MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ceaf0ea39f77d80e847f9cd525bc10747207eb16c5b778ac9cd0f883383adf16. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ceaf0ea39f77d80e847f9cd525bc10747207eb16c5b778ac9cd0f883383adf16
SHA3-384 hash: 4044296af436a709ebf66bb3c90a8082f0ce03a2d7fddabd4f7b9916580031bf677a8e4245786bd7d906746ce4b2cd94
SHA1 hash: bffc8201a79d49566ee20136a29e85882481abe4
MD5 hash: 69e9ee1796550737d7d7a5450214cca8
humanhash: west-freddie-cup-yankee
File name:UST84791.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:574'464 bytes
First seen:2022-05-15 21:16:20 UTC
Last seen:Never
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:pNgfJfb8E100fZonsalSWDrP20SK14w+nVmoLJ8sI1rkn:pNghf/10cyI0SK145n4OJ0kn
Threatray 15'463 similar samples on MalwareBazaar
TLSH T166C4F0CAF98052A1DC2C43366576D93022733CBE9470EA1C2DDE3CA73EBB7929511993
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% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon d4c4c4d8ccd4f0c4 (63 x Formbook, 23 x AgentTesla, 8 x RemcosRAT)
Reporter TeamDreier
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
226
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ceaf0ea39f77d80e847f9cd525bc10747207eb16c5b778ac9cd0f883383adf16.exe
Verdict:
Malicious activity
Analysis date:
2022-05-15 21:27:34 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/042d9450-75da-4637-87cf-79a27c820242

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/270849/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/62816e310076642c594f882d/reports/c854bca2-a0dc-49ad-8964-ac9f90878621/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ec5a602c-f3a3-4e0e-940c-b9e80ecd42d1
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/994426
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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)
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
Self deletion via cmd delete
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 detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 626919 Sample: UST84791.exe Startdate: 15/05/2022 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 9 other signatures 2->44 10 UST84791.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\...\UST84791.exe.log, ASCII 10->30 dropped 56 Tries to detect virtualization through RDTSC time measurements 10->56 58 Injects a PE file into a foreign processes 10->58 14 UST84791.exe 10->14         started        17 UST84791.exe 10->17         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 19 explorer.exe 14->19 injected process8 dnsIp9 32 www.healthredlight.com 195.149.84.100, 49762, 80 WORLD-NEWSGR United Kingdom 19->32 34 www.brilliantfranchiseawmarine.com 81.17.29.146, 49839, 80 PLI-ASCH Switzerland 19->34 36 7 other IPs or domains 19->36 46 System process connects to network (likely due to code injection or exploit) 19->46 23 rundll32.exe 19->23         started        signatures10 process11 signatures12 48 Self deletion via cmd delete 23->48 50 Modifies the context of a thread in another process (thread injection) 23->50 52 Maps a DLL or memory area into another process 23->52 54 Tries to detect virtualization through RDTSC time measurements 23->54 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ceaf0ea39f77d80e847f9cd525bc10747207eb16c5b778ac9cd0f883383adf16/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-05-09 01:05:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=z2xq5i47o7ma5bd7ttkslpaqorzap2ywyw3xrle42d4igob234la._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
56682c4820125acfcfc901b7c478b4f3925ad0bd8cba76a43c4189c230288543
Formbook
87945ecb2a81ea654a98c72800f03a4202873f30f58212cdec3d6d577be04d4d
Formbook
98555514bbd11ff97bc555c553087b857314f4da0488e2235080651ee71a0f0f
Formbook
a9915e261e819e5388755f6e20a93b55c096eb7b81b930c7212a77be734a97b2
Formbook
b8d4ae77768d8215b18cec06a4d0266caa302ef62715cc16e0c521cf8a90b686
Formbook
beab53a78651513011c1b0374269a4a282a995650cb9bc7063ae999628e578a2
Formbook
d18ee31980399f171c8219a6d14ad83f3d61017f8d14e44c6f3f3bd067eccdf7
Formbook
e7962cdd23b186bb033234ee3275fef94db2650f2a15fd78b25c8a2662effc80
Formbook
f6acdf84ba27d835f11aaeaf29f71eab77a592fb6fea7a06d76bcd1d9228171c
Formbook
+ 15'453 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:mw06 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220515-z413jaffc5/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
53721928004973ee33533fcc41ed1803606ec8fd60de1fdf91dcc34b425163c0
MD5 hash:
307412c715aa273e1bbded8a00885759
SHA1 hash:
d6a48e96043f80e978df663b1d71201ba7fcdaa6
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/6fcf807c-b3d8-4894-a613-d1a9ddea2328/
Parent samples :
dfc0ab6c112746d539f78d2db06430e4058584c6c54951c4420d1c98f32d11d7
5f178e8ceb1e7a58d15110f4f376823069242ee2916a3d30782a14c1dda44cbe
ceaf0ea39f77d80e847f9cd525bc10747207eb16c5b778ac9cd0f883383adf16
8d2724f8e0a2404192bc667807968f1d7f2231c86757627e5ebc028f211eefd5
57741d0850f843f431770f336b440f60810cd5558f315de28a54782fab0b3801
6017c6dd8da77a97fcb9ab18cc38dbe1eb5ea008643bbc02dbca1fec004f20fd
SH256 hash:
417fbf6ee0491d2b11145ec9e3f64a7231de4d86c151d38c9b6b8eed0912b98e
MD5 hash:
e6417e4f40bf0980689a4b794a793ce2
SHA1 hash:
b6ed944ac449a6102fb5badf4eae34f37054565a
Link:
https://www.unpac.me/results/6fcf807c-b3d8-4894-a613-d1a9ddea2328/
SH256 hash:
4f6fe695596cdf459507e6a4ca71dd4b1dff79db00faf3329b91867a4d67868a
MD5 hash:
cc078bf36a021d25a3243d9125c70ac3
SHA1 hash:
76f85a98cbbc3f0c6c4a10e129ad70283de37d9c
Link:
https://www.unpac.me/results/6fcf807c-b3d8-4894-a613-d1a9ddea2328/
SH256 hash:
f2ee07c9b136d6baaff9cd2ec88138659623737b391d4036d661c58dbdecaf10
MD5 hash:
14cfcb8763ce2829d9f65e9f2776184e
SHA1 hash:
7253345a33ba605b1dcf48c2b5cc98c6c9ccaeb9
Link:
https://www.unpac.me/results/6fcf807c-b3d8-4894-a613-d1a9ddea2328/
SH256 hash:
ceaf0ea39f77d80e847f9cd525bc10747207eb16c5b778ac9cd0f883383adf16
MD5 hash:
69e9ee1796550737d7d7a5450214cca8
SHA1 hash:
bffc8201a79d49566ee20136a29e85882481abe4
Link:
https://www.unpac.me/results/6fcf807c-b3d8-4894-a613-d1a9ddea2328/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/ceaf0ea39f77d80e847f9cd525bc10747207eb16c5b778ac9cd0f883383adf16

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.

Malspam

Formbook

Executable exe ceaf0ea39f77d80e847f9cd525bc10747207eb16c5b778ac9cd0f883383adf16

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/270849/

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