MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 61dd51dcce8bcfdb4821dda40d374c76a5c1dcc64086e4b1ef4d672b56f1897d. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 61dd51dcce8bcfdb4821dda40d374c76a5c1dcc64086e4b1ef4d672b56f1897d
SHA3-384 hash: c8dbed7a6a52e56991d38e8f13d2893ea9cb26e7bf3bb64214c77cce62f9c9e6e1805db5434fb143e2a9ea51ae0ac1c7
SHA1 hash: 44eb484e3fc7b6468301f40d20cb8165d0802564
MD5 hash: 9930e84057fa22e6515fe8fd13ad56a6
humanhash: hydrogen-bacon-victor-rugby
File name:TEKLIF 00350921.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'364'152 bytes
First seen:2022-09-28 07:18:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 24576:iAOcZXp0hIi7yThpUBnFAGMUkjPV99npuezy71oporaho:oOiOThSVFzMUkj9fZe6GH
TLSH T120551243F6D194B2D4B31A3187366B359DFDBC100E55DA6EA3D82A6DEA71080E610FB3
TrID 91.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.6% (.EXE) Win64 Executable (generic) (10523/12/4)
1.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
0.6% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 80a4a6a6a6a68081 (11 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
252
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/314254/
Detection(s):
Win.Dropper.NetWire-9970213-0
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SecuriteInfo.com.Gen.Variant.Johnnie.221809.751.14920.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Enabling the 'hidden' option for files in the %temp% directory
Creating a process from a recently created file
Creating a file
Adding an access-denied ACE
Launching a process
Launching the default Windows debugger (dwwin.exe)
Launching cmd.exe command interpreter
Sending a custom TCP request
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/39668/overview
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware overlay packed setupapi.dll shdocvw.dll shell32.dll
Link:
https://www.filescan.io/uploads/6333f56ac9e2f3435431051a/reports/10b44a6c-18e8-4a94-a143-e021e57e21f1/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/8f3cf8bd-c98c-4387-94f1-ca82b8780375
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1079039
Signature
Allocates memory in foreign processes
Antivirus detection for dropped file
Contains functionality to inject code into remote processes
Drops PE files with a suspicious file extension
Found API chain indicative of debugger detection
Injects a PE file into a foreign processes
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
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected AntiVM autoit script
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 711594 Sample: TEKLIF 00350921.exe Startdate: 28/09/2022 Architecture: WINDOWS Score: 100 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected FormBook 2->47 49 3 other signatures 2->49 11 TEKLIF 00350921.exe 41 2->11         started        process3 file4 31 C:\Users\user\AppData\Local\...\udvsuqnn.pif, PE32 11->31 dropped 14 udvsuqnn.pif 2 11->14         started        process5 signatures6 57 Antivirus detection for dropped file 14->57 59 Multi AV Scanner detection for dropped file 14->59 61 Found API chain indicative of debugger detection 14->61 63 5 other signatures 14->63 17 RegSvcs.exe 14->17         started        20 RegSvcs.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 41 Tries to detect virtualization through RDTSC time measurements 20->41 process9 process10 24 cscript.exe 22->24         started        signatures11 51 Modifies the context of a thread in another process (thread injection) 24->51 53 Maps a DLL or memory area into another process 24->53 55 Tries to detect virtualization through RDTSC time measurements 24->55 27 cmd.exe 1 24->27         started        process12 process13 29 conhost.exe 27->29         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/61dd51dcce8bcfdb4821dda40d374c76a5c1dcc64086e4b1ef4d672b56f1897d/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-09-21 10:19:30 UTC
File Type:
PE (Exe)
Extracted files:
386
AV detection:
24 of 39 (61.54%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mhovdxgorph5wsbb3wsa2n2mo2s4dxggicdojmppjvtswvxrrf6q._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:se30 rat spyware stealer trojan
Link:
https://tria.ge/reports/220928-h5h5nsgdel/
Behaviour
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
Loads dropped DLL
Blocklisted process makes network request
Executes dropped EXE
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/8286aba3-f359-4b1d-83a8-c3150fb705e6
Unpacked files
SH256 hash:
fec90244d14e12381826e2fa115822ce29c429ed19579235b42bcebbfcc2ea84
MD5 hash:
b67c1e0bc307aa37591b28230e2b555c
SHA1 hash:
e9614fa595fd82d4f99cd9e8a3a4bb094f766a74
Detections:
FormBook
Create hunting rule
win_formbook_auto
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win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/78df7336-6ba0-48b7-b401-766f684eb3c7/
Parent samples :
aa005608adb8e7e3c775383f20f2608164056713bcbb92d0ec5c99994d8af750
a96ccfc5b5b64660b986d22b9bcc96cb5e178d3d506893bd24a959a5338a4a32
80512cf673dd31a9773077d3bb4fdd06b5741f263980c4c1963286737d77c0ec
196d28ffbe79ad0c781de3236791292f10aaf0a1c0442b48105a876fae54bc20
61dd51dcce8bcfdb4821dda40d374c76a5c1dcc64086e4b1ef4d672b56f1897d
c592f572b4f87a2427947d58315997c0165d1d5a9aaf0cccbdc42f4cd296a996
SH256 hash:
f3675d2ce06eee99e72a8724987da3efa6243bddd51cfcaa0a40538b3cabf4d8
MD5 hash:
016a0d84c1c677be0cf92d6d1088cff6
SHA1 hash:
c69b95b27ba19c3e1d0a0caf6736993da030ae2f
Link:
https://www.unpac.me/results/78df7336-6ba0-48b7-b401-766f684eb3c7/
SH256 hash:
61dd51dcce8bcfdb4821dda40d374c76a5c1dcc64086e4b1ef4d672b56f1897d
MD5 hash:
9930e84057fa22e6515fe8fd13ad56a6
SHA1 hash:
44eb484e3fc7b6468301f40d20cb8165d0802564
Link:
https://www.unpac.me/results/78df7336-6ba0-48b7-b401-766f684eb3c7/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/61dd51dcce8b/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/61dd51dcce8bcfdb4821dda40d374c76a5c1dcc64086e4b1ef4d672b56f1897d

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
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:RansomwareTest4
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Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest5
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest6
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest7
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:sfx_pdb
Create hunting rule
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.
Rule name:sfx_pdb_winrar_restrict
Create hunting rule
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.

File information

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

Malspam

Formbook

Executable exe 61dd51dcce8bcfdb4821dda40d374c76a5c1dcc64086e4b1ef4d672b56f1897d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/314254/

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