MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c327a9bad9c1f25d9da900eb60b3ef7a0387d232c30bebb4d8b4b1bb62e257fb. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c327a9bad9c1f25d9da900eb60b3ef7a0387d232c30bebb4d8b4b1bb62e257fb
SHA3-384 hash: 2f3c29e075d9268a1c2597e274ece690cd8b9da039fb020338b326f5682a69c407a016dd4d04358000c8ae2733fa0563
SHA1 hash: 8b8d43fd5b6aa6c925bb8dd9beca3ec7d10aae58
MD5 hash: 02a16ecb920577998a4964a4eb9e2ad1
humanhash: equal-network-whiskey-florida
File name:Douane nécessaire.scr
Download: download sample
Signature Formbook
Create hunting rule
File size:1'311'744 bytes
First seen:2021-07-26 14:02:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'664 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:9nBOsBgo0q4wMcBmCmTOUd+L6kzXW9eo1wjnPGFF1oClFU:l4oHMEmCm6Ud+zzXoe6WuHG
Threatray 6'846 similar samples on MalwareBazaar
TLSH T1D355BFB1191DEF22F4B706B87872565442B48D46C96ECB68FE7332ABCD70FC23456A81
dhash icon f0c4e86969e8d4f0 (9 x Formbook, 4 x SnakeKeylogger, 3 x AgentTesla)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
158
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Douane nécessaire.scr
Verdict:
Malicious activity
Analysis date:
2021-07-26 15:30:24 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/23b856ed-6917-4492-8c29-93b8ed280244

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/174162/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.953-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Creating a process from a recently created file
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Verdict:
UNKNOWN
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/992fe592-d41d-4768-92f1-1e32b0e1dfb2
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/821837
Signature
Injects a PE file into a foreign processes
Machine Learning detection for sample
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 virtualization through RDTSC time measurements
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 454248 Sample: Douane n#U00e9cessaire.scr Startdate: 26/07/2021 Architecture: WINDOWS Score: 88 32 Multi AV Scanner detection for submitted file 2->32 34 Machine Learning detection for sample 2->34 36 Tries to detect virtualization through RDTSC time measurements 2->36 38 Modifies the prolog of user mode functions (user mode inline hooks) 2->38 10 Douane n#U00e9cessaire.exe 3 2->10         started        process3 file4 28 C:\Users\...\Douane n#U00e9cessaire.exe.log, ASCII 10->28 dropped 48 Injects a PE file into a foreign processes 10->48 14 Douane n#U00e9cessaire.exe 10->14         started        signatures5 process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 14->50 52 Maps a DLL or memory area into another process 14->52 54 Sample uses process hollowing technique 14->54 56 Queues an APC in another process (thread injection) 14->56 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.nadersadek.info 17->30 40 System process connects to network (likely due to code injection or exploit) 17->40 21 WWAHost.exe 17->21         started        signatures10 process11 signatures12 42 Modifies the context of a thread in another process (thread injection) 21->42 44 Maps a DLL or memory area into another process 21->44 46 Tries to detect virtualization through RDTSC time measurements 21->46 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Gathering data
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-07-26 12:04:43 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ymt2towzyhzf3hnjadvwbm7ppibypursymf6xngywsy3wyxck75q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2e6a479b31c154cdeea1f9502d6a9d820369c1b4b6c91d756ec8011054628f10
Formbook
3d067ddc4024d82db9f90413f6fb76f61552cceab8abbbf3db08bee43730470a
Formbook
77debd27c7e821a3a2c480f7b91377dd2706a2a19975132a5141f92d87160363
Formbook
84de052507d92575b15db6e247696f77f71b02902a15319baa83dacaa333a775
Formbook
96f3a3030eeb072ca1872f376968f3d0515af0c3aba21a1a1f77625ee1af1632
Formbook
9b9218d3692f38654cde45d5a9b01a6d5cb83aa5442c286fc4e073a6348e08d1
Formbook
9f1090c3e94e75b134c1aa55b5e8e2b6ac9b706cd27e0bb1cc44ef4b49f27c66
Formbook
9fadae8c6a192536c41677546bc32e530d38084906e8be610573538f0955c49d
Formbook
c12e7acec0b72dcba1f25a432f95959c20c586ae278418c44f8aa610326fb34f
Formbook
f8c3b9a8f01e022158ef5f9bc6d69287b6b03ce5527f7ac911de25dcdc016569
Formbook
+ 6'836 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/210726-dcde794v3s/
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
CustAttr .NET packer
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.celinehair.com/e7hf/
Unpacked files
SH256 hash:
c708a72654e2ffad6cc07b17b604eff2b657f31edb0134af9f613ffdb1c7b3e2
MD5 hash:
fa657047b570bbb286abcd7fadbbca93
SHA1 hash:
74edf7c869a8f717972a406f9b739be5d01dccdb
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/60691162-5eda-4c21-a74b-994e5d99211a/
Parent samples :
96f3a3030eeb072ca1872f376968f3d0515af0c3aba21a1a1f77625ee1af1632
77debd27c7e821a3a2c480f7b91377dd2706a2a19975132a5141f92d87160363
2c838cbeadc11938892397831181338333ce8c2baace411aad528d5081e976fa
84de052507d92575b15db6e247696f77f71b02902a15319baa83dacaa333a775
c2874fa8a593d805c31340651b9ebf7308e6db8e2c33baca8a33188d91ef8605
2e6a479b31c154cdeea1f9502d6a9d820369c1b4b6c91d756ec8011054628f10
777099a02f34b28dc78e4f5aebe54f19ee391449b8648f611c6cf3c0352f9ee8
c327a9bad9c1f25d9da900eb60b3ef7a0387d232c30bebb4d8b4b1bb62e257fb
03e5bebad534a6061452af4f7b266bf214e8ad97f6d51d683378360f1351da30
26563dccfc02bb19e03b7c0ed406bf1a8b55dabdd44148fe04e35ea00bd6f138
d835bb8d896d0a858feecf968258bc9d5d53e8013e01463db68ae2b5bae8fedf
SH256 hash:
888bcbd707c3e97a12fc46d7ebc49ba2af8bd152f0697a5cf34de91fa5fae14e
MD5 hash:
0f9dd55af00d8c42ac066cd0fcff7436
SHA1 hash:
f0064a09918e95cc4b359ec2b647c04f341cc31d
Link:
https://www.unpac.me/results/60691162-5eda-4c21-a74b-994e5d99211a/
SH256 hash:
5d5856bf50bb4dd162f2b6ca805ce5e6c5ab0c3006a55a7e13ea4a5aacd2bc50
MD5 hash:
677162431af0cf423d9df15f5d1bdfb4
SHA1 hash:
d265e5356ee5a479454a4c88d1951f0345e33e5c
Link:
https://www.unpac.me/results/60691162-5eda-4c21-a74b-994e5d99211a/
SH256 hash:
97d2fa1d01b2f9a2199896e05e0cf60c14a9f41ef2d72e15fbb862b7afa08438
MD5 hash:
68463851c0e6fe7a254c99fae763d454
SHA1 hash:
4587a5371d88c296a0184fe47ee0c5245b187127
Link:
https://www.unpac.me/results/60691162-5eda-4c21-a74b-994e5d99211a/
SH256 hash:
c327a9bad9c1f25d9da900eb60b3ef7a0387d232c30bebb4d8b4b1bb62e257fb
MD5 hash:
02a16ecb920577998a4964a4eb9e2ad1
SHA1 hash:
8b8d43fd5b6aa6c925bb8dd9beca3ec7d10aae58
Link:
https://www.unpac.me/results/60691162-5eda-4c21-a74b-994e5d99211a/
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/c327a9bad9c1f25d9da900eb60b3ef7a0387d232c30bebb4d8b4b1bb62e257fb

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 c327a9bad9c1f25d9da900eb60b3ef7a0387d232c30bebb4d8b4b1bb62e257fb

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/174162/

Comments