MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 426606d359e196a3ca9c9c0c82acb7b98673090af4d846ddf4a5192b271a6569. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 426606d359e196a3ca9c9c0c82acb7b98673090af4d846ddf4a5192b271a6569
SHA3-384 hash: f8d6365ef397fc32c7bc11ae1c398bbf18147df0707ff5caddab56d81c14be0bd7e2c83a0663abc0bdacda36d0e1f270
SHA1 hash: 43081ffd9ea92a6c03cb3e97d2343327abb41d2a
MD5 hash: a18e742972e5313f21b739277c03767b
humanhash: london-undress-failed-gee
File name:SHIPPING INVOICEpdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:899'584 bytes
First seen:2020-12-23 14:23:28 UTC
Last seen:2020-12-23 15:32:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:yAkyAzwPehAIsb9mz+iyBfBxC05nbbCI9YB:LPehAIscz+igBxC0lCI94
Threatray 3'464 similar samples on MalwareBazaar
TLSH CF158E243EEA5419F177BF3ACBD8748ACBBEF5233703E51A24A0235A4613E41ED81579
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
296
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SHIPPING INVOICEpdf.exe
Verdict:
Malicious activity
Analysis date:
2020-12-23 04:05:35 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/502dec2f-b47f-41b4-b875-c09911372f49

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/109184/
Detection(s):
SecuriteInfo.com.Trojan.MSIL.Basic.6.Gen.11665.8089.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
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/569218
Signature
.NET source code contains very large strings
Binary contains a suspicious time stamp
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 333670 Sample: SHIPPING INVOICEpdf.exe Startdate: 23/12/2020 Architecture: WINDOWS Score: 100 46 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Multi AV Scanner detection for dropped file 2->50 52 13 other signatures 2->52 10 SHIPPING INVOICEpdf.exe 7 2->10         started        process3 file4 32 C:\Users\user\AppData\Roaming\TTvmVTyD.exe, PE32 10->32 dropped 34 C:\Users\...\TTvmVTyD.exe:Zone.Identifier, ASCII 10->34 dropped 36 C:\Users\user\AppData\Local\...\tmpC28C.tmp, XML 10->36 dropped 38 C:\Users\user\...\SHIPPING INVOICEpdf.exe.log, ASCII 10->38 dropped 62 Injects a PE file into a foreign processes 10->62 14 SHIPPING INVOICEpdf.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 sfcsolar.com 50.87.151.234, 49770, 80 UNIFIEDLAYER-AS-1US United States 19->40 42 www.doblasur.com 51.77.150.38, 49773, 80 OVHFR France 19->42 44 6 other IPs or domains 19->44 54 System process connects to network (likely due to code injection or exploit) 19->54 25 help.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/426606d359e196a3ca9c9c0c82acb7b98673090af4d846ddf4a5192b271a6569/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2020-12-23 01:20:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ijtanu2z4glkhsu4tqgiflfxxgdhgcik6tmenxpuuumswjy2mvuq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1116683e1e819baeac8353772c937bf8a9d051bd0840108af5bea54bff370607
Formbook
2a411486f86d7a28869c33afc7efec53f718b0613f91b6a28a6d3343aeba8e63
Formbook
5864ae2b93c0ee29d29323151d1000df53cd3edca13b653e3b560871539ab384
Formbook
70f4d4292ae1e84f9aba35df12e510161a98d453697ed8ce4bebb5fabdb71232
Formbook
7391f3917523baee91e92967c12e20c57448474696590fcbc6e5e6b3c5e21f78
Formbook
9df9ae7c7105190f492e203637fb147ff92d8d197a42d215408a4ede9b8be1ce
Formbook
b40a41c9ee9ed3cc2a18968a900d160b0682e6a3e7b824a953a1e5ca88e6f524
Formbook
c611c4446e4604531e8e096508422fd01b23d26c424f9625d049e7edaf4f566a
Formbook
e33ecba374a7d34a6c237fde198844930a82c27199c76f49bc0558e0caf1f4a4
Formbook
e657ffb001754315f6a10d766882fc481809a576fde55ff1f0158b793beac202
Formbook
+ 3'454 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/201223-2yrcb6wmde/
Behaviour
Creates scheduled task(s)
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
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.maggiesdelibellyllc.com/th7/
Unpacked files
SH256 hash:
426606d359e196a3ca9c9c0c82acb7b98673090af4d846ddf4a5192b271a6569
MD5 hash:
a18e742972e5313f21b739277c03767b
SHA1 hash:
43081ffd9ea92a6c03cb3e97d2343327abb41d2a
Link:
https://www.unpac.me/results/d7909107-bc7e-49c6-a92f-91f1a4d52e53/
SH256 hash:
b44c084d6d0cccf9a32d90500e249bb2735cf5cca82a5c475b8b6a4fdfd42b3b
MD5 hash:
8084b5c94eab5ffa29eefd164cde4013
SHA1 hash:
06e8618d22a6671dd23707f05a0611c1cc344ff5
Link:
https://www.unpac.me/results/d7909107-bc7e-49c6-a92f-91f1a4d52e53/
SH256 hash:
d742a5e54e26a347cf05de90da6ee3d80ced3e00f6ed6b02bd16ecda2e9c45dd
MD5 hash:
79e39a6fc10789acbf222d4fe78f256f
SHA1 hash:
93184d2bfeff83d0998331e5fc9a2bb26e73d54a
Link:
https://www.unpac.me/results/d7909107-bc7e-49c6-a92f-91f1a4d52e53/
SH256 hash:
0fd9f8f84d857b826ff0728948693311d8973f5c2faa16b2997bf0e5c0d3885a
MD5 hash:
7663e31510fc1d3385f4490407782668
SHA1 hash:
d81e36a9dd86995d877c737ced1e5ba14be815ef
Link:
https://www.unpac.me/results/d7909107-bc7e-49c6-a92f-91f1a4d52e53/
SH256 hash:
8c80c8066414a0ae27954340dfefdcb5edf53bf4f3e272466f9cb16a32920a32
MD5 hash:
a46ae6e73af445c85d1f7291111ba7ff
SHA1 hash:
9afff7441e4185042d19300530255694fff6e8d7
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/d7909107-bc7e-49c6-a92f-91f1a4d52e53/
Parent samples :
da2b43b42246980530438667562ee8d128b2b748e817c03519157f9ba7a67ca2
426606d359e196a3ca9c9c0c82acb7b98673090af4d846ddf4a5192b271a6569
470d8938f9eedf84f9f75a9862f09d98bd0c9d265ede33a2f0983a5c26d17a7f
f0cc41f0a0ef330ace0f27bc22fc662d9bc5ddba3955f48ba6199bab268a59da
00f87217db6ce0a8cdff2047e69f74165e70f3a3a2132d0465217bf27e557776
4cab4abfd098f791a77bec161ec5a76ab3b1ef47dc046d9364d48b57065e15e6
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/426606d359e196a3ca9c9c0c82acb7b98673090af4d846ddf4a5192b271a6569

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/109184/

Comments