MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 931959c2c56185581ab2639948e3e207c5cb3c1e1c0225567c31f03a5b39e65d. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
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SHA256 hash: 931959c2c56185581ab2639948e3e207c5cb3c1e1c0225567c31f03a5b39e65d
SHA3-384 hash: 0aa979ac4338be88564f3da8ad0d48ef8e82ff19a1362358a853d190c424c3351df5c3218be61fd4d5db4fb926cf81fd
SHA1 hash: 7c6bcb0d6e1528af56b888657a26c186c818493b
MD5 hash: d2a8ef4a18e3c6dc377daf765b37a9ca
humanhash: item-burger-failed-hot
File name:d2a8ef4a18e3c6dc377daf765b37a9ca
Download: download sample
Signature Formbook
Create hunting rule
File size:542'192 bytes
First seen:2021-06-11 06:58:30 UTC
Last seen:2021-06-11 07:39:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:mQ985Wz2+Q38+VAYy2qoTGWA6Tp2x4tWKG1Gu7iTQezjBw5U1:c5MQ38tpsA6c4tc1Gu7Kzum1
Threatray 5'711 similar samples on MalwareBazaar
TLSH 36B423644A607D28D6E89BFABB8F6D87CD303D23F8902A99315CF14909F7344B9A541F
Reporter zbetcheckin
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
165
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d2a8ef4a18e3c6dc377daf765b37a9ca
Verdict:
Suspicious activity
Analysis date:
2021-06-11 06:59:23 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/673a2a9c-d6c2-47f8-a394-58786241c1a7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/166033/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.37074552.3129.11934.UNOFFICIAL
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Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a UDP request
Launching the default Windows debugger (dwwin.exe)
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:
Generic Malware
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0e42c0de-356e-44fe-a4e7-4dc3cf8e2b0e
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/800683
Signature
.NET source code contains potential unpacker
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 433079 Sample: dNeoJAgJU5 Startdate: 11/06/2021 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 6 other signatures 2->39 10 dNeoJAgJU5.exe 5 2->10         started        process3 file4 27 C:\Users\user\AppData\...\dNeoJAgJU5.exe, PE32 10->27 dropped 29 C:\Users\...\dNeoJAgJU5.exe:Zone.Identifier, ASCII 10->29 dropped 31 C:\Users\user\AppData\...\dNeoJAgJU5.exe.log, ASCII 10->31 dropped 13 dNeoJAgJU5.exe 10->13         started        16 dNeoJAgJU5.exe 10->16         started        process5 signatures6 47 Modifies the context of a thread in another process (thread injection) 13->47 49 Maps a DLL or memory area into another process 13->49 51 Sample uses process hollowing technique 13->51 53 Queues an APC in another process (thread injection) 13->53 18 explorer.exe 13->18 injected 55 Multi AV Scanner detection for dropped file 16->55 57 Tries to detect virtualization through RDTSC time measurements 16->57 process7 process8 20 msdt.exe 18->20         started        signatures9 41 Modifies the context of a thread in another process (thread injection) 20->41 43 Maps a DLL or memory area into another process 20->43 45 Tries to detect virtualization through RDTSC time measurements 20->45 23 cmd.exe 1 20->23         started        process10 process11 25 conhost.exe 23->25         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/931959c2c56185581ab2639948e3e207c5cb3c1e1c0225567c31f03a5b39e65d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-06-10 02:40:22 UTC
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=smmvtqwfmgcvqgvsmomury7ca7c4wpa6dqbckvt4ghyduwzz4zoq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
4d7785dcd99beca572613788bc8b0713ddda6da0c8df321b1402bc38e6880f88
Formbook
744400d590042d779a25401879f9906b979e32bba3fac355a0ff2d5a00f4fcfc
Formbook
78b11874a66b80ec78962b27c352a643d1a11c7f5cf9273f0db06df3f4f7e76c
Formbook
82de7428f30e703ae55105807dd3c3c19e2f8a377e7a5c2b925537a182d3a886
Formbook
92737036f323b1c72064c1e8038a942266435048a3ce4847f7e5b29558376c1c
Formbook
9dac57302e2261a1a3c6a665d3960525b27fb70a1fd6b1e135a3e72f11c6f3e6
Formbook
ad2a5569cb14f86fe191f54f6fecb7bf1fe389418858f5fc72e6367c9780a9f0
Formbook
c96cb19ea3541a6591f2be3cfe048a63b84fcd538f023144df86694a34d06934
Formbook
d8e0edf1cca3b6edefcd830e233131c593997b5bd4454891dc1b70614862f718
Formbook
e8be28fabd7cdb2d4e96137dae73bd9b227a86b654c696e9fd401cb37ec68267
Formbook
+ 5'701 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210611-znxtsycld6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.bucksnortneola.com/gw2/
Unpacked files
SH256 hash:
4d471e072f919c82bad0028a3a9f3e552db5943817037be8ea7ae48e6ffce834
MD5 hash:
271508ca8e847062cec20a5615dea0c2
SHA1 hash:
a85c10391790e500d441af7c72a66e3719892479
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/210ecba5-8b55-4a4c-89c7-1c4f44eab060/
SH256 hash:
8c0b01988af4d1e50d12e269dab768711077e385520d769746b43df0b4eea84d
MD5 hash:
63658baf405010958487eb17de013f01
SHA1 hash:
5089642288f1c56e4d5166f359a2ea9a93e76d26
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/210ecba5-8b55-4a4c-89c7-1c4f44eab060/
SH256 hash:
3b15c26ea382ba876477d2e6d5364ae3dc887026c5eb3e5a9efcfba6971ca7f7
MD5 hash:
cdc17b01a9f3e182f6e36a16691d22e6
SHA1 hash:
d54ad81f7ffdb75c4a4398d44256fbf3d3c899a8
Link:
https://www.unpac.me/results/210ecba5-8b55-4a4c-89c7-1c4f44eab060/
SH256 hash:
5f4248b56f7a69f5162bdd0c8ff3e9b97899c7aa4f1c22cd610975023d7f5ad7
MD5 hash:
5b167138698d8e3b650f554b6e01f28a
SHA1 hash:
334a03d784dea637c326505386b9d560155dd673
Link:
https://www.unpac.me/results/210ecba5-8b55-4a4c-89c7-1c4f44eab060/
SH256 hash:
931959c2c56185581ab2639948e3e207c5cb3c1e1c0225567c31f03a5b39e65d
MD5 hash:
d2a8ef4a18e3c6dc377daf765b37a9ca
SHA1 hash:
7c6bcb0d6e1528af56b888657a26c186c818493b
Link:
https://www.unpac.me/results/210ecba5-8b55-4a4c-89c7-1c4f44eab060/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/931959c2c56185581ab2639948e3e207c5cb3c1e1c0225567c31f03a5b39e65d

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:INDICATOR_KB_CERT_1f3216f428f850be2c66caa056f6d821
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
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.

Web download

Formbook

Executable exe 931959c2c56185581ab2639948e3e207c5cb3c1e1c0225567c31f03a5b39e65d

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1352791/
Cape
Cape
https://www.capesandbox.com/analysis/166033/

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