MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90b68aa14301d8c578cb7f9a4e3536b54c399f346aed82f19682604f31823cd5. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 90b68aa14301d8c578cb7f9a4e3536b54c399f346aed82f19682604f31823cd5
SHA3-384 hash: 3b463e28c8f9cbcf60d583ac5ffaee172292e83ea1b32e567a68c3b1be3d536beb9288134de5b5bdcc9596417ac16370
SHA1 hash: 3a026905e877fec59df9b1a55d23fa7cd2ef4210
MD5 hash: 054f8419580d8c205cff7228f44db3af
humanhash: gee-pennsylvania-colorado-idaho
File name:triage_dropped_file
Download: download sample
Signature Formbook
Create hunting rule
File size:582'656 bytes
First seen:2021-12-22 15:12:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:DttlwPtNApepdzpT1T0EnPD4uR8cWqag/j1fq1LFU0G8VptMtGG:DtEPtNAcpdt1QEnL4uRksvGG
Threatray 12'455 similar samples on MalwareBazaar
TLSH T1B8C4CF5CF711B4DFC81BCA3AD8741C20AF61E477924FD75BA04722A99D0D2878E1A8E7
File icon (PE):PE icon
dhash icon b3b3333969693b3b (69 x Formbook, 63 x AgentTesla, 26 x Loki)
Reporter malwarelabnet
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
160
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order.doc
Verdict:
Malicious activity
Analysis date:
2021-12-21 14:14:52 UTC
Tags:
exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/6b715964-9c88-49b8-88b8-799718d6affb

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/215807/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS 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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61c34080ec6c6c14a9ea4319/reports/a7b24c31-5052-41bd-9f6b-494809130dca/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b72bd6d2-867c-4d1a-a902-a0ab367a34d2
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/911594
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 544073 Sample: triage_dropped_file Startdate: 22/12/2021 Architecture: WINDOWS Score: 100 35 www.aa7rsnj.xyz 2->35 37 www.tikahiri.com 2->37 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus detection for URL or domain 2->53 57 6 other signatures 2->57 10 triage_dropped_file.exe 3 2->10         started        signatures3 55 Performs DNS queries to domains with low reputation 35->55 process4 file5 33 C:\Users\user\...\triage_dropped_file.exe.log, ASCII 10->33 dropped 67 Writes to foreign memory regions 10->67 69 Allocates memory in foreign processes 10->69 71 Tries to detect virtualization through RDTSC time measurements 10->71 73 Injects a PE file into a foreign processes 10->73 14 BackgroundTransferHost.exe 13 10->14         started        16 triage_dropped_file.exe 10->16         started        19 triage_dropped_file.exe 10->19         started        signatures6 process7 signatures8 21 help.exe 14->21         started        24 explorer.exe 14->24 injected 41 Modifies the context of a thread in another process (thread injection) 16->41 43 Maps a DLL or memory area into another process 16->43 45 Sample uses process hollowing technique 16->45 47 Queues an APC in another process (thread injection) 16->47 process9 signatures10 59 Self deletion via cmd delete 21->59 61 Modifies the context of a thread in another process (thread injection) 21->61 63 Maps a DLL or memory area into another process 21->63 65 Tries to detect virtualization through RDTSC time measurements 21->65 26 explorer.exe 2 152 21->26         started        29 cmd.exe 1 21->29         started        process11 dnsIp12 39 192.168.2.1 unknown unknown 26->39 31 conhost.exe 29->31         started        process13
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/90b68aa14301d8c578cb7f9a4e3536b54c399f346aed82f19682604f31823cd5/
Threat name:
ByteCode-MSIL.Trojan.Tnega
Create hunting rule
Status:
Malicious
First seen:
2021-12-21 21:31:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
21 of 27 (77.78%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
02a852aaa839120b0e557629b63a754cb302ebe2f11275d3e4fb68f4f1e70532
Formbook
0fae331eb46ca1a2971d2d03cc3558e51f73c36d14b70dd731ce44f799c723ef
Formbook
125a3d1084a3f13ca811f5fbecdbade8d6e2b2c5d73a686674c6ff244ec99f68
Formbook
6876e8698f67c2b477c89b891199d3485051a14f52284f39e35a8e8057f53fae
Formbook
71b4619d3dd4bb8e3619a2ebfe39f71c728d0d723992e44c8564dab8e8035b28
Formbook
8cacd20da785153237d5602e9fb15f7d18343b16e37dfbbf36b549e89a93378f
Formbook
cb13b76515eda9a32e999b61c7e11e01de16ebeaf9ae6c503a1a0d238bc5bf37
Formbook
ecc6439ff97e4b77f3af320e4c224f712478610fd28a1b6e6a03573c4b90f405
Formbook
+ 12'445 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:m1x9 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/211222-slrmtagdaj/
Behaviour
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 SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
217d023c1ce88ff81a11918437063a7c18eb3ba1a3a97e15a9abca2047a53696
MD5 hash:
7492ba85c9fe2c964c7fa7fd13c2eed3
SHA1 hash:
856e9f14d9d20b3a6bff691daf4a90e20e04d372
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/c27e8117-7ca3-4ade-bdb8-731eca9fea72/
Parent samples :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 hash:
cc863038dfc58d37276a1f1cb952870d6a2cd81a7ac72d3ed7021e5c5aa1c8f0
MD5 hash:
2c5570f3b591aa1fd57f5ec62ab89b76
SHA1 hash:
7a451b030d1acef0a149e333ba9df225fc5494d1
Link:
https://www.unpac.me/results/c27e8117-7ca3-4ade-bdb8-731eca9fea72/
SH256 hash:
112673ce876648e275a70c1f7ef6eb744c6835fe13a7ac6b34a1b336c5b0b292
MD5 hash:
f664d8c1245921da6f20971e40880bc3
SHA1 hash:
0e7065979bfcf922d8e7dec46f21ce57970147d8
Link:
https://www.unpac.me/results/c27e8117-7ca3-4ade-bdb8-731eca9fea72/
SH256 hash:
90b68aa14301d8c578cb7f9a4e3536b54c399f346aed82f19682604f31823cd5
MD5 hash:
054f8419580d8c205cff7228f44db3af
SHA1 hash:
3a026905e877fec59df9b1a55d23fa7cd2ef4210
Link:
https://www.unpac.me/results/c27e8117-7ca3-4ade-bdb8-731eca9fea72/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/90b68aa14301/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/90b68aa14301d8c578cb7f9a4e3536b54c399f346aed82f19682604f31823cd5

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
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

Formbook

Executable exe 90b68aa14301d8c578cb7f9a4e3536b54c399f346aed82f19682604f31823cd5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1862603/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/215807/

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