44caliber | 876e5e9bbaf937b3dbcdaf019eee4e2b492ed2cfa47c3e264467ac9c97c052f1

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
25-03-2024 09:21

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General

Target

dda9fdfc7cce385b13c96a10d8634417.exe
Size

1.2MB
MD5

dda9fdfc7cce385b13c96a10d8634417
SHA1

45ac86dfe9f66937d06229840ae40543bb917a47
SHA256

876e5e9bbaf937b3dbcdaf019eee4e2b492ed2cfa47c3e264467ac9c97c052f1
SHA512

3a1fb982a79fe34cf0fedc2600ebe7f796fd0606596e45ebf80d14e2890b06f306969acb69a4374e5ac883e92d58953fe16828d8a00ddfa756eb518b42eece20
SSDEEP

24576:NSVCwS8BA69IxW5iPOdN6Jufj/SPpLv0r9zND5d+53FH4K:NSwa15iPEK2KBM9zNV453F/

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.

flow	ioc
12	freegeoip.app
25	freegeoip.app

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
8	dda9fdfc7cce385b13c96a10d8634417.exe
8	dda9fdfc7cce385b13c96a10d8634417.exe

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	dda9fdfc7cce385b13c96a10d8634417.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	dda9fdfc7cce385b13c96a10d8634417.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
8	dda9fdfc7cce385b13c96a10d8634417.exe
8	dda9fdfc7cce385b13c96a10d8634417.exe
8	dda9fdfc7cce385b13c96a10d8634417.exe
8	dda9fdfc7cce385b13c96a10d8634417.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	8	dda9fdfc7cce385b13c96a10d8634417.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
8	dda9fdfc7cce385b13c96a10d8634417.exe

C:\Users\Admin\AppData\Local\Temp\dda9fdfc7cce385b13c96a10d8634417.exe
"C:\Users\Admin\AppData\Local\Temp\dda9fdfc7cce385b13c96a10d8634417.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:8

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:\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
fad74c85bdd4a8677c486e14ebb7dc1c

SHA1
06b13975dc006878500848f358e384c85e5cc370

SHA256
1dfe5e20277717b7abf3366665d0376f4c6bae8edfe5cf8ca9a89916949654f4

SHA512
8447f8193fc60dc03c3bf25c10189af688acf4d6fc257956d1289e28763237b4b760f929743d9e5b7bcd3759d59562f65dfc9aeeab59399cad521240b8a9c7af

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

Filesize
732B

MD5
cb481b2f183ec97880d258cf828c8799

SHA1
a259d80c3fe2408ce3bd8d41afee23115fdba4c1

SHA256
c2d604c5578a9d629ca764220471aa0cd9579cf9e80bd42e29bb0d5b4d67a4da

SHA512
10d2ab70e3da1f9ec56b543626a0080f504c09ea59125399b06876471108de2d91fd32a4e027808f41204e14401b0f6fab290451c0526ac8143008f2162760d3

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

Filesize
972B

MD5
0600c60a26ccbbba185892ad766f9998

SHA1
b52691a56d2ffb7aabdb60420fa8de44c98983fe

SHA256
526ecf2fee43c5b49021763eea4467a6d96c1b89d9b0bfa06c05c2ba92de35fa

SHA512
092984d8f029cbf34a38a0dec540cdfc09f55c7ad8ce02a47cf86c549403b7c1ef6ea58de296a74570adbe2e24849c89cf9f89d3747cb3f81b90aee9454baf37

Download Submit
memory/8-3-0x00000000040D0000-0x00000000040E0000-memory.dmp

Filesize
64KB

Download
memory/8-11-0x0000000006AF0000-0x0000000006B82000-memory.dmp

Filesize
584KB

Download
memory/8-37-0x0000000007640000-0x0000000007BE4000-memory.dmp

Filesize
5.6MB

Download
memory/8-0-0x0000000000E70000-0x0000000001220000-memory.dmp

Filesize
3.7MB

Download
memory/8-2-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download
memory/8-1-0x0000000000E70000-0x0000000001220000-memory.dmp

Filesize
3.7MB

Download
memory/8-129-0x00000000074F0000-0x0000000007556000-memory.dmp

Filesize
408KB

Download
memory/8-133-0x0000000000E70000-0x0000000001220000-memory.dmp

Filesize
3.7MB

Download
memory/8-134-0x0000000074770000-0x0000000074F20000-memory.dmp

Filesize
7.7MB

Download