44caliber | de739e39b443896784ac47a54e6ff177aa1a0276972f8fcefefd89096feb324d

Analysis

max time kernel
96s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-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
2	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	de739e39b443896784ac47a54e6ff177aa1a0276972f8fcefefd89096feb324d.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	de739e39b443896784ac47a54e6ff177aa1a0276972f8fcefefd89096feb324d.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4844	de739e39b443896784ac47a54e6ff177aa1a0276972f8fcefefd89096feb324d.exe
4844	de739e39b443896784ac47a54e6ff177aa1a0276972f8fcefefd89096feb324d.exe
4844	de739e39b443896784ac47a54e6ff177aa1a0276972f8fcefefd89096feb324d.exe
4844	de739e39b443896784ac47a54e6ff177aa1a0276972f8fcefefd89096feb324d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4844	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:4844

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

Filesize
792B

MD5
6c38272795b9f61727fcb45a43c7f972

SHA1
b921a3523d9f771fbe674edbdc9b643f77e7122e

SHA256
00e3054cd02ae254ccd5b8135dd872293252f8ce8c82442043ad6d8dc3519e8d

SHA512
dbfaedd2f4ccef84d030ceea41843b7d28bddc24a94d6a794b796a6cc54d935de89d735c11552e9fa4393f24a6885834de5eb350c569bd820956e1d1e4bcdd37

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

Filesize
1KB

MD5
40f94cb2dccf1f19b6bd90c3b9b948e3

SHA1
3ba206d3dc4510060f2efef657a0b2a744b308fd

SHA256
2f71b78d51df0033f826ac18d88d03752320722cdf2f963d273e3b63432e3503

SHA512
65aa4ad70ecb70679fd0c309bfac40523bb6c42d0c5742dff55d297f5cddaabb51eba1ba2d698c25c15f404dc06277d7e38bfeae499c46537898dd36980dd667

Download Submit
memory/4844-0-0x00007FF8DA963000-0x00007FF8DA965000-memory.dmp

Filesize
8KB

Download
memory/4844-1-0x0000000000DA0000-0x0000000000DEA000-memory.dmp

Filesize
296KB

Download
memory/4844-32-0x00007FF8DA960000-0x00007FF8DB421000-memory.dmp

Filesize
10.8MB

Download
memory/4844-123-0x00007FF8DA960000-0x00007FF8DB421000-memory.dmp

Filesize
10.8MB

Download