MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 de4679b52c5e51db87ae9671ec2b25364dd62641377bfbfd6d5cf67e7741598c. 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: 10


Intelligence 10 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: de4679b52c5e51db87ae9671ec2b25364dd62641377bfbfd6d5cf67e7741598c
SHA3-384 hash: 1060cc44dd1e1ee5b892a15106fdb973e69f478b8e9e12cf4fa2a02877a8b03949d7c02a0b49305c9e1c4e79705f90e4
SHA1 hash: e20120ff82a30de2b0b7fe65257e4c485271404e
MD5 hash: c865606a4a120e31e30ef208ac4e66fc
humanhash: paris-bravo-queen-harry
File name:c865606a4a120e31e30ef208ac4e66fc.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:601'600 bytes
First seen:2020-10-06 17:49:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:XdhKnTC2n2Fgj1Lm30J6CYjriRvnAppv/Yyftrbn+Vc4:XDKnTnn2FQYEJTYHAvnApp3Y4Cu
Threatray 2'359 similar samples on MalwareBazaar
TLSH 0BD4011423B8DB25D07E173A6420101477F1A80B9261E39DFEEDB1ADB577BC8CD66B82
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
132
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/68643/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/483119
Signature
Allocates memory in foreign processes
Injects a PE file into a foreign processes
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 293997 Sample: mJpTkuTMSs.exe Startdate: 06/10/2020 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 4 other signatures 2->44 10 mJpTkuTMSs.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\...\mJpTkuTMSs.exe.log, ASCII 10->30 dropped 54 Writes to foreign memory regions 10->54 56 Allocates memory in foreign processes 10->56 58 Injects a PE file into a foreign processes 10->58 14 RegSvcs.exe 10->14         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 2 other signatures 14->66 17 explorer.exe 14->17 injected process8 dnsIp9 32 chantalrenaud.com 34.102.136.180, 49745, 49746, 80 GOOGLEUS United States 17->32 34 www.chantalrenaud.com 17->34 36 2 other IPs or domains 17->36 46 System process connects to network (likely due to code injection or exploit) 17->46 21 systray.exe 17->21         started        24 autofmt.exe 17->24         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 26 cmd.exe 1 21->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/de4679b52c5e51db87ae9671ec2b25364dd62641377bfbfd6d5cf67e7741598c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-06 10:49:36 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
netwirerc
Create hunting rule
Similar samples:
106f9f66c54be3c20be8f04ce63f5d6183d6eb9e79a6b243b5c820cc01ee24cb
Formbook
2f074d479236e1b4b36733f1e071d6c053a135025cbc62ccc233776b23604390
Formbook
5abc963a4cbaaee6582d5db264da8b2cb0c5a760115047a8df1e629c48dfc6e9
Formbook
5c0c2689256894521ac0012bc464ad7e0d93c25c60b9df3dfe26b35d85d1713a
Formbook
63d643f5f17f5e621ef22e4c05a5d92c519376d0043c0958284d34ae206c0161
Formbook
691e25f141a0389dec22a7f9027a57ff7242cd2918f525e3c22e81c863f803c9
Formbook
82f4ebd30b18743d8cc409de5931a978434755705af9bbfa3c6d8d0b34d30a6b
Formbook
89bf15eae14f60d6acc308cead31f09459947626b9839bbbddbf76f00821fe3b
Formbook
bcaf7b4adc919fd5aaae24902b8135e2ad6d13249e9cb784b1532b52e40449b5
Formbook
da111408d9dccb99b2c429d535ca55f6e970d911da4c24553e75d02fe9c00489
Formbook
+ 2'349 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/201006-a4chwp5jd6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.ccminghao.com/bnc/
Unpacked files
SH256 hash:
de4679b52c5e51db87ae9671ec2b25364dd62641377bfbfd6d5cf67e7741598c
MD5 hash:
c865606a4a120e31e30ef208ac4e66fc
SHA1 hash:
e20120ff82a30de2b0b7fe65257e4c485271404e
Link:
https://www.unpac.me/results/c455c7af-e5bc-49ab-b7bf-8112707fe32a/
SH256 hash:
13b24d3a09d099dabe41cd6cd71607a77e14640b1e9b4ed2d60f6c012f191c43
MD5 hash:
109cedae3c384a1913107f1efad2b7c8
SHA1 hash:
1f7f35b0ed85fa12bb839cbce698e59a30813420
Link:
https://www.unpac.me/results/c455c7af-e5bc-49ab-b7bf-8112707fe32a/
SH256 hash:
479820a8cb2c5fffbaccd0126ad2975b18963380a974fb58e981e22ba82ed89d
MD5 hash:
84170c619b799b308f94797b602a8c4a
SHA1 hash:
49e980fc88aaec00ccfa763bcffa6bd8082635a4
Link:
https://www.unpac.me/results/c455c7af-e5bc-49ab-b7bf-8112707fe32a/
SH256 hash:
4a873c5ddeff3d68ca735e3483c4471e38e9bcf65860b46821149e2452d33d93
MD5 hash:
1383c12541facce223a445c78af7f5bd
SHA1 hash:
50ce5046a818602cf198f1ed4e857b8f573effa2
Link:
https://www.unpac.me/results/c455c7af-e5bc-49ab-b7bf-8112707fe32a/
SH256 hash:
a32e5966abaf32a264cf3343a3ed03fa136413f8640bd2ccdebcca446dce0387
MD5 hash:
e6687bb7723275135329033e3790e428
SHA1 hash:
8979a45612fc54f8b9248410ed6730263ba376ad
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/c455c7af-e5bc-49ab-b7bf-8112707fe32a/
Parent samples :
5abc963a4cbaaee6582d5db264da8b2cb0c5a760115047a8df1e629c48dfc6e9
de4679b52c5e51db87ae9671ec2b25364dd62641377bfbfd6d5cf67e7741598c
fd9f113a78e94fc975ba4e5e940c91395e63b5ea904e7690fbad9f569b6da1b8
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/de4679b52c5e51db87ae9671ec2b25364dd62641377bfbfd6d5cf67e7741598c

File information

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

Web download

Formbook

Executable exe de4679b52c5e51db87ae9671ec2b25364dd62641377bfbfd6d5cf67e7741598c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/660221/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/68643/

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