MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1bcbf1dce6780dbfb1b1ad1d86f25d4b7a50063be5b4640f8939085980c4e00c. 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: 13


Intelligence 13 IOCs YARA 1 File information Comments
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SHA256 hash: 1bcbf1dce6780dbfb1b1ad1d86f25d4b7a50063be5b4640f8939085980c4e00c
SHA3-384 hash: cac903525ac7ad2117ef30b433135975dadc3dc150a0d5a48c53cadefee6489cf6c6c4f5363ab6dee04da9614986d564
SHA1 hash: 49d23c8eac05f7c8af203f0b46f7d805fc4b1724
MD5 hash: da9914f2f681c7ef59293d3804c9133d
humanhash: speaker-spring-crazy-floor
File name:Teklif Isteme Formu.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:219'587 bytes
First seen:2022-10-24 12:47:54 UTC
Last seen:2022-10-24 14:17:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 6144:qweEpobsxm+SEfyjP4P3yYZcfrFPWHFjp:bowkAwfrFPWH
TLSH T1A32412336AD2887BF9C740B19AB5ABA6E2B77C501371530F57B02F7E9C36289480D1D6
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.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 lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
207
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Teklif Isteme Formu.exe
Verdict:
Malicious activity
Analysis date:
2022-10-24 12:49:33 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/9a0305a9-4bbc-4e47-8e4e-2ff98ceb3ea1

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/323419/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.560.26995.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Searching for the window
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0245eca2-6f8b-4480-a13e-b87aaf635907
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1096530
Signature
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 dropped file
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 729173 Sample: Teklif Isteme Formu.exe Startdate: 24/10/2022 Architecture: WINDOWS Score: 100 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected FormBook 2->45 47 2 other signatures 2->47 11 Teklif Isteme Formu.exe 18 2->11         started        process3 file4 31 C:\Users\user\AppData\Local\Temp\hvufe.exe, PE32 11->31 dropped 14 hvufe.exe 1 11->14         started        process5 signatures6 51 Machine Learning detection for dropped file 14->51 53 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 14->53 55 Maps a DLL or memory area into another process 14->55 57 Tries to detect virtualization through RDTSC time measurements 14->57 17 hvufe.exe 14->17         started        20 conhost.exe 14->20         started        process7 signatures8 33 Modifies the context of a thread in another process (thread injection) 17->33 35 Maps a DLL or memory area into another process 17->35 37 Sample uses process hollowing technique 17->37 39 Queues an APC in another process (thread injection) 17->39 22 explorer.exe 17->22 injected process9 process10 24 rundll32.exe 22->24         started        signatures11 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:
n/a
Link:
https://mwdb.cert.pl/sample/1bcbf1dce6780dbfb1b1ad1d86f25d4b7a50063be5b4640f8939085980c4e00c/
Threat name:
Win32.Trojan.GenericML
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Status:
Malicious
First seen:
2022-10-24 13:59:12 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dpf7dxhgpag37mnrvuoyn4s5jn5fabr34w2gid4jheeftage4aga._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:et02 rat spyware stealer trojan
Link:
https://tria.ge/reports/221024-p1r1cageh6/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Unpacked files
SH256 hash:
4119ded25b9d01e546ee42d7a45082c2504ea991f6eccb7c74427a9321c1fb5a
MD5 hash:
74b9bd019c741c26889aa89a6a2d6456
SHA1 hash:
a9e8ebbd7a8fbd51aed0fc08a50f11bb91b5b644
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/ed49f530-f361-4a25-9b5a-485fc166d332/
Parent samples :
5b2bee7d89137e5b5c3eae900446b022c482a5ecd56ede64214ec95498c0f35e
13f17498233c027b2634373a0bd1f1978748102b7cfb798ef52d34c48b92661c
3a48a55ee6f9ace1e0b8042458f9d16deb6ff58970873c2e9f063c60f6821127
dc3f7072eb60a4282bd3f6e8fa600c17a9c9f8ade539111bcadcab024a186455
5ab3c03297b5f627ff9ae8b6234c9789c03ba6e497d2bb9672272662a184a328
1bcbf1dce6780dbfb1b1ad1d86f25d4b7a50063be5b4640f8939085980c4e00c
9469fcaa1fdedbca5dea10fbc8908e549bd80111eebeb817b1f74d6355fdff66
1e1725100ca63de1addb3e668dbbef572a683beb2bf3c1648181ec1cc3479cf5
SH256 hash:
bc74795639b62eb7a3958ad888e682031fa055f610db1739e51efa057adbf308
MD5 hash:
c20ebe6762bf3ff431b6db1e4fa70a95
SHA1 hash:
85bbc70e270515b53c26966a720249b4559b9835
Link:
https://www.unpac.me/results/ed49f530-f361-4a25-9b5a-485fc166d332/
SH256 hash:
1bcbf1dce6780dbfb1b1ad1d86f25d4b7a50063be5b4640f8939085980c4e00c
MD5 hash:
da9914f2f681c7ef59293d3804c9133d
SHA1 hash:
49d23c8eac05f7c8af203f0b46f7d805fc4b1724
Link:
https://www.unpac.me/results/ed49f530-f361-4a25-9b5a-485fc166d332/
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/1bcbf1dce6780dbfb1b1ad1d86f25d4b7a50063be5b4640f8939085980c4e00c

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin

File information

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

Malspam

Formbook

Executable exe 1bcbf1dce6780dbfb1b1ad1d86f25d4b7a50063be5b4640f8939085980c4e00c

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/323419/

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