44caliber | 01f415da08ef6afa3a98e884ae3224d2f9c18bf629ce31f464ed8873b7d618f5

Analysis

max time kernel
94s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
29-02-2024 19:24

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General

Target

af48cbe6bc2be0d4fdbc89f9a6b89f06.exe
Size

1.2MB
MD5

af48cbe6bc2be0d4fdbc89f9a6b89f06
SHA1

d05426cdeae28903bac323656fb91ea2b5bfa56f
SHA256

01f415da08ef6afa3a98e884ae3224d2f9c18bf629ce31f464ed8873b7d618f5
SHA512

f912183fa13c38a6e71a180cc66b6b0897d894faac9858c231c3474e73eb58366bbb0cb881ce0d9038fa5a7066cfa185ecfea289b717e90755d6901b954356d2
SSDEEP

24576:4WFyaqH/njZbno7e2RIymxTWk1DzW8fK4OrkFI+XljVy:43ak/nR1YIymxCk1RQkFNXf

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/854455368012136470/_D98IufglZBza7HIm00b7IU7WVWr1ueKrUUmmqdfsFcgk7qacR9lRK_A2S3k1Vq4Yupc

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 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

9 freegeoip.app
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

af48cbe6bc2be0d4fdbc89f9a6b89f06.exe

pid process

4300 af48cbe6bc2be0d4fdbc89f9a6b89f06.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3728 4300 WerFault.exe af48cbe6bc2be0d4fdbc89f9a6b89f06.exe

flow	ioc
9	freegeoip.app

pid	pid_target	process	target process
3728	4300	WerFault.exe	af48cbe6bc2be0d4fdbc89f9a6b89f06.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

af48cbe6bc2be0d4fdbc89f9a6b89f06.exe

pid	process
4300	af48cbe6bc2be0d4fdbc89f9a6b89f06.exe
4300	af48cbe6bc2be0d4fdbc89f9a6b89f06.exe
4300	af48cbe6bc2be0d4fdbc89f9a6b89f06.exe
4300	af48cbe6bc2be0d4fdbc89f9a6b89f06.exe
4300	af48cbe6bc2be0d4fdbc89f9a6b89f06.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

af48cbe6bc2be0d4fdbc89f9a6b89f06.exe

description pid process

Token: SeDebugPrivilege 4300 af48cbe6bc2be0d4fdbc89f9a6b89f06.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

af48cbe6bc2be0d4fdbc89f9a6b89f06.exe

pid process

4300 af48cbe6bc2be0d4fdbc89f9a6b89f06.exe

description	pid	process
Token: SeDebugPrivilege	4300	af48cbe6bc2be0d4fdbc89f9a6b89f06.exe

C:\Users\Admin\AppData\Local\Temp\af48cbe6bc2be0d4fdbc89f9a6b89f06.exe
"C:\Users\Admin\AppData\Local\Temp\af48cbe6bc2be0d4fdbc89f9a6b89f06.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4300

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4300 -s 1272
2⤵
- Program crash
PID:3728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4300 -ip 4300
1⤵
PID:4348

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

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\Browsers\Firefox\Bookmarks.txt
Filesize
105B

MD5
2e9d094dda5cdc3ce6519f75943a4ff4

SHA1
5d989b4ac8b699781681fe75ed9ef98191a5096c

SHA256
c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

SHA512
d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

Download Submit
memory/4300-0-0x0000000000930000-0x0000000000CE6000-memory.dmp

Filesize
3.7MB

Download
memory/4300-2-0x0000000074720000-0x0000000074ED0000-memory.dmp

Filesize
7.7MB

Download
memory/4300-1-0x0000000000930000-0x0000000000CE6000-memory.dmp

Filesize
3.7MB

Download
memory/4300-3-0x0000000006370000-0x0000000006380000-memory.dmp

Filesize
64KB

Download
memory/4300-39-0x0000000000930000-0x0000000000CE6000-memory.dmp

Filesize
3.7MB

Download
memory/4300-40-0x0000000074720000-0x0000000074ED0000-memory.dmp

Filesize
7.7MB

Download