MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66972078954fd71e073a89c4106dcd4a2bfa4f3ed89ab2ec638f0ba81c9bed30. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 66972078954fd71e073a89c4106dcd4a2bfa4f3ed89ab2ec638f0ba81c9bed30
SHA3-384 hash: 7b4fe51dd70a35a18d7e22e578d0f9d3de024c50bb1feb294c443812abf22584c246f28bea00085b9da8a6059f12bd33
SHA1 hash: 18ee10a5020e2babc8bf7857aaa2bf4df97a3ea6
MD5 hash: 3653f4803ebe780a408b326ca3d8cc73
humanhash: robert-mike-romeo-beryllium
File name:SecuriteInfo.com.Suspicious.Win32.Save.a.19407.7611
Download: download sample
Signature Formbook
Create hunting rule
File size:896'000 bytes
First seen:2022-04-15 15:40:50 UTC
Last seen:2022-04-20 10:20:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:n7Tjdphh4BHmiUBLjmXpRwMComBeEOhmWq9WJjvk3rT83Yi2NB5HnBD4IsgsGtPa:n73hmpxe43LojOhLqcJjvI38eTaY
Threatray 13'003 similar samples on MalwareBazaar
TLSH T11715BE9C762071EFD867CC32DE981C64AA9435BB833B82139073D5A99A4D8D7DF244F2
TrID 30.2% (.EXE) Win64 Executable (generic) (10523/12/4)
18.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
14.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.9% (.EXE) Win32 Executable (generic) (4505/5/1)
5.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 332363132d353307 (6 x Formbook, 1 x SnakeKeylogger, 1 x Loki)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
380
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Suspicious.Win32.Save.a.19407.7611
Verdict:
Malicious activity
Analysis date:
2022-04-15 15:43:50 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/4d115f52-53e6-44b2-ad01-1cd94b7eae08

