MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99889ef9126eddb7fee40e181c9832c734f8cef74736e2c577438300b468751c. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
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SHA256 hash: 99889ef9126eddb7fee40e181c9832c734f8cef74736e2c577438300b468751c
SHA3-384 hash: 3d260835fdc9796160e802631de58fbace51d8d4f32d850602a1df696246942b487a1fbefd6c3faf86938e0c20c8775a
SHA1 hash: 8fb4c2a855204c51c630b69ccfdf10f1135fe01e
MD5 hash: c0225f76705c05744918c724e3018649
humanhash: hydrogen-louisiana-oklahoma-alanine
File name:c0225f76705c05744918c724e3018649.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:553'472 bytes
First seen:2021-11-01 09:39:30 UTC
Last seen:2021-11-01 13:12:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:+78H1uJ3SLwTlVykSEeFZZ426zXWRFS+pDke:oJicTpSEeFZZ5AWRvpDke
Threatray 10'988 similar samples on MalwareBazaar
TLSH T1C4C4BE26A27C9F43D834A3FC84203154ABB06621BC97CB49DFC573EE8A327B56D60587
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SHIPPPING-DOC.xlsx
Verdict:
Malicious activity
Analysis date:
2021-11-01 09:28:06 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/b4736299-f3da-4b0a-b7d7-26f8ad013bdc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Inject4.18180.15570.4778.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/617ff9eda9d585e6d53d4ee7/reports/c00346a3-3b82-4132-a164-d9bb0b8bba2f/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/1b7d1848-4f0f-415f-8b11-eb3e6a13009c
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/880370
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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: 512817 Sample: NCh22JHZDm.exe Startdate: 01/11/2021 Architecture: WINDOWS Score: 100 33 www.ishii-miona.com 2->33 35 www.flydubaime.com 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 7 other signatures 2->49 11 NCh22JHZDm.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...31Ch22JHZDm.exe.log, ASCII 11->31 dropped 63 Tries to detect virtualization through RDTSC time measurements 11->63 15 NCh22JHZDm.exe 11->15         started        18 NCh22JHZDm.exe 11->18         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 20 explorer.exe 15->20 injected process9 dnsIp10 37 www.qask.top 104.233.161.201, 49688, 80 PEGTECHINCUS United States 20->37 39 ildomains.cashcow.co.il 20.56.187.216, 49693, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 20->39 41 9 other IPs or domains 20->41 51 System process connects to network (likely due to code injection or exploit) 20->51 53 Performs DNS queries to domains with low reputation 20->53 24 mstsc.exe 20->24         started        signatures11 process12 signatures13 55 Self deletion via cmd delete 24->55 57 Modifies the context of a thread in another process (thread injection) 24->57 59 Maps a DLL or memory area into another process 24->59 61 Tries to detect virtualization through RDTSC time measurements 24->61 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/99889ef9126eddb7fee40e181c9832c734f8cef74736e2c577438300b468751c/
Threat name:
ByteCode-MSIL.Spyware.Noon
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Status:
Malicious
First seen:
2021-11-01 09:40:12 UTC
AV detection:
17 of 44 (38.64%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook
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Similar samples:
1d07ba3818460950a41107248ebad65eea18efc3c151aa275be107732f3625d6
Formbook
3817ce74e0428b78c0394a0f603fb30c01e30e3be4d93909ddd5397e43813881
Formbook
41de1c603509906c3ddcb2550617c980ba3dd192048a52b449e3894d94e1bad5
Formbook
75772375acbcfb6cb668fc2449671a6a83afe1434184ac7c01fd895825fcf5e6
Formbook
92206b9fa1251b589ab6d14b4828cafe0ec9d9b44df469602b7d3d1ed16ae0e8
Formbook
b3bc74c1f3673da08a95775af5f39dd116a249d8a7e597fcd8bb56e07ae3bcd2
Formbook
d079479dd85fb94fe08f6cd70cfff35e39c14294174a8ed6f9b480ffc1cbc9b2
Formbook
fafcee9b031f24dbd150b43afbb5cac24bbdccfa4125f4f3017bdd8e94926e9e
Formbook
+ 10'978 additional samples on MalwareBazaar
Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:mwev loader rat
Link:
https://tria.ge/reports/211101-lm78maecan/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.scion-go-getter.com/mwev/
Unpacked files
SH256 hash:
7ec7c47de5927351c7035f8657a2dd91c42fd6ed6e4da309e34b87ef0b0ba785
MD5 hash:
171a2669225911b41301096cd9dcf19f
SHA1 hash:
dc25f1f69faec5174e489a0d1a18cf14cf7fd1b5
Link:
https://www.unpac.me/results/fe525145-fc30-41da-80ba-06b61d89e32b/
SH256 hash:
b50a2d6c4997b20ce301eb96d75838d587bc435b22b2f330332491200cd4d497
MD5 hash:
70f71e6d8e25628306fddaf64bad3e56
SHA1 hash:
ff8364d12e3e2b915a1f71889bd79a90f50d7b8c
Link:
https://www.unpac.me/results/fe525145-fc30-41da-80ba-06b61d89e32b/
SH256 hash:
0c11575232a84acd1d6d0b4fe8f9b6009cbaca05245212d909225604ea98c951
MD5 hash:
5601213aece87a7070bd0a1a420b69e4
SHA1 hash:
6d3d6dfa1b04fcf41f2c685b99366a228dcd86a5
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/fe525145-fc30-41da-80ba-06b61d89e32b/
Parent samples :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 hash:
99889ef9126eddb7fee40e181c9832c734f8cef74736e2c577438300b468751c
MD5 hash:
c0225f76705c05744918c724e3018649
SHA1 hash:
8fb4c2a855204c51c630b69ccfdf10f1135fe01e
Link:
https://www.unpac.me/results/fe525145-fc30-41da-80ba-06b61d89e32b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.95
Link:
https://yomi.yoroi.company/submissions/99889ef9126eddb7fee40e181c9832c734f8cef74736e2c577438300b468751c

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
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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.

Web download

Formbook

Executable exe 99889ef9126eddb7fee40e181c9832c734f8cef74736e2c577438300b468751c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1735308/
  
Delivery method
Distributed via web download

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