MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4aa332e0b01fcc44224b62f8d7b306b862523b7a276e38efdaeea019ce6d7d2. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
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SHA256 hash: b4aa332e0b01fcc44224b62f8d7b306b862523b7a276e38efdaeea019ce6d7d2
SHA3-384 hash: 466868e9a81f996a75b104d6260d70194ec7d3575bc64a7097fa7c471ed73e8596e41279b4a39778bc2e1582a3f0d01b
SHA1 hash: 2dd01580b2b15935a4027c92fb2b563cc632b0b4
MD5 hash: 1050dcfb5a3f8ff606049a41c882bd36
humanhash: delaware-gee-missouri-sink
File name:Quotation.exe
Download: download sample
Signature Formbook
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File size:649'216 bytes
First seen:2022-05-09 08:26:39 UTC
Last seen:2022-05-16 09:17:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:7gjjDQbxi4y6QQ/xCXwH6gj4Tnxb5Ki7hgFhyCITD60/oa1Yg5LaFb7HQT8D6m:7gjjT6Qi0AH6Pn137oy
Threatray 16'049 similar samples on MalwareBazaar
TLSH T1F3D44998B11035DEFB5FC071CC686C14A7E5726E033A5132B4A3E7999F6D9F39A40CA2
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 96879a9c9c1a4636 (2 x Formbook)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
250
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Quotation.exe
Verdict:
Malicious activity
Analysis date:
2022-05-09 09:04:02 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/b7f09fdb-59b8-404d-b1cc-d6206b7297f8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Variant.Strictor.272260.4948.14283.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6278d076b119a5f609b30bbd/reports/d50866ce-bbff-4ffc-b429-e9d0791e6404/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/8c7ffdc4-02bc-4424-9b12-780c18b90afa
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/990028
Signature
Antivirus detection for URL or domain
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Snort IDS alert for network traffic
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 622524 Sample: Quotation.exe Startdate: 09/05/2022 Architecture: WINDOWS Score: 100 33 www.lexa.red 2->33 35 Snort IDS alert for network traffic 2->35 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 9 other signatures 2->41 11 Quotation.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\Quotation.exe.log, ASCII 11->31 dropped 51 Tries to detect virtualization through RDTSC time measurements 11->51 53 Injects a PE file into a foreign processes 11->53 15 Quotation.exe 11->15         started        18 Quotation.exe 11->18         started        20 Quotation.exe 11->20         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 15->55 57 Maps a DLL or memory area into another process 15->57 59 Sample uses process hollowing technique 15->59 61 Queues an APC in another process (thread injection) 15->61 22 explorer.exe 15->22 injected process9 process10 24 colorcpl.exe 22->24         started        signatures11 43 Self deletion via cmd delete 24->43 45 Modifies the context of a thread in another process (thread injection) 24->45 47 Maps a DLL or memory area into another process 24->47 49 Tries to detect virtualization through RDTSC time measurements 24->49 27 cmd.exe 1 24->27         started        process12 process13 29 conhost.exe 27->29         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b4aa332e0b01fcc44224b62f8d7b306b862523b7a276e38efdaeea019ce6d7d2/
Threat name:
ByteCode-MSIL.Trojan.AveMariaRAT
Create hunting rule
Status:
Malicious
First seen:
2022-05-09 08:27:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wsvdglqlah6miqrewyxy26zqnodcki5xuj3ohdx5v3vadhhg27ja._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
253f3e1ffc17c3ef73f007378392b6b18c856f03175e978572bc3f105b3754a2
Formbook
2ed8aeaf73ee1a3caf7eb0be7814868c4100efbe1b021e2d964db3b638dc7f3c
Formbook
4a7aa26a59cccaa38181f61e413214368bd2cb3b8aa9c93c8694cc7d37591a3f
Formbook
76cc06bfad45121afa9c1b5ac81cfc129a3a16a388170a84e895ed099ccccecb
Formbook
8392408d685d10ddf024a7e4f47976e03a00fd787bd4ee0932766c4b9b278bc0
Formbook
9577df8b7e48bb30b9bd48e49c548d45cc5cc4a9bf1b93aa79f4ab35fc977cb3
Formbook
c652919676cc6f3ea808c6e1023de343d27ed8f72f4f1b94523c4ecfb09bf223
Formbook
c8f9dc774ab6e27b3116b72c28e68a88e087bc1648c1a96509c26e33575ba9cc
Formbook
ce7e5c68cfe5d7e602c698d10280cd44280e78dfa8ba0b549b90a4ba906ba84b
Formbook
de9fdb344c542595de3ddf65357a6982f0085d0f7b42c1de534c3963134c2cb3
Formbook
+ 16'039 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:w2k1 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220509-kcfvysffdk/
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
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
31f48cc3156dcbebaab11782a03674f75dac763d9175a5524b3f2b52c4378d58
MD5 hash:
0561ac195b1b6c0a5518aa60298abb2a
SHA1 hash:
ad207bc4b3698fe82eb534e790b514c882427498
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
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Link:
https://www.unpac.me/results/f2034851-3a70-41d8-a913-ad373954f808/
Parent samples :
b4aa332e0b01fcc44224b62f8d7b306b862523b7a276e38efdaeea019ce6d7d2
b49b339fee0e9543d77688426378faefab1b4fca1e310df88fb8ed376b5456d3
7cb8f90415dcf72737ecdbf484c7edcc851d40e2cdadf12dc9f66999d5f16de3
c9e0f97f02b1ec201cf601fab351cfe4d2ac5c5271e1cf282e91e3d5712dc1d6
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/f2034851-3a70-41d8-a913-ad373954f808/
SH256 hash:
008fcbaebb24124aad666495a4e15bff78121742ff7fdad40948fdf3a5fcb21a
MD5 hash:
abb29099ce3f45fcd33890cbd5ec4c3d
SHA1 hash:
10d957efb8e7a32662044e45a3f398c3ddedd9b9
Link:
https://www.unpac.me/results/f2034851-3a70-41d8-a913-ad373954f808/
SH256 hash:
b4aa332e0b01fcc44224b62f8d7b306b862523b7a276e38efdaeea019ce6d7d2
MD5 hash:
1050dcfb5a3f8ff606049a41c882bd36
SHA1 hash:
2dd01580b2b15935a4027c92fb2b563cc632b0b4
Link:
https://www.unpac.me/results/f2034851-3a70-41d8-a913-ad373954f808/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b4aa332e0b01/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.71
Link:
https://yomi.yoroi.company/submissions/b4aa332e0b01fcc44224b62f8d7b306b862523b7a276e38efdaeea019ce6d7d2

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 b4aa332e0b01fcc44224b62f8d7b306b862523b7a276e38efdaeea019ce6d7d2

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments