44caliber | bce20f47da6456aa5e8ad6a47bef1e56b06efdac90e206d72edf3818e7c28bc9

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
24-02-2024 22:12

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General

Target

Dupe V4.42.exe
Size

274KB
MD5

e69695656727b24faa0cce67b8a5a1fe
SHA1

b71ca6b4f9f35bfd551ebf8d09255e4c8b13cc13
SHA256

bce20f47da6456aa5e8ad6a47bef1e56b06efdac90e206d72edf3818e7c28bc9
SHA512

7ddd3bc8229ffa318b1e6a1a8b19e11d8c1088dfd4c07fccf84d1e39501c562e2adb28fd02fac257f2c5f5b25412c151c4c168dac038f55f7e1a693fd2977c66
SSDEEP

6144:wf+BLtABPDsth6Ej/UZkI4TjkRy5xafTyUlI1D0bft:DtK+I4TjkRyZZ1DQt

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1206974551552958464/exNVrcQItQDQp5Vif4AyKwrQX7lXQIl06vDpIAqDtX0OwImj8IH-5I460UrzegqRF6l4

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
2	freegeoip.app
3	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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	Dupe V4.42.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	Dupe V4.42.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2728	Dupe V4.42.exe
2728	Dupe V4.42.exe
2728	Dupe V4.42.exe
2728	Dupe V4.42.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2728	Dupe V4.42.exe

C:\Users\Admin\AppData\Local\Temp\Dupe V4.42.exe
"C:\Users\Admin\AppData\Local\Temp\Dupe V4.42.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2728

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:\Users\Admin\AppData\Local\44\Process.txt

Filesize
390B

MD5
33e9a0d945144596b3ae428f013a6f93

SHA1
c4e1bc5e04008d6dad322d40049bb86ab855ecc6

SHA256
06e07b226c84f9941e5e2baea8485cb30efc2c0a44df8c31afae677cf367137d

SHA512
b64377e84c766f48da72730c74e40329e1f4750f765a69b6e96c381c2b9c4f5cac466321ce2ffbfb2b25dbb64e11daa5933b3bde1faae42a0fa6dcfbedd9f3ee

Download Submit
memory/2728-0-0x0000000000DA0000-0x0000000000DEA000-memory.dmp

Filesize
296KB

Download
memory/2728-1-0x000007FEF57F0000-0x000007FEF61DC000-memory.dmp

Filesize
9.9MB

Download
memory/2728-2-0x000000001B570000-0x000000001B5F0000-memory.dmp

Filesize
512KB

Download
memory/2728-49-0x000007FEF57F0000-0x000007FEF61DC000-memory.dmp

Filesize
9.9MB

Download