44caliber | 89e5c693e84a62055fcf6e38acb193d544c3347754a39d86ab7b6319742bb1f4

General

Target

89e5c693e84a62055fcf6e38acb193d544c3347754a39d86ab7b6319742bb1f4.exe
Size

303KB
MD5

dfad3bb86c4fd82c7f37a7fa5d0d49db
SHA1

81337a5e58495185a19adab14535054ceb8d38d7
SHA256

89e5c693e84a62055fcf6e38acb193d544c3347754a39d86ab7b6319742bb1f4
SHA512

f45d49fe8fd1165cb4be2b280cd395c6886d463460d860ef59bb82608fc7038e6c675337560953dcefc8d18e694fa2873143bd72b26011449f5a8020cc4ef887

Score

10^/10

44caliber spyware stealer

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/939242695203889253/K2Kjj5jZVJ0QGiMBHIT7L34EVSPW9XsX0tHuhdrgnQ-E319Do-SzXinJ4AzVIn0YszK4

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

Data from Local System
T1005

Credentials in Files
T1081
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1516 624 WerFault.exe 89e5c693e84a62055fcf6e38acb193d544c3347754a39d86ab7b6319742bb1f4.exe

pid	pid_target	process	target process
1516	624	WerFault.exe	89e5c693e84a62055fcf6e38acb193d544c3347754a39d86ab7b6319742bb1f4.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

89e5c693e84a62055fcf6e38acb193d544c3347754a39d86ab7b6319742bb1f4.exeWerFault.exe

pid	process
624	89e5c693e84a62055fcf6e38acb193d544c3347754a39d86ab7b6319742bb1f4.exe
624	89e5c693e84a62055fcf6e38acb193d544c3347754a39d86ab7b6319742bb1f4.exe
624	89e5c693e84a62055fcf6e38acb193d544c3347754a39d86ab7b6319742bb1f4.exe
1516	WerFault.exe
1516	WerFault.exe
1516	WerFault.exe
1516	WerFault.exe
1516	WerFault.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

WerFault.exe

pid process

1516 WerFault.exe

pid	process
1516	WerFault.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

89e5c693e84a62055fcf6e38acb193d544c3347754a39d86ab7b6319742bb1f4.exeWerFault.exe

description	pid	process
Token: SeDebugPrivilege	624	89e5c693e84a62055fcf6e38acb193d544c3347754a39d86ab7b6319742bb1f4.exe
Token: SeDebugPrivilege	1516	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

89e5c693e84a62055fcf6e38acb193d544c3347754a39d86ab7b6319742bb1f4.exe

description	pid	process	target process
PID 624 wrote to memory of 1516	624	89e5c693e84a62055fcf6e38acb193d544c3347754a39d86ab7b6319742bb1f4.exe	WerFault.exe
PID 624 wrote to memory of 1516	624	89e5c693e84a62055fcf6e38acb193d544c3347754a39d86ab7b6319742bb1f4.exe	WerFault.exe
PID 624 wrote to memory of 1516	624	89e5c693e84a62055fcf6e38acb193d544c3347754a39d86ab7b6319742bb1f4.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\89e5c693e84a62055fcf6e38acb193d544c3347754a39d86ab7b6319742bb1f4.exe
"C:\Users\Admin\AppData\Local\Temp\89e5c693e84a62055fcf6e38acb193d544c3347754a39d86ab7b6319742bb1f4.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:624

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 624 -s 1184
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1516

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/624-55-0x000007FEF56E3000-0x000007FEF56E4000-memory.dmp

Filesize
4KB

Download
memory/624-56-0x0000000001380000-0x00000000013D2000-memory.dmp

Filesize
328KB

Download
memory/624-57-0x000000001B1E0000-0x000000001B1E2000-memory.dmp

Filesize
8KB

Download
memory/1516-58-0x000007FEFBF31000-0x000007FEFBF33000-memory.dmp

Filesize
8KB

Download
memory/1516-59-0x0000000000410000-0x0000000000411000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads