MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2c74b3cf30c4c89fcd341129917f850be3faf7f7f91646545e7d65106a30dfb0. 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: 2c74b3cf30c4c89fcd341129917f850be3faf7f7f91646545e7d65106a30dfb0
SHA3-384 hash: f88f13f28e43a90fa7fe851cf989934ccaad1f5e5133ed986686acdbfa905b79adf05ede3b44eacc7a900fbebcbb37cf
SHA1 hash: d4e4f93178c58c1acc27f0a12fc35a48518ee737
MD5 hash: a824c5b664b7d220420667535f6f7943
humanhash: may-october-two-india
File name:a824c5b664b7d220420667535f6f7943.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:532'480 bytes
First seen:2021-10-28 15:44:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:gj7h44WuSq+t2D5RmVbKPJTH6sYT+XhIf46F6tsH2pQ:27w11Oj2mPJTHHDIf4yWtpQ
Threatray 10'910 similar samples on MalwareBazaar
TLSH T151B4DF00F2648636F9785A7155D37250CE2CADA154158A866BBE378F7F732D08F0EACE
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
170
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/200979/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.6999.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
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f7c6a0e3-cab1-4d3a-9cd8-79d300f685cb
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/878725
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 submitted file
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: 511160 Sample: CJZjzHbCz1.exe Startdate: 28/10/2021 Architecture: WINDOWS Score: 100 39 www.hbjj2a.com 2->39 41 hbjj2a.com 2->41 43 clientconfig.passport.net 2->43 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 11 CJZjzHbCz1.exe 3 2->11         started        signatures3 process4 file5 37 C:\Users\user\AppData\...\CJZjzHbCz1.exe.log, ASCII 11->37 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 15 CJZjzHbCz1.exe 11->15         started        18 CJZjzHbCz1.exe 11->18         started        20 CJZjzHbCz1.exe 11->20         started        22 CJZjzHbCz1.exe 11->22         started        signatures6 process7 signatures8 71 Modifies the context of a thread in another process (thread injection) 15->71 73 Maps a DLL or memory area into another process 15->73 75 Sample uses process hollowing technique 15->75 77 Queues an APC in another process (thread injection) 15->77 24 explorer.exe 15->24 injected process9 dnsIp10 45 klaesi.net 81.169.145.82, 49777, 80 STRATOSTRATOAGDE Germany 24->45 47 www.xxtjzmzzahg.com 180.215.129.31, 49779, 80 BCPL-SGBGPNETGlobalASNSG Singapore 24->47 49 www.klaesi.net 24->49 59 System process connects to network (likely due to code injection or exploit) 24->59 28 systray.exe 24->28         started        31 autochk.exe 24->31         started        signatures11 process12 signatures13 63 Self deletion via cmd delete 28->63 65 Modifies the context of a thread in another process (thread injection) 28->65 67 Maps a DLL or memory area into another process 28->67 69 Tries to detect virtualization through RDTSC time measurements 28->69 33 cmd.exe 1 28->33         started        process14 process15 35 conhost.exe 33->35         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2c74b3cf30c4c89fcd341129917f850be3faf7f7f91646545e7d65106a30dfb0/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-10-28 15:22:53 UTC
AV detection:
16 of 45 (35.56%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
043b45f9d94820186d7324c5f6e0fd7661de15ad29104fd43294e2f3839efa06
Formbook
2ac830fd4c5c4c3522b5cb9983edc13f2580b932875bc9daeb02633b8829fb3b
Formbook
2eec14d00309c58144cc8234ebc9c5c4c9d81a3511f45830e50a3929fe2b158a
Formbook
4bdd5968c006f979c68ba686942695680950574bba495136b26bdd166d537ede
Formbook
4c5887639c1dfcc0349690d98e9c8034029a6fa2f2e6bdbba96371bf23ce3301
Formbook
7024147e75938acd54b804df172c63b57c794e1980632c5f8190ae1e9d0da82a
Formbook
83708560ecc442b5b6dadbdf5af39ae4f1e843664c932a9de3eff1e38bf6d4a5
Formbook
90661f85c7864f95181eceebf32eafd0b4b166aebdfdf5529edfc3a3dd6c0715
Formbook
92c90d735148f7fd056e2d53bf44239f3fdab6b029e78d3ed6077d9c7f40aef2
Formbook
d95ea981292e062e17b671022beaf00ee5c5ad6fbebf092096de7f1ecf27c4c1
Formbook
+ 10'900 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ad6n rat spyware stealer trojan
Link:
https://tria.ge/reports/211028-s6kd8sbgh9/
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.didimthebestkuafor.com/ad6n/
Unpacked files
SH256 hash:
def784268365dae11e6a6b197ec699791763566672fbcec5ee0e6ab084b0ea5d
MD5 hash:
9b08e9c56068008f5893fd4f7b6bf573
SHA1 hash:
8c88a1c68455d6f7be3d275bd9ac8f4fd2a09bde
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/a090a6b1-4bff-45fc-a54e-565cd8c9d95f/
Parent samples :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 hash:
806a8ae55a9a1580e05acbb311c123b59a2c4c7b6119126ab54dcd48c7cfdcf3
MD5 hash:
5d03cf3cd3eda0fbca38af65ac1138f3
SHA1 hash:
821db5733bdd9a6fdfbe08157a13eee3f99e4de6
Link:
https://www.unpac.me/results/a090a6b1-4bff-45fc-a54e-565cd8c9d95f/
SH256 hash:
4d1ee061c817ea30ca4e461a4f44388662c1c1c2775be2b323858ddbc1679b35
MD5 hash:
1b6d3d31872537cc611ff4322ffc1099
SHA1 hash:
0108adafb207ce044bfb3f7933da45594c545bee
Link:
https://www.unpac.me/results/a090a6b1-4bff-45fc-a54e-565cd8c9d95f/
SH256 hash:
2c74b3cf30c4c89fcd341129917f850be3faf7f7f91646545e7d65106a30dfb0
MD5 hash:
a824c5b664b7d220420667535f6f7943
SHA1 hash:
d4e4f93178c58c1acc27f0a12fc35a48518ee737
Link:
https://www.unpac.me/results/a090a6b1-4bff-45fc-a54e-565cd8c9d95f/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/2c74b3cf30c4/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/2c74b3cf30c4c89fcd341129917f850be3faf7f7f91646545e7d65106a30dfb0

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
Create hunting rule
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 2c74b3cf30c4c89fcd341129917f850be3faf7f7f91646545e7d65106a30dfb0

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/200979/
  
URLhaus
https://urlhaus.abuse.ch/url/1705792/
  
Delivery method
Distributed via web download

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