MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ac5dceeed786e06a01cec7ce9d550a0f48c50511ad81db887c69fd5d720ff3e. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8ac5dceeed786e06a01cec7ce9d550a0f48c50511ad81db887c69fd5d720ff3e
SHA3-384 hash: a7b99da9120bd910ac977fcdc7096189ac5656989b3e6b1397cf81a8d51c26953fc402cdb7fa92a5e13da999a8fb601d
SHA1 hash: dadcd1f5d7297f8f122e09d05e12558ef58c32c7
MD5 hash: 8dfd221eafd933ce2c23b70f5ad3d67c
humanhash: magnesium-timing-california-eleven
File name:8ac5dceeed786e06a01cec7ce9d550a0f48c50511ad81db887c69fd5d720ff3e
Download: download sample
Signature Formbook
Create hunting rule
File size:1'116'672 bytes
First seen:2023-01-06 13:03:05 UTC
Last seen:2023-01-09 08:53:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:MR2iN1/Sr+pN0ZjMXnUjYD3p5+mkd4L/RCEkXXVJH8c+9eFf+mDXttarruVBDUJP:MR1e+N0ZIXUj03amkqIH80
TLSH T1C135491353C4C513E8620A3B4597EE8740A1DE5F7E62DB6C662BF93BF7F22821980D16
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 6b4b346153455121 (9 x Formbook)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
171
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8ac5dceeed786e06a01cec7ce9d550a0f48c50511ad81db887c69fd5d720ff3e
Verdict:
Malicious activity
Analysis date:
2023-01-06 13:06:22 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/65a9e592-adbc-4018-bf66-a2f6161d7f06

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/350053/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Porcupine.Trojan.Spy.MSIL.Noon.gen.66431.UNOFFICIAL
Create hunting rule

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:
formbook packed phishing
Link:
https://www.filescan.io/uploads/63b81c43bf1064ac5b2ddaac/reports/e197fcc1-dee4-4003-b17d-23798f4910ba/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/85c5da0a-4f2d-4737-a1ce-7359cc112bc5
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1146305
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
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
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 signatures2 2 Behavior Graph ID: 779037 Sample: 5CgahLGzmF.exe Startdate: 06/01/2023 Architecture: WINDOWS Score: 100 69 Malicious sample detected (through community Yara rule) 2->69 71 Antivirus detection for URL or domain 2->71 73 Sigma detected: Scheduled temp file as task from temp location 2->73 75 8 other signatures 2->75 10 5CgahLGzmF.exe 7 2->10         started        14 vcntKvwl.exe 5 2->14         started        process3 dnsIp4 49 C:\Users\user\AppData\Roaming\vcntKvwl.exe, PE32 10->49 dropped 51 C:\Users\...\vcntKvwl.exe:Zone.Identifier, ASCII 10->51 dropped 53 C:\Users\user\AppData\Local\...\tmp74F3.tmp, XML 10->53 dropped 55 C:\Users\user\AppData\...\5CgahLGzmF.exe.log, ASCII 10->55 dropped 83 Uses schtasks.exe or at.exe to add and modify task schedules 10->83 85 Adds a directory exclusion to Windows Defender 10->85 87 Tries to detect virtualization through RDTSC time measurements 10->87 17 5CgahLGzmF.exe 10->17         started        20 powershell.exe 21 10->20         started        22 schtasks.exe 1 10->22         started        24 5CgahLGzmF.exe 10->24         started        57 192.168.2.1 unknown unknown 14->57 89 Multi AV Scanner detection for dropped file 14->89 91 Machine Learning detection for dropped file 14->91 93 Injects a PE file into a foreign processes 14->93 26 vcntKvwl.exe 14->26         started        28 schtasks.exe 1 14->28         started        file5 signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 17->61 63 Maps a DLL or memory area into another process 17->63 65 Sample uses process hollowing technique 17->65 67 Queues an APC in another process (thread injection) 17->67 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 59 www.yds777.com 107.149.159.42, 49698, 80 PEGTECHINCUS United States 30->59 95 System process connects to network (likely due to code injection or exploit) 30->95 40 control.exe 30->40         started        43 wscript.exe 30->43         started        signatures11 process12 signatures13 77 Modifies the context of a thread in another process (thread injection) 40->77 79 Maps a DLL or memory area into another process 40->79 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/8ac5dceeed786e06a01cec7ce9d550a0f48c50511ad81db887c69fd5d720ff3e/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-12-22 05:18:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
23 of 41 (56.10%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rlc5z3xnpbxania45r6otvkqud2iyucrdlmb3oehy2p5lvza747a._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ci07 rat spyware stealer trojan
Link:
https://tria.ge/reports/230106-qaxnksgc62/
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:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d957635e-293f-4362-94d0-0c3f4902604d
Unpacked files
SH256 hash:
df140d439eac7c6b3d92b93f099289a3c5aab8bb2700f76e96fe3cf1a5896c56
MD5 hash:
344610dcf21c8e20223b966898b761fe
SHA1 hash:
d4f36442fd63c9dbb8d70b6bf3f6dc06d2f6dfd5
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/ebe2a7f7-1264-4478-9910-505328879bb8/
Parent samples :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 hash:
fc6485350cf55dc14ecbfd9b91b7a9979f61023b4104101e9f351caa6c73abaa
MD5 hash:
6c3fdb2b5d93cf814ea1b6ca05a0efcf
SHA1 hash:
f8ae5f9fa1c9b6b0e47b2f0873d2ee3373e0ebf5
Link:
https://www.unpac.me/results/ebe2a7f7-1264-4478-9910-505328879bb8/
SH256 hash:
cf72d99c1f822768923c540561b7c8758bb8bc675ce51232d9a34cfafb4ff800
MD5 hash:
bddb84335671aba4e6ce7390271d9f7e
SHA1 hash:
f57c5608b3c3ab9553b93ffac5c2d3ab02a2ea66
Link:
https://www.unpac.me/results/ebe2a7f7-1264-4478-9910-505328879bb8/
SH256 hash:
9664e4d716d271e6f3934a99fdc76f8a3e8f2bbd71817b485eb4c3baee11573d
MD5 hash:
81c28200ed3784981ea1429dd477f4bb
SHA1 hash:
a5fd1fd58ba556b47fc368c589bb00335f41e4e8
Link:
https://www.unpac.me/results/ebe2a7f7-1264-4478-9910-505328879bb8/
SH256 hash:
bf5f49e8514c4815e693e252cb0df638a198d4e4a9b19750cc0087432ecacaa6
MD5 hash:
a7fc71cb1632ec2b6e96991a9db50612
SHA1 hash:
69e9d49c5007bc0e772b40752e143908b1a84d8c
Link:
https://www.unpac.me/results/ebe2a7f7-1264-4478-9910-505328879bb8/
SH256 hash:
8ac5dceeed786e06a01cec7ce9d550a0f48c50511ad81db887c69fd5d720ff3e
MD5 hash:
8dfd221eafd933ce2c23b70f5ad3d67c
SHA1 hash:
dadcd1f5d7297f8f122e09d05e12558ef58c32c7
Link:
https://www.unpac.me/results/ebe2a7f7-1264-4478-9910-505328879bb8/
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/8ac5dceeed786e06a01cec7ce9d550a0f48c50511ad81db887c69fd5d720ff3e

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.

Cape
Cape
https://www.capesandbox.com/analysis/350053/

Comments