MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5973940f1f529a71a4729cf5f4a0c7467d5b9b59bd27346c3d1a16309fc0060. 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 3 File information Comments
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SHA256 hash: c5973940f1f529a71a4729cf5f4a0c7467d5b9b59bd27346c3d1a16309fc0060
SHA3-384 hash: dd5aad2da4eeb16f20c8af6bf817c11af27d869d5e94f9b2638435a99164eeac4a7abd9b5309fb81d785df97eb3fe43b
SHA1 hash: 19bfc5f39e0f56ab104484ef771232d0d727cede
MD5 hash: 8fcd57b72144dd06291af140390e9579
humanhash: october-summer-seven-finch
File name:food.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:6'144 bytes
First seen:2023-02-28 07:26:38 UTC
Last seen:2023-02-28 09:29:59 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 96:HXrVY8dxZQGLL5ccmAGaEAtUlwQ81lCkbFetBzNt:ba8zLNccmMTtUwQ+vbAtD
Threatray 1'930 similar samples on MalwareBazaar
TLSH T18AC1A600F3D84337DDB34B7AA83743611278F3416C9B9F6EA894511B9C163898A73BB4
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)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
212
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
food.exe
Verdict:
Malicious activity
Analysis date:
2023-02-28 07:29:33 UTC
Tags:
formbook xloader trojan stealer
Link:
https://app.any.run/tasks/44494db5-21d4-48eb-9fcc-2c840aaaceae

