MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f88612861c176089dbc508618b0a265d093bc2d64310413a7a19edbf303bceda. 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
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SHA256 hash: f88612861c176089dbc508618b0a265d093bc2d64310413a7a19edbf303bceda
SHA3-384 hash: 70860c9945c51a5a1a0c24ad26827a6fb1181a6ca02aebc4320ce7575fddfdb57b0c2c358f74ce14fc56efcd3fcafb68
SHA1 hash: 5ab3b4444f52bbf1ffb407823cc13b519b6e35c3
MD5 hash: 427a8132ed5094febf785ffaa79a50bf
humanhash: arizona-mississippi-autumn-cup
File name:Invoice pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:751'104 bytes
First seen:2022-12-18 22:53:33 UTC
Last seen:Never
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:ywlSMmomPZefrqv4Kf/Fccw2NSNavwRxq2DMEznyal5ete34hPtqvyuP/X:comxirqv4KXBw2NSYvuxDMzaD34hQFXX
TLSH T173F4124037F8AB51D8B9A7F6557B61210BF1BE2AB895E318ADD270CF5632F844A00F47
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 30f0e0ecc8e0f030 (6 x SnakeKeylogger, 6 x AgentTesla, 5 x Formbook)
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
171
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Invoice pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-12-18 22:56:15 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/6c939a26-e35d-4c0c-93c9-a4bd2653e407

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/347750/
Detection(s):
Win.Dropper.Nanocore-9980414-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/639f9a0b8f89a0881295680f/reports/e1618090-e1b0-469b-9a70-fe0e0b7b0b4f/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6f9c3aec-cadf-4bbf-9dce-e8c54bfc0a9c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1136783
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
Initial sample is a PE file and has a suspicious name
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
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 769513 Sample: Invoice pdf.exe Startdate: 18/12/2022 Architecture: WINDOWS Score: 100 30 Multi AV Scanner detection for domain / URL 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus detection for URL or domain 2->34 36 9 other signatures 2->36 8 Invoice pdf.exe 3 2->8         started        process3 file4 24 C:\Users\user\AppData\...\Invoice pdf.exe.log, ASCII 8->24 dropped 48 Injects a PE file into a foreign processes 8->48 12 Invoice pdf.exe 8->12         started        15 Invoice pdf.exe 8->15         started        signatures5 process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 12->50 52 Maps a DLL or memory area into another process 12->52 54 Sample uses process hollowing technique 12->54 56 Queues an APC in another process (thread injection) 12->56 17 explorer.exe 12->17 injected process8 dnsIp9 26 www.alrt.info 80.92.205.131, 80 HELIOSNET-ASRU Russian Federation 17->26 28 www.somethingyourselves.com 103.193.185.8, 49698, 80 EHOSTIDC-AS-KREHOSTICTKR Hong Kong 17->28 38 System process connects to network (likely due to code injection or exploit) 17->38 21 help.exe 13 17->21         started        signatures10 process11 signatures12 40 Tries to steal Mail credentials (via file / registry access) 21->40 42 Tries to harvest and steal browser information (history, passwords, etc) 21->42 44 Deletes itself after installation 21->44 46 2 other signatures 21->46
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f88612861c176089dbc508618b0a265d093bc2d64310413a7a19edbf303bceda/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-12-06 08:59:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7cdbfbq4c5qitw6fbbqywcrgluetxqwwimiecot2dhw36mb3z3na._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:n2hm rat spyware stealer trojan
Link:
https://tria.ge/reports/221218-2vh7gadh63/
Behaviour
Modifies Internet Explorer settings
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
Reads user/profile data of web browsers
Blocklisted process makes network request
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d589fc25-db6d-4328-804c-30d018954796
Unpacked files
SH256 hash:
ce7e5e5813c6bf2d7f2542c829fc61d051224edb040de11acae51040c5e16274
MD5 hash:
f62c4b7846f4a91c89399c4176bd0afa
SHA1 hash:
ccf594b52fd14918a7dfb40882b9e52ea3c39dce
Detections:
XLoader
Create hunting rule
win_formbook_auto
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win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/2023d287-560a-48f7-a08f-02fbdc9b875d/
Parent samples :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 hash:
3cd809c186f0c699a2791d8932505f8b80cbd387c80d1dfca735add9198da2ae
MD5 hash:
211eb854ec69d832fc64bc16828d5db0
SHA1 hash:
b247e0d1d4b986b47e723994587c1ade699f8074
Link:
https://www.unpac.me/results/2023d287-560a-48f7-a08f-02fbdc9b875d/
SH256 hash:
f949994b0d80b72372743462a9fcc81515984a3458707f6f65663d4e1600a7a0
MD5 hash:
a34d6c71d206458e84f5f99aab56bc01
SHA1 hash:
e08fa41812f9405da380082ac38c4c4469722ea1
Link:
https://www.unpac.me/results/2023d287-560a-48f7-a08f-02fbdc9b875d/
SH256 hash:
d1b357ca53263649e9c49a4e041f3205f43e140e87ed1630f588ed557882d472
MD5 hash:
3054af557493f252ce2bf3ac93b11882
SHA1 hash:
cc104945c3b821cd757b2e746af15507378be68c
Link:
https://www.unpac.me/results/2023d287-560a-48f7-a08f-02fbdc9b875d/
SH256 hash:
922915132a628d0050bf03a473370544dde3323627fb4adcba3f1ba869537e50
MD5 hash:
1ecb63625d636b0b8f8ebdece9fa80c3
SHA1 hash:
5623d5ad21fc63893011bae7e4709c51219fcc1c
Link:
https://www.unpac.me/results/2023d287-560a-48f7-a08f-02fbdc9b875d/
SH256 hash:
340ba2312d5cdfc3d89f3f35f627187dcb406e5afea134bc76b04f52f4285df3
MD5 hash:
85f9290aa8900e9fd74b01ee23125706
SHA1 hash:
310eb5e4aea5471b74a6385f1da283b9d8e3d698
Link:
https://www.unpac.me/results/2023d287-560a-48f7-a08f-02fbdc9b875d/
SH256 hash:
f88612861c176089dbc508618b0a265d093bc2d64310413a7a19edbf303bceda
MD5 hash:
427a8132ed5094febf785ffaa79a50bf
SHA1 hash:
5ab3b4444f52bbf1ffb407823cc13b519b6e35c3
Link:
https://www.unpac.me/results/2023d287-560a-48f7-a08f-02fbdc9b875d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/f88612861c176089dbc508618b0a265d093bc2d64310413a7a19edbf303bceda

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 f88612861c176089dbc508618b0a265d093bc2d64310413a7a19edbf303bceda

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/347750/

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