MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0449cc00b0d77cbe2c9e5271db00cb1ca7955d8265b7d664408baa76b09af2f0. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0449cc00b0d77cbe2c9e5271db00cb1ca7955d8265b7d664408baa76b09af2f0
SHA3-384 hash: e67d67cc8f262e52c968c9b76a51eb68a86de0a6037b72dd62c80581d911ca0cc6d5647c0844787ae72329315855055e
SHA1 hash: 59c526bc7b63a8470a05230712a353b12a92ac81
MD5 hash: 1e67271955d456b9c354d86da2056523
humanhash: ceiling-nitrogen-mississippi-enemy
File name:DMS Dilmenler Makina ve Tekstil San Tic AŞ TEKLİF TALEP VE FİYAT TEKLİFİ_xlsx.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:769'536 bytes
First seen:2023-11-13 16:38:27 UTC
Last seen:2023-11-14 12:23:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:RWOTNXc3vnunBAFnSojes5usMw6ffGAdBC3lnAcE+TTszsHwWkZEaiJV:s3vuBqSo6MM3eAdBWA2Mi
Threatray 29 similar samples on MalwareBazaar
TLSH T1F2F4026416E45A07E5BE8BFEE070914083B4F216356BF36D46E430FE2DB77A1892172B
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 54b2f0d4ccccf010 (6 x Formbook, 4 x AgentTesla, 3 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe FormBook geo TUR

Intelligence

File Origin
# of uploads :
3
# of downloads :
311
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.Inject4.59820.7149.31569.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/0449cc00b0d77cbe2c9e5271db00cb1ca7955d8265b7d664408baa76b09af2f0
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:
Malicious
Link:
https://analyze.intezer.com/analyses/35582cc5-f663-4517-b564-a1c84d838e05
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1341815
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1341815 Sample: 130_xlsx.exe Startdate: 13/11/2023 Architecture: WINDOWS Score: 100 32 www.taxhwangeub.com 2->32 34 www.ls7551.online 2->34 36 16 other IPs or domains 2->36 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 Antivirus / Scanner detection for submitted sample 2->48 50 6 other signatures 2->50 10 130_xlsx.exe 4 2->10         started        signatures3 process4 signatures5 60 Adds a directory exclusion to Windows Defender 10->60 13 130_xlsx.exe 10->13         started        16 powershell.exe 23 10->16         started        18 130_xlsx.exe 10->18         started        process6 signatures7 62 Maps a DLL or memory area into another process 13->62 20 blKNrZkgXXKwEBLBS.exe 13->20 injected 22 conhost.exe 16->22         started        process8 process9 24 extrac32.exe 13 20->24         started        signatures10 52 Tries to steal Mail credentials (via file / registry access) 24->52 54 Tries to harvest and steal browser information (history, passwords, etc) 24->54 56 Writes to foreign memory regions 24->56 58 3 other signatures 24->58 27 blKNrZkgXXKwEBLBS.exe 24->27 injected 30 firefox.exe 24->30         started        process11 dnsIp12 38 www.sw231fds.vip 154.213.26.131, 49721, 49722, 49723 YISUCLOUDLTD-AS-APYISUCLOUDLTDHK Seychelles 27->38 40 africa-connective.com 46.23.69.44, 49741, 49742, 49743 UK2NET-ASGB United Kingdom 27->40 42 9 other IPs or domains 27->42
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/0449cc00b0d77cbe2c9e5271db00cb1ca7955d8265b7d664408baa76b09af2f0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0449cc00b0d77cbe2c9e5271db00cb1ca7955d8265b7d664408baa76b09af2f0/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2023-11-13 10:04:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=are4yafq256l4le6kjy5wagldstzkxmcmw35mzcarovhnme26lya._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
0449cc00b0d77cbe2c9e5271db00cb1ca7955d8265b7d664408baa76b09af2f0
Formbook
43141e46fdafbf6529ef4319ee733ef308a6e6e12278e74c135d977a5b135876
Formbook
915b5b0d16f54f50af35902863670a73a5ce5dfeabc25cfe3bfa23cc637651fa
Formbook
b539f1f7156011eee9786885843a4fa5a3329cfafb00b07424bd3ead34d8d1d9
Formbook
d6acbff1266eaf0979632a8bc6874a9ec934800cf6a039f0132a148447d0811a
Formbook
f35c56911d58753abb244cf6c07e780fdb30de306e454fedc8e20dd230b71ffa
Formbook
+ 19 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/231113-t5yqxadh61/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Checks computer location settings
Unpacked files
SH256 hash:
f1a5b3fe89471e71a17dfcecaf10866b7a4fed60562584d073f74b971f4a8752
MD5 hash:
802d05686e6e7b1b8395d754eabb279a
SHA1 hash:
2e683e1b71e267fe8ecbb0fec4c6eafd476d717c
Detections:
win_formbook_w0
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/46da4094-1c60-41e6-b6d9-2babb5001e60/
Parent samples :
0449cc00b0d77cbe2c9e5271db00cb1ca7955d8265b7d664408baa76b09af2f0
b78ba2452dad088b1530134732a00370192386281eb368aba2aef6f9cc11ae97
8e8d8067a54fb765bdb79b9ea1f37dfcd08ea29d6c039dc93c31c8ce6c5f72eb
9d0834f66177eec7045cc1c2317f8b6da857181740249968a71f43a5b21964e2
SH256 hash:
4affe8eccb0183654f4aac08808d02460316b8283441609bb78bc14babdd6f7a
MD5 hash:
90e303cc3cf75bfed919c4b8c384f3a9
SHA1 hash:
54375c92aedacc97722bf91f1c762d3a08a09163
Link:
https://www.unpac.me/results/46da4094-1c60-41e6-b6d9-2babb5001e60/
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/46da4094-1c60-41e6-b6d9-2babb5001e60/
SH256 hash:
76482f1dc9b0639dd6b2d762e09101875e207e8c60e146a43ca182a4c13d6afa
MD5 hash:
9561bc00330bfa400784c1b3b2075d0b
SHA1 hash:
b98f0014f428085dea5ea44108d64d9119e3d698
Link:
https://www.unpac.me/results/46da4094-1c60-41e6-b6d9-2babb5001e60/
SH256 hash:
7ff88425bb78f54185bfbf0664659781e899bbf34cbdcee3f704e991af301b2f
MD5 hash:
099462a892526be556344d2ad503cd64
SHA1 hash:
ace1cb51d4cd554b86f7096413a9c5d1461a2434
Link:
https://www.unpac.me/results/46da4094-1c60-41e6-b6d9-2babb5001e60/
SH256 hash:
0449cc00b0d77cbe2c9e5271db00cb1ca7955d8265b7d664408baa76b09af2f0
MD5 hash:
1e67271955d456b9c354d86da2056523
SHA1 hash:
59c526bc7b63a8470a05230712a353b12a92ac81
Link:
https://www.unpac.me/results/46da4094-1c60-41e6-b6d9-2babb5001e60/
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/0449cc00b0d77cbe2c9e5271db00cb1ca7955d8265b7d664408baa76b09af2f0

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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 0449cc00b0d77cbe2c9e5271db00cb1ca7955d8265b7d664408baa76b09af2f0

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments