MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 241582074a493ed1b28fa87dcab270e4057eac6fbe0171e14dce9f99c601f2b3. 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: 241582074a493ed1b28fa87dcab270e4057eac6fbe0171e14dce9f99c601f2b3
SHA3-384 hash: e5a36ed4a2ed1981c6180a2ede091bade8ed2ee6ca7f821ed8c69900b57149adff249cbc865d9a5b2073c46c1d0c8eff
SHA1 hash: 4c20e29233ac278b3ecaa150f6026c09a7f86e7a
MD5 hash: 3f173af48a4d20fcd9b276282b597544
humanhash: hamper-alpha-nebraska-alaska
File name:3f173af48a4d20fcd9b276282b597544.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:745'472 bytes
First seen:2021-11-22 13:37:41 UTC
Last seen:2021-11-22 15:49:13 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:h8OF+HRZjhtHbuqrwkrDnGNLoeQ+p6teqPewMbGn:4KqM4DGNm+pieNwyG
Threatray 11'440 similar samples on MalwareBazaar
TLSH T129F46B30329573A6CC765BB40C6461C42737B6493D08DB5DACC922DE6D62F2B8B237A7
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
123
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3f173af48a4d20fcd9b276282b597544.exe
Verdict:
Suspicious activity
Analysis date:
2021-11-23 00:02:51 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/70f7f3fc-ebd2-4176-9c5d-cd86c7bb20b8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.20937.30669.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/619b9d3d94a88037d2fe6c07/reports/357d5508-5dd5-486d-a555-751918f837c7/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/ec4ebfbb-8670-4f0c-a754-34bd3fa9945c
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/893865
Signature
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)
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
Self deletion via cmd delete
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
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: 526348 Sample: NxYNG6zxNe.exe Startdate: 22/11/2021 Architecture: WINDOWS Score: 100 31 www.cdg567.com 2->31 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 7 other signatures 2->45 11 NxYNG6zxNe.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...29xYNG6zxNe.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 15 NxYNG6zxNe.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 33 allandalucia.com 170.10.162.61, 49833, 80 STEADFASTUS United States 18->33 35 www.espace-naturozen.com 172.67.218.49, 49787, 80 CLOUDFLARENETUS United States 18->35 37 3 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 svchost.exe 18->22         started        signatures11 process12 signatures13 49 Self deletion via cmd delete 22->49 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/241582074a493ed1b28fa87dcab270e4057eac6fbe0171e14dce9f99c601f2b3/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-11-22 09:02:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
32
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
314bd86207357fc3a95e237d2728a03369d2707a9c6adc333d6a5398bfc80767
Formbook
3204a354d2ccb2058144116ede288693583a38b0c84b41903c2ceaebd19e9348
Formbook
4253f88eb5e931720c16e56f49babfbf8db93eaa8b6f85146cc2d690aee2b9d2
Formbook
5824f8d2a1ca44f7fb1aa815930628448e183d6f9344a3f289c8a56953a52afb
Formbook
5fd22c8bf1e7e06ccaa6ebc23410086fe0e3bc30b1613cd6ee734f280c0d6979
Formbook
6cbe56928a6ebd559194c8ca4537521d2485a728598d679d2d70de7052cb1501
Formbook
7c0ab1d837684e8d37e75578f4821e25d7729cb9d3739f397cabbb9c95f2ddae
Formbook
7c7e7d1ad3f8afd0ffcba163bac7c1df9ceb8202a96a61b30b697569e00051b0
Formbook
9a6e0dd1aa4fe9b84fd6addd707202aacf0e296c30ab3e49fa2e1aed6dba4ad3
Formbook
+ 11'430 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:btn2 rat spyware stealer trojan
Link:
https://tria.ge/reports/211122-qxefhsaeh7/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.premiumhealthyoptions.com/btn2/
Unpacked files
SH256 hash:
94e9cbc1d0eec1db170d3428cfa6f1119eced5fbb8817ba854d83696bb7af2a9
MD5 hash:
47c89fbd29929fbc9f92eff94c2d58ce
SHA1 hash:
3b4808b77b96dc55973970f6614fca949c9b1fb4
Detections:
win_formbook_g0
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win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/82781a4c-654c-45ee-8d94-ee9d0540d580/
Parent samples :
862aab1f62349d70f33bdfbcfba008e6ffbf499c6e79e6f701641f478e5e30b2
241582074a493ed1b28fa87dcab270e4057eac6fbe0171e14dce9f99c601f2b3
9b67f9dad10824c82b845955f11d5db737afb670aea11cd8717f4487b332874a
SH256 hash:
a7e65f441942b892041cdcb2c799953cc4839f376c1c2fccdcefeb6329e60d1a
MD5 hash:
ea8afdaa2a5e4a1550ec0967cdfa0c40
SHA1 hash:
2ced2c839d7a878dd023cfc9594f9a12a7278ed8
Link:
https://www.unpac.me/results/82781a4c-654c-45ee-8d94-ee9d0540d580/
SH256 hash:
f30ca642597c059f9dbcc6cfea27687245fbcaf5456be0b7a4528d946f3a0a05
MD5 hash:
0f6349011cf5446131faf0cadbace87b
SHA1 hash:
0cd48b5cb5a0ca095043c333c9002ba5273e92e8
Link:
https://www.unpac.me/results/82781a4c-654c-45ee-8d94-ee9d0540d580/
SH256 hash:
241582074a493ed1b28fa87dcab270e4057eac6fbe0171e14dce9f99c601f2b3
MD5 hash:
3f173af48a4d20fcd9b276282b597544
SHA1 hash:
4c20e29233ac278b3ecaa150f6026c09a7f86e7a
Link:
https://www.unpac.me/results/82781a4c-654c-45ee-8d94-ee9d0540d580/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/241582074a49/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/241582074a493ed1b28fa87dcab270e4057eac6fbe0171e14dce9f99c601f2b3

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 241582074a493ed1b28fa87dcab270e4057eac6fbe0171e14dce9f99c601f2b3

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1799979/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/208188/

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