MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 89c0e9f07b4245f97dccad1b925e19ad1a436b61c5fce2f2f12bc05c0042dcbe. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 89c0e9f07b4245f97dccad1b925e19ad1a436b61c5fce2f2f12bc05c0042dcbe
SHA3-384 hash: c072a1169162cc2d5cd5880d1fe6f61a17d036a64f530cc53018e005fec99eae13961560e0ca10d077a14db91bd0828b
SHA1 hash: bd7438aa6bf4b03ffc05876deb09104fbeb0732e
MD5 hash: bf7102dde4da99e629a8dea9b15a3923
humanhash: stream-magazine-lion-iowa
File name:SKM109482.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:285'184 bytes
First seen:2020-10-19 06:32:32 UTC
Last seen:2020-10-19 08:23:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash c93b0702003666378927bd84800bebf5 (3 x Formbook, 1 x Matiex)
ssdeep 6144:njAycA0JsPZAzDgdwl1VlbPHfPhjc6YSvcK9zz6puA:njmAWsPZwrjPHKhSvx9zz+uA
Threatray 2'512 similar samples on MalwareBazaar
TLSH 8254D06175C18878D4A7033581E9EFA61A6EFC728E31DC93ABC02F0E4914DD19979BB3
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: rdns0.hyterm.xyz
Sending IP: 134.209.44.46
From: April<office@teleaurd.xyz>
Reply-To: <jossycool1234@gmail.com>
Subject: RE: RE: PAYMENT
Attachment: Document.7z (contains "SKM109482.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
79
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/72735/
Detection(s):
SecuriteInfo.com.Trojan.Siggen10.39395.30850.22963.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/494886
Signature
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 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: 299902 Sample: SKM109482.exe Startdate: 19/10/2020 Architecture: WINDOWS Score: 100 30 www.colorblinddesigner.com 2->30 32 colorblinddesigner.com 2->32 34 www.batttleroyaleuk.com 2->34 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 2 other signatures 2->48 11 SKM109482.exe 1 2->11         started        signatures3 process4 signatures5 58 Maps a DLL or memory area into another process 11->58 60 Tries to detect virtualization through RDTSC time measurements 11->60 14 SKM109482.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.katakansetsu.com 153.126.199.188, 49745, 80 SAKURA-ASAKURAInternetIncJP Japan 19->36 38 soundhoney.net 2.59.117.6, 49735, 80 RADORETR Turkey 19->38 40 23 other IPs or domains 19->40 50 System process connects to network (likely due to code injection or exploit) 19->50 23 cscript.exe 19->23         started        signatures10 process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 23->52 54 Maps a DLL or memory area into another process 23->54 56 Tries to detect virtualization through RDTSC time measurements 23->56 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/89c0e9f07b4245f97dccad1b925e19ad1a436b61c5fce2f2f12bc05c0042dcbe/
Threat name:
Win32.Trojan.SpamMlwr
Create hunting rule
Status:
Malicious
First seen:
2020-10-19 00:31:02 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rhaot4d3ijc7s7omvunzexqzvuneg23byx6of4xrfpafyacc3s7a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
netwirerc
Create hunting rule
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0040dd5bbff90801dacfa809df431ebbf40ea1008eebe95fbeb718433bfe71cc
Formbook
1307127d4024fc9c364c95bd94dae974ab105b088b0701843146cfe961f11205
Formbook
15d71d7a0b659fa5429a2e96d9185dad6aca0fe201dfa802b7fd0ef2b8211c76
Formbook
754b53cd03dcc7c3d854a9628e5d01447fd778aae73f7890b5f7527ad4bd76ea
Formbook
79fe9749c4a7e8297e056cc4f0fbed7130900cd9aa2be3a1339acde4a11ca171
Formbook
7ac0888e83ebfc1401796d95250dcfae864d1db479bd741bd44847722a03555e
Formbook
a76869f6ece56a889175cb2cebdb60e4a24025184ebeb7fa9c6210668eb023fe
Formbook
ac320ccfb00631656e4ffddeb052255a8a52bbcdfd7559f943b62fd4aada1f42
Formbook
e85ece3cee51156974c3fb8f0e2c707dae2b51b0d2db9e5fb10531d2fdd76ca6
Formbook
f2cb02b3c504a4db0b43f79aef0d63398d9b984ee84d07acd690a448b63b5636
Formbook
+ 2'502 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/201019-xvelkbfwgx/
Unpacked files
SH256 hash:
89c0e9f07b4245f97dccad1b925e19ad1a436b61c5fce2f2f12bc05c0042dcbe
MD5 hash:
bf7102dde4da99e629a8dea9b15a3923
SHA1 hash:
bd7438aa6bf4b03ffc05876deb09104fbeb0732e
Link:
https://www.unpac.me/results/76a2e844-ec28-4580-9635-a9d7a336c81e/
SH256 hash:
c199d8a3ebeb73fa8fe38d9877c0bef18353ce4636c4e522d6b29235e1623b9f
MD5 hash:
2deab67c54eae83cd3a743873769b2a3
SHA1 hash:
df0f42b626c423e08f531353f6cc614ae62cc639
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/76a2e844-ec28-4580-9635-a9d7a336c81e/
Parent samples :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 note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Noon
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/89c0e9f07b4245f97dccad1b925e19ad1a436b61c5fce2f2f12bc05c0042dcbe

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:win_nymaim_g0
Create hunting rule
Author:mak, msm, CERT.pl

File information

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

Malspam

Formbook

7z cc9bdf4a7d25d757dd445fb46db2acf56e106232ed261fdcb06ce3f1fed98315

Formbook

Executable exe 89c0e9f07b4245f97dccad1b925e19ad1a436b61c5fce2f2f12bc05c0042dcbe

(this sample)

  
Dropped by
MD5 061ada1737360bde9e54e35f1509da59
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 cc9bdf4a7d25d757dd445fb46db2acf56e106232ed261fdcb06ce3f1fed98315
Cape
Cape
https://www.capesandbox.com/analysis/72735/

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