MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fcb7e25d33700d8f04ab05d2fc0cba77dc5ccf6a32b93abc3511dcfb608dbc9e. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fcb7e25d33700d8f04ab05d2fc0cba77dc5ccf6a32b93abc3511dcfb608dbc9e
SHA3-384 hash: e4c9b6b50545c74e31066dfd35fb516bd7b2c65dce5010aed90207fd451863ebe515e5965291f317dfa006582ae1c420
SHA1 hash: 78529e67ac1d3cde77de6fe7fb5d99471f02e388
MD5 hash: 40f14c49b952aa5ff20f9679f1bd13e1
humanhash: double-finch-cola-social
File name:TT copy for our Payment.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:576'512 bytes
First seen:2021-10-29 11:54:40 UTC
Last seen:2021-10-29 13:21:32 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 12288:7lfZxT0B1aKE2DQBdrJ/X58qja+ijH5nFiD2:7lfZxTkmdt/X5pcnE
Threatray 10'952 similar samples on MalwareBazaar
TLSH T145C4366352FD66FBE168077844530A2A0FA17F327A73EA0D5EB638F52731F814922D52
File icon (PE):PE icon
dhash icon 016af682a280a907 (15 x AgentTesla, 2 x AveMariaRAT, 1 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
132
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
hhhhh.exe
Verdict:
Malicious activity
Analysis date:
2021-10-29 10:43:29 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/aae027cc-96a4-4095-a02a-163d280dfe1b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.6999.UNOFFICIAL
Create hunting rule

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:
UNKNOWN
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/9a6e4ff6-0740-44c6-b00b-167fe7138c8a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/879263
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
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: 511697 Sample: TT copy for our Payment.exe Startdate: 29/10/2021 Architecture: WINDOWS Score: 100 36 www.hattuafhv.quest 2->36 40 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 10 other signatures 2->46 11 TT copy for our Payment.exe 3 2->11         started        signatures3 process4 file5 28 C:\Users\...\TT copy for our Payment.exe.log, ASCII 11->28 dropped 14 TT copy for our Payment.exe 11->14         started        process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.smartmapom.com 17->30 32 www.guttas.net 17->32 34 2 other IPs or domains 17->34 38 System process connects to network (likely due to code injection or exploit) 17->38 21 mstsc.exe 17->21         started        signatures10 process11 signatures12 48 Self deletion via cmd delete 21->48 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fcb7e25d33700d8f04ab05d2fc0cba77dc5ccf6a32b93abc3511dcfb608dbc9e/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-10-29 11:55:07 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7s36exjtoagy6bflaxjpydf2o7ofzt3kgk4tvpbvchopwyenxspa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1ee20ec28c5649c69a2cab43e7f7e99d9f6c839cc5ae5ed2e279281682fe3b53
Formbook
2c74b3cf30c4c89fcd341129917f850be3faf7f7f91646545e7d65106a30dfb0
Formbook
2eec14d00309c58144cc8234ebc9c5c4c9d81a3511f45830e50a3929fe2b158a
Formbook
4bdd5968c006f979c68ba686942695680950574bba495136b26bdd166d537ede
Formbook
85601ede72b1c348db5663e3782e7b3f3157c2356e2c90b769bb2afc2d476e4c
Formbook
8aa346b87c8d3d53fb5265cd0c04bbd3c8c978b7e1eb7b2e0958c078322d75e9
Formbook
972f5e016ffc306524d7083a5a5058ba8b5fc60f3db9f3c0915db59c0523a487
Formbook
aea2232a122d01c07c5d7e6a10ceef2d2ffa58c10812f95f965f17aa78e82efa
Formbook
e83ce530468ceacafc364791ce8de4cdc2b456cb0df25b93ac4055a99b031702
Formbook
f13197aff6f530d9883aa1787cd57f4580c4c92bcaa5100f2641924c3e6867a5
Formbook
+ 10'942 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:r4gk rat spyware stealer trojan
Link:
https://tria.ge/reports/211029-n3fvesdca2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.aprilsaak.quest/r4gk/
Unpacked files
SH256 hash:
c61f6a0fd94660d9cc012788f67e089482e2b9743b00fa2c19dca96abfe833f6
MD5 hash:
8bb6b6d0be4eba9ea6eac2d16dc37860
SHA1 hash:
34e95e9a52e8252c6ef2d2d174834673afc3d0f7
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/660cd242-14ab-42aa-a6ed-79abba606b21/
Parent samples :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 hash:
32b55dfac6b9760a3de0f5c595226b7ecb0d6361b60b187d4a0144f2c7a94b6c
MD5 hash:
ac0ca1117719305c3bdb5a20cffdfbcb
SHA1 hash:
f60ce1abfd4ba563e88227b353c9ea7ea47924ae
Link:
https://www.unpac.me/results/660cd242-14ab-42aa-a6ed-79abba606b21/
SH256 hash:
4d1ee061c817ea30ca4e461a4f44388662c1c1c2775be2b323858ddbc1679b35
MD5 hash:
1b6d3d31872537cc611ff4322ffc1099
SHA1 hash:
0108adafb207ce044bfb3f7933da45594c545bee
Link:
https://www.unpac.me/results/660cd242-14ab-42aa-a6ed-79abba606b21/
SH256 hash:
fcb7e25d33700d8f04ab05d2fc0cba77dc5ccf6a32b93abc3511dcfb608dbc9e
MD5 hash:
40f14c49b952aa5ff20f9679f1bd13e1
SHA1 hash:
78529e67ac1d3cde77de6fe7fb5d99471f02e388
Link:
https://www.unpac.me/results/660cd242-14ab-42aa-a6ed-79abba606b21/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/fcb7e25d3370/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/fcb7e25d33700d8f04ab05d2fc0cba77dc5ccf6a32b93abc3511dcfb608dbc9e

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
Create hunting rule
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.

Malspam

Formbook

Executable exe fcb7e25d33700d8f04ab05d2fc0cba77dc5ccf6a32b93abc3511dcfb608dbc9e

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments