MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f448dfefcbd40ad805030d90957598cf16c67ace42cf1107fa95f041f78883f2. 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 1 File information Comments
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SHA256 hash: f448dfefcbd40ad805030d90957598cf16c67ace42cf1107fa95f041f78883f2
SHA3-384 hash: 6778104f3c595fcb001235130e880bdd50aa35d6f724cc8e959dacccd2784902d035f58d77aeb1dd2b5db9a879c786b4
SHA1 hash: 6a1c8b38e0f06377a870f75512d64227ed9224bf
MD5 hash: 078a77dbb799897552d8d6a106ce2fd3
humanhash: failed-connecticut-zulu-spaghetti
File name:jetss432167.exe
Download: download sample
Signature Formbook
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File size:429'923 bytes
First seen:2022-10-13 12:41:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (720 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 6144:YbE/HUcl0KEU8KD5R9bq9eiewho5hWlShE/g4hEFmouobVW:Ybc0bC/wmhWl0EvmQXobVW
TLSH T1E194A1D8998AC052CA3D0D38CF59CBD62353AA12041F397A6DFC2686167DDA7D4CA3CD
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f0f4e06969e8ccf0 (5 x Formbook, 1 x CobianRAT, 1 x VectorStealer)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
212
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/319944/
Detection(s):
SecuriteInfo.com.Variant.Fugrafa.266279.14728.1330.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Sending a custom TCP request
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/42944/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6348079baab5b3e31a6b025e/reports/d03df32c-c3b6-41ec-abf1-d45a67748a17/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/40fb3227-7c00-4082-8a4f-ba49dae87519
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1089827
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found hidden mapped module (file has been removed from disk)
Machine Learning detection for dropped file
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 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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 722439 Sample: jetss432167.exe Startdate: 13/10/2022 Architecture: WINDOWS Score: 100 48 Snort IDS alert for network traffic 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus detection for URL or domain 2->52 54 5 other signatures 2->54 10 jetss432167.exe 18 2->10         started        process3 file4 30 C:\Users\user\AppData\Local\...\uigtaob.exe, PE32 10->30 dropped 13 uigtaob.exe 1 10->13         started        process5 file6 32 C:\Users\user\AppData\Local\Temp\DEE6.tmp, PE32 13->32 dropped 64 Machine Learning detection for dropped file 13->64 66 Found hidden mapped module (file has been removed from disk) 13->66 68 Tries to detect virtualization through RDTSC time measurements 13->68 17 uigtaob.exe 13->17         started        signatures7 process8 signatures9 40 Modifies the context of a thread in another process (thread injection) 17->40 42 Maps a DLL or memory area into another process 17->42 44 Sample uses process hollowing technique 17->44 46 Queues an APC in another process (thread injection) 17->46 20 rundll32.exe 17->20         started        23 explorer.exe 17->23 injected process10 dnsIp11 56 Modifies the context of a thread in another process (thread injection) 20->56 58 Maps a DLL or memory area into another process 20->58 60 Tries to detect virtualization through RDTSC time measurements 20->60 26 cmd.exe 1 20->26         started        34 tunneldutransit.com 185.98.131.156, 49703, 80 RMI-FITECHFR France 23->34 36 198.54.117.212, 49706, 80 NAMECHEAP-NETUS United States 23->36 38 10 other IPs or domains 23->38 62 System process connects to network (likely due to code injection or exploit) 23->62 signatures12 process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/f448dfefcbd40ad805030d90957598cf16c67ace42cf1107fa95f041f78883f2/
Threat name:
Win32.Trojan.Leonem
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Status:
Malicious
First seen:
2022-10-13 12:19:38 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6ren736l2qfnqbidbwijk5myz4lmm6woilhrcb72sxyed54iqpza._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:je14 rat spyware stealer trojan
Link:
https://tria.ge/reports/221013-pxcfgsecd8/
Behaviour
Enumerates system info in registry
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
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Unpacked files
SH256 hash:
823a68456ee4d5d2f1b0f1aa09f1315f93258abf6f7afcc061759e29597e9fd9
MD5 hash:
a39a8df87966e6758325be25896e9041
SHA1 hash:
78c9b0cb38956c0543b3347cbd049c745e99aeb7
Detections:
FormBook
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win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/5d574545-8ab6-4343-94a5-84dd8dd124cb/
Parent samples :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 hash:
2ddbf3bb253d7970bab0adea89c724a0d15d5e8d11199e65e9cad959666210de
MD5 hash:
78612b7312c1194e5fd5753dc8adb61e
SHA1 hash:
7b5dff4b94c1628821755bfcc7580800599be516
Link:
https://www.unpac.me/results/5d574545-8ab6-4343-94a5-84dd8dd124cb/
SH256 hash:
f448dfefcbd40ad805030d90957598cf16c67ace42cf1107fa95f041f78883f2
MD5 hash:
078a77dbb799897552d8d6a106ce2fd3
SHA1 hash:
6a1c8b38e0f06377a870f75512d64227ed9224bf
Link:
https://www.unpac.me/results/5d574545-8ab6-4343-94a5-84dd8dd124cb/
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/f448dfefcbd40ad805030d90957598cf16c67ace42cf1107fa95f041f78883f2

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:meth_get_eip
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Author:Willi Ballenthin

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe f448dfefcbd40ad805030d90957598cf16c67ace42cf1107fa95f041f78883f2

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/319944/

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