MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c59d79d86f4d301a0d7c94df257fb8ab803bc69517bc6642e5d6ad4410a7a8bb. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c59d79d86f4d301a0d7c94df257fb8ab803bc69517bc6642e5d6ad4410a7a8bb
SHA3-384 hash: 31b3857f520029ded664750d440450529431c9343ab843735dbe54b72e5ed3fe66b341fd82451a0c2149495ce5aeff43
SHA1 hash: e696d6124a4028deb15694e37be9db77866e0d32
MD5 hash: c2708b44b703b557074923265d86fecb
humanhash: washington-kitten-island-low
File name:#6495PI-29458-2020.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:604'160 bytes
First seen:2021-07-23 06:13:04 UTC
Last seen:2021-07-23 08:20:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:+Giw0E5So8JVH53BTlOIzwfrZOBEevhwEH+3UxaWP:+Gx15EVHFBlOMwfdaEKWEHW
Threatray 6'739 similar samples on MalwareBazaar
TLSH T1C8D4BDCFF343A5EECCDA8D71D85009E06250A4E62246D2539CCF669CD8C96F96B3129F
dhash icon 9aa4a4a48eb2b8c6 (9 x Formbook, 5 x AgentTesla, 2 x MailPassView)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
104
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
#6495PI-29458-2020.exe
Verdict:
Malicious activity
Analysis date:
2021-07-23 06:36:28 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/1c16b941-6c1a-4abe-aa33-e25885061e52

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/173515/
Detection(s):
SecuriteInfo.com.ArtemisC2708B44B703.17265.28747.UNOFFICIAL
Create hunting rule

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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2741fe46-29ea-4fd1-95a3-cdb2efcdbd74
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/820597
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 453006 Sample: #6495PI-29458-2020.exe Startdate: 23/07/2021 Architecture: WINDOWS Score: 100 31 www.clearvuetaxadvisors.com 2->31 33 clearvuetaxadvisors.com 2->33 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 9 other signatures 2->45 11 #6495PI-29458-2020.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\#6495PI-29458-2020.exe.log, ASCII 11->29 dropped 55 Tries to detect virtualization through RDTSC time measurements 11->55 57 Injects a PE file into a foreign processes 11->57 15 #6495PI-29458-2020.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Queues an APC in another process (thread injection) 15->63 18 explorer.exe 15->18 injected process9 dnsIp10 35 sigmagrupo.net 147.135.255.78, 49733, 80 OVHFR France 18->35 37 www.sigmagrupo.net 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 svchost.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 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/c59d79d86f4d301a0d7c94df257fb8ab803bc69517bc6642e5d6ad4410a7a8bb/
Threat name:
Win32.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-07-23 06:14:06 UTC
AV detection:
11 of 46 (23.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ywoxtwdpjuybudl4stpsk75yvoadxruvc66gmqxf22wuiefhvc5q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
132bffde916ecb2374bc576a1e7d041d09b8411ed3c885b1d5e9b01e1ca073aa
Formbook
24e635e80cecd03066225b27fdb524c4542586b22dc820e05f8a02072008c674
Formbook
5d4c17f9ea28e3df3efa9d9c7ba40444abeee049fe999eb2d579c6cf4ccc3231
Formbook
5fef6e5e702f6ac33542c50d34d3054d1b957c3afd5dffc8fbeaa81d82fdf562
Formbook
8309d803c92faaf24828cd67e4c1041f9465ecf6c63f7608d7ed4579f075a02c
Formbook
851ee4f67cc28e3634b0062d77f62222d026c4e9674a894bcdd5b6c6e6bda376
Formbook
85c528083c96b1f895ddd73681a8b78caf639b8dcf91eca47ae4e7e7cd3e3540
Formbook
96beadd4f79febff926c6b5071aad39d09f0a1c9d9810317d38d7ed95ce1559a
Formbook
a2cdf452f83aa86c0f3ade321cfc00a9ed3671082372081a67cad84a26492051
Formbook
c69e54b704c7d7e94faa9c3ea2519eef344e1099aa99271833bc56cae00ab8af
Formbook
+ 6'729 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/210723-shqxp4m1na/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.nouolive.com/wt5i/
Unpacked files
SH256 hash:
b631cbec8797356a20c9cc7fefe132f40eb822309fa77d5b293e79eb39a3cfa8
MD5 hash:
afe3532e924ae2ca6e39dac05e8ef1c6
SHA1 hash:
953d10b9554315b957cb76a60a2eb207f43cdb7e
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/a999d2a9-ce7b-4b33-8273-5df495cb3e32/
Parent samples :
24e635e80cecd03066225b27fdb524c4542586b22dc820e05f8a02072008c674
c59d79d86f4d301a0d7c94df257fb8ab803bc69517bc6642e5d6ad4410a7a8bb
7f3e97e42369a76be6688dc29fe71b83b0754acc7df08a6253460e23da7d1ce7
30c70e6852155344b71c74dc919b365847a12ef299cda58501051f706e7bbbf4
1f9b5c120efbd32491158582492dc17322b805c955626fbe43f2136a77b1812a
4b1dcf9d1e2518e912abcee672aadcaed51f1aa435e3dc1b3fb43d047ec24f1e
SH256 hash:
c362729899c5956cfa9fc3bcf9b21ac72066a1b84a497ceb1281f76e2f55c54b
MD5 hash:
0327d1374a5ce015ad9c83c5de76e823
SHA1 hash:
e521349d9e96a4191248747c42c78b6f88fc8f63
Link:
https://www.unpac.me/results/a999d2a9-ce7b-4b33-8273-5df495cb3e32/
SH256 hash:
1b41c277fd1ded9f2cdbd379302c874a69acd85bbab0b0cc5402a1b82e41c1e4
MD5 hash:
cc8af53754cfacdfb18978dcebb01041
SHA1 hash:
4ea1b1e188b9cf52092a8c188e87c95faefa8eaf
Link:
https://www.unpac.me/results/a999d2a9-ce7b-4b33-8273-5df495cb3e32/
SH256 hash:
c59d79d86f4d301a0d7c94df257fb8ab803bc69517bc6642e5d6ad4410a7a8bb
MD5 hash:
c2708b44b703b557074923265d86fecb
SHA1 hash:
e696d6124a4028deb15694e37be9db77866e0d32
Link:
https://www.unpac.me/results/a999d2a9-ce7b-4b33-8273-5df495cb3e32/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/c59d79d86f4d301a0d7c94df257fb8ab803bc69517bc6642e5d6ad4410a7a8bb

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: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 c59d79d86f4d301a0d7c94df257fb8ab803bc69517bc6642e5d6ad4410a7a8bb

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/173515/

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