MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3e86387adbdd180e176ef1f444d80ce89ef89155e5fc41c6637c6ebb26c7f5f5. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3e86387adbdd180e176ef1f444d80ce89ef89155e5fc41c6637c6ebb26c7f5f5
SHA3-384 hash: 02d0525697bbca0eb637775d04638b657bb0262bef3963dbce830e5b256beb5b34ab12cf9a34b6b92193a19dbf94570b
SHA1 hash: 65d86a0e858776fb6b1bdbcf9d9a347fe713769e
MD5 hash: 61bf6c68e87bffebadf09d55601a45d2
humanhash: vegan-alpha-eighteen-comet
File name:rRFQ_GD2031.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'033'216 bytes
First seen:2023-03-16 12:13:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:KZX9thNtqkBhdrIJJyoOjk/ivWp8dmRN:KZX9thfv8LDOo/H0mRN
Threatray 2'323 similar samples on MalwareBazaar
TLSH T1E825AF3D3EA9A9D2F174F2B1DBE14222E7E39EC3A926DE4A15C2334C4633752748215D
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 2016070a807e2666 (1 x Formbook)
Reporter FXOLabs
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
217
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
rRFQ_GD2031.exe
Verdict:
Malicious activity
Analysis date:
2023-03-16 12:14:20 UTC
Tags:
formbook xloader trojan stealer
Link:
https://app.any.run/tasks/058a03e3-6bb7-43ee-ba25-6cac3f309ae2

