MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c1918e6b82babcd0ad5381e1a7f6778efd2e15f9f78cf49dc4c53bb3b05d304. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3c1918e6b82babcd0ad5381e1a7f6778efd2e15f9f78cf49dc4c53bb3b05d304
SHA3-384 hash: 2be38a51d90ef971a3ffe11beec0a5008cc01260f4c92407b90d79410bcc95f1b4522a2d20094c80788e836856811b3a
SHA1 hash: 8dbc681af18843c8cafdd50b12af852045636a8c
MD5 hash: cc46dfdf84886a6d8d4abb998329d2ce
humanhash: cup-march-twelve-monkey
File name:ungziped_file
Download: download sample
Signature Formbook
Create hunting rule
File size:1'111'552 bytes
First seen:2021-12-10 12:28:24 UTC
Last seen:2021-12-10 14:46:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:MvlsSZjhcw3l7SgDs5pCRwcrpH1Pl7Idp9Hn9:mlsEjhculu4Xt1AH9
TLSH T1E935017CF9835ACDD86957B93B7B9C70116B3D3A1577814DE41E32AB5A332423023A2B
File icon (PE):PE icon
dhash icon c4c0c4c4c4d4c4c4 (1 x Formbook)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
166
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ungziped_file
Verdict:
Malicious activity
Analysis date:
2021-12-10 12:54:34 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/81373614-819a-4c89-86d5-edbf327503a8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/213167/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.11452.9306.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61b3481247ed217c01394244/reports/f2a150f0-c72f-4f81-8046-f646e7b96335/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:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/76dfb6fe-39fb-4c4a-b94c-5af5f21b7bfe
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/905300
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
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
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 537778 Sample: ungziped_file Startdate: 10/12/2021 Architecture: WINDOWS Score: 100 31 www.vortex-crystal.com 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 8 other signatures 2->45 11 ungziped_file.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\ungziped_file.exe.log, ASCII 11->29 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 15 ungziped_file.exe 11->15         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 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.akaau.com 91.195.240.94, 49786, 80 SEDO-ASDE Germany 18->33 35 sakucyan.com 150.95.58.4, 49785, 80 INTERQGMOInternetIncJP Japan 18->35 37 11 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 49 Uses ipconfig to lookup or modify the Windows network settings 18->49 22 ipconfig.exe 18->22         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 22->51 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3c1918e6b82babcd0ad5381e1a7f6778efd2e15f9f78cf49dc4c53bb3b05d304/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-12-07 10:11:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hqmrrzvyfov42cwvhapbu73hpdx5fyk7t54m6so4jrj3woyf2mca._file
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:bnq2 loader rat suricata
Link:
https://tria.ge/reports/211210-pnw4jahgdl/
Behaviour
Gathers network information
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
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.lmgt.one/bnq2/
Unpacked files
SH256 hash:
92a2145cf85da79b7d769187d2175e20c0eec9be38e7693b3c6ca85e3fc46125
MD5 hash:
31b7d1103ff16b60d845114fd117e082
SHA1 hash:
583aadc85853bde63af803ce3ca880abdc9e35f8
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/66a562e8-7710-4da0-9697-53bdd9d62472/
Parent samples :
3c1918e6b82babcd0ad5381e1a7f6778efd2e15f9f78cf49dc4c53bb3b05d304
e68d65f2d19ca4d1d09bfc86fad9464689e1453f3c4488ef75dbb84041f22518
aef61e04be1ed29f19e1ad3f861c132466c578b12c462a00ad6f517024c139ae
c68894e6a7551cdf34c082a0ba372f9544d07aee0f2d09dfb7fed3e664e91aaf
SH256 hash:
631823de10980954240483c1ab124648ed465463d9e97833433f30df63c5e5e0
MD5 hash:
643f43a1b7db1ba6e2e7853ad4e53bec
SHA1 hash:
558a04f8ccc5a70a158ccd0264564d2068775e40
Link:
https://www.unpac.me/results/66a562e8-7710-4da0-9697-53bdd9d62472/
SH256 hash:
80855df0d7e7629d1f16cfecb7270f7db3ae6c1e32973803330862e531e69a53
MD5 hash:
2ee37952c40f8681eb58af6196d117da
SHA1 hash:
10f1c59089e1485b1440a47fbde89172dd000a29
Link:
https://www.unpac.me/results/66a562e8-7710-4da0-9697-53bdd9d62472/
SH256 hash:
3c1918e6b82babcd0ad5381e1a7f6778efd2e15f9f78cf49dc4c53bb3b05d304
MD5 hash:
cc46dfdf84886a6d8d4abb998329d2ce
SHA1 hash:
8dbc681af18843c8cafdd50b12af852045636a8c
Link:
https://www.unpac.me/results/66a562e8-7710-4da0-9697-53bdd9d62472/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/3c1918e6b82babcd0ad5381e1a7f6778efd2e15f9f78cf49dc4c53bb3b05d304

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 3c1918e6b82babcd0ad5381e1a7f6778efd2e15f9f78cf49dc4c53bb3b05d304

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/213167/

Comments