44caliber | 17a63474761694df195922553ceed1733b9c5c940e6ef44a560fa5022a330931

Analysis

max time kernel
142s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
28-12-2023 10:20

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General

Target

d879f98415c5091a66206c2c8938b6af.exe
Size

1.2MB
MD5

d879f98415c5091a66206c2c8938b6af
SHA1

52e521e9e81ffc0bdd8125b90fdf9e4b42af91f2
SHA256

17a63474761694df195922553ceed1733b9c5c940e6ef44a560fa5022a330931
SHA512

fe23f5da35e1a245f3e5a31fcc8d38948ff3c4b127f3e8369545e01d849a8c6ef87803a7c929d35722050074e5e7ecd4f15f3e0ceac2880988595c09db88c0a9
SSDEEP

24576:0p6QlVvkMxKht99iIp/puHMWZnaXnxN99uKq5tAVZnY0rUvVDDa:W6cBkM0riWpuHM2aXxnIBPU8h

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discordapp.com/api/webhooks/869534850812637194/fQ9SG1wbGT8eouo6vEUs5wADugNDHDhRWKq5RBk6gLjlDi9xEUaR3leD9AhGscQ-u377

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 1 IoCs

Processes:

d879f98415c5091a66206c2c8938b6af.exe

pid process

1740 d879f98415c5091a66206c2c8938b6af.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3008 1740 WerFault.exe d879f98415c5091a66206c2c8938b6af.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

d879f98415c5091a66206c2c8938b6af.exe

pid process

1740 d879f98415c5091a66206c2c8938b6af.exe
1740 d879f98415c5091a66206c2c8938b6af.exe
1740 d879f98415c5091a66206c2c8938b6af.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

d879f98415c5091a66206c2c8938b6af.exe

description pid process

Token: SeDebugPrivilege 1740 d879f98415c5091a66206c2c8938b6af.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

d879f98415c5091a66206c2c8938b6af.exe

pid process

1740 d879f98415c5091a66206c2c8938b6af.exe

pid	process
1740	d879f98415c5091a66206c2c8938b6af.exe

pid	pid_target	process	target process
3008	1740	WerFault.exe	d879f98415c5091a66206c2c8938b6af.exe

pid	process
1740	d879f98415c5091a66206c2c8938b6af.exe
1740	d879f98415c5091a66206c2c8938b6af.exe
1740	d879f98415c5091a66206c2c8938b6af.exe

description	pid	process
Token: SeDebugPrivilege	1740	d879f98415c5091a66206c2c8938b6af.exe

pid	process
1740	d879f98415c5091a66206c2c8938b6af.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

d879f98415c5091a66206c2c8938b6af.exe

description	pid	process	target process
PID 1740 wrote to memory of 3008	1740	d879f98415c5091a66206c2c8938b6af.exe	WerFault.exe
PID 1740 wrote to memory of 3008	1740	d879f98415c5091a66206c2c8938b6af.exe	WerFault.exe
PID 1740 wrote to memory of 3008	1740	d879f98415c5091a66206c2c8938b6af.exe	WerFault.exe
PID 1740 wrote to memory of 3008	1740	d879f98415c5091a66206c2c8938b6af.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\d879f98415c5091a66206c2c8938b6af.exe
"C:\Users\Admin\AppData\Local\Temp\d879f98415c5091a66206c2c8938b6af.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1740 -s 784
2⤵
- Program crash
PID:3008

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

memory/1740-0-0x00000000003F0000-0x00000000007AA000-memory.dmp

Filesize
3.7MB

Download
memory/1740-1-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/1740-2-0x00000000003F0000-0x00000000007AA000-memory.dmp

Filesize
3.7MB

Download
memory/1740-3-0x00000000003F0000-0x00000000007AA000-memory.dmp

Filesize
3.7MB

Download
memory/1740-4-0x00000000054E0000-0x0000000005520000-memory.dmp

Filesize
256KB

Download
memory/1740-27-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/1740-28-0x00000000054E0000-0x0000000005520000-memory.dmp

Filesize
256KB

Download