44caliber | d580e3cc2480f082f140cc784c0249f19d0c412d7758fb97ba8e750441188bb6

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
29-12-2023 20:16

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General

Target

02c9b93a30cac707fcf002a0de796ffa.exe
Size

2.2MB
MD5

02c9b93a30cac707fcf002a0de796ffa
SHA1

bfdc0777ef4d84a248045919fae0e2fc9ba33952
SHA256

d580e3cc2480f082f140cc784c0249f19d0c412d7758fb97ba8e750441188bb6
SHA512

05fde0d4e1afbc0e5d3d7315fee4016caf5a5ed8f2365062cbb8588fb7552d8fd999a82e8f2360336b77bd0ffc9eb39c62aca5992e709f781f80e64bf561feb7
SSDEEP

49152:QwoR6eo4uwBM3RlNpDE15UR43WNKrAdlK4MI0Q:qNokMBlLDE1W+uuAIJ

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.

Processes:

flow ioc

2 freegeoip.app
3 freegeoip.app

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

Processes:

02c9b93a30cac707fcf002a0de796ffa.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	02c9b93a30cac707fcf002a0de796ffa.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	02c9b93a30cac707fcf002a0de796ffa.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

02c9b93a30cac707fcf002a0de796ffa.exe

pid	process
2044	02c9b93a30cac707fcf002a0de796ffa.exe
2044	02c9b93a30cac707fcf002a0de796ffa.exe
2044	02c9b93a30cac707fcf002a0de796ffa.exe
2044	02c9b93a30cac707fcf002a0de796ffa.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

02c9b93a30cac707fcf002a0de796ffa.exe

description pid process

Token: SeDebugPrivilege 2044 02c9b93a30cac707fcf002a0de796ffa.exe

description	pid	process
Token: SeDebugPrivilege	2044	02c9b93a30cac707fcf002a0de796ffa.exe

C:\Users\Admin\AppData\Local\Temp\02c9b93a30cac707fcf002a0de796ffa.exe
"C:\Users\Admin\AppData\Local\Temp\02c9b93a30cac707fcf002a0de796ffa.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2044

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\Roaming\44\Process.txt

Filesize
341B

MD5
dc9feabc9ce5be16ebbdd17f56a83ec1

SHA1
b18eadf4df7b4ed0655eab8c292d294d9b68b9cc

SHA256
bcecc8a84795aab6933bdd4be8444b0ede4da6d6ea29499de5e62ebcc63ef684

SHA512
a2d8d149bb42b137c81c3f4072bc83e6a0a4f5f4b413f7ee2ccdc8376a3dd243742449efe7b8727c7cea99c83d3fd3ac3efdaff0b6877dcf3e66a27ae74e4450

Download Submit
memory/2044-0-0x0000000000080000-0x00000000002B0000-memory.dmp

Filesize
2.2MB

Download
memory/2044-1-0x000007FEF5D20000-0x000007FEF670C000-memory.dmp

Filesize
9.9MB

Download
memory/2044-2-0x000000001AE10000-0x000000001AE90000-memory.dmp

Filesize
512KB

Download
memory/2044-49-0x000007FEF5D20000-0x000007FEF670C000-memory.dmp

Filesize
9.9MB

Download