MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 84624d6f1c3c8d96d17d71a1a3eb5dfa4f6bba443364af9045e39a84e5707598. 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: 84624d6f1c3c8d96d17d71a1a3eb5dfa4f6bba443364af9045e39a84e5707598
SHA3-384 hash: fcde2c48a5c124693b79f328a4f0a805df3c978b48cfbcee8d0d4a825d031467e6ee72cf48d2309e06c0a4bf768d1eb9
SHA1 hash: abf149f4246072c6b9fa7b7a6accd3da3be217fa
MD5 hash: 4a578e751e7f4e34f371cb474abffe0f
humanhash: zulu-moon-potato-saturn
File name:proforma_pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:741'376 bytes
First seen:2022-11-10 12:29:47 UTC
Last seen:2022-11-15 11:36:55 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:MWRbZB0ecybgmbWtLTqA7Qe2JiFK1JaTUJ9M/:XtBPB8mbwvQeoSKaTUJ
TLSH T19AF49DA860558599FA6F937521EDFFB012F631F3A1C88B5692756084DBD8FC20E812CF
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13097/50/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0ce4d09ecefc799a (13 x Formbook, 9 x AgentTesla, 6 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
209
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
proforma_pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-11-10 12:47:58 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/3d8201f2-99b8-4c6f-b35a-de8febcacbe1

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/331907/
Detection(s):
SecuriteInfo.com.PUA.EmbeddedEXE-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching the process to change network settings
Unauthorized injection to a system process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed rundll32.exe
Link:
https://www.filescan.io/uploads/636ceed282dd9f2e265354bc/reports/d2540e98-de5f-4f91-b704-a8299de0a4a7/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/2c73f19b-c478-4ca8-994f-bb8c3a8013d1
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1110488
Signature
.NET source code contains potential unpacker
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
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 submitted file
Performs DNS queries to domains with low reputation
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 dnsIp2 2 Behavior Graph ID: 743182 Sample: proforma_pdf.exe Startdate: 10/11/2022 Architecture: WINDOWS Score: 100 24 www.beenected.com 2->24 26 beenected.com 2->26 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for URL or domain 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 7 other signatures 2->44 9 proforma_pdf.exe 3 2->9         started        signatures3 process4 file5 22 C:\Users\user\...\proforma_pdf.exe.log, ASCII 9->22 dropped 12 proforma_pdf.exe 9->12         started        process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 12->54 56 Maps a DLL or memory area into another process 12->56 58 Sample uses process hollowing technique 12->58 60 Queues an APC in another process (thread injection) 12->60 15 explorer.exe 12->15 injected process8 dnsIp9 28 declancosson.com 162.144.15.77, 49713, 80 UNIFIEDLAYER-AS-1US United States 15->28 30 www.patatassyp.org 217.76.128.35, 49717, 49718, 80 ONEANDONE-ASBrauerstrasse48DE Spain 15->30 32 2 other IPs or domains 15->32 34 System process connects to network (likely due to code injection or exploit) 15->34 36 Performs DNS queries to domains with low reputation 15->36 19 msiexec.exe 13 15->19         started        signatures10 process11 signatures12 46 Tries to steal Mail credentials (via file / registry access) 19->46 48 Tries to harvest and steal browser information (history, passwords, etc) 19->48 50 Deletes itself after installation 19->50 52 2 other signatures 19->52
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/84624d6f1c3c8d96d17d71a1a3eb5dfa4f6bba443364af9045e39a84e5707598/
Threat name:
Win32.Backdoor.NanoBot
Create hunting rule
Status:
Malicious
First seen:
2022-11-10 07:40:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
60
AV detection:
19 of 25 (76.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qrre23y4hsgznul5ogq2h2257jhwxosegnsk7ecf4onijzlqowma._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:8tmz rat spyware stealer trojan
Link:
https://tria.ge/reports/221110-ppgegahgf5/
Behaviour
Enumerates system info in registry
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
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/aef0efe3-519a-463b-bcd7-eecf3eb284f6
Unpacked files
SH256 hash:
664894eeb11494c8d3626c1ff74d42a0e2cc54de4b5af778c2f06e541b464478
MD5 hash:
8cc410b9a9cd287d20f5771478fa93a4
SHA1 hash:
d5c2002a65c0834cb9d4ce0a4c2275487c95e892
Detections:
XLoader
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/baf698f4-0f02-40cf-a8d1-9c9298502d08/
SH256 hash:
af8f99960d3f051e3b67b5ee5effe8525d3a54787bc913837b87452c2931461e
MD5 hash:
f15d6e73eb7e4061dced7381caa101d0
SHA1 hash:
acac5e5f38354071bacf30da21038b5cc420aa75
Link:
https://www.unpac.me/results/baf698f4-0f02-40cf-a8d1-9c9298502d08/
SH256 hash:
a056fd4430d7e612e2e9f326dbb8a6d121574d481e26b2d3fc5288d46b37672f
MD5 hash:
8a08a3b131b049a3f407be11fe392654
SHA1 hash:
c8f735da96f20c1999035ca4d4edd600ddb74a6e
Link:
https://www.unpac.me/results/baf698f4-0f02-40cf-a8d1-9c9298502d08/
SH256 hash:
77fb1cafd09cefda367a011a9e76587cc72463e945ee93a3cd8abdd787f26060
MD5 hash:
d882de73356358f9447c08fb0bd50b42
SHA1 hash:
b61c7d4f18f7f0f8e0e28343c5944c46b698bf66
Link:
https://www.unpac.me/results/baf698f4-0f02-40cf-a8d1-9c9298502d08/
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
Link:
https://www.unpac.me/results/baf698f4-0f02-40cf-a8d1-9c9298502d08/
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
Link:
https://www.unpac.me/results/baf698f4-0f02-40cf-a8d1-9c9298502d08/
SH256 hash:
84624d6f1c3c8d96d17d71a1a3eb5dfa4f6bba443364af9045e39a84e5707598
MD5 hash:
4a578e751e7f4e34f371cb474abffe0f
SHA1 hash:
abf149f4246072c6b9fa7b7a6accd3da3be217fa
Link:
https://www.unpac.me/results/baf698f4-0f02-40cf-a8d1-9c9298502d08/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/84624d6f1c3c/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/84624d6f1c3c8d96d17d71a1a3eb5dfa4f6bba443364af9045e39a84e5707598

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/331907/

Comments