MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7ff8da221f76a27a09d3cf6be17e7f40cf74c98fc8513ec8dc5d72ee34e75a5e. 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 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7ff8da221f76a27a09d3cf6be17e7f40cf74c98fc8513ec8dc5d72ee34e75a5e
SHA3-384 hash: 958b15051cdaaf40571f5cc4ccd2e37991ac81659418b789ca5a1c3b4cceff31cdcdfd81721dbcbe0e403cded3fc85f4
SHA1 hash: 9596e4f1c443ea4ea028f3f377dccad8e8132fe9
MD5 hash: f961d6f3eb82bc072a1c85287efb2ed4
humanhash: solar-thirteen-montana-skylark
File name:f961d6f3eb82bc072a1c85287efb2ed4
Download: download sample
Signature Formbook
Create hunting rule
File size:718'336 bytes
First seen:2021-07-22 18:07:53 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:ksFjetET2Py0fgOHoLKixS2jzkT8XNSaPZPXkqVGqO87kiWR5m6nZW9syaUVKnp:ksFXi604pLKiNjzkTsNScpkqcq7HWRLx
Threatray 6'713 similar samples on MalwareBazaar
TLSH T12CE4E074631FA704DC3887FD1C58D05167FAA02E925DDA383F9890BC7CB2BB896E0656
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
111
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL 07988 AWB 20210798.xlsx
Verdict:
Malicious activity
Analysis date:
2021-07-22 17:19:31 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/67a79ffd-3205-4f5a-b224-8e059c4f724d

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/173421/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.935-1.UNOFFICIAL
Create hunting rule

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/0c5154be-2d6f-483a-9072-cf933bc777c9
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/820359
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Multi AV Scanner detection for submitted file
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
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 452770 Sample: yaIVZ7CJkA Startdate: 22/07/2021 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 4 other signatures 2->42 10 yaIVZ7CJkA.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\yaIVZ7CJkA.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 54 Injects a PE file into a foreign processes 10->54 14 yaIVZ7CJkA.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 30 top10shadetrees.com 184.168.131.241, 49760, 80 AS-26496-GO-DADDY-COM-LLCUS United States 17->30 32 www.top10shadetrees.com 17->32 34 www.ssrinfo.com 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 msdt.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7ff8da221f76a27a09d3cf6be17e7f40cf74c98fc8513ec8dc5d72ee34e75a5e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-07-22 18:08:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0a84e32cef475ad1e323bdaa15a1f5b2e690b6d4b18afe7b36a82f95ceb76ac3
Formbook
160cc59f612cb0eb2cea9d77eae72641725f33eebdaf06d431d8bf409410b883
Formbook
1ad48f80cfee387f4e2a2d5c82d784a6a23060f0095712c4021fe6cba34cc60e
Formbook
35cace59334f4d4cd0714de7c3ffbe2d6817bcb19f1bfc642c5d4d47d5bd309d
Formbook
9624205b61e073bf50cf19e4c5412bf620218a2637315701c5fa78de627a5944
Formbook
9dac57302e2261a1a3c6a665d3960525b27fb70a1fd6b1e135a3e72f11c6f3e6
Formbook
c3005496c888af4b9fc31dbd00bf40159d9c0dbb5a7bd4fa6014afd6b33cdf3f
Formbook
+ 6'703 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/210722-h1alb4hl2n/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.surreal-myzrael.com/z7a/
Unpacked files
SH256 hash:
d0aca0415cf42ce55d313e3e516d72b3bd3aa24009213cf7f0db1daf5e4cded5
MD5 hash:
ec77f200ea55f81eaf038be9e7b31fb1
SHA1 hash:
3cfeab4580bc498fa4bbbf07ba7c93c1db54e13b
Link:
https://www.unpac.me/results/50a74f6b-98c9-4ffc-b21b-328d7d81711f/
SH256 hash:
83d9e44d9a311ea6fdbcbd09fdc816a2067806dcacf24beb5ee786191b1a3ea1
MD5 hash:
b1a7b752b6638ee03cffe5a1dde9213e
SHA1 hash:
52d215a173d2f293990f8c12fc7f4a86330a29cb
Link:
https://www.unpac.me/results/50a74f6b-98c9-4ffc-b21b-328d7d81711f/
SH256 hash:
e2336f5c83bb75ab36d5b11a6a22d801670f900cd3963f9b92ec6e7ad35edc02
MD5 hash:
a2a17646fa42f9a38dc6ca98aa736d61
SHA1 hash:
b92ce741f800e8b062fd7a55182276be67fa4652
Link:
https://www.unpac.me/results/50a74f6b-98c9-4ffc-b21b-328d7d81711f/
SH256 hash:
11f2cb3931ec5e21cee4257b1e1491df71c7b27ff41398f9c2df0fbe92e2a02d
MD5 hash:
283c2dc8e77f81a93abcc917785bf854
SHA1 hash:
19a118fc293cbf3952bc4ee8584066155bb83384
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/50a74f6b-98c9-4ffc-b21b-328d7d81711f/
Parent samples :
c3005496c888af4b9fc31dbd00bf40159d9c0dbb5a7bd4fa6014afd6b33cdf3f
1ad48f80cfee387f4e2a2d5c82d784a6a23060f0095712c4021fe6cba34cc60e
7ff8da221f76a27a09d3cf6be17e7f40cf74c98fc8513ec8dc5d72ee34e75a5e
7d65154a5dc05da45ebfe7b8a5bdb4858bf80812060257a5bde5d90ab12b23a6
51c9e29ebe25067c055b664cacc4c4d46b8d19bddd488936c3bab19906311806
SH256 hash:
7ff8da221f76a27a09d3cf6be17e7f40cf74c98fc8513ec8dc5d72ee34e75a5e
MD5 hash:
f961d6f3eb82bc072a1c85287efb2ed4
SHA1 hash:
9596e4f1c443ea4ea028f3f377dccad8e8132fe9
Link:
https://www.unpac.me/results/50a74f6b-98c9-4ffc-b21b-328d7d81711f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/7ff8da221f76a27a09d3cf6be17e7f40cf74c98fc8513ec8dc5d72ee34e75a5e

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
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.

Web download

Formbook

Executable exe 7ff8da221f76a27a09d3cf6be17e7f40cf74c98fc8513ec8dc5d72ee34e75a5e

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1474024/
Cape
Cape
https://www.capesandbox.com/analysis/173421/

Comments


Avatar
zbet commented on 2021-07-22 18:07:54 UTC

url : hxxp://180.214.236.151/process/dllhost.exe