MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7c8f873fc34661a785875f76a1f3b1aff6719e69d2a4ea5d2d94f849282b623a. 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: 7c8f873fc34661a785875f76a1f3b1aff6719e69d2a4ea5d2d94f849282b623a
SHA3-384 hash: 9d45e506e4bcd03557fee46e6b8d8eba22f342e58ada95459e84d412692cff5c23cedb48d7e459e8bffbff9d55fa06ad
SHA1 hash: 3ba03f47a8762368538e47806353f55da43d46ac
MD5 hash: 9c15af175868121cc014666189d52dae
humanhash: arizona-island-pluto-georgia
File name:HOPEFUL.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:3'437'056 bytes
First seen:2021-01-13 20:14:28 UTC
Last seen:2021-01-13 21:59:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 98304:KVYMenFZrSmVobxfPUp75Xr6/UUyRGSG:KVYMejQ5cnE
Threatray 34 similar samples on MalwareBazaar
TLSH 4FF5E003F7418B81DBA471BB56C9A73A135BF0D71FC18AD967098A372C523C26E9F249
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: alone.com
Sending IP: 139.99.74.222
From: Molino San Paolo <gallo@molinosanpaolo.it>
Subject: TT REMITTANCE $176,200.00
Attachment: payment COPY.rar (contains "HOPEFUL.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
162
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
HOPEFUL.exe
Verdict:
Malicious activity
Analysis date:
2021-01-14 05:10:30 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/1d6e3e01-e643-4013-925e-da2718b6c680

