MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cddf575d340c695e513d03330965f716f8ddf17f5d2fb0929fbb78875653d8b7. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cddf575d340c695e513d03330965f716f8ddf17f5d2fb0929fbb78875653d8b7
SHA3-384 hash: 466e6bded96b50d995229580152059ae31fc6acda1055c4d582c017dbd243e913a997ccf4d5fe9afee46a222127df4e3
SHA1 hash: b5f050d050f9af0b4d937514935854c4e52f3eb6
MD5 hash: cb03eb5391971119bf6f81acbb84e1bc
humanhash: blossom-speaker-xray-pluto
File name:Inquiry pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:529'920 bytes
First seen:2021-02-06 15:53:59 UTC
Last seen:2021-02-06 17:49:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:HBzy0/iei9k8mOalFu027X1mKjlpBFR+HPdroDJ8t3T7UmhCCT3dIPSH6MKghy03:PZi9704x/mHJoyx7Lhr/zDEuua+/o
Threatray 3'743 similar samples on MalwareBazaar
TLSH E7B4F1692BACAF4AD16D7FB649B0A010A3FCD5416937C309FFA129DC193AFD44AC0791
Reporter fabjer
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
205
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Inquiry pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-02-06 15:56:01 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/182b44dc-032e-4c62-acfb-65e1021a3983

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/115931/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.7009.26245.18550.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
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
Enabling autorun by creating a file
Unauthorized injection to a system process
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/601110
Signature
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
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
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 349574 Sample: Inquiry pdf.exe Startdate: 06/02/2021 Architecture: WINDOWS Score: 100 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for dropped file 2->47 49 8 other signatures 2->49 10 Inquiry pdf.exe 7 2->10         started        process3 file4 31 C:\Users\user\AppData\Roaming\UpCsvUUWV.exe, PE32 10->31 dropped 33 C:\Users\user\AppData\Local\...\tmpD8FB.tmp, XML 10->33 dropped 35 C:\Users\user\AppData\...\Inquiry pdf.exe.log, ASCII 10->35 dropped 13 Inquiry pdf.exe 10->13         started        16 schtasks.exe 1 10->16         started        process5 signatures6 59 Modifies the context of a thread in another process (thread injection) 13->59 61 Maps a DLL or memory area into another process 13->61 63 Sample uses process hollowing technique 13->63 65 Queues an APC in another process (thread injection) 13->65 18 explorer.exe 13->18 injected 22 conhost.exe 16->22         started        process7 dnsIp8 37 www.bullishonpennies.com 156.243.221.75, 49745, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 18->37 39 reallycoolmask.com 34.102.136.180, 49742, 80 GOOGLEUS United States 18->39 41 6 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 24 explorer.exe 18->24         started        signatures9 process10 signatures11 53 Modifies the context of a thread in another process (thread injection) 24->53 55 Maps a DLL or memory area into another process 24->55 57 Tries to detect virtualization through RDTSC time measurements 24->57 27 cmd.exe 1 24->27         started        process12 process13 29 conhost.exe 27->29         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cddf575d340c695e513d03330965f716f8ddf17f5d2fb0929fbb78875653d8b7/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-02-05 19:39:25 UTC
AV detection:
36 of 47 (76.60%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zxpvoxjubruv4uj5amzqszpxc34n34l7lux3beu7xn4iovst3c3q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
106f9f66c54be3c20be8f04ce63f5d6183d6eb9e79a6b243b5c820cc01ee24cb
Formbook
420f06103fac607a08bc7ff557201ffc5fc4f693aa52df9476171ed5398d8bf5
Formbook
74e5237030f7b3dbbcdfd7f30bf3fd3e463cbe7d6253c8bd7a737b6aeab05b5a
Formbook
7c8c0bb9a552f62aa1ef1e5c037ef17b2064055d15025eea8c6b2b5ccd54f10e
Formbook
ba41656ca5e0e243cff9f6a536c43998a9dbc492f5e813a0022e84359b2e0ef8
Formbook
c25dae1e3e6c72b36cf02a2a2eaaf3ee5c29b6e2b0cf1da64c3f521be54dc5e9
Formbook
c383b5258941145e0402f4d3be4b2f0c19dbcb842f9d2954e1acf8806a1b9800
Formbook
c3d490568e73f61c86d2d4c01e170bdcf3c0d3eb5e309ff3d3fb808a4a867a54
Formbook
e38e6ac839b8009c1c6d467ed4206f912c39a15af7a1fa7ba4a2a854e441fe50
Formbook
fc534d33f183a321a447fef1fdef4c8a7fa78413cd15f93df13a39f0a8b9b2fe
Formbook
+ 3'733 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook ransomware rat spyware stealer trojan
Link:
https://tria.ge/reports/210206-7ygsctxgen/
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.brasilseo.com/bft/
Unpacked files
SH256 hash:
d24e66e58c2c85b4f7ed37422e189f85fc64cfdc4acecfca8324c6d0c57eaba7
MD5 hash:
1d3bee0d88895bc916980c8e277e950e
SHA1 hash:
912db89d8fde5a72e286810dfa5177a6f8e202e9
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/b60a8965-b933-4bd0-99e7-1a0d7c503506/
Parent samples :
7c8c0bb9a552f62aa1ef1e5c037ef17b2064055d15025eea8c6b2b5ccd54f10e
cddf575d340c695e513d03330965f716f8ddf17f5d2fb0929fbb78875653d8b7
72c822dc6059af0f57f65a9e52a509e30caefe4225367c3eec186f013134d54f
48d3a3e4c8e3ee8168d1f0b24f1d57ba7f7f66628f7f81ee9dab9f9f26aadfd7
c8c864915e84ba7ec98eed5ed70893bcb5b328e59751694595a71b303ea587aa
3550ff88757875f1e8566d7855eacb36fa3213a1537d4125555bc71a88d55018
726a32ca7c910d88e59d2d2364def087b00b9c869ef29926016884def6457b6b
cc768b0d5c345d446eacb21922c6561e763015cc6782fdde5a051e1d4fe56acf
2a5b157dc8c983424ebc3a69962649236e17001585de6280cf11f4d94742d28e
2dce266f65b63c927ddf95e71bb0d226eb1c8b260ba8a6965ba1352e9fa837af
SH256 hash:
91482f185fec77f2710efe2f747e1517530d478c94e28c49b2cbd578c469d054
MD5 hash:
d41cf510eb51aabe75366125f2f50866
SHA1 hash:
11ec8de75eec02f4eb3b323ea49fabd39403b6ca
Link:
https://www.unpac.me/results/b60a8965-b933-4bd0-99e7-1a0d7c503506/
SH256 hash:
2b2bcf851c2b87033fd24c890c2a1de3642564f7cec7282982d96b8280baa849
MD5 hash:
befb0470c71d676cc891cba16088975d
SHA1 hash:
5b7143f97d1d656fd1cacf70949048c1951b639a
Link:
https://www.unpac.me/results/b60a8965-b933-4bd0-99e7-1a0d7c503506/
SH256 hash:
cddf575d340c695e513d03330965f716f8ddf17f5d2fb0929fbb78875653d8b7
MD5 hash:
cb03eb5391971119bf6f81acbb84e1bc
SHA1 hash:
b5f050d050f9af0b4d937514935854c4e52f3eb6
Link:
https://www.unpac.me/results/b60a8965-b933-4bd0-99e7-1a0d7c503506/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/cddf575d340c695e513d03330965f716f8ddf17f5d2fb0929fbb78875653d8b7

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

z aaadb8e27ffc99333e3d23e527051d6dd9acf3df1231463f4e25860edcc13bfb

Formbook

Executable exe cddf575d340c695e513d03330965f716f8ddf17f5d2fb0929fbb78875653d8b7

(this sample)

  
Dropped by
SHA256 aaadb8e27ffc99333e3d23e527051d6dd9acf3df1231463f4e25860edcc13bfb
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/115931/

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