MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d634969bc2a0130a49885595394a5543e8a21458db2474dc909431b3ca9d0df4. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d634969bc2a0130a49885595394a5543e8a21458db2474dc909431b3ca9d0df4
SHA3-384 hash: 3b2055da63443502809a3897f8b4e52a6e7cbe68190f7b558d174c85dce3949dce29643c3654c720b736de826bb09bcc
SHA1 hash: 3ad252d19fd95dad926d426662a0d5168a94133d
MD5 hash: 79dae9895308abef58a532de53032573
humanhash: mountain-indigo-fruit-cola
File name:Purchase Order.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:740'864 bytes
First seen:2021-09-04 06:20:14 UTC
Last seen:2021-09-04 07:17:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:CxbMVu2+YQTn7XtVnjBLMUchPlgKGVEeTWO++A:Cxb3Ya795jBQzH
Threatray 8'932 similar samples on MalwareBazaar
TLSH T1F4F40E3E18FE232BD175C7EACBE04413B6909C6F3132A96557D677654336A42B8C322E
dhash icon 732f5b6d6d677361 (11 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
264
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order.exe
Verdict:
Malicious activity
Analysis date:
2021-09-04 06:22:18 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/b72a6ef0-3d83-4bef-9f1e-29235d2f6be2

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/185258/
Detection(s):
SecuriteInfo.com.Variant.Bulz.663470.22051.19504.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/73242b0d-0ecf-43fa-a147-10d24b64f2ce
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/845153
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
Initial sample is a PE file and has a suspicious name
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)
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
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 477584 Sample: Purchase Order.exe Startdate: 04/09/2021 Architecture: WINDOWS Score: 100 31 www.piadineriae45.com 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 10 other signatures 2->45 11 Purchase Order.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\Purchase Order.exe.log, ASCII 11->29 dropped 59 Injects a PE file into a foreign processes 11->59 15 Purchase Order.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.history-at-home.com 46.101.149.79, 49742, 80 DIGITALOCEAN-ASNUS Netherlands 18->33 35 www.wewearthepants.com 104.21.42.248, 49744, 80 CLOUDFLARENETUS United States 18->35 37 11 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 49 Performs DNS queries to domains with low reputation 18->49 22 systray.exe 18->22         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 22->51 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d634969bc2a0130a49885595394a5543e8a21458db2474dc909431b3ca9d0df4/
Threat name:
ByteCode-MSIL.Trojan.Sabsik
Create hunting rule
Status:
Malicious
First seen:
2021-09-04 01:49:43 UTC
AV detection:
12 of 43 (27.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2y2jng6cuajqusmikwktsssvipukefcy3mshjxeqsqy3hsu5bx2a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
4d7e4cedde9a2c613ef907b1fd8c9790e349ae738350d90cfb6c129ef689c159
Formbook
80df303ae126ce28b9d4161060f164c1636c4b63dc02f7d2befdf6f45737ff12
Formbook
84fc1635313dd47492ef1841d82c4cf286b38ba772240e587ee0f7ebdeae1986
Formbook
ac67dec533d5b06a41145ba39ea674e30ed03bd09dabee9e0417bef18943edd7
Formbook
b7fc471e982d86cd36e4704bb9e5ee9496c06de4d1a2c2c3c3dad7862a3a5392
Formbook
dcecd1b58a58ae82c43536488a6e46a5535b71d49d21c909e2488d0f102388a7
Formbook
ecbd46c265b67d75964db9233ccd1f26710d56ab7f649845e44f59d55db4251b
Formbook
+ 8'922 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:bp39 loader rat suricata
Link:
https://tria.ge/reports/210904-g4btjahbam/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
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.piadineriae45.com/bp39/
Unpacked files
SH256 hash:
43e17cf28e166e617e193d2374f0b186363c494236ff53ea598d1adad91a56c7
MD5 hash:
802a63480adc220977c8b7260d143128
SHA1 hash:
e3c58087d36e834cc66f65498184b5f94df1d112
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/b011c136-1f58-45ae-b984-32dab142da4f/
Parent samples :
84fc1635313dd47492ef1841d82c4cf286b38ba772240e587ee0f7ebdeae1986
dcecd1b58a58ae82c43536488a6e46a5535b71d49d21c909e2488d0f102388a7
b7fc471e982d86cd36e4704bb9e5ee9496c06de4d1a2c2c3c3dad7862a3a5392
73c9e89d51022a4059395c2849313595439ca715a36d7383e9708bc6421aa628
4d7e4cedde9a2c613ef907b1fd8c9790e349ae738350d90cfb6c129ef689c159
f7f840a7d6ed87875a6376dedef3386e491cfafd01011f27f21b0b2b73a0d6ba
898e39ebe6bdfed0d216a54673ae93fe5349b1addd89e2891b969ff3745536f3
4e86e4c898bee9c454d8bdef33a2ece96c8da7c2605ec31560ed5006e1b9d83e
db33772c98a3b201320bf4b88830aa7ec9e2c85797cf4460ab67f8d4d93964f4
ac67dec533d5b06a41145ba39ea674e30ed03bd09dabee9e0417bef18943edd7
80df303ae126ce28b9d4161060f164c1636c4b63dc02f7d2befdf6f45737ff12
ecbd46c265b67d75964db9233ccd1f26710d56ab7f649845e44f59d55db4251b
d634969bc2a0130a49885595394a5543e8a21458db2474dc909431b3ca9d0df4
SH256 hash:
5bc5d6c534dba22e78aa57adb8f2c9fc126e330118a55a81bf6066c569ff91fc
MD5 hash:
e7c07039426fa43227be7ba058b38aec
SHA1 hash:
f561cdb80f10b609da1cfe43dfe5471763a29b30
Link:
https://www.unpac.me/results/b011c136-1f58-45ae-b984-32dab142da4f/
SH256 hash:
758763d712c27c53a8b85de07582c9a250638b557e8dcfbae7c278f810241ac1
MD5 hash:
8b7d29dc138f646510a835ffc76e6796
SHA1 hash:
bff289517dc53acc9e172e3445fc87d82f8ee351
Link:
https://www.unpac.me/results/b011c136-1f58-45ae-b984-32dab142da4f/
SH256 hash:
d634969bc2a0130a49885595394a5543e8a21458db2474dc909431b3ca9d0df4
MD5 hash:
79dae9895308abef58a532de53032573
SHA1 hash:
3ad252d19fd95dad926d426662a0d5168a94133d
Link:
https://www.unpac.me/results/b011c136-1f58-45ae-b984-32dab142da4f/
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/d634969bc2a0130a49885595394a5543e8a21458db2474dc909431b3ca9d0df4

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
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.

Malspam

Formbook

Executable exe d634969bc2a0130a49885595394a5543e8a21458db2474dc909431b3ca9d0df4

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/185258/

Comments