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/111855/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.505.28332.30291.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser 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/580654
Signature
Allocates memory in foreign processes
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
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
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
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 339365 Sample: HOPEFUL.exe Startdate: 13/01/2021 Architecture: WINDOWS Score: 100 33 www.eaglesnestpropheticministry.com 2->33 35 eaglesnestpropheticministry.com 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 4 other signatures 2->49 11 HOPEFUL.exe 4 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 11->29 dropped 31 C:\Users\user\AppData\...\HOPEFUL.exe.log, ASCII 11->31 dropped 59 Writes to foreign memory regions 11->59 61 Allocates memory in foreign processes 11->61 63 Hides that the sample has been downloaded from the Internet (zone.identifier) 11->63 65 Injects a PE file into a foreign processes 11->65 15 AddInProcess32.exe 11->15         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 2 other signatures 15->73 18 explorer.exe 15->18 injected process9 dnsIp10 37 tiendazoom.com 174.136.37.109, 49759, 80 IHNETUS United States 18->37 39 registeredagentfirm.com 34.98.99.30, 49758, 80 GOOGLEUS United States 18->39 41 3 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 cmmon32.exe 18->22         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7c8f873fc34661a785875f76a1f3b1aff6719e69d2a4ea5d2d94f849282b623a/
Threat name:
ByteCode-MSIL.Packed.Generic
Create hunting rule
Status:
Suspicious
First seen:
2021-01-13 17:17:00 UTC
AV detection:
14 of 28 (50.00%)
Threat level:
  1/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pshyop6dizq2pbmhl53kd45rv73hdhtj2ksouxjnst4eskblmi5a._file
Verdict:
unknown
Similar samples:
2d564ae361eb499ca493273e9fcfb88546105c88293c7633a7e1580a435cee9f
Formbook
3ec27e7b95a43db7d79fa8a011c09bd9bcb0ef97f5f114b0de2b471e4805fc9d
Formbook
75674ba2558d6fcf6d3992f09bd87aab282ea0b2d9bd01d6e0149a869506e3ce
Formbook
7eb2de2bfd05ee1e83980aa914486789d2e8f3fb3cc6e166f140302fdaf40cd9
Formbook
91a31ae7de6c7cfa8123333cec0fb4ac9317b12e8b1ede01de97936c8ab82ed7
Formbook
adedffa71c26b2855f85a6eba9f0415769efc743022f44a8f61c95b09b7dedf3
Formbook
b1251d0a542cd96f6957904d30289cbf675035ae79ac4158fc098aa84cd22506
Formbook
bd4bbfaa22dc3cb00b5cbc8b64868b80ca02609fce5ddd910b289a9a06f1ed53
Formbook
c75e2b1752bd8221bd68fea21243915af2a92834a23d148a46e41b370badfd18
Formbook
d0b62e121a89ba8e44b4b71a887dd80df1e4fc746dabc200854622e9ed1fa8cb
Formbook
+ 24 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/210113-6f3qb3zqwa/
Behaviour
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 UnmapMainImage
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.registeredagentfirm.com/jqc/
Unpacked files
SH256 hash:
7c8f873fc34661a785875f76a1f3b1aff6719e69d2a4ea5d2d94f849282b623a
MD5 hash:
9c15af175868121cc014666189d52dae
SHA1 hash:
3ba03f47a8762368538e47806353f55da43d46ac
Link:
https://www.unpac.me/results/2522c2a1-8a19-464f-8156-fb8d31cced8e/
SH256 hash:
49dc26861fffee2f6440e56a10b7086ea305d2f16bb9e27ba3e08b9893557f86
MD5 hash:
e732cd6decfed3503b4020899d5a56f9
SHA1 hash:
024c1bf147c698e92aae340bbee323601d02a787
Link:
https://www.unpac.me/results/2522c2a1-8a19-464f-8156-fb8d31cced8e/
SH256 hash:
c06d4e3d0205d9bdd4a4b40b8da710d698b3a5d73a1626c9ca058c10b2c6d00c
MD5 hash:
7f67414b3fd29299f2d29ad7c2afb995
SHA1 hash:
2ec40d57c08c47433a6d044d271d74005dddae8d
Link:
https://www.unpac.me/results/2522c2a1-8a19-464f-8156-fb8d31cced8e/
SH256 hash:
4f81e273da20c5b9835ce6ca57cc061d77764f9e3927bdb1505cb791bf50b046
MD5 hash:
29e19b5dce96140a8b90152b16bd44af
SHA1 hash:
4f3dc6eb876bb58f53966980a9c451a04ec17d8a
Link:
https://www.unpac.me/results/2522c2a1-8a19-464f-8156-fb8d31cced8e/
SH256 hash:
e2b5646e959fcf2f6ed994780262e65c16cecbc9d3421ada3239f26130ebe8d1
MD5 hash:
7a13d5b7628956f87cb4f24b3e66ff5d
SHA1 hash:
5a2a3e4a70a7ef67180b6dea2273c9c3ae162f9c
Link:
https://www.unpac.me/results/2522c2a1-8a19-464f-8156-fb8d31cced8e/
SH256 hash:
8360da2ca6b602f1ed57c3dd29e09f5191b554aaabc629d0eb04493352d45a33
MD5 hash:
9c06d2fe96bfc4a0ded69b0d36231f79
SHA1 hash:
a339fbd6c46256e5232ef6073a6d48b890185238
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/2522c2a1-8a19-464f-8156-fb8d31cced8e/
SH256 hash:
af901e7469ba1402f8880a0c1bffc0799ce1a2d8064d8ea3b5ac1783f9c3f41a
MD5 hash:
ec310c9f52380ed62e16d91180e8907a
SHA1 hash:
b1767f1695c682b28d17f6f62494e72c2b1491bd
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/2522c2a1-8a19-464f-8156-fb8d31cced8e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/7c8f873fc34661a785875f76a1f3b1aff6719e69d2a4ea5d2d94f849282b623a

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

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

Malspam

Formbook

rar 17f1b0effe0171ddaa01408540a12c6dee022526c139580f6b373bf91cf51370

Formbook

Executable exe 7c8f873fc34661a785875f76a1f3b1aff6719e69d2a4ea5d2d94f849282b623a

(this sample)

  
Dropped by
MD5 1dfc9c9c7d5bc50fc3814f68d5c9182e
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 17f1b0effe0171ddaa01408540a12c6dee022526c139580f6b373bf91cf51370
Cape
Cape
https://www.capesandbox.com/analysis/111855/

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