MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 45f07d4fc57fe3ee1590d8e3f82bf0cab7dfd4ed7a69702b3af062b18c50f721. 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
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SHA256 hash: 45f07d4fc57fe3ee1590d8e3f82bf0cab7dfd4ed7a69702b3af062b18c50f721
SHA3-384 hash: 5c22f246ce81b9aef950c244dbd1f5ebbf94cd2b7c62cd6bc9f09173c7757d8c356066d2392f2688009952d3a74e7bb4
SHA1 hash: 1e919ef7383cf3bb259e5579570543fa631d97b4
MD5 hash: f9d587f8b5b4915018631e9d1b656530
humanhash: december-grey-bluebird-beer
File name:45f07d4fc57fe3ee1590d8e3f82bf0cab7dfd4ed7a69702b3af062b18c50f721
Download: download sample
Signature Formbook
Create hunting rule
File size:969'728 bytes
First seen:2023-01-05 14:31:40 UTC
Last seen:2023-01-05 16:32:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:hNy1l9ShZmBHmsLzeLSlqOD2ojLOccy37SQ1:K13ShSHzL8ODnLOcce+Q
TLSH T19D25CE10F2A94506D83659BD0E7C118143B939FB6674D2CE3C8D9DCEEBE2B13478AA53
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.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 9090e49034d8b1b1 (10 x AgentTesla, 7 x Formbook, 3 x SnakeKeylogger)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
181
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
45f07d4fc57fe3ee1590d8e3f82bf0cab7dfd4ed7a69702b3af062b18c50f721
Verdict:
Malicious activity
Analysis date:
2023-01-05 14:31:54 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/cd1eabf6-f142-497d-b1da-971de23cc3c2

