MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 419d8b92dc042882bb3261de70dfe4a158bc9ca436c71f9bf330bb8a6917d04c. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 419d8b92dc042882bb3261de70dfe4a158bc9ca436c71f9bf330bb8a6917d04c
SHA3-384 hash: 2de13f94d583a249bbbcbf3eb44d12e703086a83b3e95ceeee10eb9bf3fe74d9a96639e347de202b362e1376d9e7d06e
SHA1 hash: 1329de0499fabc6fcffd4fa02864968acaac253e
MD5 hash: c13f1850e9d955f826620bd1ae322368
humanhash: quiet-tennis-oven-bacon
File name:Purchase Order.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:938'496 bytes
First seen:2021-07-22 11:16:11 UTC
Last seen:2021-07-22 13:03:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:a+pvoEou45e3hi0CnMBUajS9VF/yEWmym5sD+cSMPQipP5q:a+pvZGe3encUNjFaEWmfipQ
Threatray 6'706 similar samples on MalwareBazaar
TLSH T181159D125ECF865EC2684DBA9731AC5682314CAA2549F3132EC174FDD93F2EDC99F602
dhash icon f8dcbeffbffecee8 (13 x AgentTesla, 7 x Formbook, 5 x Loki)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
124
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order.exe
Verdict:
Malicious activity
Analysis date:
2021-07-22 11:23:12 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/0024d666-b2f6-4658-b90d-63a71e8e81bf

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/173285/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.946.21942.21251.UNOFFICIAL
Create hunting rule

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:
Malicious
Link:
https://analyze.intezer.com/analyses/796e4251-97b7-41e0-8fff-48ea6cfc8894
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/820065
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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: 452476 Sample: Purchase Order.exe Startdate: 22/07/2021 Architecture: WINDOWS Score: 100 31 www.abusinesssystems.com 2->31 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 9 other signatures 2->41 11 Purchase Order.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\Purchase Order.exe.log, ASCII 11->29 dropped 51 Injects a PE file into a foreign processes 11->51 15 Purchase Order.exe 11->15         started        signatures6 process7 signatures8 53 Modifies the context of a thread in another process (thread injection) 15->53 55 Maps a DLL or memory area into another process 15->55 57 Sample uses process hollowing technique 15->57 59 Queues an APC in another process (thread injection) 15->59 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.deux-studios.com 18->33 43 System process connects to network (likely due to code injection or exploit) 18->43 22 cscript.exe 18->22         started        signatures11 process12 signatures13 45 Modifies the context of a thread in another process (thread injection) 22->45 47 Maps a DLL or memory area into another process 22->47 49 Tries to detect virtualization through RDTSC time measurements 22->49 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/419d8b92dc042882bb3261de70dfe4a158bc9ca436c71f9bf330bb8a6917d04c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-07-22 01:02:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
19 of 27 (70.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=igoyxew4aquifozsmhphbx7eufmlzhfeg3dr7g7tgc5yu2ix2bga._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
48c48701e841f502a2b6740f73e15c20a1bc0d4b840c9f889f93638ac388d162
Formbook
4c0c8cbb0e933f865862852967071eb6908bca3c610d2b14a77149d756db00fe
Formbook
8943af6c4da94f93c169ef98a7b8393ca92b01753e89ea5503d5740bcc45296d
Formbook
92fee75dbfa7cb48d837b580cc3544832cf116d9991ac9cd0135cef22e535510
Formbook
98f8f84dbf9e3a4462066c94e447ba3bdc6bc3d0119511e8c6d6cea0234f885c
Formbook
abb3fcb252b5c9e7aa022a3f16409b3f4b6dee5db0fe553b0cdda5ecc30eefad
Formbook
d476f0d6936a06df598e0d45e9b80a4bc1e97880fd72351ecbde5fcb0dd2a96f
Formbook
+ 6'696 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210722-ln67kvfrvx/
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
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.valiantfinancial.net/hth0/
Unpacked files
SH256 hash:
c5a468677b7bc387a0f67d6f8badb1e4c26812a63a206ba2c004568a7fd953d5
MD5 hash:
3a6261137425bb8d7ffa6ca1a6ecfe4c
SHA1 hash:
e4331c5e2c61c3e5461b6c1e7106ffd200c83f4c
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/4be7629f-bc89-41a4-bb7a-81c5e4ebf331/
Parent samples :
d476f0d6936a06df598e0d45e9b80a4bc1e97880fd72351ecbde5fcb0dd2a96f
4c0c8cbb0e933f865862852967071eb6908bca3c610d2b14a77149d756db00fe
abb3fcb252b5c9e7aa022a3f16409b3f4b6dee5db0fe553b0cdda5ecc30eefad
48c48701e841f502a2b6740f73e15c20a1bc0d4b840c9f889f93638ac388d162
419d8b92dc042882bb3261de70dfe4a158bc9ca436c71f9bf330bb8a6917d04c
90e7c97ea4917a6efb5c0a69bd6f481b1a5023d6f8ad0f22d123c417edff8a68
SH256 hash:
c362729899c5956cfa9fc3bcf9b21ac72066a1b84a497ceb1281f76e2f55c54b
MD5 hash:
0327d1374a5ce015ad9c83c5de76e823
SHA1 hash:
e521349d9e96a4191248747c42c78b6f88fc8f63
Link:
https://www.unpac.me/results/4be7629f-bc89-41a4-bb7a-81c5e4ebf331/
SH256 hash:
5fde70a5d46733426ab849522b969f23dd95570e59d356ede0d0aa83c4c2213d
MD5 hash:
e3c38ff911026c07fb0444c0368d6b53
SHA1 hash:
5976d3923db5f11de72c05f3fd86ef219d5e28a3
Link:
https://www.unpac.me/results/4be7629f-bc89-41a4-bb7a-81c5e4ebf331/
SH256 hash:
419d8b92dc042882bb3261de70dfe4a158bc9ca436c71f9bf330bb8a6917d04c
MD5 hash:
c13f1850e9d955f826620bd1ae322368
SHA1 hash:
1329de0499fabc6fcffd4fa02864968acaac253e
Link:
https://www.unpac.me/results/4be7629f-bc89-41a4-bb7a-81c5e4ebf331/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.71
Link:
https://yomi.yoroi.company/submissions/419d8b92dc042882bb3261de70dfe4a158bc9ca436c71f9bf330bb8a6917d04c

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: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 419d8b92dc042882bb3261de70dfe4a158bc9ca436c71f9bf330bb8a6917d04c

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/173285/

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