MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c78e508337c58080c5bf06e22c391e292c2e85e4d77ca39e032a5f84441eb17e. 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
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SHA256 hash: c78e508337c58080c5bf06e22c391e292c2e85e4d77ca39e032a5f84441eb17e
SHA3-384 hash: a381a5852575f72b102c0ede24b489823b70e30295ad0d20f84d52bfeed8e5a1ec483f77cd33fc8b47f2939c35e26c79
SHA1 hash: 5f8549ff68a73351134223a0ea5f8011c4ccb8e6
MD5 hash: c612f3851563baa0bf9ac2fff8878d73
humanhash: item-romeo-william-island
File name:PFI_RF5030_page-0001.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:852'992 bytes
First seen:2022-08-08 08:07:25 UTC
Last seen:2022-08-08 08:40:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:ZY/Llpx+QyAY1Bh8OjFykAJRfxACMCF/bw:ZYJ+qeFnhdCVw
TLSH T19A05023BB3DBCB03D0384E7AE1C6195503A2C66F6332D742B9ED3777A54236A4984786
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f0f0e8d8d4e4f4f0 (16 x Formbook, 11 x SnakeKeylogger, 8 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
301
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
PFI_RF5030_page-0001.exe
Verdict:
Malicious activity
Analysis date:
2022-08-08 08:16:59 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/61dfd114-4c54-4d42-9abf-e5820a1b68f3

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/297086/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1452.24639.17378.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62f0c4eabcf76fcb6cf5a102/reports/bdfe6817-a725-4a2a-9ddd-a668793af5c3/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:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/793f1b0a-40e6-4074-82c2-34c92c461a34
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1047776
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
Injects a PE file into a foreign processes
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 680263 Sample: PFI_RF5030_page-0001.exe Startdate: 08/08/2022 Architecture: WINDOWS Score: 100 31 www.idgeformedia.com 2->31 33 www.fitzandhealthy.com 2->33 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 Antivirus / Scanner detection for submitted sample 2->43 45 8 other signatures 2->45 9 PFI_RF5030_page-0001.exe 3 2->9         started        signatures3 process4 file5 23 C:\Users\...\PFI_RF5030_page-0001.exe.log, ASCII 9->23 dropped 55 Injects a PE file into a foreign processes 9->55 13 PFI_RF5030_page-0001.exe 9->13         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 13->57 59 Maps a DLL or memory area into another process 13->59 61 Sample uses process hollowing technique 13->61 63 Queues an APC in another process (thread injection) 13->63 16 explorer.exe 13->16 injected process9 dnsIp10 25 www.cummerspekac.xyz 109.123.121.243, 49870, 49882, 49901 UK2NET-ASGB United Kingdom 16->25 27 www.housewivesgonemad.com 188.114.97.3, 49855, 80 CLOUDFLARENETUS European Union 16->27 29 www.cardsalcuna.xyz 16->29 35 System process connects to network (likely due to code injection or exploit) 16->35 37 Performs DNS queries to domains with low reputation 16->37 20 msiexec.exe 13 16->20         started        signatures11 process12 signatures13 47 Tries to steal Mail credentials (via file / registry access) 20->47 49 Tries to harvest and steal browser information (history, passwords, etc) 20->49 51 Deletes itself after installation 20->51 53 2 other signatures 20->53
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c78e508337c58080c5bf06e22c391e292c2e85e4d77ca39e032a5f84441eb17e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-08-02 19:54:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
28 of 40 (70.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=y6hfbazxywaibrn7a3rcyoi6fewc5bpe256khhqdfjpyira6wf7a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  8/10
Tags:
spyware stealer
Link:
https://tria.ge/reports/220808-j1j2vaaaa2/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
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
Checks computer location settings
Reads user/profile data of web browsers
Blocklisted process makes network request
Unpacked files
SH256 hash:
98bba96d249eb0ec93c84fc9355ffe08239dd923acbea1ebf7dcc955eeefbce4
MD5 hash:
9ab41be45dba593d9ce35ea08f930812
SHA1 hash:
d4b6696700dd96f50d32bd2fc1d8a9db0e8ae8a6
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/1aea977d-e6cb-425f-bd90-d6ecb1a29fdf/
Parent samples :
6a37edabebd44201da96178005629c2e089a88eb4af8fdeef4fe42e1b1242e75
c78e508337c58080c5bf06e22c391e292c2e85e4d77ca39e032a5f84441eb17e
4379766866eb8588c2c876edf39b943b3e5d925bd68d890d17c94c33c0a04ead
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
Link:
https://www.unpac.me/results/1aea977d-e6cb-425f-bd90-d6ecb1a29fdf/
SH256 hash:
cc659acefc2d61595823d6bd41158336862a039031ced8ad5ec48ce475c8b251
MD5 hash:
871e36e7a77a6c22a78129e2ef7f1238
SHA1 hash:
bc9a48a1151960f84c14ad0f4b429c88671a6f00
Link:
https://www.unpac.me/results/1aea977d-e6cb-425f-bd90-d6ecb1a29fdf/
SH256 hash:
fd5bb86d3ce05cc70aa6f20558cb2c3a2c9f627505d4154c762a2e7e85fb7235
MD5 hash:
df149de46a5926a1d90d3557ec80ed5c
SHA1 hash:
63b708644c18593f863116168be6ab990edb72b1
Link:
https://www.unpac.me/results/1aea977d-e6cb-425f-bd90-d6ecb1a29fdf/
SH256 hash:
a9c5b2c628a47247402ff05d399855caf6f6a22146d44cd0fd9d7fc05a65ba66
MD5 hash:
228ff1006be83039e4de2b5e0475a5b0
SHA1 hash:
3adef5cc343067fa6b9d5e712114dc619c867a72
Link:
https://www.unpac.me/results/1aea977d-e6cb-425f-bd90-d6ecb1a29fdf/
SH256 hash:
c78e508337c58080c5bf06e22c391e292c2e85e4d77ca39e032a5f84441eb17e
MD5 hash:
c612f3851563baa0bf9ac2fff8878d73
SHA1 hash:
5f8549ff68a73351134223a0ea5f8011c4ccb8e6
Link:
https://www.unpac.me/results/1aea977d-e6cb-425f-bd90-d6ecb1a29fdf/
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/c78e508337c58080c5bf06e22c391e292c2e85e4d77ca39e032a5f84441eb17e

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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 c78e508337c58080c5bf06e22c391e292c2e85e4d77ca39e032a5f84441eb17e

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/297086/

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