MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c69e882c771b1818558a97832a4ffc97db0ca2bdca969abcae1b1b9094123b0b. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c69e882c771b1818558a97832a4ffc97db0ca2bdca969abcae1b1b9094123b0b
SHA3-384 hash: a85d546adcd5758f2675261c7fa33fc8c2958fa2547803dadc2c3822df2645e6e36f5a613a53d128d0ea88890da96052
SHA1 hash: fc8b5a191fd85a9a776e5efd94a99c7a2a5e2264
MD5 hash: 5beb0a50b7f8306339b8434dedc695d8
humanhash: mockingbird-sierra-potato-mexico
File name:Proforma invoice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:888'320 bytes
First seen:2020-12-07 06:33:01 UTC
Last seen:2020-12-07 14:15:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:hU2/80s+Ez7Y1h3yDIHV6TZ9QyfZylo4w:hNsBs1JyaVuZWyfYa4
Threatray 3'122 similar samples on MalwareBazaar
TLSH 1B15DF313A542E93D2BACBF254207650CFB5662F696EE2CC6CC711CE46F6F104989E63
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
5
# of downloads :
171
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Proforma invoice.exe
Verdict:
Malicious activity
Analysis date:
2020-12-07 07:24:01 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/5e74217e-9bcd-47df-bbc4-497542e7be46

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/106980/
Detection(s):
SecuriteInfo.com.Trojan.Agent.EZXY.10586.22894.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
Result
Gathering data
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/556639
Signature
Initial sample is a PE file and has a suspicious name
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 dropped file
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
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 AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 327418 Sample: Proforma invoice.exe Startdate: 07/12/2020 Architecture: WINDOWS Score: 100 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for dropped file 2->47 49 Sigma detected: Scheduled temp file as task from temp location 2->49 51 10 other signatures 2->51 10 Proforma invoice.exe 6 2->10         started        process3 file4 33 C:\Users\user\AppData\Roaming\qKklHGshY.exe, PE32 10->33 dropped 35 C:\Users\user\AppData\Local\...\tmpE506.tmp, XML 10->35 dropped 37 C:\Users\user\...\Proforma invoice.exe.log, ASCII 10->37 dropped 13 Proforma invoice.exe 10->13         started        16 schtasks.exe 1 10->16         started        18 Proforma invoice.exe 10->18         started        process5 signatures6 61 Modifies the context of a thread in another process (thread injection) 13->61 63 Maps a DLL or memory area into another process 13->63 65 Sample uses process hollowing technique 13->65 67 Queues an APC in another process (thread injection) 13->67 20 explorer.exe 13->20 injected 24 conhost.exe 16->24         started        process7 dnsIp8 39 cincysanitizing.com 160.153.136.3, 49769, 80 GODADDY-AMSDE United States 20->39 41 www.testcitestdpp03.com 20->41 43 3 other IPs or domains 20->43 53 System process connects to network (likely due to code injection or exploit) 20->53 26 cscript.exe 20->26         started        signatures9 process10 signatures11 55 Modifies the context of a thread in another process (thread injection) 26->55 57 Maps a DLL or memory area into another process 26->57 59 Tries to detect virtualization through RDTSC time measurements 26->59 29 cmd.exe 1 26->29         started        process12 process13 31 conhost.exe 29->31         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c69e882c771b1818558a97832a4ffc97db0ca2bdca969abcae1b1b9094123b0b/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-12-07 02:51:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
42
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=y2piqldxdmmbqvmks6bsut74s7nqziv5zkljvpfodmnzbfashmfq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
07b296fafcefb5dbbf7148a96fc968664011aca0070b72732fb00886fbea9741
Formbook
091f6c53a4f73bdac192e08bda0459f5e8af953a3c2b5cdee175677301a8cef5
Formbook
29b9120d8ad7140f77528da00668da77b956fd76ef4dd0ba0af550b771a387b2
Formbook
31a7c6470ae7463e4fb0df44f27792aed63419e03b747b5982fcc26e8011afab
Formbook
5354b3a337fe1f19dbbcd98ebbea35e58fd953c86b99cb1678d8f9c849e8d55c
Formbook
6308def230fca10ddd70426bb31764afd2564530a7ff775cf28e5e958c5bd37a
Formbook
70581c97768f831cf9a0e6e084f44331ffb3d17ed78136dcd6b42e0490b814bf
Formbook
9daf6c939e1c734dca8262f7c96844167c8869301b032c1f156f0e532b055603
Formbook
b6247c787ec362f884203a581049a638a59a9db8dc6bac8cb88869a45704dfc9
Formbook
b7d55f5145ac91a9b2e9d1b98f65bf6844248ebd6612be241e2fe5755dcf0733
Formbook
+ 3'112 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/201207-4j7l55m77a/
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
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.alsagranit.info/rhk/
Unpacked files
SH256 hash:
c88a66cbf00b12c88e2b970b8bc220e970e8465e56098ced24e97d42be901b94
MD5 hash:
a60401dc02ff4f3250a749965097e13f
SHA1 hash:
3f22d28fd765f831084cb972a8bd071e421c26a1
Link:
https://www.unpac.me/results/4e9d4511-bf49-467b-94fb-eb1307c6081f/
SH256 hash:
538cad7238ff627355b9d0c26930e0a89fc67aab1727b53dc2c9b0733da5aac7
MD5 hash:
4ec144d4aa45d62a44d4622721e3467b
SHA1 hash:
d47fe1dc79b8f594c02ae86197765ca16fa0829b
Link:
https://www.unpac.me/results/4e9d4511-bf49-467b-94fb-eb1307c6081f/
SH256 hash:
f1c8b375b9aaa998f98124b440f29391d60468ae6bcd9cb08f0f9e9024f21c49
MD5 hash:
37b9a7a1578db2572c36f7907672dee0
SHA1 hash:
7d917c3fc6f689ce438b5bb0772f33fcffd7f1b3
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/4e9d4511-bf49-467b-94fb-eb1307c6081f/
Parent samples :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 hash:
c69e882c771b1818558a97832a4ffc97db0ca2bdca969abcae1b1b9094123b0b
MD5 hash:
5beb0a50b7f8306339b8434dedc695d8
SHA1 hash:
fc8b5a191fd85a9a776e5efd94a99c7a2a5e2264
Link:
https://www.unpac.me/results/4e9d4511-bf49-467b-94fb-eb1307c6081f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
MassLogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c69e882c771b1818558a97832a4ffc97db0ca2bdca969abcae1b1b9094123b0b

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:SUSP_Reversed_Base64_Encoded_EXE
Create hunting rule
Author:Florian Roth
Description:Detects an base64 encoded executable with reversed characters
Reference:Internal Research

File information

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

Malspam

Formbook

rar cb11628d7ef679c5ba0e20f1e8a2c39ea608b9798f65c96bcdc4e74d011821b0

Formbook

Executable exe c69e882c771b1818558a97832a4ffc97db0ca2bdca969abcae1b1b9094123b0b

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 cb11628d7ef679c5ba0e20f1e8a2c39ea608b9798f65c96bcdc4e74d011821b0
Cape
Cape
https://www.capesandbox.com/analysis/106980/

Comments