MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1f4db9d7274fc25cac02626730a50d14b08f32536e1b4f298c36fb088c622aa. 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 4 File information Comments
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SHA256 hash: c1f4db9d7274fc25cac02626730a50d14b08f32536e1b4f298c36fb088c622aa
SHA3-384 hash: 313c5a21693749e66492a695ca5f4c0efe4600a299b42e62e521d15bc26aa1ae80a6aca2e292dca668715ed9708ff593
SHA1 hash: 76c40dd410c91c03dfcec52388a47a8852538071
MD5 hash: 91465509a0f07c2321323ce5c4112f0d
humanhash: paris-west-alpha-fanta
File name:INV NO-1820000514 USD 270,294.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:939'008 bytes
First seen:2021-08-03 12:35:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Da47Y2MJ7HT/N/wEGhbV8bYRYQzUFlZKPOiD/q2dNAtu5ey2iNAlcd:DaqVo7xwEGhbVp3clZLQAa1
Threatray 7'208 similar samples on MalwareBazaar
TLSH T1D8159E1912D9065FF3767BB187CC7A6E46E1E5BB6A06E2B93D503343A211FC18823736
dhash icon cef2b232d2c82d45 (3 x AveMariaRAT, 1 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
147
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
INV NO-1820000514 USD 270,294.pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-08-03 12:36:52 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/2ef7a46b-c7d2-4955-a116-5fe1db7cf5ff

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/176040/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d3dfe8f4-9472-4147-8d01-4e60b3869097
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/826129
Signature
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 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)
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: Suspicious Double Extension
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 an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 458551 Sample: INV NO-1820000514 USD 270,2... Startdate: 03/08/2021 Architecture: WINDOWS Score: 100 46 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 13 other signatures 2->52 10 INV NO-1820000514 USD 270,294.pdf.exe 7 2->10         started        process3 file4 32 C:\Users\user\AppData\...\jcYOWJTkYFtTro.exe, PE32 10->32 dropped 34 C:\...\jcYOWJTkYFtTro.exe:Zone.Identifier, ASCII 10->34 dropped 36 C:\Users\user\AppData\Local\...\tmpAAFE.tmp, XML 10->36 dropped 38 INV NO-1820000514 ...270,294.pdf.exe.log, ASCII 10->38 dropped 62 Injects a PE file into a foreign processes 10->62 14 INV NO-1820000514 USD 270,294.pdf.exe 10->14         started        17 schtasks.exe 1 10->17         started        signatures5 process6 signatures7 64 Modifies the context of a thread in another process (thread injection) 14->64 66 Maps a DLL or memory area into another process 14->66 68 Sample uses process hollowing technique 14->68 70 Queues an APC in another process (thread injection) 14->70 19 explorer.exe 14->19 injected 23 conhost.exe 17->23         started        process8 dnsIp9 40 www.premiumnitrileglove.com 92.63.99.146, 49739, 49758, 80 THEFIRST-ASRU Russian Federation 19->40 42 www.widenyard.com 64.190.62.111, 49740, 49763, 80 NBS11696US United States 19->42 44 20 other IPs or domains 19->44 54 System process connects to network (likely due to code injection or exploit) 19->54 25 cmmon32.exe 19->25         started        signatures10 process11 signatures12 56 Modifies the context of a thread in another process (thread injection) 25->56 58 Maps a DLL or memory area into another process 25->58 60 Tries to detect virtualization through RDTSC time measurements 25->60 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/c1f4db9d7274fc25cac02626730a50d14b08f32536e1b4f298c36fb088c622aa/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-03 12:36:06 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yh2nxhlsot6clswaeythgcsq2ffqr4zfg3q3j4uyynx3bcggekva._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
3759a4136f3ab450b1c26121511bdfea101baf948b580af60516c8c2d5c7b900
Formbook
489e0e46a5df58a3144cd7a3ecb1fd0e29aa2db5060084ec774f1d2c8c763fd9
Formbook
49217eb71ec8276e6fdb8573c02691fa5b9de9cb14be7b82c4ec6570f78fcfdf
Formbook
4ab9d09d0ffc49408cb40fe30791e2dbe7d6ea5cec1d44d509c0032b7b0322c5
Formbook
63b94415ccf2fabff3be3a811ded9a5306d68ac197adc07d7c2be3b313e8a665
Formbook
6a37a2a65393b805bbe4e7e4e42b642da433e9caa7436aaeb9df8ab0fc6679b9
Formbook
7e88f1c425154e6fff6d031aaaa4d8bb4c8ff131e429f44310fd936bfc08b357
Formbook
84679ca59603f405a5096114188af75d5dcc3680ef795e446bd358f48cf12046
Formbook
a3d951fa76fbb0f24540b97767e2d327b9bdb2e6e93721cb3da4ac5370118dbc
Formbook
abb1db77386f0eb3cd2c68603ee8817d6d1015287422182845345dad70503564
Formbook
+ 7'198 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat suricata
Link:
https://tria.ge/reports/210803-mdgfh5jdq6/
Behaviour
Creates scheduled task(s)
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.saletshirtonline.net/vtg0/
Unpacked files
SH256 hash:
d50b00b0d29866a5275d5af538ecd8fb7a8f084f5209d64ffba54397206c89c6
MD5 hash:
d2be83368da629c6bc9aa28ac7c187cd
SHA1 hash:
0f50a852f0fafe380c1929480a27d1f870c19ff4
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/ea4666bf-0e6b-4ca2-bd26-69e589f01d68/
SH256 hash:
977941aa8289441f748b847b005b974c27fb4a592d38c43597063510e9663364
MD5 hash:
ceff3dab619ac60eae979ccd8aa4b35f
SHA1 hash:
6246fe5a216055f6da5830bfbc7dddf75eb5ed53
Link:
https://www.unpac.me/results/ea4666bf-0e6b-4ca2-bd26-69e589f01d68/
SH256 hash:
cfef97ff706312dff4edd998aeee22f1283221631ebb0cc954bebbb701c1465c
MD5 hash:
a0f625a3d3348903f3c902f588c0e4f5
SHA1 hash:
20d1f0b74abe6f500e8c21119f55281926210ac0
Link:
https://www.unpac.me/results/ea4666bf-0e6b-4ca2-bd26-69e589f01d68/
SH256 hash:
c1f4db9d7274fc25cac02626730a50d14b08f32536e1b4f298c36fb088c622aa
MD5 hash:
91465509a0f07c2321323ce5c4112f0d
SHA1 hash:
76c40dd410c91c03dfcec52388a47a8852538071
Link:
https://www.unpac.me/results/ea4666bf-0e6b-4ca2-bd26-69e589f01d68/
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/c1f4db9d7274fc25cac02626730a50d14b08f32536e1b4f298c36fb088c622aa

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_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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 c1f4db9d7274fc25cac02626730a50d14b08f32536e1b4f298c36fb088c622aa

(this sample)

  
Dropped by
null
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/176040/

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