MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5c7868a7b214c1173f586173731c145bf0d466e08c0ceb7a00d0957cc29c0f7e. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5c7868a7b214c1173f586173731c145bf0d466e08c0ceb7a00d0957cc29c0f7e
SHA3-384 hash: e2bd7130229decbb29b7681cf9e779e5231812a877df7ba8407384b8283ad5ed2170f6c7682d5680304a1780363fe4c6
SHA1 hash: 7f9384aa3884615d11c471fd8421f689aa0f6d75
MD5 hash: 1a4dab5078618aa73e827fd62edec91f
humanhash: nine-golf-princess-black
File name:Quotation#QO210109A87356.Pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:701'952 bytes
First seen:2021-09-01 22:16:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:bbBD5VoWi8q/vdA+qHcEQFv8P/vC4/yqBM:X+W3q/vy+qHcEQFEP/zX
Threatray 8'803 similar samples on MalwareBazaar
TLSH T1C1E42C3E18FE23279176C7D5CBE18823F6D098AF3233A96567D747264316A4674C322E
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
1
# of downloads :
208
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quotation#QO210109A87356.Pdf.exe
Verdict:
Suspicious activity
Analysis date:
2021-09-01 22:18:51 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/89f52b69-b04e-42cb-9cf5-0848a30eefe7

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/184584/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/713b2a36-173b-4521-b702-fd8368cd89eb
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/843672
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Double Extension
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5c7868a7b214c1173f586173731c145bf0d466e08c0ceb7a00d0957cc29c0f7e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-01 19:37:03 UTC
AV detection:
11 of 28 (39.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lr4grj5sctarop2ymfzxghaulpynizxarqgow6qa2ckxzqu4b57a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
169a316f9557b3a154c1cbc1ab4aae2b690d71fd197ff39ac77e58c7e7db4196
Formbook
3ba94c54291623972d2c5e31bd34f3e5fbdd9416f2b34e7daeaf2e4fcb96506b
Formbook
3c78a8163632246f074a36ed8b6f1717aceb0ba55dcc5c5329ddb16d9cfd5755
Formbook
d95754d5ca3e8ef0462c99b4f10388a39cfb92b4885a2f0fc0839dc75c869c61
Formbook
ec07f953fea536e8ae3a92b862b6fa0ab1e6d76369a8b3d1c07ee65bc3525dcb
Formbook
fd151f1c914b41e565c1dfeae2cab5c77fdcc885b83c46e30b9fe3eefc68efd3
Formbook
+ 8'793 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:gno4 loader rat
Link:
https://tria.ge/reports/210901-2wagh4jta2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.maidenmade.com/gno4/
Unpacked files
SH256 hash:
1ac5fa7250d2813c9f360dfad15485b3f1bfc3637786cb1b206118c7d778af22
MD5 hash:
6d5325607057f22c738617590e386868
SHA1 hash:
5b68c705387e0ac6042ea1975e3c8308006d6f29
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/42835410-b227-4b64-9ad3-aa6e98fb8c85/
Parent samples :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 hash:
c0ee1071e444f415f8b62856a0896f3b22e563f1bb4f03d14142583efe49a565
MD5 hash:
29db2e114b88ae1f6a00c9aa71690043
SHA1 hash:
ec82db71443556a5b320357b0b8b09e70ec1db9c
Link:
https://www.unpac.me/results/42835410-b227-4b64-9ad3-aa6e98fb8c85/
SH256 hash:
7e41bbe1a715c7d296be3109dacfbd1beb449f1f3fe5852f2540f1dc97a23979
MD5 hash:
3f898e2b72bea4fffa437dda458e4dc8
SHA1 hash:
a26c626cd9588c1ad2dfd87587ea8f87f100ad44
Link:
https://www.unpac.me/results/42835410-b227-4b64-9ad3-aa6e98fb8c85/
SH256 hash:
5c7868a7b214c1173f586173731c145bf0d466e08c0ceb7a00d0957cc29c0f7e
MD5 hash:
1a4dab5078618aa73e827fd62edec91f
SHA1 hash:
7f9384aa3884615d11c471fd8421f689aa0f6d75
Link:
https://www.unpac.me/results/42835410-b227-4b64-9ad3-aa6e98fb8c85/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/5c7868a7b214c1173f586173731c145bf0d466e08c0ceb7a00d0957cc29c0f7e

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:pe_imphash
Create hunting rule
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 5c7868a7b214c1173f586173731c145bf0d466e08c0ceb7a00d0957cc29c0f7e

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/184584/

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