MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 423562e381586b1c4169d9c3c00014ef14c69bc546897a47ad7a301ac6c7c3c1. 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: 423562e381586b1c4169d9c3c00014ef14c69bc546897a47ad7a301ac6c7c3c1
SHA3-384 hash: 469f3a8dedf270ada603c9a9228d64685d079a10d16702da282018e4d23d842344d677528514623fd2aa7de71f67e22e
SHA1 hash: 6c0d12bee820275bb1cc1997e316eaf768acdfff
MD5 hash: 5a643f6321ba04fbd3fe4ddbd5ff3bbc
humanhash: hamper-arkansas-low-zebra
File name:нова поръчка pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:853'504 bytes
First seen:2023-06-21 06:35:43 UTC
Last seen:2023-06-27 06:46:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:2g7UZdvDcAwV49X8NQcpMOKkB1d5v20oVW:z7UZdvQRV4RKQyKkndh29W
Threatray 2'502 similar samples on MalwareBazaar
TLSH T19005D0907BED0F58E9BAA7F68834623503727E5E246ED34D5CD2B0CE5931B810A52F63
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 0434e84aa2eca0a0 (4 x SnakeKeylogger, 3 x Loki, 3 x AgentTesla)
Reporter TeamDreier
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
286
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
нова поръчка pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-06-21 06:38:46 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/6cf898e9-f89e-4599-8075-f9c75621dfed

