MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a52dca7952fc2f9e276a79f41db2de5dfc2f7cc77296a72534fb052e0deaf977. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
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SHA256 hash: a52dca7952fc2f9e276a79f41db2de5dfc2f7cc77296a72534fb052e0deaf977
SHA3-384 hash: 218d3a156af582bf9eacc3a69523d32c5c323aa0651fa1eb088e7570caef8278b1a446e085e2d2c8524cab935acdf758
SHA1 hash: 3fd29dab29673076b21c6f474253e860c412d9fd
MD5 hash: 35d54e66583b8bb8011d059684e5a4d0
humanhash: ceiling-vermont-autumn-mississippi
File name:Payment confirmation-PDF-.exe
Download: download sample
Signature Formbook
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File size:504'832 bytes
First seen:2022-06-14 13:37:45 UTC
Last seen:2022-06-14 14:48:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:V4ZGY1ewrXsq/EPWi8hqPRXUD70/cONifN7iqrTglD:V4ZGY1e6Xs2hqPRXUHBONiv
TLSH T112B4F1297FA3CD02C2A86737D9D1560403B4B6469217E74F2ACE726849037EB4DCE79B
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
232
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
Payment confirmation-PDF-.exe
Verdict:
Malicious activity
Analysis date:
2022-06-14 22:39:32 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/983471e1-7760-406b-bcbf-45a2c67e5511

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/279817/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.19654.4249.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed shell32.dll
Link:
https://www.filescan.io/uploads/62a88f428763ffd4adc37b8b/reports/fecc4728-d609-4765-a9f0-4cf1843a7232/overview
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/de81f503-06c2-45a2-a771-f45b0210b8fd
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1012971
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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 dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 645475 Sample: Payment confirmation-PDF-.exe Startdate: 14/06/2022 Architecture: WINDOWS Score: 100 54 www.pgvc.site 2->54 58 Snort IDS alert for network traffic 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Antivirus detection for URL or domain 2->62 64 13 other signatures 2->64 11 Payment confirmation-PDF-.exe 7 2->11         started        signatures3 process4 file5 40 C:\Users\user\AppData\...\RRCfLrjjdNIXc.exe, PE32 11->40 dropped 42 C:\...\RRCfLrjjdNIXc.exe:Zone.Identifier, ASCII 11->42 dropped 44 C:\Users\user\AppData\Local\...\tmp8D3C.tmp, XML 11->44 dropped 46 C:\...\Payment confirmation-PDF-.exe.log, ASCII 11->46 dropped 70 Adds a directory exclusion to Windows Defender 11->70 72 Injects a PE file into a foreign processes 11->72 15 Payment confirmation-PDF-.exe 11->15         started        18 powershell.exe 25 11->18         started        20 schtasks.exe 1 11->20         started        signatures6 process7 signatures8 80 Modifies the context of a thread in another process (thread injection) 15->80 82 Maps a DLL or memory area into another process 15->82 84 Sample uses process hollowing technique 15->84 86 Queues an APC in another process (thread injection) 15->86 22 explorer.exe 15->22 injected 25 conhost.exe 18->25         started        27 conhost.exe 20->27         started        process9 signatures10 66 System process connects to network (likely due to code injection or exploit) 22->66 68 Performs DNS queries to domains with low reputation 22->68 29 rundll32.exe 22->29         started        process11 signatures12 74 Modifies the context of a thread in another process (thread injection) 29->74 76 Maps a DLL or memory area into another process 29->76 78 Tries to detect virtualization through RDTSC time measurements 29->78 32 explorer.exe 151 29->32         started        36 cmd.exe 1 29->36         started        process13 dnsIp14 48 nichesforyou.com 162.0.235.25, 49892, 80 NAMECHEAP-NETUS Canada 32->48 50 www.beautifulskinanddiet.com 209.99.40.222, 49948, 80 CONFLUENCE-NETWORK-INCVG United States 32->50 52 3 other IPs or domains 32->52 56 System process connects to network (likely due to code injection or exploit) 32->56 38 conhost.exe 36->38         started        signatures15 process16
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a52dca7952fc2f9e276a79f41db2de5dfc2f7cc77296a72534fb052e0deaf977/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-06-14 09:01:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uuw4u6ks7qxz4j3kph2b3mw6lx6c67ghoklkojju7mcs4dpk7f3q._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:ae25 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220614-qxdh8aade3/
Behaviour
Creates scheduled task(s)
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
930ad9d2cb793005580bfce82af3f49650d738e691a6a9aef537d8d3d47516a1
MD5 hash:
d1c4c7f310fb64891a1cdfedd62eeed1
SHA1 hash:
9b89d545bb9b25dd43fba3eb0b695ce186c29271
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/86bcd571-9fba-41b8-8ae5-f99571e67b9d/
Parent samples :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 hash:
5003772f4fd9926686844c2cec8942185a6c1ba04db37a53db7b8dcb62ad7597
MD5 hash:
e2f9413000db325978918fc0e3185ddc
SHA1 hash:
f0d340f547d43c41a4199b0ef0dd64e7fd358c24
Link:
https://www.unpac.me/results/86bcd571-9fba-41b8-8ae5-f99571e67b9d/
SH256 hash:
a667559560cfe4275b5b58513445810a4011550cc5bca652d09f673077c7404a
MD5 hash:
108f58843782fa6003c17b55322c8c87
SHA1 hash:
d265f7ebe4fe7a743b5fc42fd42fb628b7c10558
Link:
https://www.unpac.me/results/86bcd571-9fba-41b8-8ae5-f99571e67b9d/
SH256 hash:
2fe9852668ae6b7715a5c6f8764744f9cb2ef3163adf0f360728f628d42ce916
MD5 hash:
26bfda201145c515616dbb9243785084
SHA1 hash:
4133e7329a79766bbe670a398fdfb442eb70487d
Link:
https://www.unpac.me/results/86bcd571-9fba-41b8-8ae5-f99571e67b9d/
SH256 hash:
a52dca7952fc2f9e276a79f41db2de5dfc2f7cc77296a72534fb052e0deaf977
MD5 hash:
35d54e66583b8bb8011d059684e5a4d0
SHA1 hash:
3fd29dab29673076b21c6f474253e860c412d9fd
Link:
https://www.unpac.me/results/86bcd571-9fba-41b8-8ae5-f99571e67b9d/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a52dca7952fc/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a52dca7952fc2f9e276a79f41db2de5dfc2f7cc77296a72534fb052e0deaf977

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:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/279817/

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