44caliber | 93667713af8e23ecde25e78d05f762ecd77d8a7b8667ec78a3cafbf43d724c4f

General

Target
93667713af8e23ecde25e78d05f762ecd77d8a7b8667ec78a3cafbf43d724c4f.exe
Size 666KB
Sample220323-lfhz6abfe8
SHA256 93667713af8e23ecde25e78d05f762ecd77d8a7b8667ec78a3cafbf43d724c4f
MD5 92493532531788040b78f62f00c1d5d6
SHA1 e9a348440a7c42b4b9416830dba158f2c51fa68f
SHA512 b0b6e704ff091318de64a05ce66a029831cb091d95257b184486b5369d22369cc1121a6eff304abce254ad760ba29dbc7cfcb2cd12261a50050e7728415ff818
MD5 SHA1 SHA512

Score

10^/10

44caliber njrat hacked spyware stealer trojan

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/947445080342556692/k5eX_haEP42zYxqA0vzh33TmF53CrHI3NFO_LEsqnIXkOW8GqH66QMKAvOSZ3Fkkfhjh

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

127.0.0.1:25565

Mutex

Windows Update

Attributes

reg_key
Windows Update
splitter
|Hassan|

Signatures

44Caliber
An open source infostealer written in C#.
stealer 44caliber
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Executes dropped EXE 4 IoCs

pid	Process
1664	Server.exe
1824	OUPPO.exe
1756	Insidious.exe
2724	csgo.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	93667713af8e23ecde25e78d05f762ecd77d8a7b8667ec78a3cafbf43d724c4f.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	Server.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	csgo.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	csgo.exe

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
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

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
8	freegeoip.app
9	freegeoip.app

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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	Insidious.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	Insidious.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	OUPPO.exe
Key created	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	OUPPO.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1756	Insidious.exe
1756	Insidious.exe
1756	Insidious.exe
1756	Insidious.exe
1824	OUPPO.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
1664	Server.exe
2724	csgo.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	1756	Insidious.exe
Token: SeDebugPrivilege	1824	OUPPO.exe
Token: SeDebugPrivilege	2724	csgo.exe
Token: 33	2724	csgo.exe
Token: SeIncBasePriorityPrivilege	2724	csgo.exe
Token: 33	2724	csgo.exe
Token: SeIncBasePriorityPrivilege	2724	csgo.exe
Token: 33	2724	csgo.exe
Token: SeIncBasePriorityPrivilege	2724	csgo.exe
Token: 33	2724	csgo.exe
Token: SeIncBasePriorityPrivilege	2724	csgo.exe
Token: 33	2724	csgo.exe
Token: SeIncBasePriorityPrivilege	2724	csgo.exe
Token: 33	2724	csgo.exe
Token: SeIncBasePriorityPrivilege	2724	csgo.exe
Token: 33	2724	csgo.exe
Token: SeIncBasePriorityPrivilege	2724	csgo.exe
Token: 33	2724	csgo.exe
Token: SeIncBasePriorityPrivilege	2724	csgo.exe
Token: 33	2724	csgo.exe
Token: SeIncBasePriorityPrivilege	2724	csgo.exe
Token: 33	2724	csgo.exe
Token: SeIncBasePriorityPrivilege	2724	csgo.exe
Token: 33	2724	csgo.exe
Token: SeIncBasePriorityPrivilege	2724	csgo.exe
Token: 33	2724	csgo.exe
Token: SeIncBasePriorityPrivilege	2724	csgo.exe
Token: 33	2724	csgo.exe
Token: SeIncBasePriorityPrivilege	2724	csgo.exe
Token: 33	2724	csgo.exe
Token: SeIncBasePriorityPrivilege	2724	csgo.exe
Token: 33	2724	csgo.exe
Token: SeIncBasePriorityPrivilege	2724	csgo.exe
Token: 33	2724	csgo.exe
Token: SeIncBasePriorityPrivilege	2724	csgo.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 548 wrote to memory of 1664	548	93667713af8e23ecde25e78d05f762ecd77d8a7b8667ec78a3cafbf43d724c4f.exe	80
PID 548 wrote to memory of 1664	548	93667713af8e23ecde25e78d05f762ecd77d8a7b8667ec78a3cafbf43d724c4f.exe	80
PID 548 wrote to memory of 1664	548	93667713af8e23ecde25e78d05f762ecd77d8a7b8667ec78a3cafbf43d724c4f.exe	80
PID 548 wrote to memory of 1824	548	93667713af8e23ecde25e78d05f762ecd77d8a7b8667ec78a3cafbf43d724c4f.exe	81
PID 548 wrote to memory of 1824	548	93667713af8e23ecde25e78d05f762ecd77d8a7b8667ec78a3cafbf43d724c4f.exe	81
PID 548 wrote to memory of 1824	548	93667713af8e23ecde25e78d05f762ecd77d8a7b8667ec78a3cafbf43d724c4f.exe	81
PID 548 wrote to memory of 1756	548	93667713af8e23ecde25e78d05f762ecd77d8a7b8667ec78a3cafbf43d724c4f.exe	82
PID 548 wrote to memory of 1756	548	93667713af8e23ecde25e78d05f762ecd77d8a7b8667ec78a3cafbf43d724c4f.exe	82
PID 1664 wrote to memory of 2724	1664	Server.exe	84
PID 1664 wrote to memory of 2724	1664	Server.exe	84
PID 1664 wrote to memory of 2724	1664	Server.exe	84

C:\Users\Admin\AppData\Local\Temp\93667713af8e23ecde25e78d05f762ecd77d8a7b8667ec78a3cafbf43d724c4f.exe
"C:\Users\Admin\AppData\Local\Temp\93667713af8e23ecde25e78d05f762ecd77d8a7b8667ec78a3cafbf43d724c4f.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:548
- C:\Users\Admin\AppData\Local\Temp\Server.exe
  "C:\Users\Admin\AppData\Local\Temp\Server.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of WriteProcessMemory
  PID:1664
- - C:\Users\Admin\AppData\Local\Temp\csgo.exe
    "C:\Users\Admin\AppData\Local\Temp\csgo.exe"
    3⤵
    - Executes dropped EXE
    - Drops startup file
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:2724
- C:\Users\Admin\AppData\Local\Temp\OUPPO.exe
  "C:\Users\Admin\AppData\Local\Temp\OUPPO.exe"
  2⤵
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1824
- C:\Users\Admin\AppData\Local\Temp\Insidious.exe
  "C:\Users\Admin\AppData\Local\Temp\Insidious.exe"
  2⤵
  - Executes dropped EXE
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1756

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/548-130-0x0000000000400000-0x00000000004AA000-memory.dmp

Download

memory/1664-142-0x0000000000450000-0x0000000000462000-memory.dmp

Download

memory/1664-143-0x0000000004CD0000-0x0000000004D6C000-memory.dmp

Download

memory/1756-140-0x000002952A720000-0x000002952A76A000-memory.dmp

Download

memory/1756-144-0x00007FF804A70000-0x00007FF805531000-memory.dmp

Download

memory/1756-146-0x000002952AAC0000-0x000002952AAC2000-memory.dmp

Download

memory/1824-145-0x0000000005BF0000-0x0000000006194000-memory.dmp

Download

memory/1824-141-0x0000000000C60000-0x0000000000C84000-memory.dmp

Download

memory/1824-147-0x0000000005540000-0x00000000055D2000-memory.dmp

Download

memory/1824-148-0x00000000054F0000-0x00000000054FA000-memory.dmp

Download

memory/1824-149-0x0000000005640000-0x0000000005BE4000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads