MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e50ecaa156dcdcfd9144e660470385da6d44e5b1734fd44415cea067fd8b4417. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e50ecaa156dcdcfd9144e660470385da6d44e5b1734fd44415cea067fd8b4417
SHA3-384 hash: 6a12dd1543b3478cbf43610f46994529a4b2cacd3bb741c29cd03ad3ab1679cfa6f182fc8f6f31ba6c4bb522e2bafdea
SHA1 hash: df7ddec70e63f5d738201b5622e90e2bac566418
MD5 hash: c181e9eba5343cd1e28a78278d73018e
humanhash: comet-fix-speaker-echo
File name:Request For Quotation.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:485'888 bytes
First seen:2020-10-20 08:24:41 UTC
Last seen:2020-10-20 13:39:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:C0ubLYsJTWNw8/Ys5GHKpLua2e9A1GKZHNYPzodG5hu:C0ub1Tv8T5GHQtLA1GUKzodG3
Threatray 2'555 similar samples on MalwareBazaar
TLSH 8EA4014022FA6B32E2BE4BFA201C551D87F2548E7776F6580EE532E96691F804F5CD23
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: schwabe.gr
Sending IP: 103.141.138.124
From: Maria Moraitou <info@schwabe.gr>
Subject: Re: RFQ2739
Attachment: Request For Quotation.r00 (contains "Request For Quotation.exe")

Intelligence

File Origin
# of uploads :
3
# of downloads :
72
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/73336/
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.gc.16963.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/497312
Signature
Binary contains a suspicious time stamp
Initial sample is a PE file and has a suspicious name
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Svchost Process
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 AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 300848 Sample: Request For Quotation.exe Startdate: 20/10/2020 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 9 other signatures 2->43 10 Request For Quotation.exe 3 2->10         started        process3 file4 27 C:\Users\...\Request For Quotation.exe.log, ASCII 10->27 dropped 13 Request For Quotation.exe 10->13         started        process5 signatures6 51 Modifies the context of a thread in another process (thread injection) 13->51 53 Maps a DLL or memory area into another process 13->53 55 Sample uses process hollowing technique 13->55 57 Queues an APC in another process (thread injection) 13->57 16 explorer.exe 13->16 injected process7 dnsIp8 29 fdo.technology 34.102.136.180, 49744, 80 GOOGLEUS United States 16->29 31 matheusoliveiradesign.com 151.101.0.119, 49750, 80 FASTLYUS United States 16->31 33 4 other IPs or domains 16->33 35 System process connects to network (likely due to code injection or exploit) 16->35 20 svchost.exe 16->20         started        signatures9 process10 signatures11 45 Modifies the context of a thread in another process (thread injection) 20->45 47 Maps a DLL or memory area into another process 20->47 49 Tries to detect virtualization through RDTSC time measurements 20->49 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e50ecaa156dcdcfd9144e660470385da6d44e5b1734fd44415cea067fd8b4417/
Threat name:
ByteCode-MSIL.Trojan.Ymacco
Create hunting rule
Status:
Malicious
First seen:
2020-10-20 05:09:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
25 of 28 (89.29%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4uhmvikw3top3eke4zqeoa4f3jwujznronh5iravz2qgp7mliqlq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
5007dc70fdff0e6a544f49c91da3ce378772cb397cdbb0bb3af33f4acb714add
Formbook
73c2d8d44daa16a7b406b82cd5201483ae40404037e7a543ad91689cbced81ad
Formbook
93a0f97c3198a1ba4fafeb2c5fd7bd44f425cc5c9ad126880128d1ec22cc22ec
Formbook
967b55e37db72cbc0f7744c0d09f655b1bd9692a75931ba6879130a2c31c41f5
Formbook
9b9d8f51a8cf586b0380629f644676e0dce350466b06224523e01db393522339
Formbook
b8e4dfdddae3c40ef710797605631573fe5689ae296637a411a88f8f3c1d7389
Formbook
c611c4446e4604531e8e096508422fd01b23d26c424f9625d049e7edaf4f566a
Formbook
d4014ac2689b47f11708425cad3d8aa02dd05ee6d6745006156dffbe0a27b4be
Formbook
db53a27c43dddb419e9d058e6288f3c1e7fc7e4bd62e3bb048e7103dcf79d682
Formbook
f264e8bfb72842255656d3aebf39da5daa78192daf8a87950eee3d9034839b4e
Formbook
+ 2'545 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/201020-6796gzfz5e/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.premium-vitality.com/nko/
Unpacked files
SH256 hash:
e50ecaa156dcdcfd9144e660470385da6d44e5b1734fd44415cea067fd8b4417
MD5 hash:
c181e9eba5343cd1e28a78278d73018e
SHA1 hash:
df7ddec70e63f5d738201b5622e90e2bac566418
Link:
https://www.unpac.me/results/dee1c4d0-3c0a-4f91-a2ee-c596bedf4738/
SH256 hash:
31ce938626ccfb399fe1696710caf46d7ae9eb598b9d7d2aad719b594658469b
MD5 hash:
0aebe46040ceb011e78506d4985fe3de
SHA1 hash:
218ac1e7b14a66c604ec3042f8486bed9cd4c2c1
Link:
https://www.unpac.me/results/dee1c4d0-3c0a-4f91-a2ee-c596bedf4738/
SH256 hash:
0ce388f3799579a5c748e6f10cd151fb531f5f4d573408ec4c24c50e757c39cf
MD5 hash:
fd5973480b04b61af74fecdae575a4ad
SHA1 hash:
b9121149d5db07f47de7e19e35f272ed9cd205c8
Link:
https://www.unpac.me/results/dee1c4d0-3c0a-4f91-a2ee-c596bedf4738/
SH256 hash:
f5ef937687151af5127054455ff8ddeedba52a73b0da68008f8d2eaa2ba21ee4
MD5 hash:
77b5122a7d7f2d81efc2818c1e089ee2
SHA1 hash:
af448725effefb8ab50cba5fc3775e11effd8569
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/dee1c4d0-3c0a-4f91-a2ee-c596bedf4738/
Parent samples :
5007dc70fdff0e6a544f49c91da3ce378772cb397cdbb0bb3af33f4acb714add
967b55e37db72cbc0f7744c0d09f655b1bd9692a75931ba6879130a2c31c41f5
e50ecaa156dcdcfd9144e660470385da6d44e5b1734fd44415cea067fd8b4417
798fa0661cf2b36f6d0a4442ad217f36549a3398b7c7a885c683de0b8899b237
020f6782cf76a5a4f0fc561da8c503892094137b8e5df112005a31885cdc89ef
caae4001f524c83a5c3c3b7f7a56d3344d9de742eadbfc54bf3e7fda14354392
f50e15e064da178ab886f00bed99a6a96ae3574e5cdd70a08991788818038d11
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e50ecaa156dcdcfd9144e660470385da6d44e5b1734fd44415cea067fd8b4417

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
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Malspam

Formbook

r00 c5cee15e954a874f584c63652da213b2621127f95466f1382bece4776d6d5b18

Formbook

Executable exe e50ecaa156dcdcfd9144e660470385da6d44e5b1734fd44415cea067fd8b4417

(this sample)

  
Dropped by
MD5 9fe4f46954a4bc33c6edf2119ee5fc36
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/73336/
  
Dropped by
SHA256 c5cee15e954a874f584c63652da213b2621127f95466f1382bece4776d6d5b18

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