44caliber | 93d019a96cfeb007a6baf5b8d463ebf36bc5dbaabe213e7df6189d566f813e82

General

Target

93d019a96cfeb007a6baf5b8d463ebf36bc5dbaabe213e7df6189d566f813e82.exe
Size

1.2MB
MD5

b3cdce3b009f3e939234082945e89807
SHA1

7129f64c79954ba3e764efd44eaf3567a541ccac
SHA256

93d019a96cfeb007a6baf5b8d463ebf36bc5dbaabe213e7df6189d566f813e82
SHA512

97ab0bc727fac0e3d5a5231266fc5de257f3ddbc614990ed487e41897847ceaf2e027e9f2e93fb44f077532e87f472d902b7f3ba70b75db904a66f706a428ecd
SSDEEP

24576:gFtCQinvekY81UmRAOO0+B+i/rOjX25RxQps2ARjTjMpXCYmJS:Wv5mRfO9bzOjX21QJA9H6CYX

Score

10^/10

44caliber discovery spyware stealer

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/899702716115329035/bngOeqo8LUOszmsJtzqpLnMtfNXAZr9oXhUZ9DwQPgZG1cj1Y0F0qgN18O94CQ_gvLSj

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
4	freegeoip.app
5	freegeoip.app

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1684	93d019a96cfeb007a6baf5b8d463ebf36bc5dbaabe213e7df6189d566f813e82.exe
1684	93d019a96cfeb007a6baf5b8d463ebf36bc5dbaabe213e7df6189d566f813e82.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	93d019a96cfeb007a6baf5b8d463ebf36bc5dbaabe213e7df6189d566f813e82.exe

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	93d019a96cfeb007a6baf5b8d463ebf36bc5dbaabe213e7df6189d566f813e82.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	93d019a96cfeb007a6baf5b8d463ebf36bc5dbaabe213e7df6189d566f813e82.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1684	93d019a96cfeb007a6baf5b8d463ebf36bc5dbaabe213e7df6189d566f813e82.exe
1684	93d019a96cfeb007a6baf5b8d463ebf36bc5dbaabe213e7df6189d566f813e82.exe
1684	93d019a96cfeb007a6baf5b8d463ebf36bc5dbaabe213e7df6189d566f813e82.exe
1684	93d019a96cfeb007a6baf5b8d463ebf36bc5dbaabe213e7df6189d566f813e82.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1684	93d019a96cfeb007a6baf5b8d463ebf36bc5dbaabe213e7df6189d566f813e82.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1684	93d019a96cfeb007a6baf5b8d463ebf36bc5dbaabe213e7df6189d566f813e82.exe

C:\Users\Admin\AppData\Local\Temp\93d019a96cfeb007a6baf5b8d463ebf36bc5dbaabe213e7df6189d566f813e82.exe
"C:\Users\Admin\AppData\Local\Temp\93d019a96cfeb007a6baf5b8d463ebf36bc5dbaabe213e7df6189d566f813e82.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\44\Browsers\Firefox\Bookmarks.txt

Filesize
105B

MD5
2e9d094dda5cdc3ce6519f75943a4ff4

SHA1
5d989b4ac8b699781681fe75ed9ef98191a5096c

SHA256
c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

SHA512
d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

Download Submit
C:\ProgramData\44\Process.txt

Filesize
475B

MD5
7644de2d0c9d865898cb396a0ce86322

SHA1
ea7313facb5cb06efc5572557c20215f253bb604

SHA256
604d705ef505c1c055e6c4b56f3e42618f5ee4b5731e26628a78fee745190cc8

SHA512
c87aa4f95272928a8d6a0a4e19ca795e99a05f7b6052058a99ad464a208b3aaf9d86fc5b68062702da372f3756c02720d7badd98822e622dadb6a287f97446b2

Download Submit
memory/1684-0-0x0000000000350000-0x00000000006FC000-memory.dmp

Filesize
3.7MB

Download
memory/1684-1-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

Filesize
4KB

Download
memory/1684-2-0x0000000000350000-0x00000000006FC000-memory.dmp

Filesize
3.7MB

Download
memory/1684-5-0x0000000074B10000-0x00000000751FE000-memory.dmp

Filesize
6.9MB

Download
memory/1684-56-0x0000000000350000-0x00000000006FC000-memory.dmp

Filesize
3.7MB

Download
memory/1684-57-0x0000000074B10000-0x00000000751FE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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