MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3603af319837f00dacace08ff3add606ccfd6faf64a53606575aae6f1a4ba782. 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: 3603af319837f00dacace08ff3add606ccfd6faf64a53606575aae6f1a4ba782
SHA3-384 hash: d8d3aea307d4860bb897e4baf8316ebee1aabc5bc031b2cf67a519d5de8b4fd2c73a8e5721486612606264a03da90a0f
SHA1 hash: b7a2ddbfd18fe7f0ea7683e73d84a595e966ebb9
MD5 hash: c10e0b9756b38239fed5025e119db829
humanhash: wolfram-triple-ack-red
File name:jets66700.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:264'243 bytes
First seen:2022-12-05 08:12:31 UTC
Last seen:2022-12-12 08:45:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ab6770b0a8635b9d92a5838920cfe770 (84 x Formbook, 30 x AgentTesla, 15 x Loki)
ssdeep 6144:QBn1/KUwq3q6YqZZ9f/EBqpObOiFzkiUF9FaP5qgJDa:gNslSEbOizk/9Foqg0
TLSH T17D44122277F1E8BFF853463B89636B32E2AEDA01227511534B601F75F16AADF4C06147
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
169
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/342779/
Detection(s):
SecuriteInfo.com.Trojan.Siggen19.18235.9098.731.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Sending a custom TCP request
Reading critical registry keys
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/638da8149a505ad9423d5c30/reports/7a2fe849-5251-4558-a0eb-7fdad9923606/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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/259d67f8-70f4-4322-9a60-359822e34c47
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1127815
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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
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: 760539 Sample: jets66700.exe Startdate: 05/12/2022 Architecture: WINDOWS Score: 100 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 4 other signatures 2->49 11 jets66700.exe 19 2->11         started        process3 file4 31 C:\Users\user\AppData\...\frevguizqj.exe, PE32 11->31 dropped 14 frevguizqj.exe 11->14         started        process5 signatures6 59 Multi AV Scanner detection for dropped file 14->59 61 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 14->61 63 Maps a DLL or memory area into another process 14->63 65 Tries to detect virtualization through RDTSC time measurements 14->65 17 frevguizqj.exe 14->17         started        process7 signatures8 35 Modifies the context of a thread in another process (thread injection) 17->35 37 Maps a DLL or memory area into another process 17->37 39 Sample uses process hollowing technique 17->39 41 Queues an APC in another process (thread injection) 17->41 20 explorer.exe 17->20 injected process9 dnsIp10 33 www.ragnallhess.com 20->33 51 System process connects to network (likely due to code injection or exploit) 20->51 24 control.exe 20->24         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 24->53 55 Maps a DLL or memory area into another process 24->55 57 Tries to detect virtualization through RDTSC time measurements 24->57 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3603af319837f00dacace08ff3add606ccfd6faf64a53606575aae6f1a4ba782/
Threat name:
Win32.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2022-12-02 17:56:00 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
14 of 26 (53.85%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gyb26mmyg7ya3lfm4ch7hlowa3gp235pmsstmbsxlkxg6gslu6ba._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:je14 rat spyware stealer trojan
Link:
https://tria.ge/reports/221205-j4exasbb22/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Unpacked files
SH256 hash:
823a68456ee4d5d2f1b0f1aa09f1315f93258abf6f7afcc061759e29597e9fd9
MD5 hash:
a39a8df87966e6758325be25896e9041
SHA1 hash:
78c9b0cb38956c0543b3347cbd049c745e99aeb7
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/d92fb2c0-b28f-4cc6-9d97-1364101e6d87/
Parent samples :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 hash:
8252fde630f2ded5bef111228be14aaf7b44888c31e7a10f6c0a9a2d63497f94
MD5 hash:
f2ba5a77e740a805f7e7db9bd3fb426c
SHA1 hash:
92e47136fac6be5768b9a05f2ec79221fca22189
Link:
https://www.unpac.me/results/d92fb2c0-b28f-4cc6-9d97-1364101e6d87/
SH256 hash:
3603af319837f00dacace08ff3add606ccfd6faf64a53606575aae6f1a4ba782
MD5 hash:
c10e0b9756b38239fed5025e119db829
SHA1 hash:
b7a2ddbfd18fe7f0ea7683e73d84a595e966ebb9
Link:
https://www.unpac.me/results/d92fb2c0-b28f-4cc6-9d97-1364101e6d87/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
Link:
https://yomi.yoroi.company/submissions/3603af319837f00dacace08ff3add606ccfd6faf64a53606575aae6f1a4ba782

File information

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

Malspam

Formbook

Executable exe 3603af319837f00dacace08ff3add606ccfd6faf64a53606575aae6f1a4ba782

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/342779/

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