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/401243/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.27851.27178.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/423562e381586b1c4169d9c3c00014ef14c69bc546897a47ad7a301ac6c7c3c1
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/f9db805e-f53a-4784-aef6-8aefabed701b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1258807
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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
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
Sigma detected: Scheduled temp file as task from temp location
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 891827 Sample: #U043d#U043e#U0432#U0430_#U... Startdate: 21/06/2023 Architecture: WINDOWS Score: 100 76 Found malware configuration 2->76 78 Malicious sample detected (through community Yara rule) 2->78 80 Antivirus detection for URL or domain 2->80 82 7 other signatures 2->82 10 #U043d#U043e#U0432#U0430_#U043f#U043e#U0440#U044a#U0447#U043a#U0430_pdf.exe 7 2->10         started        14 IfVsBF.exe 5 2->14         started        process3 file4 52 C:\Users\user\AppData\Roaming\IfVsBF.exe, PE32 10->52 dropped 54 C:\Users\user\...\IfVsBF.exe:Zone.Identifier, ASCII 10->54 dropped 56 C:\Users\user\AppData\Local\...\tmpA097.tmp, XML 10->56 dropped 58 #U043d#U043e#U0432...a#U0430_pdf.exe.log, ASCII 10->58 dropped 90 Uses schtasks.exe or at.exe to add and modify task schedules 10->90 92 Adds a directory exclusion to Windows Defender 10->92 16 RegSvcs.exe 10->16         started        19 powershell.exe 19 10->19         started        21 schtasks.exe 1 10->21         started        94 Writes to foreign memory regions 14->94 96 Injects a PE file into a foreign processes 14->96 23 RegSvcs.exe 14->23         started        25 schtasks.exe 1 14->25         started        27 RegSvcs.exe 14->27         started        29 2 other processes 14->29 signatures5 process6 signatures7 66 Modifies the context of a thread in another process (thread injection) 16->66 68 Maps a DLL or memory area into another process 16->68 70 Sample uses process hollowing technique 16->70 72 2 other signatures 16->72 31 explorer.exe 1 1 16->31 injected 35 conhost.exe 19->35         started        37 conhost.exe 21->37         started        39 conhost.exe 25->39         started        process8 dnsIp9 60 www.solardance.net 31->60 62 www.thevicattravisso.com 31->62 64 3 other IPs or domains 31->64 74 System process connects to network (likely due to code injection or exploit) 31->74 41 mstsc.exe 31->41         started        44 WWAHost.exe 31->44         started        46 autochk.exe 31->46         started        signatures10 process11 signatures12 84 Modifies the context of a thread in another process (thread injection) 41->84 86 Maps a DLL or memory area into another process 41->86 88 Tries to detect virtualization through RDTSC time measurements 41->88 48 cmd.exe 41->48         started        process13 process14 50 conhost.exe 48->50         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/423562e381586b1c4169d9c3c00014ef14c69bc546897a47ad7a301ac6c7c3c1/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-06-21 04:08:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
32
AV detection:
19 of 37 (51.35%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ii2wfy4blbvryqlj3hb4aaau54kmng6fi2exur5npiybvrwhypaq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1950034453da28649135d35016d5ab7ee791cd4bbbc1e4a72f7c56ce3aa9dd9a
Formbook
5beccb2435d3933d532afbe6c4f432dc6329c280c0d9fa8a849dcd797d542cc9
Formbook
a1a882d7abefdec8678649330339a2f080a777450da1be5110b88e81a8ea38cc
Formbook
ae9d5f45631bfbc0405e41100e77538f052fd1e609562ed63dde144f2b022a8b
Formbook
b1dac250b790090d75044bf149fb5e5372fed13d4c44999e4653a159d96c63b0
Formbook
da9ce816092043ded7f22e3368f1beaa75577190bdab4da16936d7c1bf774e84
Formbook
ec879f20532ad2763f5b921c58e0231e542ae4f7d488aadf0fdddbaf14fa3569
Formbook
fee8045c209d9fb37c073f9c19ff9fcdbb3556d8d8ff99292c45196d7ddac076
Formbook
+ 2'492 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:md05 rat spyware stealer trojan
Link:
https://tria.ge/reports/230621-hcw6tsfh46/
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
Formbook payload
Formbook
Unpacked files
SH256 hash:
5d2f53b5972e96a7645fcf3bcb9b595a2f274d4154523b6052a3264b04409a50
MD5 hash:
18a503def10488a85c8db746566b294a
SHA1 hash:
1372f1ac63e6a80bc86695070b1a577846527729
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/1be1ea85-3237-4c2b-9b34-68956ef53212/
Parent samples :
fee8045c209d9fb37c073f9c19ff9fcdbb3556d8d8ff99292c45196d7ddac076
1950034453da28649135d35016d5ab7ee791cd4bbbc1e4a72f7c56ce3aa9dd9a
312e247299af8e8376125bc4c6b43a6fd88315939b29ae507c5eea62fc26f567
da9ce816092043ded7f22e3368f1beaa75577190bdab4da16936d7c1bf774e84
423562e381586b1c4169d9c3c00014ef14c69bc546897a47ad7a301ac6c7c3c1
b2c1a9091f518029dbac23fab825be576244e2b8d07a82fea5b93778072dd6c7
SH256 hash:
52f358d201e81d3a0391cedd3042e2f957555b77aa49559f7fb810bbb7673ba1
MD5 hash:
c785ddc46141af772c75101d17c46a41
SHA1 hash:
e248723b6f60cc7607980d07172b64c33b2b2f15
Link:
https://www.unpac.me/results/1be1ea85-3237-4c2b-9b34-68956ef53212/
SH256 hash:
1e3859ead28750ec0142fbbe9033e61508ef1035f1e370c8b784144ae7a12c41
MD5 hash:
b1fc288e55fea5ea4f0306d51c028855
SHA1 hash:
dbb84980d5ba0390e0d6c92f5034ffdf726ca4cd
Link:
https://www.unpac.me/results/1be1ea85-3237-4c2b-9b34-68956ef53212/
SH256 hash:
fcd9a285076c520c73421fa9b0456c06cdbb3c087481f167e6bd5b18555dc191
MD5 hash:
bc1c82571e046deac0795f832966fda6
SHA1 hash:
76a5bf8577374c9e61abc76f4ba88ee044580525
Link:
https://www.unpac.me/results/1be1ea85-3237-4c2b-9b34-68956ef53212/
SH256 hash:
90b777c6cabbe7e683bf2a54a494bfdc8a9e2b89bcdda015bde9603dc8be347d
MD5 hash:
07a1e8a1864a8fc5e7d6a0c4b5db5068
SHA1 hash:
4c30ed2f73788d4860d728642a54a6e4db817d9a
Link:
https://www.unpac.me/results/1be1ea85-3237-4c2b-9b34-68956ef53212/
SH256 hash:
423562e381586b1c4169d9c3c00014ef14c69bc546897a47ad7a301ac6c7c3c1
MD5 hash:
5a643f6321ba04fbd3fe4ddbd5ff3bbc
SHA1 hash:
6c0d12bee820275bb1cc1997e316eaf768acdfff
Link:
https://www.unpac.me/results/1be1ea85-3237-4c2b-9b34-68956ef53212/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/423562e38158/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/423562e381586b1c4169d9c3c00014ef14c69bc546897a47ad7a301ac6c7c3c1

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 423562e381586b1c4169d9c3c00014ef14c69bc546897a47ad7a301ac6c7c3c1

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/401243/

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