MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fdf3aa0df3a0d4a6d053c55b970ad22f71f5db88f2da4f94bc18f1926b731f1b. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fdf3aa0df3a0d4a6d053c55b970ad22f71f5db88f2da4f94bc18f1926b731f1b
SHA3-384 hash: 769dca1d81e5a0b4133be03e410affe51ac08c6437029f66d5dc7116c04bf1a982765dc6eb26a4d92343ddaebf5f5d9f
SHA1 hash: cedbfdb6bd9d4ee9397d2fe0bfab563b01c9ba2a
MD5 hash: 957014bc66c96533ca3cf65a5b355038
humanhash: mexico-louisiana-ceiling-tennessee
File name:02-016.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:750'080 bytes
First seen:2021-02-16 07:54:18 UTC
Last seen:2021-02-17 22:03:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:nX6Orlv+6cJ/QlI2eUBvV+klwuimKb0aw1xcA6i5zDJEkcYv2tasGHW:X6O5Lg/XUB9+jPsxJ6i5zDeyutasoW
Threatray 5'517 similar samples on MalwareBazaar
TLSH EEF4028133AD9F4BE57F63F62935240183F5682A3A31E349ADC221DB18A2F508F55F5B
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
97
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/117310/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.42845.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
Enabling autorun by creating a file
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/608690
Signature
Antivirus detection for URL or domain
Binary contains a suspicious time stamp
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)
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
Sigma detected: Scheduled temp file as task from temp location
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 virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 353375 Sample: 02-016.exe Startdate: 16/02/2021 Architecture: WINDOWS Score: 100 44 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 11 other signatures 2->50 10 02-016.exe 6 2->10         started        process3 file4 32 C:\Users\user\AppData\Roaming32PFWxIEmY.exe, PE32 10->32 dropped 34 C:\Users\user\AppData\Local\...\tmpAD6B.tmp, XML 10->34 dropped 36 C:\Users\user\AppData\...\02-016.exe.log, ASCII 10->36 dropped 60 Tries to detect virtualization through RDTSC time measurements 10->60 62 Injects a PE file into a foreign processes 10->62 14 02-016.exe 10->14         started        17 schtasks.exe 1 10->17         started        signatures5 process6 signatures7 64 Modifies the context of a thread in another process (thread injection) 14->64 66 Maps a DLL or memory area into another process 14->66 68 Sample uses process hollowing technique 14->68 70 Queues an APC in another process (thread injection) 14->70 19 explorer.exe 14->19 injected 23 conhost.exe 17->23         started        process8 dnsIp9 38 www.getyoursofa.com 162.241.30.16, 49742, 80 UNIFIEDLAYER-AS-1US United States 19->38 40 battalionice.com 34.102.136.180, 49741, 80 GOOGLEUS United States 19->40 42 4 other IPs or domains 19->42 52 System process connects to network (likely due to code injection or exploit) 19->52 25 netsh.exe 19->25         started        signatures10 process11 signatures12 54 Modifies the context of a thread in another process (thread injection) 25->54 56 Maps a DLL or memory area into another process 25->56 58 Tries to detect virtualization through RDTSC time measurements 25->58 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fdf3aa0df3a0d4a6d053c55b970ad22f71f5db88f2da4f94bc18f1926b731f1b/
Threat name:
ByteCode-MSIL.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2021-02-16 07:54:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
11 of 46 (23.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7xz2udptudkknuctyvnzocwsf5y7lw4i6lne7ff4ddyze23td4nq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
110c39365be1d4d0307080c7a264654fa63725b7e99dbc271d8dedaa10300217
Formbook
25cd952df9c74033229ec91a5da330e392390ca6120db46d9ab21d3120c9011c
Formbook
57f501264360e52cdc77696ff96c77b47ecad9ceb41cd0210cf2f3809bebafc8
Formbook
67796c5703511869c9ca00f5430d97318529e31a44d4553f2fc647ae9c3814d4
Formbook
7ea2c8d69111747b33a25c445e7f3fabd30f9b1d74d45383f87e6d6451248a53
Formbook
a8f4da2076bc00264891bc7872e70f245f47807c268fb921fc135b711c817b34
Formbook
ebd88634ecfbdc7e88bca32a0b22fa35e24c9feb309799128f3d12d2cceac224
Formbook
ed9c5c6d05892ce64f553810dcb3e3f2e8f0f58d46888bbfeeb744e89dd1cf8e
Formbook
f29c2aa40b282947808213d07099641c64b26f1a28e72154adbdb61dca3c49c9
Formbook
fe0ebbec69296e6fa9073104bb2f1448bdeeeb040511af7b3bad04fa529da38c
Formbook
+ 5'507 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210216-lb2hyc4he6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
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
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.unitedfootballcamps.com/bf3/
Unpacked files
SH256 hash:
108d3fa3409a45ceeb1ee0309ea6c6369e9fd2f08daf3225eb5fe9f76af0972e
MD5 hash:
e0688ccabc0c88ebf3bde75ae545fdf4
SHA1 hash:
7b695314193062db288e505950834f35b3ff3336
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/57f2ad4d-a0d6-4cb5-b3c4-ba6e4afbb0f3/
Parent samples :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 hash:
2ec41720b412f91f91daaefea38007449491b2c016238aa8f23b6866c89bc788
MD5 hash:
987ce346069cf47535e5ac57265c7228
SHA1 hash:
d0085325ed78fcac6d1f605753237abd1c40db22
Link:
https://www.unpac.me/results/57f2ad4d-a0d6-4cb5-b3c4-ba6e4afbb0f3/
SH256 hash:
5e006e7f9a2b6fed3e67009f59291e4d82586658af3755d27a5b125acb78170d
MD5 hash:
c68eb07846f2d331967ec4acae37dae7
SHA1 hash:
7b7eb0317777a577457a9e9d9ee7843b60def163
Link:
https://www.unpac.me/results/57f2ad4d-a0d6-4cb5-b3c4-ba6e4afbb0f3/
SH256 hash:
fdf3aa0df3a0d4a6d053c55b970ad22f71f5db88f2da4f94bc18f1926b731f1b
MD5 hash:
957014bc66c96533ca3cf65a5b355038
SHA1 hash:
cedbfdb6bd9d4ee9397d2fe0bfab563b01c9ba2a
Link:
https://www.unpac.me/results/57f2ad4d-a0d6-4cb5-b3c4-ba6e4afbb0f3/
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/fdf3aa0df3a0d4a6d053c55b970ad22f71f5db88f2da4f94bc18f1926b731f1b

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Malspam

Formbook

zip ffa6edc1cd151506e2512ac8f3dade5947d26cf25a29e9920f5c41f0a48ca6ed

Formbook

Executable exe fdf3aa0df3a0d4a6d053c55b970ad22f71f5db88f2da4f94bc18f1926b731f1b

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 ffa6edc1cd151506e2512ac8f3dade5947d26cf25a29e9920f5c41f0a48ca6ed
Cape
Cape
https://www.capesandbox.com/analysis/117310/

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