MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4379766866eb8588c2c876edf39b943b3e5d925bd68d890d17c94c33c0a04ead. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
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SHA256 hash: 4379766866eb8588c2c876edf39b943b3e5d925bd68d890d17c94c33c0a04ead
SHA3-384 hash: d205f1944a98a4a1bdfa16926de0e42698b49f67f82433366674abd0a0e887ec4dcf31a9a3a76381a62623b8c73fc974
SHA1 hash: 7ebd283401cf749fe5bd9ed94368bee7640f1f86
MD5 hash: f3e58235941174f6d8bd31252813c46e
humanhash: one-green-lake-carpet
File name:IMG_20220724_114940.exe
Download: download sample
Signature Formbook
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File size:839'680 bytes
First seen:2022-08-24 04:10:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:RY1YNIu3XDG2yx+2dt/cHBxUbG34BDHAvnpL2ZBqJNG1Zj9:VN/G26prchupcvBYBIK
TLSH T18305AEB762A34A46C13A4FF508B1B7701A7DBCC17853DAECEC8EB2C8553DF961618582
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)
File icon (PE):PE icon
dhash icon e0d8b2a4a4b2d8e0 (4 x BlackGuard, 1 x Formbook, 1 x RedLineStealer)
Reporter malwarelabnet
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
304
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
IMG_20220724_114940.rar
Verdict:
Malicious activity
Analysis date:
2022-08-23 10:35:06 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/be8a76e7-21a7-4f6e-9614-091adc6cbb2a

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/300704/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1506.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed remcos
Link:
https://www.filescan.io/uploads/6305a4b6c9bbd990978da280/reports/4158a909-989f-488d-81ee-a036949b8657/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/2183aec6-8a72-4555-8f4b-f5a285233a56
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1056724
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
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 submitted file
Performs DNS queries to domains with low reputation
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)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 689241 Sample: IMG_20220724_114940.exe Startdate: 24/08/2022 Architecture: WINDOWS Score: 100 31 www.fitzandhealthy.com 2->31 37 Snort IDS alert for network traffic 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 8 other signatures 2->43 9 IMG_20220724_114940.exe 3 2->9         started        signatures3 process4 file5 23 C:\Users\user\...\IMG_20220724_114940.exe.log, ASCII 9->23 dropped 53 Injects a PE file into a foreign processes 9->53 13 IMG_20220724_114940.exe 9->13         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 13->55 57 Maps a DLL or memory area into another process 13->57 59 Sample uses process hollowing technique 13->59 61 Queues an APC in another process (thread injection) 13->61 16 explorer.exe 13->16 injected process9 dnsIp10 25 www.cummerspekac.xyz 109.123.121.243, 49750, 49751, 49752 UK2NET-ASGB United Kingdom 16->25 27 www.idgeformedia.com 162.213.255.149, 49754, 49755, 80 NAMECHEAP-NETUS United States 16->27 29 2 other IPs or domains 16->29 33 System process connects to network (likely due to code injection or exploit) 16->33 35 Performs DNS queries to domains with low reputation 16->35 20 explorer.exe 13 16->20         started        signatures11 process12 signatures13 45 Tries to steal Mail credentials (via file / registry access) 20->45 47 Tries to harvest and steal browser information (history, passwords, etc) 20->47 49 Deletes itself after installation 20->49 51 2 other signatures 20->51
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4379766866eb8588c2c876edf39b943b3e5d925bd68d890d17c94c33c0a04ead/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-08-23 08:14:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
71
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=in4xm2dg5ocyrqwio3w7hg4uhm7f3es322gysdixzfgdhqfaj2wq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  8/10
Tags:
spyware stealer
Link:
https://tria.ge/reports/220824-eryfnagabr/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
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
Reads user/profile data of web browsers
Blocklisted process makes network request
Unpacked files
SH256 hash:
98bba96d249eb0ec93c84fc9355ffe08239dd923acbea1ebf7dcc955eeefbce4
MD5 hash:
9ab41be45dba593d9ce35ea08f930812
SHA1 hash:
d4b6696700dd96f50d32bd2fc1d8a9db0e8ae8a6
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/bc97add5-2d8d-4be5-9f4b-bda107681dd3/
Parent samples :
6a37edabebd44201da96178005629c2e089a88eb4af8fdeef4fe42e1b1242e75
c78e508337c58080c5bf06e22c391e292c2e85e4d77ca39e032a5f84441eb17e
4379766866eb8588c2c876edf39b943b3e5d925bd68d890d17c94c33c0a04ead
SH256 hash:
ceda93fdfce3ad8e4f800d4f2d940d793b68b4b0b254b652bf42e13dbd189ba7
MD5 hash:
786afe844ec1723b635cace747b60efd
SHA1 hash:
fa647a584a7fcad392147a182e3a2435b3ad5bb9
Link:
https://www.unpac.me/results/bc97add5-2d8d-4be5-9f4b-bda107681dd3/
SH256 hash:
91d35666dcbb5cced912731df7a528db59bf505b45347e5a8b210e11e5d8ac87
MD5 hash:
95c4ffe900bcada9656cb0de8e1ecb04
SHA1 hash:
7f405cb2e265588b2e9edb57640c2d8e21d42218
Link:
https://www.unpac.me/results/bc97add5-2d8d-4be5-9f4b-bda107681dd3/
SH256 hash:
6369bf98b42c30518c7d2f629a759d595a8411de0d573deda016dc3f0d6c6fea
MD5 hash:
9476147cc22ff73bd9f13a122862d203
SHA1 hash:
292fa8f1162a6119fc67094fa133f845ff567a8e
Link:
https://www.unpac.me/results/bc97add5-2d8d-4be5-9f4b-bda107681dd3/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/bc97add5-2d8d-4be5-9f4b-bda107681dd3/
SH256 hash:
4379766866eb8588c2c876edf39b943b3e5d925bd68d890d17c94c33c0a04ead
MD5 hash:
f3e58235941174f6d8bd31252813c46e
SHA1 hash:
7ebd283401cf749fe5bd9ed94368bee7640f1f86
Link:
https://www.unpac.me/results/bc97add5-2d8d-4be5-9f4b-bda107681dd3/
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/4379766866eb8588c2c876edf39b943b3e5d925bd68d890d17c94c33c0a04ead

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/300704/

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