MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2cb7c7c1cb918607912be236d42152a8f9d5347cabf4e815940f2b85c5d9f026. 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 3 File information Comments

SHA256 hash: 2cb7c7c1cb918607912be236d42152a8f9d5347cabf4e815940f2b85c5d9f026
SHA3-384 hash: 5faef863911e4283a0dda2eef4a50c1ccd02f26a6ca3da8c05dde3fd9ab6a0de8f557e95251f41004a9860685a47677d
SHA1 hash: f294cb34db5a3a40b2f3ce054220746fb47ab9f2
MD5 hash: 3b6c42f05964fe8f2625c9a812651305
humanhash: fish-idaho-single-zulu
File name:PO pdf.exe
Download: download sample
Signature Formbook
File size:841'216 bytes
First seen:2021-08-30 13:43:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:s5oe6E5G3lQ1ONKigEieHbfZ1FgZoA2k5txnf:QUE5G3AiDHTIn
Threatray 8'618 similar samples on MalwareBazaar
TLSH T1BB053C7E19BDA227C161C6F58BE38423F0508B6F3110A96476D357664332A7AB5F332E
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
208
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-08-30 13:50:20 UTC
Tags:
trojan formbook stealer

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

Behaviour
Creating a window
DNS request
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus detection for URL or domain
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
Queues an APC in another process (thread injection)
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 474034 Sample: PO pdf.exe Startdate: 30/08/2021 Architecture: WINDOWS Score: 100 32 www.villa-sardi.com 2->32 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 11 other signatures 2->48 9 PO pdf.exe 3 2->9         started        signatures3 process4 dnsIp5 40 192.168.2.1 unknown unknown 9->40 30 C:\Users\user\AppData\...\PO pdf.exe.log, ASCII 9->30 dropped 13 PO pdf.exe 9->13         started        16 PO pdf.exe 9->16         started        18 PO pdf.exe 9->18         started        file6 process7 signatures8 60 Modifies the context of a thread in another process (thread injection) 13->60 62 Maps a DLL or memory area into another process 13->62 64 Queues an APC in another process (thread injection) 13->64 20 help.exe 13->20         started        23 explorer.exe 13->23 injected 26 cmd.exe 1 16->26         started        process9 dnsIp10 50 Self deletion via cmd delete 20->50 52 Modifies the context of a thread in another process (thread injection) 20->52 54 Maps a DLL or memory area into another process 20->54 56 Tries to detect virtualization through RDTSC time measurements 20->56 34 www.sexcam-live-sex.net 162.255.119.93, 49724, 80 NAMECHEAP-NETUS United States 23->34 36 whyyousuckatgolfmovie.com 184.168.131.241, 49720, 80 AS-26496-GO-DADDY-COM-LLCUS United States 23->36 38 5 other IPs or domains 23->38 58 System process connects to network (likely due to code injection or exploit) 23->58 28 conhost.exe 26->28         started        signatures11 process12
Threat name:
ByteCode-MSIL.Trojan.Heracles
Status:
Malicious
First seen:
2021-08-30 13:42:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
13 of 46 (28.26%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:k8b5 loader rat suricata
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.chongzhi365.com/k8b5/
Unpacked files
SH256 hash:
c0ee1071e444f415f8b62856a0896f3b22e563f1bb4f03d14142583efe49a565
MD5 hash:
29db2e114b88ae1f6a00c9aa71690043
SHA1 hash:
ec82db71443556a5b320357b0b8b09e70ec1db9c
SH256 hash:
a7ce556e423b27fea183f273fc52319a75721be161cbe7dd41aff3a81fd4769e
MD5 hash:
87cc94c9de5521bee6ae4d0b394cf49d
SHA1 hash:
aade94312537bf99c3281eaa143e071f51ab50e2
SH256 hash:
2cb7c7c1cb918607912be236d42152a8f9d5347cabf4e815940f2b85c5d9f026
MD5 hash:
3b6c42f05964fe8f2625c9a812651305
SHA1 hash:
f294cb34db5a3a40b2f3ce054220746fb47ab9f2
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:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

  
Delivery method
Other

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