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/374749/
Detection(s):
Porcupine.MSIL.Kryptik.AIIY.103214.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
mokes packed shell32.dll
Link:
https://www.filescan.io/uploads/6413080b71b58075e0261195/reports/addd11e3-bbbf-4844-bc12-0e4fc2693748/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/3e86387adbdd180e176ef1f444d80ce89ef89155e5fc41c6637c6ebb26c7f5f5
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d68e4804-65ff-4a16-ad69-4570ffac9da3
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1194902
Signature
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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)
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
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 827803 Sample: rRFQ_GD2031.exe Startdate: 16/03/2023 Architecture: WINDOWS Score: 100 53 www.03258.vip 2->53 55 60258.b.cloudfastly.net 2->55 71 Snort IDS alert for network traffic 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 Sigma detected: Scheduled temp file as task from temp location 2->75 77 7 other signatures 2->77 11 rRFQ_GD2031.exe 6 2->11         started        15 SknUFaCIWfd.exe 5 2->15         started        signatures3 process4 file5 47 C:\Users\user\AppData\...\SknUFaCIWfd.exe, PE32 11->47 dropped 49 C:\Users\user\AppData\Local\...\tmp6AAA.tmp, XML 11->49 dropped 51 C:\Users\user\AppData\...\rRFQ_GD2031.exe.log, ASCII 11->51 dropped 85 Uses schtasks.exe or at.exe to add and modify task schedules 11->85 87 Tries to detect virtualization through RDTSC time measurements 11->87 17 rRFQ_GD2031.exe 11->17         started        20 schtasks.exe 1 11->20         started        89 Multi AV Scanner detection for dropped file 15->89 91 Machine Learning detection for dropped file 15->91 93 Injects a PE file into a foreign processes 15->93 22 SknUFaCIWfd.exe 15->22         started        24 schtasks.exe 1 15->24         started        26 SknUFaCIWfd.exe 15->26         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 17->63 65 Maps a DLL or memory area into another process 17->65 67 Sample uses process hollowing technique 17->67 69 Queues an APC in another process (thread injection) 17->69 28 explorer.exe 2 1 17->28 injected 32 conhost.exe 20->32         started        34 conhost.exe 24->34         started        process9 dnsIp10 57 lrtsal.com 15.197.142.173, 49685, 80 TANDEMUS United States 28->57 59 www.lrtsal.com 28->59 61 www.castbrix.today 28->61 95 System process connects to network (likely due to code injection or exploit) 28->95 97 Uses netsh to modify the Windows network and firewall settings 28->97 36 netsh.exe 28->36         started        39 chkdsk.exe 28->39         started        41 autochk.exe 28->41         started        signatures11 process12 signatures13 79 Modifies the context of a thread in another process (thread injection) 36->79 81 Maps a DLL or memory area into another process 36->81 83 Tries to detect virtualization through RDTSC time measurements 36->83 43 cmd.exe 1 36->43         started        process14 process15 45 conhost.exe 43->45         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3e86387adbdd180e176ef1f444d80ce89ef89155e5fc41c6637c6ebb26c7f5f5/
Threat name:
Win32.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2023-03-16 03:23:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=h2ddq6w33uma4f3o6h2ejwam5cpprekv4x6edrtdprxlwjwh6x2q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0ce125663c13098237173a0f183ed629019cfaa7a79464a34f109f48e83a49e6
Formbook
10f07d893ce971191295d3c52b3a5c761b62edde3a50981cafb2ffc5fab72dab
Formbook
323f73b7cd367686fdc28a770469e6f6b3b1e45b6f375ef836bd3636880a102c
Formbook
45f07d4fc57fe3ee1590d8e3f82bf0cab7dfd4ed7a69702b3af062b18c50f721
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597979053a51f37ffa0cbeb1847f707b2dd3b3cdbcc5c0a5e66a1f15b5419b8e
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9580bddf76a3d9179e760fba40850e85f6dc3baad1356165b78cf160bad11f28
Formbook
9a11023aa7479ba614e1287f7acba0822e95d707810eb9165cf994742d5eb34f
Formbook
b45be59343f5970290662dc9e333544b0e467b88896fb37e4a334049101aa8df
Formbook
c281a71fb596469b127df24339591627da2a8abbb0293103965c85fd6672254f
Formbook
efd586fdc04eae13911a3f2638cb478edb6c952716e3279d854c4d855a9a70c1
Formbook
+ 2'313 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:mk14 rat spyware stealer trojan
Link:
https://tria.ge/reports/230316-pea5psag32/
Behaviour
Creates scheduled task(s)
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
Checks computer location settings
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
a0965e70892875ddff73f0e59cb696bb0477fa74de18d2e3a8da3717e21cda45
MD5 hash:
eb5b9e04e1216e010bcd1750baf74d74
SHA1 hash:
903fb2d3fe2f257c4d7e0c30d0ac5bb5a6b395a6
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/10c7d547-d548-4fcd-b4cf-50568c6236b7/
SH256 hash:
227de9e6c4fe87159b76912f6c3cfcc7d40736e9f168f1e7066fb0f091319cf4
MD5 hash:
733587da0da392f8bf8c41519265e9d7
SHA1 hash:
8f1163d041f6491422667aee8f3bf9787c71a963
Link:
https://www.unpac.me/results/10c7d547-d548-4fcd-b4cf-50568c6236b7/
SH256 hash:
ea8d4c91ec5bba5e1db6c17730d7ba5cdbb5ff3c1a777f70c90e91ce599d9b5d
MD5 hash:
27f5124bf8f451bca8d8a15c73c4f521
SHA1 hash:
5fd557e109b8fd1c3b362b64f0ba9f1600c07211
Link:
https://www.unpac.me/results/10c7d547-d548-4fcd-b4cf-50568c6236b7/
SH256 hash:
3e86387adbdd180e176ef1f444d80ce89ef89155e5fc41c6637c6ebb26c7f5f5
MD5 hash:
61bf6c68e87bffebadf09d55601a45d2
SHA1 hash:
65d86a0e858776fb6b1bdbcf9d9a347fe713769e
Link:
https://www.unpac.me/results/10c7d547-d548-4fcd-b4cf-50568c6236b7/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3e86387adbdd/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3e86387adbdd180e176ef1f444d80ce89ef89155e5fc41c6637c6ebb26c7f5f5

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.

Malspam

Formbook

Executable exe 3e86387adbdd180e176ef1f444d80ce89ef89155e5fc41c6637c6ebb26c7f5f5

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/374749/

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