MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2d7c03aa083b443c2cb1f0d296d9fc1afae5b9d1894bf4d1ba98b28568cd6ab3. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
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SHA256 hash: 2d7c03aa083b443c2cb1f0d296d9fc1afae5b9d1894bf4d1ba98b28568cd6ab3
SHA3-384 hash: 17eccbf2b213c77bd5a9d6d85f15c4ea6d50a22a03d3172d3ea01cbb62047e8716f88d7b95dfabe9e37a2ec5fa36062d
SHA1 hash: 31699ca8184298ae75d43f8d872a511e1c6a1575
MD5 hash: 6fa685ee6fcfafa06fff885cee02fa35
humanhash: princess-black-mockingbird-jersey
File name:PO0119-1620 LQSB 0320 Siemens.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:502'784 bytes
First seen:2020-11-19 07:35:30 UTC
Last seen:2020-11-19 14:55:35 UTC
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:ReVTEtnwzHSwqGMkCzn+639KKb2tOnO6d:wTEtnlwqGMkC79KrtOO6
Threatray 3'000 similar samples on MalwareBazaar
TLSH 77B48C07BFC6AB91D565B0BB23ECEA65ABE1F0C71300A75E030D9560A5E32D52E0D74E
Reporter FORMALITYDE
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
134
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.gh.21196.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching the default Windows debugger (dwwin.exe)
Result
Gathering data
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/542380
Signature
.NET source code contains very large array initializations
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 320286 Sample: PO0119-1620 LQSB 0320 Siemens.exe Startdate: 19/11/2020 Architecture: WINDOWS Score: 100 33 www.hz007.net 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 5 other signatures 2->47 11 PO0119-1620 LQSB 0320 Siemens.exe 3 2->11         started        signatures3 process4 file5 31 C:\...\PO0119-1620 LQSB 0320 Siemens.exe.log, ASCII 11->31 dropped 57 Hides that the sample has been downloaded from the Internet (zone.identifier) 11->57 15 PO0119-1620 LQSB 0320 Siemens.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 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 35 guillermoastiazaran.com 34.102.136.180, 49735, 80 GOOGLEUS United States 18->35 37 www.nmccafe.com 185.238.225.15, 49729, 80 DXTL-HKDXTLTseungKwanOServiceHK United Kingdom 18->37 39 3 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 explorer.exe 18->22         started        25 autofmt.exe 18->25         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 27 cmd.exe 1 22->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2d7c03aa083b443c2cb1f0d296d9fc1afae5b9d1894bf4d1ba98b28568cd6ab3/
Threat name:
ByteCode-MSIL.Ransomware.TeslaCrypt
Create hunting rule
Status:
Malicious
First seen:
2020-11-19 07:36:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
16a4855bceb4df02e0478cd72972a6e7f144f2278fedb239c2cb696cf6bf7199
Formbook
2829f8bf819c13d753f3c6b33726df8c46a533f3040b550a86ca0ab34f967e92
Formbook
333a258f45e7a8baaab72b1539859a00bca7309a8d641490329184977090b540
Formbook
45cf51569314dac91762e5c1f112c4a640595239d553729f10613f9f59403e84
Formbook
5d23faa05258eb51b196fee00263dc5e4556a37301d312563843a7ac8494ee19
Formbook
82ec33dd4f26eab172d8a0fc536751d12153a3f7175351da311a7059217c670e
Formbook
911fec402f3bb42d731c4e177c322c0df8d79f680e5a18f538a3ff2e3086c2bf
Formbook
b1b8f6dcd1c8d12e5a79a8d16dd62d0900d552ba435178b691f4497d338cc704
Formbook
b480eb7460b75d40b103d18ad084d425deb51890f5afc96354a44445ace090aa
Formbook
bd53fc041a6e364f163c70e2bcf38a1565f3764a31b8c94de466fce780f9ab71
Formbook
+ 2'990 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/201119-zfst892ckn/
Behaviour
Gathers network information
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.hz007.net/sppe/
Unpacked files
SH256 hash:
2d7c03aa083b443c2cb1f0d296d9fc1afae5b9d1894bf4d1ba98b28568cd6ab3
MD5 hash:
6fa685ee6fcfafa06fff885cee02fa35
SHA1 hash:
31699ca8184298ae75d43f8d872a511e1c6a1575
Link:
https://www.unpac.me/results/01fcce75-870d-4f8b-8935-93700ffdb69e/
SH256 hash:
4f690f3cf792f24a571f09740cf25d0979bde8c11180a26864056643c30479cd
MD5 hash:
304cc4a1948539064cfec5b70bd83e21
SHA1 hash:
32b3754f52323fd71b8349f01c9dd4bc4fecd880
Link:
https://www.unpac.me/results/01fcce75-870d-4f8b-8935-93700ffdb69e/
SH256 hash:
46d3802acb6c708fcba3fa7b0432b362a06220c078e4a16c89b248022d753e72
MD5 hash:
2706c4174f7f3794cf3428823e8e452b
SHA1 hash:
9f135a396459c2ef6b501fd6a0ad66d683da7e24
Link:
https://www.unpac.me/results/01fcce75-870d-4f8b-8935-93700ffdb69e/
SH256 hash:
542282ed737d2cb55e3cb59d05e58e8dbf6473d63461194a9ba597f0f3eb5d75
MD5 hash:
0ab09caf48c9dcbcbd53aef80493abd2
SHA1 hash:
fd985c8ed98d443fde035be26592b92662b9c5ea
Link:
https://www.unpac.me/results/01fcce75-870d-4f8b-8935-93700ffdb69e/
SH256 hash:
67d09eb36af07e34d3d93ebd9242e908ff99c7c8cb74aa98fa5cce8022836c5f
MD5 hash:
79083639792a6a1b485289b6d4f0206c
SHA1 hash:
cd12631c9871afc494bc0980f3df9cce424a1d1f
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/01fcce75-870d-4f8b-8935-93700ffdb69e/
Parent samples :
223589a5bf3a043b8d606772f167112ca6ddd2e445b73a1efc6dfb25307d20ce
b480eb7460b75d40b103d18ad084d425deb51890f5afc96354a44445ace090aa
2d7c03aa083b443c2cb1f0d296d9fc1afae5b9d1894bf4d1ba98b28568cd6ab3
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_formbook_g0
Create hunting rule
Author:Slavo Greminger, SWITCH-CERT

File information

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

Malspam

Formbook

Executable exe 2d7c03aa083b443c2cb1f0d296d9fc1afae5b9d1894bf4d1ba98b28568cd6ab3

(this sample)

  
Delivery method
Distributed via e-mail attachment

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