MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3964255c6edcc775158338c29c12a374eef6b3bad5d1b05641a7c92efb8873de. 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: 8


Intelligence 8 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3964255c6edcc775158338c29c12a374eef6b3bad5d1b05641a7c92efb8873de
SHA3-384 hash: 0dea81a92bc0af0fdf8e47ccf5ad267ae7f1da462d4b2a1c2d1abf1af22f47c47d0d067259134915efc7038f322642ab
SHA1 hash: 7e2c460b59ec5a23e54c8d3ff328e1e073054b5e
MD5 hash: 4c9d3b799cbe4119828ea4cf52beb1e2
humanhash: ceiling-double-whiskey-three
File name:Invoice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:297'472 bytes
First seen:2020-11-06 17:38:06 UTC
Last seen:2020-11-06 19:39:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ea7d9d61a338359d829fb65ec9d8d343 (2 x Formbook)
ssdeep 6144:PcZf+8KVg553jCWRycT40bgJhxRtzZ9MkxB:PcZG8KVybRhhbaVtDrxB
Threatray 2'901 similar samples on MalwareBazaar
TLSH 4C54E001B5D0D472D877127747A88A6203BEFD325F75ED8BB784020D59316D0EABEBA2
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: competent-lamport.104-215-113-137.plesk.page
Sending IP: 104.215.113.137
From: GEMMA <gmarcet@auxicolor.es>
Subject: Invoice PC2001961.pdf
Attachment: OC.INV.rar (contains "Invoice.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
137
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Variant.Zusy.334373.28155.12735.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser 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/523518
Signature
Detected unpacking (changes PE section rights)
Executable has a suspicious name (potential lure to open the executable)
Initial sample is a PE file and has a suspicious name
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
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 310857 Sample: Invoice.exe Startdate: 06/11/2020 Architecture: WINDOWS Score: 100 30 www.mycapecoralhomevalue.com 2->30 32 www.femalecoliving.com 2->32 34 2 other IPs or domains 2->34 40 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 5 other signatures 2->46 11 Invoice.exe 1 2->11         started        signatures3 process4 signatures5 56 Detected unpacking (changes PE section rights) 11->56 58 Maps a DLL or memory area into another process 11->58 60 Tries to detect virtualization through RDTSC time measurements 11->60 14 Invoice.exe 11->14         started        17 conhost.exe 11->17         started        process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 Queues an APC in another process (thread injection) 14->68 19 explorer.exe 14->19 injected process8 dnsIp9 36 www.ringohouse.info 202.210.8.117, 49705, 80 VECTANTARTERIANetworksCorporationJP Japan 19->36 38 www.translatiions.com 192.187.111.219, 49704, 80 NOCIXUS United States 19->38 48 System process connects to network (likely due to code injection or exploit) 19->48 23 rundll32.exe 19->23         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 23->50 52 Maps a DLL or memory area into another process 23->52 54 Tries to detect virtualization through RDTSC time measurements 23->54 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3964255c6edcc775158338c29c12a374eef6b3bad5d1b05641a7c92efb8873de/
Threat name:
Win32.Trojan.Tiggre
Create hunting rule
Status:
Malicious
First seen:
2020-11-06 14:20:53 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hfsckxdo3tdxkfmdhdbjyevdotxpnm522xi3avsbu7es564ioppa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
netwirerc
Create hunting rule
Similar samples:
000d893715e565a925e4dd98feb6b28461a6b1c51dc3a5ac0ea48b407ac85653
Formbook
0492389f51ea478d6b922d2e41b7f8bf54c7231ed062bae93b8ede289926db7f
Formbook
16a895e73a1fa9260fdc42786d134cadbfd8936365e2f550322f45f08307186e
Formbook
4747e3d90198171f10ab973d32e0cbf1f679148832d1d10a6ec99a340b0a307f
Formbook
5d23faa05258eb51b196fee00263dc5e4556a37301d312563843a7ac8494ee19
Formbook
8df5752017d7f083ddad62b8423ea7109c830dbcdca3fff0ee7aee8d149fdeda
Formbook
93924f89733fd4e1534e19d833740a2667ff990ebab775d891b669b5c728014a
Formbook
b79273545da050a53a38855e56afc06bce2cefe78fad1ccb36a8616b2950b1a0
Formbook
bea5a2a0bade8802b63d59a653b7140792acdfa1fd3f92ccafe9bb592a94882d
Formbook
c5bfbac52396976e672116e5fb07d6cae05d2b07b749d08283a26bcf29677dbe
Formbook
+ 2'891 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/201106-w3311n3nt2/
Unpacked files
SH256 hash:
3964255c6edcc775158338c29c12a374eef6b3bad5d1b05641a7c92efb8873de
MD5 hash:
4c9d3b799cbe4119828ea4cf52beb1e2
SHA1 hash:
7e2c460b59ec5a23e54c8d3ff328e1e073054b5e
Link:
https://www.unpac.me/results/10eaf375-bf34-4e65-a192-d616264fbfa3/
SH256 hash:
263a48f576b7798c89574796a7257c441ce60783c93023af8aff28088e0b47a0
MD5 hash:
594b2ddb2e6517ba02461b7c1673ebc3
SHA1 hash:
e44bd722d458fa1a32c97529cb4633987e220581
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/10eaf375-bf34-4e65-a192-d616264fbfa3/
Parent samples :
16a895e73a1fa9260fdc42786d134cadbfd8936365e2f550322f45f08307186e
b79273545da050a53a38855e56afc06bce2cefe78fad1ccb36a8616b2950b1a0
3964255c6edcc775158338c29c12a374eef6b3bad5d1b05641a7c92efb8873de
74fe23fdb7b12b785e1e6db24dba0536deec51ddac1edbd53a0211b68672628b
be170809e4230261e4a1be5ed4a3fd90108240f4f6c3a3151e2b14bfdeac89f6
95432d34acb3db62d167b6ca78cf9e1f4508e692f1f4f124278dc07c552f4445
6c3fe63b8dd66c9dbbc62c341fde2ad3524b944f45734cb56b2f16b7638a62a7
bab1afa3cdf4c5c73be8b2890a43ac43ed1b4f3d14d1726323dc1c38a572f335
801e939e0d3085f2381ef566d8dc90653eef76be368a865cb249b0eb2bb1b869
2d5d89747431e9003471e77e757e6c2d3310cbcac7451c1bb8389d0744543e6f
1eb8543fda2c6d7e0bd287d692f8e63743729278f4f08b66cd00d987a68c4b7a
e972280a082b78255426343527eb04b724122122cbea086ee5c55958d90ba138
9161b2162e26e06de573d2314ef3d6cec389bfc240c33a9bce7f5b1e13c7b703
ee8ac19b40be65306741e69e41cc3768e469fedd9a55b8a1ff3a24723f6fd6da
6c63e68f6d116d78c115e15d1c1bdaeb1064cb562de15c4f5d46142e637f26e3
ca035ce2804aff96e07142ecb344766e2fca568af3b5b01f60d7886225d7cd49
54855cba7fad3ca4afa7a47824594cf8dc86ea733e427a5cbddda9c29c88feb0
Please note that we are no longer able to provide a coverage score for Virus Total.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

rar 4d04a81217438acc6482eb254d1c57acd084de1fec306ba611ec79b10b751f69

Formbook

Executable exe 3964255c6edcc775158338c29c12a374eef6b3bad5d1b05641a7c92efb8873de

(this sample)

  
Dropped by
MD5 30d3c9676bb0476857cd86bec7411739
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 4d04a81217438acc6482eb254d1c57acd084de1fec306ba611ec79b10b751f69

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