MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2dce266f65b63c927ddf95e71bb0d226eb1c8b260ba8a6965ba1352e9fa837af. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2dce266f65b63c927ddf95e71bb0d226eb1c8b260ba8a6965ba1352e9fa837af
SHA3-384 hash: 6ec316583387ea517206f18c17601121c551e89a0180be3eb8aa819203506d36ff3f5864d8435300590bfd793a3f5e0d
SHA1 hash: b2726a921dcc1837e897944c6ce2492084e764f0
MD5 hash: 32d902404889e352b0ee10182c737a69
humanhash: sweet-mobile-sixteen-foxtrot
File name:Purchase Order _pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:896'000 bytes
First seen:2021-02-10 14:15:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:FhZd8fWJWprrDlkJaWBDn5MBK92+bPGv2iD/EadhH:GWEpr1kJzmBM2+KTE+h
Threatray 3'813 similar samples on MalwareBazaar
TLSH F215BE35F649AA31F0AC373789B09B7046BEAC01A921D92E3DE9369D1175BDC44E3E43
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
133
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order _pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-02-10 14:20:57 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/658737bb-194a-45c6-ae82-ada5c1942db3

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/116573/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/604625
Signature
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 351346 Sample: Purchase Order _pdf.exe Startdate: 10/02/2021 Architecture: WINDOWS Score: 100 40 www.huiduog.com 2->40 42 cdn.onenote.net 2->42 50 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 11 other signatures 2->56 11 Purchase Order _pdf.exe 7 2->11         started        signatures3 process4 file5 32 C:\Users\user\AppData\Roaming\VGKutrct.exe, PE32 11->32 dropped 34 C:\Users\...\VGKutrct.exe:Zone.Identifier, ASCII 11->34 dropped 36 C:\Users\user\AppData\Local\...\tmp59B9.tmp, XML 11->36 dropped 38 C:\Users\user\...\Purchase Order _pdf.exe.log, ASCII 11->38 dropped 14 Purchase Order _pdf.exe 11->14         started        17 schtasks.exe 1 11->17         started        process6 signatures7 66 Modifies the context of a thread in another process (thread injection) 14->66 68 Maps a DLL or memory area into another process 14->68 70 Sample uses process hollowing technique 14->70 72 Queues an APC in another process (thread injection) 14->72 19 explorer.exe 14->19 injected 23 conhost.exe 17->23         started        process8 dnsIp9 44 www.txcxxx.com 156.224.53.105, 49749, 80 VPSQUANUS Seychelles 19->44 46 www.brpodiatrist2.com 162.209.66.142, 49741, 80 RMH-14US United States 19->46 48 7 other IPs or domains 19->48 58 System process connects to network (likely due to code injection or exploit) 19->58 25 cmmon32.exe 19->25         started        signatures10 process11 signatures12 60 Modifies the context of a thread in another process (thread injection) 25->60 62 Maps a DLL or memory area into another process 25->62 64 Tries to detect virtualization through RDTSC time measurements 25->64 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2dce266f65b63c927ddf95e71bb0d226eb1c8b260ba8a6965ba1352e9fa837af/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2021-02-09 21:22:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fxhcm33fwy6je7o7sxtrxmgse3vrzczgbouknfs3ue2s5h5ig6xq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2a5b157dc8c983424ebc3a69962649236e17001585de6280cf11f4d94742d28e
Formbook
3550ff88757875f1e8566d7855eacb36fa3213a1537d4125555bc71a88d55018
Formbook
48d3a3e4c8e3ee8168d1f0b24f1d57ba7f7f66628f7f81ee9dab9f9f26aadfd7
Formbook
726a32ca7c910d88e59d2d2364def087b00b9c869ef29926016884def6457b6b
Formbook
72c822dc6059af0f57f65a9e52a509e30caefe4225367c3eec186f013134d54f
Formbook
7c8c0bb9a552f62aa1ef1e5c037ef17b2064055d15025eea8c6b2b5ccd54f10e
Formbook
c8c864915e84ba7ec98eed5ed70893bcb5b328e59751694595a71b303ea587aa
Formbook
cc768b0d5c345d446eacb21922c6561e763015cc6782fdde5a051e1d4fe56acf
Formbook
da2b43b42246980530438667562ee8d128b2b748e817c03519157f9ba7a67ca2
Formbook
f8a388fc032aa7fdf80ed5bad850e3429ee27614bd6152efaa090fc77ad3bc6a
Formbook
+ 3'803 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook ransomware rat spyware stealer trojan
Link:
https://tria.ge/reports/210210-66vg9bl9ej/
Behaviour
Creates scheduled task(s)
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.brasilseo.com/bft/
Unpacked files
SH256 hash:
d24e66e58c2c85b4f7ed37422e189f85fc64cfdc4acecfca8324c6d0c57eaba7
MD5 hash:
1d3bee0d88895bc916980c8e277e950e
SHA1 hash:
912db89d8fde5a72e286810dfa5177a6f8e202e9
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/98ce67fb-305a-4ff8-b759-6e0195608e05/
Parent samples :
7c8c0bb9a552f62aa1ef1e5c037ef17b2064055d15025eea8c6b2b5ccd54f10e
cddf575d340c695e513d03330965f716f8ddf17f5d2fb0929fbb78875653d8b7
72c822dc6059af0f57f65a9e52a509e30caefe4225367c3eec186f013134d54f
48d3a3e4c8e3ee8168d1f0b24f1d57ba7f7f66628f7f81ee9dab9f9f26aadfd7
c8c864915e84ba7ec98eed5ed70893bcb5b328e59751694595a71b303ea587aa
3550ff88757875f1e8566d7855eacb36fa3213a1537d4125555bc71a88d55018
726a32ca7c910d88e59d2d2364def087b00b9c869ef29926016884def6457b6b
cc768b0d5c345d446eacb21922c6561e763015cc6782fdde5a051e1d4fe56acf
2a5b157dc8c983424ebc3a69962649236e17001585de6280cf11f4d94742d28e
2dce266f65b63c927ddf95e71bb0d226eb1c8b260ba8a6965ba1352e9fa837af
SH256 hash:
6fcf7e8aa87e44e2fd15e62b2238db92ed8686fcc61ccabca15474266a97dc95
MD5 hash:
dd8282a3ea92d079273af6487fc63eea
SHA1 hash:
c6d858c7d044cf4fc30116cd3349c72f9c508e35
Link:
https://www.unpac.me/results/98ce67fb-305a-4ff8-b759-6e0195608e05/
SH256 hash:
60991e1920ee369bdd693d500590855f0b1805ef830f762e55b6c508db8e7d5a
MD5 hash:
1d5c1a2e830961f189a772496b812438
SHA1 hash:
0dc53407a9b0c22df7444bbe0f1b1843be0cc445
Link:
https://www.unpac.me/results/98ce67fb-305a-4ff8-b759-6e0195608e05/
SH256 hash:
2dce266f65b63c927ddf95e71bb0d226eb1c8b260ba8a6965ba1352e9fa837af
MD5 hash:
32d902404889e352b0ee10182c737a69
SHA1 hash:
b2726a921dcc1837e897944c6ce2492084e764f0
Link:
https://www.unpac.me/results/98ce67fb-305a-4ff8-b759-6e0195608e05/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2dce266f65b63c927ddf95e71bb0d226eb1c8b260ba8a6965ba1352e9fa837af

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/116573/

Comments