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/264006/
Detection(s):
SecuriteInfo.com.Suspicious.Win32.Save.a.19407.7611.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a custom TCP request
Сreating synchronization primitives
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6259920eeab80a7a6c1d5396/reports/d7313569-06fb-4588-8acd-63c06c6baee6/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b065006c-0b63-4781-a194-9f0b2d5fb0a6
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/977463
Signature
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
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 schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 609950 Sample: SecuriteInfo.com.Suspicious... Startdate: 15/04/2022 Architecture: WINDOWS Score: 100 39 www.sishedh.xyz 2->39 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Multi AV Scanner detection for domain / URL 2->49 51 Found malware configuration 2->51 53 16 other signatures 2->53 9 SecuriteInfo.com.Suspicious.Win32.Save.a.19407.exe 7 2->9         started        signatures3 process4 file5 31 C:\Users\user\AppData\Roaming\FYwfxWci.exe, PE32 9->31 dropped 33 C:\Users\...\FYwfxWci.exe:Zone.Identifier, ASCII 9->33 dropped 35 C:\Users\user\AppData\Local\...\tmp7186.tmp, XML 9->35 dropped 37 SecuriteInfo.com.S...ave.a.19407.exe.log, ASCII 9->37 dropped 57 Uses schtasks.exe or at.exe to add and modify task schedules 9->57 59 Writes to foreign memory regions 9->59 61 Adds a directory exclusion to Windows Defender 9->61 63 Injects a PE file into a foreign processes 9->63 13 vbc.exe 9->13         started        16 powershell.exe 25 9->16         started        18 schtasks.exe 1 9->18         started        signatures6 process7 signatures8 71 Modifies the context of a thread in another process (thread injection) 13->71 73 Maps a DLL or memory area into another process 13->73 75 Sample uses process hollowing technique 13->75 77 2 other signatures 13->77 20 explorer.exe 13->20 injected 24 conhost.exe 16->24         started        26 conhost.exe 18->26         started        process9 dnsIp10 41 www.osmium-institute-paraguay.com 85.126.108.121, 49847, 80 LIBERTYGLOBALLibertyGlobalformerlyUPCBroadbandHolding Austria 20->41 43 stripmywalls.com 68.178.246.186, 49850, 80 AS-26496-GO-DADDY-COM-LLCUS United States 20->43 45 3 other IPs or domains 20->45 55 System process connects to network (likely due to code injection or exploit) 20->55 28 WWAHost.exe 20->28         started        signatures11 process12 signatures13 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
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/66972078954fd71e073a89c4106dcd4a2bfa4f3ed89ab2ec638f0ba81c9bed30/
Threat name:
ByteCode-MSIL.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2022-04-15 15:41:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m2lsa6evj7lr4bz2rhcba3onjiv7utz63cnlf3ddr4f2qhe35uya._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
3fbed13bf271b55a9eca7fe2e7ec051fb9e4b02ace3dce84468b1acb57962fb4
Formbook
5a4fc9ae9589145ea8718412a44417f39370dbc809b8d93a6650b1247b011b7f
Formbook
8e7a6dbb2098baeb2669737e69b40625b4b046ab8145acc530c21bedab7f223d
Formbook
95c6926c4af01e7a782b16967a66b3c349f24a6ab2393b1a20c47e28a1ad7249
Formbook
a102818080dee054dc3006ca676c09a7c0b398e0fa29164d86ee0978cd38d183
Formbook
ae9f0346b40cfbd4c996fa4c44dc84cbc39ee02785059b02138474a0cb0acd46
Formbook
d36aed39f3fb785951a4e948bcb4f86033a398ee0ddfef85040564751918b669
Formbook
da0cceaa1bfab5fc8ceaf36994bf5a5fc06dcf60229a50135abd91beec0cd4f5
Formbook
f469b5c967ff28b96444a48b6769ccde102417de9d59df1878bfe486ade890dd
Formbook
+ 12'993 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:ee3s loader rat
Link:
https://tria.ge/reports/220415-s4q41abbb7/
Behaviour
Creates scheduled task(s)
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Uses the VBS compiler for execution
Xloader Payload
Xloader
Unpacked files
SH256 hash:
77710db4fd14880886d0e77d163a7ed0f6a311b3fd61b859a0f2f2ef64e277cf
MD5 hash:
74fe265e2ea66172534ef558b23c19d6
SHA1 hash:
b831039199260d29a1de3a468b5ee9f26dae4959
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/87822c43-1b4d-47b7-9349-f0a09123e594/
Parent samples :
d7e61a797f06ffccc8107b01d621197d674beb04dc0021c4a38675f6e7ff5680
5759b13137e1091398f834fc26b2b681adcce1dfaa83b9a0ab399b1566b9e69b
471429e2686887cf2416e11d6d9c2a36f639f7b971db1d7b013b933ae3f3bd6c
d36aed39f3fb785951a4e948bcb4f86033a398ee0ddfef85040564751918b669
66972078954fd71e073a89c4106dcd4a2bfa4f3ed89ab2ec638f0ba81c9bed30
SH256 hash:
af1f5074eff36653e6d54c5c7aabf990aee2cc70a72db4cfb1707e452349c574
MD5 hash:
fc0ae7f6d4aa4aa2c27c26407936ec3d
SHA1 hash:
dfa9b61be7f02298605ffe7e007617016c9bfc2b
Link:
https://www.unpac.me/results/87822c43-1b4d-47b7-9349-f0a09123e594/
SH256 hash:
32bb9c76cfbc396f689f61cf33688818af4a2f5f728bca6928d89ec654520f6c
MD5 hash:
7128370941bf8d042d618758a8b69856
SHA1 hash:
d1ee344c33f87c9fb68242548de6dff038fef458
Link:
https://www.unpac.me/results/87822c43-1b4d-47b7-9349-f0a09123e594/
SH256 hash:
a403c2db4a0040691d3805b2829b6b3243e5882e44310f0d8966d0112d724ab4
MD5 hash:
b880c011d832e1dd0b3b8b237f25a15a
SHA1 hash:
146647a6523bf0886e604b516827afb0373d70f4
Link:
https://www.unpac.me/results/87822c43-1b4d-47b7-9349-f0a09123e594/
SH256 hash:
66972078954fd71e073a89c4106dcd4a2bfa4f3ed89ab2ec638f0ba81c9bed30
MD5 hash:
3653f4803ebe780a408b326ca3d8cc73
SHA1 hash:
18ee10a5020e2babc8bf7857aaa2bf4df97a3ea6
Link:
https://www.unpac.me/results/87822c43-1b4d-47b7-9349-f0a09123e594/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/66972078954f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/66972078954fd71e073a89c4106dcd4a2bfa4f3ed89ab2ec638f0ba81c9bed30

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/264006/

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