MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc4a97c809b221101e5bd66497e1c058c8b33913c336a74183c7d7f7caedc803. 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: 9


Intelligence 9 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fc4a97c809b221101e5bd66497e1c058c8b33913c336a74183c7d7f7caedc803
SHA3-384 hash: aec437757930faec9cca71012ff3700a5fc6de0a27d9817ee3d31d10405184efcab8159210a8f1dede1bb2220f40a05c
SHA1 hash: bca0cf7d4a30bb32a65091949bbfe5d93e087e31
MD5 hash: 2e56ef2fbc6e9d6eacdef3c1551b4d07
humanhash: india-bluebird-fanta-mexico
File name:2e56ef2fbc6e9d6eacdef3c1551b4d07.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:762'368 bytes
First seen:2021-01-12 17:08:08 UTC
Last seen:2021-01-13 21:47:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:+YDVZEdC3O9l8qGwG5R4lo94Ky2GA1/v3Rb2Ir2zMYuTXgnxieFUfd47F:+YBOC3O9l8qGKt+VVv3cm6MbTXcxfOdm
TLSH A6F4CF0461BC6FF2EA3E87F42646920543FD3A1F68AEE1B40CD134CB22A6F854655BD7
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
119
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2e56ef2fbc6e9d6eacdef3c1551b4d07.exe
Verdict:
Suspicious activity
Analysis date:
2021-01-12 18:38:59 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/51721404-5722-4a79-8055-da05c062d3ad

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/111543/
Detection(s):
SecuriteInfo.com.Trojan.Siggen11.57608.21313.23418.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a 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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/579246
Signature
.NET source code contains potential unpacker
Found malware configuration
Machine Learning detection for sample
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
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 AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 338667 Sample: rT3Nb3Nhqp.exe Startdate: 12/01/2021 Architecture: WINDOWS Score: 100 33 www.experiencemoretogether.com 2->33 35 experiencemoretogether.com 2->35 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 6 other signatures 2->49 11 rT3Nb3Nhqp.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\rT3Nb3Nhqp.exe.log, ASCII 11->31 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 15 rT3Nb3Nhqp.exe 11->15         started        18 rT3Nb3Nhqp.exe 11->18         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 20 explorer.exe 15->20 injected process9 dnsIp10 37 dayscosmetics.com 34.102.136.180, 49740, 49748, 80 GOOGLEUS United States 20->37 39 www.hoom.guru 52.203.178.217, 49741, 80 AMAZON-AESUS United States 20->39 41 5 other IPs or domains 20->41 51 System process connects to network (likely due to code injection or exploit) 20->51 24 chkdsk.exe 20->24         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 24->53 55 Maps a DLL or memory area into another process 24->55 57 Tries to detect virtualization through RDTSC time measurements 24->57 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fc4a97c809b221101e5bd66497e1c058c8b33913c336a74183c7d7f7caedc803/
Threat name:
ByteCode-MSIL.Trojan.Heracles
Create hunting rule
Status:
Malicious
First seen:
2021-01-12 09:33:21 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210112-b3vefzwah6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.bytecommunication.com/aky/
Unpacked files
SH256 hash:
64a419709ad219ffc006bda776b650da486d55048d2fa34525f40227da0e5c86
MD5 hash:
88c0ec8398978fa2e4240f02765086ad
SHA1 hash:
5a5c4935b2d70e890c89ad9332365f4f4aa86f3c
Link:
https://www.unpac.me/results/6984c4bf-2f06-4293-a38e-f2e7add49224/
SH256 hash:
b83959f4093f9d8f7d4b5c2bfba7383fb81b6e54791dff1d0269b35fd9a762eb
MD5 hash:
6a88ae3cba56499adabb5cddcd97c8a4
SHA1 hash:
d65708346df1a8ee5e50fb2b5f9605609a21f599
Link:
https://www.unpac.me/results/6984c4bf-2f06-4293-a38e-f2e7add49224/
SH256 hash:
0886cb189a2501ed59a473228a47d17fb6b4e29f810bf3c7e995c82ecba4fc69
MD5 hash:
2ce3b24c2b9360453d217ca2c117d66f
SHA1 hash:
fa4b14d19c125b17ab197706a27e8ebd709bae1b
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/6984c4bf-2f06-4293-a38e-f2e7add49224/
Parent samples :
c383b5258941145e0402f4d3be4b2f0c19dbcb842f9d2954e1acf8806a1b9800
fc4a97c809b221101e5bd66497e1c058c8b33913c336a74183c7d7f7caedc803
30dd3160b2a93b2b20726e2707ad4781b8e6e3802865fc1f0582a3b9eb1644e0
c58e2d245f99b53a5d4006c4f1daac8085b622eeab9958a576e7b82ae8e8380d
cf18069218b5b834227fa33133f629f24be9c582eeb0caaf0d7641520b1d9748
cc26bac0f47c7d3853f301243a6cca755b3eebd571133ddbb247998caa8d8682
02c0281a3070fbfa697f994301423a453091101f4c1c174360352e52e910642f
689ffe9ea264100eb4d4cac903a987565546976883721729f99ac40c049998e0
d8b5647390a41edddb0e0f20479a7723bf337ff86784335bb24decdb2a220a26
f730752f0004b350ae3feabc65cad92908079f4ced927cf320228621eec9bac8
6133a328e01379d6e45f954db62359ec9217b220a1e359253dd479bce7905b19
SH256 hash:
fc4a97c809b221101e5bd66497e1c058c8b33913c336a74183c7d7f7caedc803
MD5 hash:
2e56ef2fbc6e9d6eacdef3c1551b4d07
SHA1 hash:
bca0cf7d4a30bb32a65091949bbfe5d93e087e31
Link:
https://www.unpac.me/results/6984c4bf-2f06-4293-a38e-f2e7add49224/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fc4a97c809b221101e5bd66497e1c058c8b33913c336a74183c7d7f7caedc803

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe fc4a97c809b221101e5bd66497e1c058c8b33913c336a74183c7d7f7caedc803

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/954598/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/111543/

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