44caliber | 138d8ab76f76ab69c33c1606de29083ef561d98c08350af91849f1dd1bf16d10

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
16-01-2024 17:15

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General

Target

606db2cb19ad7f8e3d20b633a8872330.exe
Size

7.1MB
MD5

606db2cb19ad7f8e3d20b633a8872330
SHA1

3228f2b1051fa71f33a3ffe6e6cf385b1617e175
SHA256

138d8ab76f76ab69c33c1606de29083ef561d98c08350af91849f1dd1bf16d10
SHA512

44438e9ef0cc1211a6be7c861b5a321f14993252030c6a25e981f2b500edb8eb4f083d32c009c5eaee808018958e8fd04cdc4675010c87bb3ef3ac654a1cd8ea
SSDEEP

6144:1OsE5m1O1B0Ln62oeD+ceV3DZgCtCFOzmoziZ+1p24u4Z3bF:YsZA0Nf+rxDCcnzmoziZ+1p24u4j

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

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
4	freegeoip.app
5	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	606db2cb19ad7f8e3d20b633a8872330.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	606db2cb19ad7f8e3d20b633a8872330.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1068	606db2cb19ad7f8e3d20b633a8872330.exe
1068	606db2cb19ad7f8e3d20b633a8872330.exe
1068	606db2cb19ad7f8e3d20b633a8872330.exe
1068	606db2cb19ad7f8e3d20b633a8872330.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1068	606db2cb19ad7f8e3d20b633a8872330.exe

C:\Users\Admin\AppData\Local\Temp\606db2cb19ad7f8e3d20b633a8872330.exe
"C:\Users\Admin\AppData\Local\Temp\606db2cb19ad7f8e3d20b633a8872330.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1068

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

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Downloads

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

Filesize
397B

MD5
fe3590faea2de6c70e82b2b4e06ff8ef

SHA1
5d3e32c8586220f910585ced0f072369ebe2b865

SHA256
de2974b1f0f8aa58b40b5a6310d391bfe6c4441cb6b462d333cc76d34002a673

SHA512
de9b98fca30666b878fe9a14d2097f9a8787cf8def2aff521c92be607d534d41de43dba3177673f07be3f9e6497921dfd9242f47bd7d31a3ed558fd3ca9be605

Download Submit
memory/1068-0-0x0000000001230000-0x000000000127E000-memory.dmp

Filesize
312KB

Download
memory/1068-1-0x000007FEF5C60000-0x000007FEF664C000-memory.dmp

Filesize
9.9MB

Download
memory/1068-2-0x000000001B170000-0x000000001B1F0000-memory.dmp

Filesize
512KB

Download
memory/1068-48-0x000007FEF5C60000-0x000007FEF664C000-memory.dmp

Filesize
9.9MB

Download