MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 232a16efaec47e6d4fc8f5318ed9d9d58198daef519f30a5d9147d38f293638c. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 232a16efaec47e6d4fc8f5318ed9d9d58198daef519f30a5d9147d38f293638c
SHA3-384 hash: 37173a7dc8c6ba321350f33f3155a4763a83f9dfc7d2aa83f0d48564ed0acc76409024a7d13171c268b6a5cadc84859a
SHA1 hash: a2b995f1d93a78d61bf60d539d9abb7ea9e368fc
MD5 hash: 536fbc4f18bd12f9d50d7cfa782df5a9
humanhash: michigan-blue-lemon-apart
File name:536fbc4f18bd12f9d50d7cfa782df5a9.exe
Download: download sample
Signature Formbook
File size:167'424 bytes
First seen:2022-04-06 16:31:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 3072:iSp2X23gWkg/dAMFewY+DV9kiYWc2+Wm8K3z5bf:iLgXaMFRXB9kixc5D3d
Threatray 15'180 similar samples on MalwareBazaar
TLSH T1F5F39F32D642C071E2B241F5F26D1B7B883E0D353355A0AAE7E11AE56EE05E5F42931F
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
240
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
formbook overlay 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.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Found 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
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 604181 Sample: fxjB2RUXfq.exe Startdate: 06/04/2022 Architecture: WINDOWS Score: 100 24 www.photocpr.net 2->24 26 www.atelierdesignstudio.com 2->26 28 atelierdesignstudio.com 2->28 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 5 other signatures 2->48 10 fxjB2RUXfq.exe 2->10         started        signatures3 process4 signatures5 50 Modifies the context of a thread in another process (thread injection) 10->50 52 Maps a DLL or memory area into another process 10->52 54 Sample uses process hollowing technique 10->54 56 2 other signatures 10->56 13 explorer.exe 10->13 injected process6 dnsIp7 30 aapnujunagadh.com 192.185.76.38, 49788, 80 UNIFIEDLAYER-AS-1US United States 13->30 32 domainparking-dnspod.cn 129.226.3.123, 49776, 80 TENCENT-NET-AP-CNTencentBuildingKejizhongyiAvenueCN Singapore 13->32 34 11 other IPs or domains 13->34 58 System process connects to network (likely due to code injection or exploit) 13->58 60 Performs DNS queries to domains with low reputation 13->60 17 msiexec.exe 13->17         started        signatures8 process9 signatures10 36 Self deletion via cmd delete 17->36 38 Modifies the context of a thread in another process (thread injection) 17->38 40 Maps a DLL or memory area into another process 17->40 20 cmd.exe 1 17->20         started        process11 process12 22 conhost.exe 20->22         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-04-06 16:32:13 UTC
File Type:
PE (Exe)
AV detection:
38 of 41 (92.68%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:gedc rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Unpacked files
SH256 hash:
232a16efaec47e6d4fc8f5318ed9d9d58198daef519f30a5d9147d38f293638c
MD5 hash:
536fbc4f18bd12f9d50d7cfa782df5a9
SHA1 hash:
a2b995f1d93a78d61bf60d539d9abb7ea9e368fc
Detections:
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:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

Web download

Formbook

Executable exe 232a16efaec47e6d4fc8f5318ed9d9d58198daef519f30a5d9147d38f293638c

(this sample)

  
Delivery method
Distributed via web download

Comments