MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9f1090c3e94e75b134c1aa55b5e8e2b6ac9b706cd27e0bb1cc44ef4b49f27c66. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9f1090c3e94e75b134c1aa55b5e8e2b6ac9b706cd27e0bb1cc44ef4b49f27c66
SHA3-384 hash: 7c13f9ff9b9d3cc8d689f6aa65c8696626c04586f783897c5ec2cba7f8cf08c97f7c84cf2dc9dd9392a4123f5f9a6011
SHA1 hash: 801fde75fd1bd0aba6b991127f193e04582696e4
MD5 hash: 7cfbd883e03ddec71682789798e6d9d4
humanhash: salami-alaska-eleven-mississippi
File name:DK Purchase Order 2021 - 00041.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:754'176 bytes
First seen:2021-03-19 17:40:30 UTC
Last seen:2021-04-02 22:58:23 UTC
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:U1kRlG3WOKqDxNyC/svpNjY9bQt9whoD8cKoW+4R/YUXcgs430TD+Nc8gWtDNTV4:U+lGuqDtsvfY9bQXw6Nbg/3a4puQhw5
Threatray 4'281 similar samples on MalwareBazaar
TLSH 3BF4AD11A3E6A608F23B13788579420287F6B596D23AD7BDA8D450CE0DB3B454B7B337
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
223
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DK Purchase Order 2021 - 00041.exe
Verdict:
Malicious activity
Analysis date:
2021-03-19 17:42:53 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1356558e-ba41-46e4-9299-37a1cfb7dc6e

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/125702/
Detection(s):
SecuriteInfo.com.Trojan.MSIL.Dropper.HZ.9642.24498.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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/646468
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
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 signatures2 2 Behavior Graph ID: 372200 Sample: DK Purchase Order 2021 - 00... Startdate: 19/03/2021 Architecture: WINDOWS Score: 100 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 8 other signatures 2->47 10 DK Purchase Order 2021 - 00041.exe 3 2->10         started        process3 file4 33 C:\...\DK Purchase Order 2021 - 00041.exe.log, ASCII 10->33 dropped 57 Injects a PE file into a foreign processes 10->57 14 DK Purchase Order 2021 - 00041.exe 10->14         started        17 DK Purchase Order 2021 - 00041.exe 10->17         started        signatures5 process6 signatures7 59 Modifies the context of a thread in another process (thread injection) 14->59 61 Maps a DLL or memory area into another process 14->61 63 Sample uses process hollowing technique 14->63 65 Queues an APC in another process (thread injection) 14->65 19 explorer.exe 14->19 injected process8 dnsIp9 35 www.medtopharma.com 119.45.196.155, 80 CNNIC-TENCENT-NET-APShenzhenTencentComputerSystemsCompa China 19->35 37 www.bkgexqjg.icu 19->37 49 System process connects to network (likely due to code injection or exploit) 19->49 23 colorcpl.exe 12 19->23         started        27 autofmt.exe 19->27         started        signatures10 process11 dnsIp12 39 www.medtopharma.com 23->39 51 Modifies the context of a thread in another process (thread injection) 23->51 53 Maps a DLL or memory area into another process 23->53 55 Tries to detect virtualization through RDTSC time measurements 23->55 29 cmd.exe 1 23->29         started        signatures13 process14 process15 31 conhost.exe 29->31         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9f1090c3e94e75b134c1aa55b5e8e2b6ac9b706cd27e0bb1cc44ef4b49f27c66/
Threat name:
ByteCode-MSIL.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2021-03-19 11:19:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
15 of 28 (53.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=t4ijbq7jjz23cngbvjk3l2hcw2wjw4dm2j7axmomitxuwspsprta._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
06fa1b160e322bd7710c9110b1e4e873795b5c2680b8bbe70bbaf23484533459
Formbook
11f06223417d6045acaa15cf7f5515d9afdfc23590c9cd021c2ae90a736bb6cd
Formbook
38272fb3fbcabee6980aeb4be9ae17147a7979dc415cb3cfbedc48cc298bbefa
Formbook
411e56b415d4c23a741958c3f1ada72b3e958c078d27c339678bb690b7a895c3
Formbook
50a189fe28198ad7f41cfefd5fef208b25ec79be1bdddb540f1c9fef45e4f393
Formbook
6c131f342e8226706ba1b39cc955852b022130c14ea12bd3b3cf340bbea25bf6
Formbook
7c201535a28746b62adfa831cfccac096903f5b17ee83b8364fc890fa70a59fd
Formbook
aa9692c1769e25297176b847f4274570c56c4d74f4577608bd036e72d82d5bdb
Formbook
b12941d367baf1228f6d262c4696b267cd1d36e600742aaf1fee00582fe1ea07
Formbook
f39b9e8c4a9aa6d8cd9f069e8a8ee81a3f666e07071f2b4673aa42633026736c
Formbook
+ 4'271 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/210319-q1s5e8bcpn/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.otokoikon.com/vsk9/
Unpacked files
SH256 hash:
2b43013edb5706a946f4e523a1a219b31fe2a7e05c48884c048882b3c1327655
MD5 hash:
b7159eb14fe565d4e233604b629bbd8a
SHA1 hash:
64f82c67e6c7cbc078141162a49bffcee3d9ebb9
Link:
https://www.unpac.me/results/2fa9f90d-9de6-4004-bc49-b116f7008f35/
SH256 hash:
9f1090c3e94e75b134c1aa55b5e8e2b6ac9b706cd27e0bb1cc44ef4b49f27c66
MD5 hash:
7cfbd883e03ddec71682789798e6d9d4
SHA1 hash:
801fde75fd1bd0aba6b991127f193e04582696e4
Link:
https://www.unpac.me/results/2fa9f90d-9de6-4004-bc49-b116f7008f35/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.40
Link:
https://yomi.yoroi.company/submissions/9f1090c3e94e75b134c1aa55b5e8e2b6ac9b706cd27e0bb1cc44ef4b49f27c66

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:crime_win32_ransom_avaddon_1
Create hunting rule
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
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.

Malspam

Formbook

zip 4baffc4b9abdf9e2949a9df0a93ad091865389a25d0b3466d74b38743f8a04be

Formbook

Executable exe 9f1090c3e94e75b134c1aa55b5e8e2b6ac9b706cd27e0bb1cc44ef4b49f27c66

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 4baffc4b9abdf9e2949a9df0a93ad091865389a25d0b3466d74b38743f8a04be
Cape
Cape
https://www.capesandbox.com/analysis/125702/

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