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/370526/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Reading critical registry keys
Launching cmd.exe command interpreter
Creating a file in the %temp% directory
Searching for synchronization primitives
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63fdacc878212a35b6f3156a/reports/99ebe11d-c962-4aa6-aa44-9d4c10d331b9/overview
Verdict:
Malicious
Labled as:
MSILHeracles.Generic
Link:
https://www.hybrid-analysis.com/sample/c5973940f1f529a71a4729cf5f4a0c7467d5b9b59bd27346c3d1a16309fc0060
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/8ad826d7-1e12-43bf-a791-547562f6b68c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1183966
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected FormBook malware
Encrypted powershell cmdline option found
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: Steal Google chrome login data
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 816830 Sample: food.exe Startdate: 28/02/2023 Architecture: WINDOWS Score: 100 68 www.dswb2b.com 2->68 86 Malicious sample detected (through community Yara rule) 2->86 88 Antivirus detection for URL or domain 2->88 90 Multi AV Scanner detection for submitted file 2->90 92 5 other signatures 2->92 11 food.exe 16 7 2->11         started        signatures3 process4 dnsIp5 72 it-tyumen.ru 87.236.16.236, 443, 49689, 49700 BEGET-ASRU Russian Federation 11->72 62 C:\Users\user\AppData\Roaming\...\Pnasusu.exe, PE32 11->62 dropped 64 C:\Users\user\...\Pnasusu.exe:Zone.Identifier, ASCII 11->64 dropped 66 C:\Users\user\AppData\Local\...\food.exe.log, ASCII 11->66 dropped 122 Encrypted powershell cmdline option found 11->122 124 Tries to detect virtualization through RDTSC time measurements 11->124 126 Injects a PE file into a foreign processes 11->126 16 food.exe 11->16         started        19 powershell.exe 16 11->19         started        file6 signatures7 process8 signatures9 78 Modifies the context of a thread in another process (thread injection) 16->78 80 Maps a DLL or memory area into another process 16->80 82 Sample uses process hollowing technique 16->82 84 Queues an APC in another process (thread injection) 16->84 21 explorer.exe 4 2 16->21 injected 25 conhost.exe 19->25         started        process10 dnsIp11 70 www.firmen-heim.com 21->70 94 System process connects to network (likely due to code injection or exploit) 21->94 27 cmstp.exe 21->27         started        31 Pnasusu.exe 14 4 21->31         started        34 Pnasusu.exe 3 21->34         started        36 3 other processes 21->36 signatures12 process13 dnsIp14 58 C:\Users\user\AppData\...\1P9logrv.ini, data 27->58 dropped 60 C:\Users\user\AppData\...\1P9logri.ini, data 27->60 dropped 104 Detected FormBook malware 27->104 106 Tries to steal Mail credentials (via file / registry access) 27->106 108 Tries to harvest and steal browser information (history, passwords, etc) 27->108 120 2 other signatures 27->120 38 cmd.exe 27->38         started        74 it-tyumen.ru 31->74 110 Multi AV Scanner detection for dropped file 31->110 112 Machine Learning detection for dropped file 31->112 114 Encrypted powershell cmdline option found 31->114 42 Pnasusu.exe 31->42         started        44 powershell.exe 31->44         started        76 it-tyumen.ru 34->76 116 Injects a PE file into a foreign processes 34->116 46 Pnasusu.exe 34->46         started        48 powershell.exe 34->48         started        118 Tries to detect virtualization through RDTSC time measurements 36->118 file15 signatures16 process17 file18 56 C:\Users\user\AppData\Local\Temp\DB1, SQLite 38->56 dropped 96 Tries to harvest and steal browser information (history, passwords, etc) 38->96 50 conhost.exe 38->50         started        98 Modifies the context of a thread in another process (thread injection) 42->98 100 Maps a DLL or memory area into another process 42->100 102 Sample uses process hollowing technique 42->102 52 conhost.exe 44->52         started        54 conhost.exe 48->54         started        signatures19 process20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c5973940f1f529a71a4729cf5f4a0c7467d5b9b59bd27346c3d1a16309fc0060/
Threat name:
ByteCode-MSIL.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-02-28 07:27:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
6 of 39 (15.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ywltsqhr6uu2ogshfhhv6sqmort5lonvtpjhgrwd2gqwgcp4abqa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1a82b5f2c6d3897569544939dfae30457d05924c8811f009d0cd1540319ea90c
Formbook
3a6e455b7bf9570c22e255b87a0929af15322ffcb1936a41f782e4f52fd1de6b
Formbook
3f999fa0a43425869e768d6ca75c3e5a70dd34e475cdd20ee240076c6ed75749
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59d3d0d82273ee3a78483d3508a8247593a06826f8531de8ca072718e6609598
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7724828eb796d8c3310c8af73e9c19ecf37ad1af5ebc0cbd35efc5d4b36f36d2
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b4ae90babbf85fb137c173dbc6a8791c9b40a7d9b32ab70ef81284736c683710
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e8120ddaa86fc56ab083a38b22ca366809e5d1196f3c10175bc745e3dfd15750
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f242e8c01b19e9d76e94575ad13bae62c64395566090f12f796bdc8656b13df4
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f875be79be10a88a9a5c815b0676cbfc58f48e7524f2e4d383b2d7ef63d2e306
Formbook
ff25677389d599682cc411460963f6adbff3879c2f2d3d7239312acfd57f42fe
Formbook
+ 1'920 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:s90a persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/230228-h94beaab53/
Behaviour
Modifies Internet Explorer settings
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Reads user/profile data of web browsers
Formbook payload
Formbook
Unpacked files
SH256 hash:
c5973940f1f529a71a4729cf5f4a0c7467d5b9b59bd27346c3d1a16309fc0060
MD5 hash:
8fcd57b72144dd06291af140390e9579
SHA1 hash:
19bfc5f39e0f56ab104484ef771232d0d727cede
Link:
https://www.unpac.me/results/348ec62b-e9c7-4fd5-bcc6-7f41e78e3d53/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c5973940f1f5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/c5973940f1f529a71a4729cf5f4a0c7467d5b9b59bd27346c3d1a16309fc0060

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:MSIL_TinyDownloader_Generic
Create hunting rule
Author:albertzsigovits
Description:Detects small-sized dotNET downloaders
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 c5973940f1f529a71a4729cf5f4a0c7467d5b9b59bd27346c3d1a16309fc0060

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/370526/

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