MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2c173162ecb55aba0b9bdbb9e93bdf5073eea7cca02e25e2fe8c4483f852ec7e. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Formbook


Vendor detections: 15


Intelligence 15 IOCs YARA 6 File information Comments

SHA256 hash: 2c173162ecb55aba0b9bdbb9e93bdf5073eea7cca02e25e2fe8c4483f852ec7e
SHA3-384 hash: 5acae49f6aa5c8f0f4239d91ea48ec150bc869f7be48b3222d4571b2db10acd51e0d592b8cff065f24e58d71d64e015b
SHA1 hash: ec872f29c19d0199cf6e38e9fca06d8811bdb097
MD5 hash: a051129505cd62bd6f387c2c627c2a22
humanhash: speaker-pip-salami-mississippi
File name:2c173162ecb55aba0b9bdbb9e93bdf5073eea7cca02e25e2fe8c4483f852ec7e
Download: download sample
Signature Formbook
File size:176'640 bytes
First seen:2023-03-06 08:30:14 UTC
Last seen:2023-03-13 07:09:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:nLifM4usJiw5elZRXWaJdn1HQwqmfQpqvq/WYAIgKQ8Tnl:nguQ5kRXd1wwJopqvZS9L
Threatray 2'253 similar samples on MalwareBazaar
TLSH T16504AF36E741C071E2B312F5B67D1B7B843E2D343265A0A6E3E11AE16EA05E5B42D31F
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
202
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2c173162ecb55aba0b9bdbb9e93bdf5073eea7cca02e25e2fe8c4483f852ec7e
Verdict:
No threats detected
Analysis date:
2023-03-06 08:41:33 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Steal Google chrome login data
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 820499 Sample: cJ60LPckKr.exe Startdate: 06/03/2023 Architecture: WINDOWS Score: 100 43 Snort IDS alert for network traffic 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 6 other signatures 2->49 9 cJ60LPckKr.exe 2->9         started        process3 signatures4 53 Modifies the context of a thread in another process (thread injection) 9->53 55 Maps a DLL or memory area into another process 9->55 57 Sample uses process hollowing technique 9->57 59 2 other signatures 9->59 12 explorer.exe 9 10 9->12 injected process5 dnsIp6 31 autarbazar.xyz 198.54.115.141, 49698, 80 NAMECHEAP-NETUS United States 12->31 33 craftedinglass.com 185.199.220.38, 49701, 80 KRYSTALGR United Kingdom 12->33 35 17 other IPs or domains 12->35 61 System process connects to network (likely due to code injection or exploit) 12->61 63 Performs DNS queries to domains with low reputation 12->63 16 msiexec.exe 1 12 12->16         started        signatures7 process8 signatures9 37 Tries to steal Mail credentials (via file / registry access) 16->37 39 Modifies the context of a thread in another process (thread injection) 16->39 41 Maps a DLL or memory area into another process 16->41 19 cmd.exe 2 16->19         started        23 cmd.exe 1 16->23         started        process10 file11 29 C:\Users\user\AppData\Local\Temp\DB1, SQLite 19->29 dropped 51 Tries to harvest and steal browser information (history, passwords, etc) 19->51 25 conhost.exe 19->25         started        27 conhost.exe 23->27         started        signatures12 process13
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2023-03-06 09:07:49 UTC
AV detection:
30 of 38 (78.95%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:poub rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Unpacked files
SH256 hash:
2c173162ecb55aba0b9bdbb9e93bdf5073eea7cca02e25e2fe8c4483f852ec7e
MD5 hash:
a051129505cd62bd6f387c2c627c2a22
SHA1 hash:
ec872f29c19d0199cf6e38e9fca06d8811bdb097
Detections:
win_formbook_w0 win_formbook_auto win_formbook_g0
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Author:@malgamy12

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 2c173162ecb55aba0b9bdbb9e93bdf5073eea7cca02e25e2fe8c4483f852ec7e

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments