MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7c8c0bb9a552f62aa1ef1e5c037ef17b2064055d15025eea8c6b2b5ccd54f10e. 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: 7c8c0bb9a552f62aa1ef1e5c037ef17b2064055d15025eea8c6b2b5ccd54f10e
SHA3-384 hash: 81efad51afdc5ff11591226bf599eaeaebc4c15bac4b656bd37c3858a42df4b73461480f3402ec3415920a55acf3c38f
SHA1 hash: b8baf9f11e0c382a878a12acf253caaf2cad6e0d
MD5 hash: c65a0ffe303e78516c61e47f76ab2eac
humanhash: jersey-xray-salami-winner
File name:Inquiry pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:468'480 bytes
First seen:2021-02-06 13:47:40 UTC
Last seen:2021-02-06 15:49:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:B++G6DJEWIiJvPytTJ1anf+N9COuKbBcu5DkCH/VU882c9JqwM:8iMtDwW3CMbBTtL/i2c/qwM
Threatray 3'759 similar samples on MalwareBazaar
TLSH 4DA4E1B3379A9720C0BC67791B1157A003F2BC36D697F7097E89326D0B737818A93656
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
212
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 13:49:01 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/3e6a8627-ceb6-4e7b-89b0-c3ec7acad810

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/115930/
Detection(s):
SecuriteInfo.com.ArtemisTrojan.26719.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:
UNKNOWN
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/601079
Signature
.NET source code contains potential unpacker
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 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 dnsIp2 2 Behavior Graph ID: 349559 Sample: Inquiry  pdf.exe Startdate: 06/02/2021 Architecture: WINDOWS Score: 100 40 www.carolinaboterocorrea.com 2->40 42 carolinaboterocorrea.com 2->42 50 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Sigma detected: Scheduled temp file as task from temp location 2->54 56 10 other signatures 2->56 11 Inquiry  pdf.exe 7 2->11         started        signatures3 process4 file5 32 C:\Users\user\AppData\...\pyFHxPbuHAdS.exe, PE32 11->32 dropped 34 C:\Users\...\pyFHxPbuHAdS.exe:Zone.Identifier, ASCII 11->34 dropped 36 C:\Users\user\AppData\Local\...\tmp18DD.tmp, XML 11->36 dropped 38 C:\Users\user\...\Inquiry  pdf.exe.log, ASCII 11->38 dropped 14 Inquiry  pdf.exe 11->14         started        17 schtasks.exe 1 11->17         started        process6 signatures7 66 Modifies the context of a thread in another process (thread injection) 14->66 68 Maps a DLL or memory area into another process 14->68 70 Sample uses process hollowing technique 14->70 72 Queues an APC in another process (thread injection) 14->72 19 explorer.exe 14->19 injected 23 conhost.exe 17->23         started        process8 dnsIp9 44 www.txcxxx.com 156.224.53.105, 49741, 80 VPSQUANUS Seychelles 19->44 46 reachlocal.cloudbackend.net 104.130.255.68, 49746, 80 RMH-14US United States 19->46 48 8 other IPs or domains 19->48 58 System process connects to network (likely due to code injection or exploit) 19->58 25 wlanext.exe 19->25         started        signatures10 process11 signatures12 60 Modifies the context of a thread in another process (thread injection) 25->60 62 Maps a DLL or memory area into another process 25->62 64 Tries to detect virtualization through RDTSC time measurements 25->64 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/7c8c0bb9a552f62aa1ef1e5c037ef17b2064055d15025eea8c6b2b5ccd54f10e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-02-06 08:33:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=psgaxonfkl3cvippdzoag7xrpmqgibk5cubf52umnmvvztku6eha._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
