda5cdc3ce6519f75943a4ff4

SHA1
5d989b4ac8b699781681fe75ed9ef98191a5096c

SHA256
c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

SHA512
d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

Download Submit
C:\ProgramData\44\Process.txt
Filesize
1KB

MD5
88761398cff8c3d886ce409564bda0ec

SHA1
e6710bef7e03cf4597ce3dc78404a9bebc18a852

SHA256
245e1a7fec5536307c0941338bb0f50a29c599b2b1903688198d87ec639b89d1

SHA512
4b92003fca9d13b74c76b6e34ac0134bf94f8f0693f00f96ef9c106ac72a50e199612d954c44385575616a39e283fd82e47f3deffa599fe884349a2467bc4d29

Download Submit
C:\ProgramData\44\Process.txt
Filesize
1KB

MD5
88761398cff8c3d886ce409564bda0ec

SHA1
e6710bef7e03cf4597ce3dc78404a9bebc18a852

SHA256
245e1a7fec5536307c0941338bb0f50a29c599b2b1903688198d87ec639b89d1

SHA512
4b92003fca9d13b74c76b6e34ac0134bf94f8f0693f00f96ef9c106ac72a50e199612d954c44385575616a39e283fd82e47f3deffa599fe884349a2467bc4d29

Download Submit
C:\ProgramData\44\Process.txt
Filesize
1KB

MD5
88761398cff8c3d886ce409564bda0ec

SHA1
e6710bef7e03cf4597ce3dc78404a9bebc18a852

SHA256
245e1a7fec5536307c0941338bb0f50a29c599b2b1903688198d87ec639b89d1

SHA512
4b92003fca9d13b74c76b6e34ac0134bf94f8f0693f00f96ef9c106ac72a50e199612d954c44385575616a39e283fd82e47f3deffa599fe884349a2467bc4d29

Download Submit
memory/5040-138-0x0000000074100000-0x00000000748B0000-memory.dmp

Filesize
7.7MB

Download
memory/5040-139-0x0000000000410000-0x000000000081A000-memory.dmp

Filesize
4.0MB

Download
memory/5040-140-0x0000000000410000-0x000000000081A000-memory.dmp

Filesize
4.0MB

Download
memory/5040-141-0x0000000009090000-0x00000000090A0000-memory.dmp

Filesize
64KB

Download
memory/5040-142-0x000000000A3A0000-0x000000000A432000-memory.dmp

Filesize
584KB

Download
memory/5040-133-0x0000000000410000-0x000000000081A000-memory.dmp

Filesize
4.0MB

Download
memory/5040-175-0x000000000A9F0000-0x000000000AF94000-memory.dmp

Filesize
5.6MB

Download
memory/5040-137-0x0000000077B42000-0x0000000077B43000-memory.dmp

Filesize
4KB

Download
memory/5040-135-0x0000000000410000-0x000000000081A000-memory.dmp

Filesize
4.0MB

Download
memory/5040-134-0x0000000000B70000-0x0000000000B71000-memory.dmp

Filesize
4KB

Download
memory/5040-265-0x00000000099E0000-0x0000000009A46000-memory.dmp

Filesize
408KB

Download
memory/5040-268-0x0000000000410000-0x000000000081A000-memory.dmp

Filesize
4.0MB

Download
memory/5040-269-0x0000000074100000-0x00000000748B0000-memory.dmp

Filesize
7.7MB

Download