MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9427d6a503bb70704e5ed2ca5f2a10fe9422dd1e724e97034d4e3224364ccbc. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a9427d6a503bb70704e5ed2ca5f2a10fe9422dd1e724e97034d4e3224364ccbc
SHA3-384 hash: 1817bfac4171f36a27cdceb312b0e8f03e39d948a6622086b441fc1d2e25732f3b490de2d9e4e50978d4c0f005ba7ff0
SHA1 hash: 7f4707b66137d6bce410fe1d2b3971d483d39fa8
MD5 hash: 4ddfcc50ea3bee20747473686ee076f2
humanhash: coffee-tango-august-lamp
File name:alıntı yapmak.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:314'406 bytes
First seen:2021-12-03 14:05:46 UTC
Last seen:2021-12-03 15:24:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:rGiIFdUdP/2r89D3vIzQ6wzfoPpYDHClqvE1X5dQJHou0HzThd5kU:+d+PN9MzQ6wzfoP2BM1X5dluWzThd5kU
Threatray 12'053 similar samples on MalwareBazaar
TLSH T13C64236A3CC68627C4C1623508FFE73F7FBBD3A5293A1E076B851D6A1B610804C06B76
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
215
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
alıntı yapmak.exe
Verdict:
Suspicious activity
Analysis date:
2021-12-03 14:11:14 UTC
Tags:
installer
Link:
https://app.any.run/tasks/4b641986-e209-466c-80fb-b2b0b6d26a7a

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/211055/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/664/overview
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
60%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/61aa244d47ed217c012feeb2/reports/6072a971-140d-4442-94ee-e9cb39275f2c/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a0d8aa4f-5d13-4a5f-abd6-0c5c3f25f66b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/900897
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
Self deletion via cmd delete
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 533375 Sample: al#U0131nt#U0131 yapmak.exe Startdate: 03/12/2021 Architecture: WINDOWS Score: 100 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for dropped file 2->44 46 5 other signatures 2->46 10 al#U0131nt#U0131 yapmak.exe 17 2->10         started        process3 file4 32 C:\Users\user\AppData\...\reoepyhrfp.dll, PE32 10->32 dropped 58 Injects a PE file into a foreign processes 10->58 14 al#U0131nt#U0131 yapmak.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 34 www.selfshark.net 17->34 36 www.honorarytransportation.com 17->36 38 parking.namesilo.com 204.188.203.155, 49815, 80 ST-BGPUS United States 17->38 48 System process connects to network (likely due to code injection or exploit) 17->48 21 wscript.exe 17->21         started        24 autoconv.exe 17->24         started        26 autofmt.exe 17->26         started        signatures10 process11 signatures12 50 Self deletion via cmd delete 21->50 52 Modifies the context of a thread in another process (thread injection) 21->52 54 Maps a DLL or memory area into another process 21->54 56 Tries to detect virtualization through RDTSC time measurements 21->56 28 cmd.exe 1 21->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a9427d6a503bb70704e5ed2ca5f2a10fe9422dd1e724e97034d4e3224364ccbc/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2021-12-03 13:06:27 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vfbh22sqho3qobhf5uwkl4vbb7uuelor44sos4bu2trseq3ezs6a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
207b6109319a9405ea9d3a379332b73c67e99a649029654f73e2a61acfb84f03
Formbook
26b24cfe3b0bb84b26fc83ce689b74728ac61f32391772dcc76eab04cc7042b5
Formbook
2f07775ab256b6bd7dc726fdf62f96728f1b1c2f4b9696f633c81c3f4540f30d
Formbook
2f6e89afd122fb052c5ad063bfe784b854157f9ff99af0a8aae4b7d19641ff61
Formbook
3662913e3004f6e3811499a9877265b55fd4b99400607d2f4b4168dc2621f1ab
Formbook
75ed45b6037e84e9ab04fd54b551711c8765972a14a25da2acda47acd7b89ca8
Formbook
8e079aa4afe26627a784ac447071b5dcd460ba1393851199e21da312a6ff2f18
Formbook
99e25501d1c736865e766fe4e347cda8817f4005be1d7b0c336451b89be71ed2
Formbook
+ 12'043 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/211203-reeh8sgghq/
Behaviour
Enumerates physical storage devices
Unpacked files
SH256 hash:
a9427d6a503bb70704e5ed2ca5f2a10fe9422dd1e724e97034d4e3224364ccbc
MD5 hash:
4ddfcc50ea3bee20747473686ee076f2
SHA1 hash:
7f4707b66137d6bce410fe1d2b3971d483d39fa8
Link:
https://www.unpac.me/results/28cca7b1-be44-4c31-a591-6146e9b8893d/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/a9427d6a503b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.33
Link:
https://yomi.yoroi.company/submissions/a9427d6a503bb70704e5ed2ca5f2a10fe9422dd1e724e97034d4e3224364ccbc

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
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
Rule name:win_formbook_auto
Create hunting rule
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.

Malspam

Formbook

Executable exe a9427d6a503bb70704e5ed2ca5f2a10fe9422dd1e724e97034d4e3224364ccbc

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/211055/

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