MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e777d588f24e21fdcc3add6de5b93d5fb498b594a59f03d02b5a7880bc5d5180. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments

SHA256 hash: e777d588f24e21fdcc3add6de5b93d5fb498b594a59f03d02b5a7880bc5d5180
SHA3-384 hash: 84f35639504b2fefc5e1ad0cf3b24a71aa0414731e446d81e31609ddde19d3459e2c884d37ddcc9d109980db14b82f99
SHA1 hash: 3a7441cb83f5ca0732e8826f164c087b077a69a5
MD5 hash: 5ccd1492d563b11ffdfd66d51aa370b5
humanhash: pasta-leopard-two-river
File name:PO_A9164.EXE
Download: download sample
Signature Formbook
File size:438'272 bytes
First seen:2021-10-04 06:40:36 UTC
Last seen:2021-10-04 06:43:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:cbhdbMroO/lGquzY2ZmmjrmQGnHpnP6aupTzqfU0IgDKTTVz6TRvdqs0QC+VkTfW:IbMrQHzY2ZDgR6aKiIgDQVyYAkTfg
Threatray 9'850 similar samples on MalwareBazaar
TLSH T1239412AA73AF832DDCB987F5541029F2437A61452129D67C2E9D70EC3E233781AB0797
Reporter cocaman
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
144
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO_A9164.EXE
Verdict:
Malicious activity
Analysis date:
2021-10-04 06:41:36 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
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 496103 Sample: PO_A9164.EXE Startdate: 04/10/2021 Architecture: WINDOWS Score: 100 36 Multi AV Scanner detection for domain / URL 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 9 other signatures 2->42 10 PO_A9164.EXE 3 2->10         started        process3 file4 30 C:\Users\user\AppData\...\PO_A9164.EXE.log, ASCII 10->30 dropped 56 Tries to detect virtualization through RDTSC time measurements 10->56 58 Injects a PE file into a foreign processes 10->58 14 PO_A9164.EXE 10->14         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 14->17 injected process8 dnsIp9 32 www.realbadnastystories.site 209.17.116.163, 49818, 80 DEFENSE-NETUS United States 17->32 34 www.sodangwang.com 106.13.164.102, 49790, 80 BAIDUBeijingBaiduNetcomScienceandTechnologyCoLtd China 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 46 Uses ipconfig to lookup or modify the Windows network settings 17->46 21 ipconfig.exe 17->21         started        24 autochk.exe 17->24         started        signatures10 process11 signatures12 48 Self deletion via cmd delete 21->48 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 26 cmd.exe 1 21->26         started        process13 process14 28 conhost.exe 26->28         started       
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2021-10-02 08:31:16 UTC
AV detection:
16 of 45 (35.56%)
Threat level:
  2/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ergs rat spyware stealer suricata trojan
Behaviour
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.iselotech.com/ergs/
Unpacked files
SH256 hash:
7626706969e50e532ec6ef689ec5c63e64fbd7a49150902ad0545c2d64e90cdd
MD5 hash:
d0ceaa16b0e0688dc4f9bc77a271c5d0
SHA1 hash:
e55741457f77e7ecd2aca497c4df6aaaac300179
SH256 hash:
8284626bb324db0a4b2516f9b5dc1da92a26e6315f7a2fe771079a99021125fe
MD5 hash:
eaddb22aa4c81beb01cd9f45fb47809c
SHA1 hash:
dca3c2c7c76f332ad5cf31ab7be227de4e0aa6c8
SH256 hash:
4dc113d121008ca5ba6967ebdfb2ded5cc87d10af7457a3a4d5b7efd55e64b09
MD5 hash:
9d32e1b7b489eb9eb3df797954c81330
SHA1 hash:
bf2a2b7edf32547a3c0dd73c8a9d85786cd022c0
SH256 hash:
e777d588f24e21fdcc3add6de5b93d5fb498b594a59f03d02b5a7880bc5d5180
MD5 hash:
5ccd1492d563b11ffdfd66d51aa370b5
SHA1 hash:
3a7441cb83f5ca0732e8826f164c087b077a69a5
Malware family:
FormBook
Verdict:
Malicious
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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.

Malspam

Formbook

Executable exe e777d588f24e21fdcc3add6de5b93d5fb498b594a59f03d02b5a7880bc5d5180

(this sample)

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