44caliber | de739e39b443896784ac47a54e6ff177aa1a0276972f8fcefefd89096feb324d

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13/03/2025, 07:23

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General

Target

de739e39b443896784ac47a54e6ff177aa1a0276972f8fcefefd89096feb324d.exe
Size

274KB
MD5

212e21699f779492a3d7258caae09adb
SHA1

1a0ce654cfa010cc8fa134a7b51fa9cfe1a81f37
SHA256

de739e39b443896784ac47a54e6ff177aa1a0276972f8fcefefd89096feb324d
SHA512

53458096654ec266d5ca03d960d1a9178ea136d33db5d11fcd45aeafacd8613cc71214784a3c5a3fc064c2e6c521f5d0f5e570b5fc4fd94a3613cf33facb14fb
SSDEEP

3072:pT59B82ObyQfpUdzd0v4HCmE2uiUSHSzNyS46sNDQgD3h6cAufDlCx8ieI/KQ73o:t5962fQebXCFD43WGRQkD05xq

Score

10^/10

44caliber spyware stealer

Malware Config

Signatures

44Caliber
An open source infostealer written in C#.
stealer 44caliber
44Caliber family
44caliber
Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003
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
5	freegeoip.app
4	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	de739e39b443896784ac47a54e6ff177aa1a0276972f8fcefefd89096feb324d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	de739e39b443896784ac47a54e6ff177aa1a0276972f8fcefefd89096feb324d.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1868	de739e39b443896784ac47a54e6ff177aa1a0276972f8fcefefd89096feb324d.exe
1868	de739e39b443896784ac47a54e6ff177aa1a0276972f8fcefefd89096feb324d.exe
1868	de739e39b443896784ac47a54e6ff177aa1a0276972f8fcefefd89096feb324d.exe
1868	de739e39b443896784ac47a54e6ff177aa1a0276972f8fcefefd89096feb324d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1868	de739e39b443896784ac47a54e6ff177aa1a0276972f8fcefefd89096feb324d.exe

C:\Users\Admin\AppData\Local\Temp\de739e39b443896784ac47a54e6ff177aa1a0276972f8fcefefd89096feb324d.exe
"C:\Users\Admin\AppData\Local\Temp\de739e39b443896784ac47a54e6ff177aa1a0276972f8fcefefd89096feb324d.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1868

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

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:\ProgramData\44\Process.txt

Filesize
444B

MD5
24e98cbf862e5214397440c3020a203f

SHA1
0926aff5f617ac19c326a59c98bada02ebe372e4

SHA256
c4a20099186fcfaee97484d0f0057eae05d1f725ef5316ceb03482eebb5b2603

SHA512
d02514960406b242fcfcb70e8049f407f90c99c5d58d4a324fc2531e61c746ef086ef3096d4b6d0aadefc762cb6ae501676b888a35d6b05074d49b864d55b721

Download Submit
memory/1868-0-0x000007FEF5493000-0x000007FEF5494000-memory.dmp

Filesize
4KB

Download
memory/1868-1-0x00000000009C0000-0x0000000000A0A000-memory.dmp

Filesize
296KB

Download
memory/1868-14-0x000007FEF5490000-0x000007FEF5E7C000-memory.dmp

Filesize
9.9MB

Download
memory/1868-49-0x000007FEF5490000-0x000007FEF5E7C000-memory.dmp

Filesize
9.9MB

Download