MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 311c2667d094e51f0ad2596333a243ca6296d25c07223abf95af0256ed7aeb97. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 311c2667d094e51f0ad2596333a243ca6296d25c07223abf95af0256ed7aeb97
SHA3-384 hash: 7321567824ad72a4a7da2805e05c97f536eb5df3c0507da744742126efaf09c091fdc53e969d8bbb1f1322123b849a6d
SHA1 hash: e0f51f5e3d5fce0f6ec709d55c3788a7705374a7
MD5 hash: 7a61b9b538df2b032cc0c2465f6496f1
humanhash: spring-wyoming-ten-maryland
File name:Dimensions and sizes for valves quotation.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:868'864 bytes
First seen:2021-07-12 08:03:43 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:OsIXkxRUXN5GnTOdU+CHpZszuC8iEl4WcH2XEqtOm6otNUBrXNJiGmK:OsqkxRw8HlXFbOyNK9M7
Threatray 6'334 similar samples on MalwareBazaar
TLSH T16F053B2827BC96C9F137EFB49F90A6048FE37D6ED625D5492DD0328A1530E80EE76532
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
127
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Dimensions and sizes for valves quotation.exe
Verdict:
Malicious activity
Analysis date:
2021-07-12 08:06:05 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/841dc689-fc8c-427e-b046-8cccbd8fa7fa

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/170974/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.925-1.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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3671608b-a141-4e1e-abc5-5b51ac5ad405
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/814614
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 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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 447024 Sample: Dimensions and sizes for va... Startdate: 12/07/2021 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Yara detected FormBook 2->40 42 5 other signatures 2->42 10 Dimensions and sizes for valves quotation.exe 3 2->10         started        process3 file4 30 Dimensions and siz...s quotation.exe.log, ASCII 10->30 dropped 54 Injects a PE file into a foreign processes 10->54 14 Dimensions and sizes for valves quotation.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 32 www.ukuleleintensive.com 17->32 34 parkingpage.namecheap.com 198.54.117.218, 49766, 80 NAMECHEAP-NETUS United States 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 46 Uses ipconfig to lookup or modify the Windows network settings 17->46 21 ipconfig.exe 17->21         started        24 autoconv.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/311c2667d094e51f0ad2596333a243ca6296d25c07223abf95af0256ed7aeb97/
Threat name:
ByteCode-MSIL.Spyware.Noon
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Status:
Malicious
First seen:
2021-07-12 08:04:06 UTC
AV detection:
10 of 46 (21.74%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=geocmz6qstsr6cwslfrthisdzjrjnus4a4rdvp4vv4bfn3l25olq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1fc7c86df7aa45224f6c8f4a94513663dfe77dc79603a0c1325736c376aa68e2
Formbook
2a7a9c6d4505766ddf0a6c7dde9c2ae52369408fbe5ce93d0d3d76bf992b28dd
Formbook
473ec4f2b7a198ff36e66b86cbc05848883b4dffeaacb8b9c97e67e88e977986
Formbook
6e71e82dcb056af810baae26909b712ec2dc1610bbf8ebbee00b62f9bb2b3189
Formbook
b35de004189f271fe754dd614e5fbbc299425f5aca9ebf1f935bf26696964853
Formbook
b3c5b3cf581d15fcbacf67b4bdba199bfe7089704875746109b3206eb07b99e2
Formbook
c7b835a38f13c18350ba953a8f57f8c90a237804c377ba32d6fd212daa08e98c
Formbook
d0116b0ea676a655b1d55a2b7a79fb2585c1d04803e9d1d6f9cd1da15f789138
Formbook
d869fa27fd5d5a229609f218572f1625820cb8176ba6c1616714e40d4e6b7897
Formbook
e47fa9824fd9f5f8e8b42fb02f53cfbf57b7c784d54c9e76ed247a9d297835cf
Formbook
+ 6'324 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/210712-4v36yctxln/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.xzklzl.com/gbwy/
Unpacked files
SH256 hash:
c4acfbab042fc79ae2dd1d90f0d4769437c83b93507fef8095fff44c5c807647
MD5 hash:
cc99435f5a8adf19e4dc5e7251f7393a
SHA1 hash:
1e9b0c20d4a9901b33c4f3290a17b7222440a3f6
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/aac4a1d2-ff85-48dd-9f80-856df028a9f4/
Parent samples :
473ec4f2b7a198ff36e66b86cbc05848883b4dffeaacb8b9c97e67e88e977986
1fc7c86df7aa45224f6c8f4a94513663dfe77dc79603a0c1325736c376aa68e2
6e71e82dcb056af810baae26909b712ec2dc1610bbf8ebbee00b62f9bb2b3189
311c2667d094e51f0ad2596333a243ca6296d25c07223abf95af0256ed7aeb97
6164b2ec2fb35d3d23436b32a695beb72917b2fdc58b3191e2d9a83e2caac810
SH256 hash:
5f5257e30cfc2caab058013ffc60f90fb8a5d780a14834e1371054290b7658e4
MD5 hash:
b0e14c3526d6623ae9b7b5f5e0efde76
SHA1 hash:
f7d127bff2dfb1100ebd55fdd12dfb7a2b382fdc
Link:
https://www.unpac.me/results/aac4a1d2-ff85-48dd-9f80-856df028a9f4/
SH256 hash:
f1fe44324daecaa8f44fcb8a1d31d172b8a11ec8015259627fe55e133cba93e5
MD5 hash:
f9b3ff4e8e3c18472dd97616453c0323
SHA1 hash:
ba7179c62c7ca10c54f445675452d0a2985139b9
Link:
https://www.unpac.me/results/aac4a1d2-ff85-48dd-9f80-856df028a9f4/
SH256 hash:
98f4a709e7c44cad4b504aeff626cbe93593454ab65ba1c365ec07fa18ba2163
MD5 hash:
024842ba3eae0fe35d6c61a8cd7c1043
SHA1 hash:
2100eb16dc2f67d5819cd6a484017a4e22d87e73
Link:
https://www.unpac.me/results/aac4a1d2-ff85-48dd-9f80-856df028a9f4/
SH256 hash:
311c2667d094e51f0ad2596333a243ca6296d25c07223abf95af0256ed7aeb97
MD5 hash:
7a61b9b538df2b032cc0c2465f6496f1
SHA1 hash:
e0f51f5e3d5fce0f6ec709d55c3788a7705374a7
Link:
https://www.unpac.me/results/aac4a1d2-ff85-48dd-9f80-856df028a9f4/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/311c2667d094e51f0ad2596333a243ca6296d25c07223abf95af0256ed7aeb97

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
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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 311c2667d094e51f0ad2596333a243ca6296d25c07223abf95af0256ed7aeb97

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/170974/

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