MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9f55a497a04ad1181a75185f7b2ec1be0b9d33ed50f26c0c8cc82fa0f85db590. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments
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SHA256 hash: 9f55a497a04ad1181a75185f7b2ec1be0b9d33ed50f26c0c8cc82fa0f85db590
SHA3-384 hash: d68aaee94b8b32da1cf56c3b5bcba68d9ea7f5c97770de35de7191166ea15bd7ff594003ccb5af0c16e4ab96db802c34
SHA1 hash: 5d623230470043f8a55a426e2b95b1501cd96820
MD5 hash: 6f458a706a5d5e0a65adaceec728d6c8
humanhash: ten-alanine-mike-football
File name:Doc_008543678.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:355'840 bytes
First seen:2021-10-15 17:18:48 UTC
Last seen:2021-10-15 17:52:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:P9CLgMkhBmkApFWCev74HjUbgA731K6L8wk7+neqr/06abjj9k+mbdsLFnjD:eSBmk7v74gUu19kY3/zaPW+VD
Threatray 10'533 similar samples on MalwareBazaar
TLSH T1CC74016033EA531AC47B4F7918B656C54779772BBB08E76E2884349C8E227138B217B7
Reporter pr0xylife
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
3
# of downloads :
280
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Probable Virus PURCHASE ORDER #85463678.msg
Verdict:
Malicious activity
Analysis date:
2021-10-15 13:18:19 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/20ed5fb5-f70d-4de8-817b-aea6919ac65a

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/197791/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.31765.29934.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6169b808a9d585e6d529c580/reports/a46846b6-f0b6-4919-a465-62e3f0b5195a/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/2ebf4204-b8bc-4389-9a42-cb795fb2d981
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/871257
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)
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
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 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 dnsIp2 2 Behavior Graph ID: 503685 Sample: Doc_008543678.exe Startdate: 15/10/2021 Architecture: WINDOWS Score: 100 29 www.flordedesierto.com 2->29 31 flordedesierto.com 2->31 51 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 7 other signatures 2->57 10 Doc_008543678.exe 3 2->10         started        signatures3 process4 file5 27 C:\Users\user\...\Doc_008543678.exe.log, ASCII 10->27 dropped 59 Tries to detect virtualization through RDTSC time measurements 10->59 61 Injects a PE file into a foreign processes 10->61 14 Doc_008543678.exe 10->14         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 14->63 65 Maps a DLL or memory area into another process 14->65 67 Sample uses process hollowing technique 14->67 69 Queues an APC in another process (thread injection) 14->69 17 mstsc.exe 14->17         started        20 explorer.exe 14->20 injected process9 dnsIp10 39 Self deletion via cmd delete 17->39 41 Modifies the context of a thread in another process (thread injection) 17->41 43 Maps a DLL or memory area into another process 17->43 45 Tries to detect virtualization through RDTSC time measurements 17->45 23 cmd.exe 1 17->23         started        33 www.wavekiss.com 108.186.87.14, 49815, 80 PEGTECHINCUS United States 20->33 35 trybestchoice.com 198.187.31.85, 49847, 80 NAMECHEAP-NETUS United States 20->35 37 12 other IPs or domains 20->37 47 System process connects to network (likely due to code injection or exploit) 20->47 49 Performs DNS queries to domains with low reputation 20->49 signatures11 process12 process13 25 conhost.exe 23->25         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9f55a497a04ad1181a75185f7b2ec1be0b9d33ed50f26c0c8cc82fa0f85db590/
Threat name:
ByteCode-MSIL.Trojan.Tnega
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Status:
Malicious
First seen:
2021-10-15 02:29:15 UTC
AV detection:
22 of 45 (48.89%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=t5k2jf5ajlirqgtvdbpxwlwbxyfz2m7nkdzgydemzax2b6c5wwia._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0aeac649d2d859f9f98e5545017913ed1e3270ba4d46602c2cac3adbe03dea40
Formbook
2cf9a6fd4361184dbe79b2067472bdb6ac2907b89e78e213cf0eadd69ed10cd1
Formbook
326a1e669385d8e241375e9eca9f915440f1d0d3f803e6d1648f30102cbedaa6
Formbook
8436ced3953396414f8b719973ff09140f3909e188260e226c7b4b58fa39ee44
Formbook
9e433f562c623ddfcc0248f72a1c721916fc93ad56d18c4eb7ef6e60f8d7c1f2
Formbook
c1426732f06b03f0d2f0b2afd275bcd17ceb24d16174db630e10fab4fee09f04
Formbook
d079479dd85fb94fe08f6cd70cfff35e39c14294174a8ed6f9b480ffc1cbc9b2
Formbook
d567a6e6ac075533ef1960033ab07c0afed9638c785ccb3a9461195785ac9636
Formbook
+ 10'523 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:yjqn loader rat suricata
Link:
https://tria.ge/reports/211015-vvt6eabhfj/
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
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.wavekiss.com/yjqn/
Unpacked files
SH256 hash:
8001a02f98fd71a26ccb8ca40713b89880c73d2793202fd8ec024bedb30fbcfa
MD5 hash:
0fae8120539c9edf99105206fa477c73
SHA1 hash:
9375940389b71e67fd8404161f41ae1effa67e15
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/ee2bac44-0fcc-45f6-82e7-a80e29a9a0bd/
Parent samples :
c1426732f06b03f0d2f0b2afd275bcd17ceb24d16174db630e10fab4fee09f04
0aeac649d2d859f9f98e5545017913ed1e3270ba4d46602c2cac3adbe03dea40
9f55a497a04ad1181a75185f7b2ec1be0b9d33ed50f26c0c8cc82fa0f85db590
ae96332ca43b0c594a1c8c81d26c14742eca1c15c290901772bc4ae29c530f29
367e0400b78d94aed02d364e9a8e41dfb7e0136f12e68dd1b532d529354e00f7
4645255a1302be5b36e6814261279dc48d24f03c3a170b0b2efca04adacd2718
SH256 hash:
cacc91a45bd8bcca1d02d3740d8b327881141eb721542b360c0ddfaf5c1a9763
MD5 hash:
21f0cd8ec71707584afa6ed398a99cfc
SHA1 hash:
e9189d5be625bf9c6de09df3b0ef7186559cd246
Link:
https://www.unpac.me/results/ee2bac44-0fcc-45f6-82e7-a80e29a9a0bd/
SH256 hash:
eda4d687b865aed0078ab87078de7d9722888b2d2af71c6fc0dcdc986ffb7567
MD5 hash:
12cf5402be16590c300b442a66e9ebc1
SHA1 hash:
0ea28394d301ca1ce840f039d2da62a5ce6d9334
Link:
https://www.unpac.me/results/ee2bac44-0fcc-45f6-82e7-a80e29a9a0bd/
SH256 hash:
9f55a497a04ad1181a75185f7b2ec1be0b9d33ed50f26c0c8cc82fa0f85db590
MD5 hash:
6f458a706a5d5e0a65adaceec728d6c8
SHA1 hash:
5d623230470043f8a55a426e2b95b1501cd96820
Link:
https://www.unpac.me/results/ee2bac44-0fcc-45f6-82e7-a80e29a9a0bd/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/9f55a497a04a/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/9f55a497a04ad1181a75185f7b2ec1be0b9d33ed50f26c0c8cc82fa0f85db590

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:pe_imphash
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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.

Cape
Cape
https://www.capesandbox.com/analysis/197791/

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