MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2382a65e62ea823df4d480c958ba0df9712521d74cbf85327f1279c6729f4797. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
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SHA256 hash: 2382a65e62ea823df4d480c958ba0df9712521d74cbf85327f1279c6729f4797
SHA3-384 hash: 8751e961cb5237bf73785f6376d38a426b3f9af3d0e2a0b0251503d78b3ac41100ab6f6e5e04c27a6a5d37c0b0472a0e
SHA1 hash: 25634079d3c97b4b757ec2dc33d9f3575d89f2cc
MD5 hash: f3916e60d1d304178b16b91a98c0b8ba
humanhash: jupiter-magazine-undress-violet
File name:Revise Invoice_010-020.exe
Download: download sample
Signature Formbook
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File size:723'968 bytes
First seen:2022-11-15 11:37:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'656 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:/ifIXPod2iNS39oo3F5/W+TE+4k1kL8fULbu9Mnw2ftfenBGKV5s6yGFepdewugD:/Cd183io3F93TELkiL8Kbq2ftfe3y6y5
TLSH T1A8F4124D62B18D58E6BF0BBAF1441014937C7843E18BD7AA5ECA79E6B9433F849483C7
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
183
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
Revise Invoice_010-020.exe
Verdict:
Malicious activity
Analysis date:
2022-11-15 11:49:17 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/54975a8b-877b-4dac-9bd1-dd1b90ada544

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/334245/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63737a1cf75d59fef0b9743b/reports/c44ea187-3729-478c-9e00-1152d2a8ff65/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/3dabc8f4-f179-48d3-8f96-56b085b36ebc
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1114200
Signature
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 746901 Sample: Revise Invoice_010-020.exe Startdate: 15/11/2022 Architecture: WINDOWS Score: 100 24 www.michellegobbi.com 2->24 26 michellegobbi.com 2->26 38 Snort IDS alert for network traffic 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for URL or domain 2->42 44 7 other signatures 2->44 9 Revise Invoice_010-020.exe 3 2->9         started        signatures3 process4 file5 22 C:\Users\...\Revise Invoice_010-020.exe.log, ASCII 9->22 dropped 12 Revise Invoice_010-020.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 www.yes2e.tech 79.98.26.42, 49703, 49704, 49705 RACKRAYUABRakrejusLT Lithuania 15->28 30 www.infraedu.info 121.254.178.253, 49700, 49701, 49702 LGDACOMLGDACOMCorporationKR Korea Republic of 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 Uses netsh to modify the Windows network and firewall settings 15->36 19 netsh.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/2382a65e62ea823df4d480c958ba0df9712521d74cbf85327f1279c6729f4797/
Threat name:
ByteCode-MSIL.Spyware.SnakeLogger
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Status:
Malicious
First seen:
2022-11-09 10:09:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
27 of 41 (65.85%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eobkmxtc5kbd35guqdevroqn7fyskioxjs7ykmt7cj44m4u7i6lq._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:u2t4 rat spyware stealer trojan
Link:
https://tria.ge/reports/221115-nrqkgsdg23/
Behaviour
Suspicious use of WriteProcessMemory
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 SetThreadContext
Checks computer location settings
Loads dropped DLL
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b6275343-5e22-4a7f-ae34-85105118e3b2
Unpacked files
SH256 hash:
959bd36359bbcaa56a2add5d7a34a96a326dc93cbf9423f242830570b31f94f4
MD5 hash:
bc0d16b08ecfb94a917bd18442054e3c
SHA1 hash:
925b845dccc589d6a65ebd0927786165e87e989b
Detections:
XLoader
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win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/19f75cbb-6087-4415-9ffb-6ed6bbc91cf6/
Parent samples :
b93895bf25b4802252c954577edfceb1ec4288270bbd04a5aa6226f7c974774a
2382a65e62ea823df4d480c958ba0df9712521d74cbf85327f1279c6729f4797
6c0b46a75222d73d7c3b383335b4445ecbf1e4559b132dc64a291929128c04ae
bf72c2caa17e8d579ea996b2bf36bb251498e56e26375b88703f1d59289d9e80
SH256 hash:
782be9612927fe798168cb379202d7d4965a8f7271f4d4c73233e3fedcc05489
MD5 hash:
5bad6dcdad3c91897b544a21bac192c1
SHA1 hash:
5ed31cb612c82d1b61aec69b4074b8cf47378091
Link:
https://www.unpac.me/results/19f75cbb-6087-4415-9ffb-6ed6bbc91cf6/
SH256 hash:
4e2a75b65d9c57dc329f5ce31d982af47b6872ecb1ca39da2dd8a0d6dc556c18
MD5 hash:
906215208638f178aa9aad01af2a83aa
SHA1 hash:
fd8e64a52cd413e56d2e6182c602feeb375e6687
Link:
https://www.unpac.me/results/19f75cbb-6087-4415-9ffb-6ed6bbc91cf6/
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
Link:
https://www.unpac.me/results/19f75cbb-6087-4415-9ffb-6ed6bbc91cf6/
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
Link:
https://www.unpac.me/results/19f75cbb-6087-4415-9ffb-6ed6bbc91cf6/
SH256 hash:
7cbd8b4f37a4c6bbaf1968610ef474d490d72b47591d5b41f4f71bcebbf6b46e
MD5 hash:
2dc5e4b9276a2c9f89c9f8223c3e4dc2
SHA1 hash:
15765fb30106ae5e41901a4b50a9b261877e1be9
Link:
https://www.unpac.me/results/19f75cbb-6087-4415-9ffb-6ed6bbc91cf6/
SH256 hash:
2382a65e62ea823df4d480c958ba0df9712521d74cbf85327f1279c6729f4797
MD5 hash:
f3916e60d1d304178b16b91a98c0b8ba
SHA1 hash:
25634079d3c97b4b757ec2dc33d9f3575d89f2cc
Link:
https://www.unpac.me/results/19f75cbb-6087-4415-9ffb-6ed6bbc91cf6/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2382a65e62ea823df4d480c958ba0df9712521d74cbf85327f1279c6729f4797

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.

Malspam

Formbook

Executable exe 2382a65e62ea823df4d480c958ba0df9712521d74cbf85327f1279c6729f4797

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/334245/

Comments