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/349705/
Detection(s):
SecuriteInfo.com.Trojan.Generic.32423369.27311.4831.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed phishing
Link:
https://www.filescan.io/uploads/63b6df6440e878e30422f03c/reports/9f891fa3-5652-4b29-a28d-d43b1fe4230c/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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bb596b40-3c1b-48a4-8824-fb2f725d3105
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1145705
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
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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 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: 778439 Sample: 4CzM9488fI.exe Startdate: 05/01/2023 Architecture: WINDOWS Score: 100 57 www.balloonbanarasdecorator.com 2->57 59 www.8863365.com 2->59 61 2 other IPs or domains 2->61 73 Snort IDS alert for network traffic 2->73 75 Multi AV Scanner detection for domain / URL 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 8 other signatures 2->79 11 4CzM9488fI.exe 7 2->11         started        15 FOHQqqVC.exe 5 2->15         started        signatures3 process4 file5 49 C:\Users\user\AppData\Roaming\FOHQqqVC.exe, PE32 11->49 dropped 51 C:\Users\...\FOHQqqVC.exe:Zone.Identifier, ASCII 11->51 dropped 53 C:\Users\user\AppData\Local\...\tmp1673.tmp, XML 11->53 dropped 55 C:\Users\user\AppData\...\4CzM9488fI.exe.log, ASCII 11->55 dropped 83 Uses schtasks.exe or at.exe to add and modify task schedules 11->83 85 Adds a directory exclusion to Windows Defender 11->85 87 Tries to detect virtualization through RDTSC time measurements 11->87 17 4CzM9488fI.exe 11->17         started        20 powershell.exe 21 11->20         started        22 schtasks.exe 1 11->22         started        24 4CzM9488fI.exe 11->24         started        89 Multi AV Scanner detection for dropped file 15->89 26 FOHQqqVC.exe 15->26         started        28 schtasks.exe 1 15->28         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 17->65 67 Maps a DLL or memory area into another process 17->67 69 Sample uses process hollowing technique 17->69 71 Queues an APC in another process (thread injection) 17->71 30 explorer.exe 17->30 injected 34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        38 conhost.exe 28->38         started        process9 dnsIp10 63 www.96yz857.xyz 30->63 91 System process connects to network (likely due to code injection or exploit) 30->91 93 Performs DNS queries to domains with low reputation 30->93 40 colorcpl.exe 30->40         started        43 msdt.exe 30->43         started        signatures11 process12 signatures13 81 Tries to detect virtualization through RDTSC time measurements 40->81 45 cmd.exe 1 40->45         started        process14 process15 47 conhost.exe 45->47         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/45f07d4fc57fe3ee1590d8e3f82bf0cab7dfd4ed7a69702b3af062b18c50f721/
Threat name:
Win32.Trojan.Taskun
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Status:
Malicious
First seen:
2022-12-08 09:24:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ixyh2t6fp7r64fmq3dr7qk7qzk357vhnpjuxakz26brlddcq64qq._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:a24e rat spyware stealer trojan
Link:
https://tria.ge/reports/230105-rwallsfg9y/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/fc088356-b43b-401c-9c01-c362bda60f4d
Unpacked files
SH256 hash:
1674b0f5834453e6e85351c6358e8478cf1bd92196c77f5703717c2868290565
MD5 hash:
5e07de88edf75ba07c274dd44107951f
SHA1 hash:
9606b5a5182c130c276da4a76d76f1b14336beb2
Detections:
FormBook
Create hunting rule
win_formbook_auto
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win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/5ba7ed89-868b-4260-9999-3eb6736f6b41/
Parent samples :
26c7d3b6ad20ae3c7f44462c4e01d4756ea6ef1d0ad665b806ab3f7ab6b60dba
8cfdcbcbb0b67c66ebb1c3a4cfb995424a9dc791c13d8df53cea06bcd8c2afef
45f07d4fc57fe3ee1590d8e3f82bf0cab7dfd4ed7a69702b3af062b18c50f721
SH256 hash:
9add56e641a71e6bc2322cc574ec669408ff293f9df49e6a8253d02b73f22e14
MD5 hash:
e9128083972e14d9b1ff068ac3c316b5
SHA1 hash:
f2725ec68b8e0dcb99b10aafaa228630eeb4d6c3
Link:
https://www.unpac.me/results/5ba7ed89-868b-4260-9999-3eb6736f6b41/
SH256 hash:
21cd7fcd65de82ec1b6a3942dddac95d573b036ed462066c61e0a36f19df45a6
MD5 hash:
bf473578023b999fae61dbef5e9fc99a
SHA1 hash:
7b9bcac2c31e054662086b09786a33ac2ec9370b
Link:
https://www.unpac.me/results/5ba7ed89-868b-4260-9999-3eb6736f6b41/
SH256 hash:
7ce48d75f18524f09173c533fad0664ac2079255ec8b415dbdea4580232afd92
MD5 hash:
f7d0705cbefd85a5ebe553627a8ef667
SHA1 hash:
6b8ce594ea7f0c50c52277552a3a59e72bd021c5
Link:
https://www.unpac.me/results/5ba7ed89-868b-4260-9999-3eb6736f6b41/
SH256 hash:
340ba2312d5cdfc3d89f3f35f627187dcb406e5afea134bc76b04f52f4285df3
MD5 hash:
85f9290aa8900e9fd74b01ee23125706
SHA1 hash:
310eb5e4aea5471b74a6385f1da283b9d8e3d698
Link:
https://www.unpac.me/results/5ba7ed89-868b-4260-9999-3eb6736f6b41/
SH256 hash:
45f07d4fc57fe3ee1590d8e3f82bf0cab7dfd4ed7a69702b3af062b18c50f721
MD5 hash:
f9d587f8b5b4915018631e9d1b656530
SHA1 hash:
1e919ef7383cf3bb259e5579570543fa631d97b4
Link:
https://www.unpac.me/results/5ba7ed89-868b-4260-9999-3eb6736f6b41/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/45f07d4fc57f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/45f07d4fc57fe3ee1590d8e3f82bf0cab7dfd4ed7a69702b3af062b18c50f721

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
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/349705/

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