MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c010d88a118ba3cc666e05c6f8f82159ac38e5486b5ed60c65d870287b8cff6. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
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SHA256 hash: 3c010d88a118ba3cc666e05c6f8f82159ac38e5486b5ed60c65d870287b8cff6
SHA3-384 hash: 4ac51920f9ce589edff7529e586ece3d5fb1d350daf2c2dfcc4727d9cca1f18295ad4c2df69ae403fa27ba679d2647c4
SHA1 hash: 06db999f59b7da1413ed3a5a2ea6b059d5e0b013
MD5 hash: 0bd78eb73748333d5a41930de799be58
humanhash: may-johnny-eleven-blue
File name:Scan_0000005.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:885'248 bytes
First seen:2022-02-22 05:22:22 UTC
Last seen:2022-02-22 07:00:26 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:vgB6v+WlNDh7jwf2+hyvKxKtXDSuuzwtoAyDMexREy2bNiNg0p:D+WlNyyyESuCSoAeZxirbIK0p
Threatray 13'861 similar samples on MalwareBazaar
TLSH T13115CF142AAB1F3DF1B94BB648C0EC64F7A9F7232D09F37D78416586CA52B418D422B7
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/243098/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.GRK.genEldorado.28715.13526.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe update.exe
Link:
https://www.filescan.io/uploads/6214733ca2660f3bb92209aa/reports/f73986b2-8219-4b8b-9c9f-b1683252c077/overview
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f7df3e15-715c-4691-b11c-c3666946bc53
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/943636
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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
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: 576110 Sample: Scan_0000005.exe Startdate: 22/02/2022 Architecture: WINDOWS Score: 100 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 8 other signatures 2->45 10 Scan_0000005.exe 3 2->10         started        process3 file4 29 C:\Users\user\...\Scan_0000005.exe.log, ASCII 10->29 dropped 59 Tries to detect virtualization through RDTSC time measurements 10->59 14 Scan_0000005.exe 10->14         started        signatures5 process6 signatures7 61 Modifies the context of a thread in another process (thread injection) 14->61 63 Maps a DLL or memory area into another process 14->63 65 Sample uses process hollowing technique 14->65 67 Queues an APC in another process (thread injection) 14->67 17 explorer.exe 14->17 injected process8 dnsIp9 31 www.nicecent.com 156.251.56.158, 49814, 80 IKGUL-26484US Seychelles 17->31 33 www.realityshapers.xyz 44.227.76.166, 80 AMAZON-02US United States 17->33 35 2 other IPs or domains 17->35 47 System process connects to network (likely due to code injection or exploit) 17->47 49 Performs DNS queries to domains with low reputation 17->49 21 WWAHost.exe 12 17->21         started        signatures10 process11 dnsIp12 37 www.realityshapers.xyz 21->37 51 Performs DNS queries to domains with low reputation 21->51 53 Self deletion via cmd delete 21->53 55 Modifies the context of a thread in another process (thread injection) 21->55 57 2 other signatures 21->57 25 cmd.exe 1 21->25         started        signatures13 process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/3c010d88a118ba3cc666e05c6f8f82159ac38e5486b5ed60c65d870287b8cff6/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-02-22 05:23:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hqaq3cfbdc5dzrtg4bog7d4ccwnmhdsuq2262ygglwdqfb5yz73a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
13ce54d053256ed33282cc8e8a47f9a3c83f9b96f4230df70a7b947c55c611f5
Formbook
14642e431716be5f43044de68f915037e0358a401f59e490f5370cc5563a1a23
Formbook
354529cf4cd5498c64a0c69c6dd9eb8962250542eea7f89a76faf64f5086da35
Formbook
5f3980e6686fe4d2dc41f24e42287d082cc894a57078e69e4a9554bec20ff5cc
Formbook
734bf6dc37410e78255fb46135d5914666b39f17124efcfbc20fb005c54c75ee
Formbook
a97ce8a55897b2f476c343a3cb5234e94848cdb3a7a815bb1c31c48dfaf794b7
Formbook
b79d2d02fe777cfd64723ad9b3935b30c00cbc75614fcadbf867cce88df4a8fd
Formbook
d8b05baee601302f22a561d0686689994296a4fa6ce256bcedb9bfa899553c07
Formbook
da9e890626946b96039a20cc107a0f7f0bc13440d9ede74799b6f9a2514e3759
Formbook
ecc6439ff97e4b77f3af320e4c224f712478610fd28a1b6e6a03573c4b90f405
Formbook
+ 13'851 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:ns15 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220222-f25hdsebak/
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 WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
6e7015e7a5009f8c59d2c87665486d99bc8121e0ff3fb3e94d8c83b700b352f3
MD5 hash:
ad6fbe37ffc330c0124b5fd23be17663
SHA1 hash:
fe60938e12c0b57aecc557e0d3339057b381c23b
Detections:
win_formbook_g0
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win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/57ecd6af-daf2-41c4-9390-8e1c097d69d0/
Parent samples :
5323b3b8e8c6a34d29b633e0a21dc736e611b4b0589de1704ca233300786197d
3c010d88a118ba3cc666e05c6f8f82159ac38e5486b5ed60c65d870287b8cff6
SH256 hash:
cbcb40215987ace50d902b03224be1d39d9db6e173124bea83934d9ddcbc9fee
MD5 hash:
e67759fcc195f57850bbeb5a3ddacc81
SHA1 hash:
a4895f67c1abad63a08c2c992193495a06eb0586
Link:
https://www.unpac.me/results/57ecd6af-daf2-41c4-9390-8e1c097d69d0/
SH256 hash:
e3bdaf9e98eb65a070cf4424bc123e57ade151c41e4a0d375e769749155c1715
MD5 hash:
78a25e75b94923e889ecd100349facbe
SHA1 hash:
6b3f8db525d3c98f92ed480e664ab8ee9458340b
Link:
https://www.unpac.me/results/57ecd6af-daf2-41c4-9390-8e1c097d69d0/
SH256 hash:
f17f11309dc481101d0284b9231328ec6d1185e6863bd5f04a2ad2636f106c2f
MD5 hash:
f20d77b5f7c486f1d5dfa91581a07ae9
SHA1 hash:
17f1d9f8639f48965806327105d7abb777ab1d91
Link:
https://www.unpac.me/results/57ecd6af-daf2-41c4-9390-8e1c097d69d0/
SH256 hash:
3c010d88a118ba3cc666e05c6f8f82159ac38e5486b5ed60c65d870287b8cff6
MD5 hash:
0bd78eb73748333d5a41930de799be58
SHA1 hash:
06db999f59b7da1413ed3a5a2ea6b059d5e0b013
Link:
https://www.unpac.me/results/57ecd6af-daf2-41c4-9390-8e1c097d69d0/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/3c010d88a118/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/3c010d88a118ba3cc666e05c6f8f82159ac38e5486b5ed60c65d870287b8cff6

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
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Rule name:Skystars_Malware_Imphash
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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 3c010d88a118ba3cc666e05c6f8f82159ac38e5486b5ed60c65d870287b8cff6

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/243098/

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