4c51f78fbe90c4455d1a0c1f45ff575571974df030b1ea188bf9ab67f4552c68
Formbook
7139fbd600738d2f456c7f11ae105e45ab0bb6e14a473ae0e68391b8125da393
Formbook
7ea2c8d69111747b33a25c445e7f3fabd30f9b1d74d45383f87e6d6451248a53
Formbook
82b0bf0df7b8987197d19071dfda32b037ee3251291b08f6d979749635784e89
Formbook
94ff08030a3e4421baf3ad3489d4d757dd4e8aab659aa8a06f99d2d81526d17e
Formbook
a8f4da2076bc00264891bc7872e70f245f47807c268fb921fc135b711c817b34
Formbook
cf5a2454c16d739c04939e84f71d62772620f7d0f90df49266e8493393da7167
Formbook
cf6959fe2bb4c2e078a8bb51c097dfd79bc0ca5cd296090a897ecb30a3ee6102
Formbook
f777596fe0fa9c11e6ff244810d6c6d4846f9c03b8840ad88ac8853de8a766db
Formbook
fa1c05c7ea1e94e08982755ca1d13051a6cd334fa3e93aa98b5bcc2ebb910f59
Formbook
+ 3'749 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-jcgqezbwm2/
Behaviour
Creates scheduled task(s)
Gathers network information
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
Deletes itself
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/02f7f7c6-2d2c-494f-9a08-477a449110fd/
Parent samples :
7c8c0bb9a552f62aa1ef1e5c037ef17b2064055d15025eea8c6b2b5ccd54f10e
cddf575d340c695e513d03330965f716f8ddf17f5d2fb0929fbb78875653d8b7
72c822dc6059af0f57f65a9e52a509e30caefe4225367c3eec186f013134d54f
48d3a3e4c8e3ee8168d1f0b24f1d57ba7f7f66628f7f81ee9dab9f9f26aadfd7
c8c864915e84ba7ec98eed5ed70893bcb5b328e59751694595a71b303ea587aa
3550ff88757875f1e8566d7855eacb36fa3213a1537d4125555bc71a88d55018
726a32ca7c910d88e59d2d2364def087b00b9c869ef29926016884def6457b6b
cc768b0d5c345d446eacb21922c6561e763015cc6782fdde5a051e1d4fe56acf
2a5b157dc8c983424ebc3a69962649236e17001585de6280cf11f4d94742d28e
2dce266f65b63c927ddf95e71bb0d226eb1c8b260ba8a6965ba1352e9fa837af
SH256 hash:
8b2ffa1e24a213580fd2c6dff4ece36a2ef899a5658dd52a33491675cc8807f1
MD5 hash:
ad529fe301e4777df4bc4fc888c00b04
SHA1 hash:
561501063962fe766f5aba5e2f8e7b16e617f878
Link:
https://www.unpac.me/results/02f7f7c6-2d2c-494f-9a08-477a449110fd/
SH256 hash:
2b2bcf851c2b87033fd24c890c2a1de3642564f7cec7282982d96b8280baa849
MD5 hash:
befb0470c71d676cc891cba16088975d
SHA1 hash:
5b7143f97d1d656fd1cacf70949048c1951b639a
Link:
https://www.unpac.me/results/02f7f7c6-2d2c-494f-9a08-477a449110fd/
SH256 hash:
7c8c0bb9a552f62aa1ef1e5c037ef17b2064055d15025eea8c6b2b5ccd54f10e
MD5 hash:
c65a0ffe303e78516c61e47f76ab2eac
SHA1 hash:
b8baf9f11e0c382a878a12acf253caaf2cad6e0d
Link:
https://www.unpac.me/results/02f7f7c6-2d2c-494f-9a08-477a449110fd/
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/7c8c0bb9a552f62aa1ef1e5c037ef17b2064055d15025eea8c6b2b5ccd54f10e

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

File information

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

Malspam

Formbook

z 0ce4c50de8607241ddf5dd785bf7d28cc0ba4eee1461c70863d80ce4cc6ce63c

Formbook

Executable exe 7c8c0bb9a552f62aa1ef1e5c037ef17b2064055d15025eea8c6b2b5ccd54f10e

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 0ce4c50de8607241ddf5dd785bf7d28cc0ba4eee1461c70863d80ce4cc6ce63c
Cape
Cape
https://www.capesandbox.com/analysis/115930/

Comments