MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 10883d2d817a21862f9068a7fbaae0d363e16e64d291a291925ba002e761eff6. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments
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SHA256 hash: 10883d2d817a21862f9068a7fbaae0d363e16e64d291a291925ba002e761eff6
SHA3-384 hash: 2f0f662201ed379257c99cb42314b0685134f087956f996396e37bfdd65c4477995ebfb94ad6697806318aeaf7d24e1e
SHA1 hash: c7756feae3527ee0f0cffb21f3f11098b1bfe83d
MD5 hash: 8b89a7b23313034dcd2a89aae4a8410e
humanhash: steak-batman-wisconsin-white
File name:cjyp4lJXnPQuRwl.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:874'496 bytes
First seen:2023-12-04 08:55:14 UTC
Last seen:2023-12-04 10:33:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:yax+5ijoIBoWMJXaniG/moEZK3PgA1LubSkrqK0wRR0z6JyGAEVIeTDBORSSP/SG:px+5iMS/CoHRub9HRyz
Threatray 520 similar samples on MalwareBazaar
TLSH T1C3059EAC3210B9DFC867CDB6C9942C64EA2034AB571BD203A11709D99A5DBD7CF252F3
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
312
Origin country :
DE DE
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/462263/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.3525.7395.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/656d94240a09154b192764fc/reports/31915a61-252a-456d-9615-4164b87b22c7/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/10883d2d817a21862f9068a7fbaae0d363e16e64d291a291925ba002e761eff6
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/3d28ef47-cb7e-4ad7-9bbd-d3a4c939c8d1
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1352967
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
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 domain / URL
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1352967 Sample: cjyp4lJXnPQuRwl.exe Startdate: 04/12/2023 Architecture: WINDOWS Score: 100 34 www.wne-coinbase.com 2->34 36 www.saucesfoodblog.com 2->36 38 10 other IPs or domains 2->38 42 Snort IDS alert for network traffic 2->42 44 Multi AV Scanner detection for domain / URL 2->44 46 Found malware configuration 2->46 48 11 other signatures 2->48 11 cjyp4lJXnPQuRwl.exe 3 2->11         started        signatures3 process4 signatures5 56 Detected unpacking (changes PE section rights) 11->56 58 Detected unpacking (overwrites its own PE header) 11->58 60 Tries to detect virtualization through RDTSC time measurements 11->60 62 Injects a PE file into a foreign processes 11->62 14 cjyp4lJXnPQuRwl.exe 11->14         started        process6 signatures7 64 Modifies the context of a thread in another process (thread injection) 14->64 66 Maps a DLL or memory area into another process 14->66 68 Sample uses process hollowing technique 14->68 70 Queues an APC in another process (thread injection) 14->70 17 explorer.exe 6 1 14->17 injected process8 dnsIp9 28 www.golcondatowing.top 91.195.240.123, 49724, 80 SEDO-ASDE Germany 17->28 30 www.fai.ovh 144.217.153.176, 49726, 80 OVHFR Canada 17->30 32 3 other IPs or domains 17->32 40 System process connects to network (likely due to code injection or exploit) 17->40 21 rundll32.exe 17->21         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/10883d2d817a21862f9068a7fbaae0d363e16e64d291a291925ba002e761eff6
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/10883d2d817a21862f9068a7fbaae0d363e16e64d291a291925ba002e761eff6/
Threat name:
Win32.Trojan.Generic
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Status:
Malicious
First seen:
2023-12-01 11:34:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
19 of 37 (51.35%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cced2lmbpiqyml4qnct7xkxa2nr6c3te2ki2femsloqafz3b573a._file
Verdict:
malicious
Label(s):
formbook
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agenttesla
Create hunting rule
Similar samples:
024aa4a117fa7c5952577b1e904510e09c0e048a7bfaf320fcbdb4f309c41ba5
Formbook
0372bd9c40187e5b4df86dae74c475d5f7b01de4424281dda221a579be971fb8
Formbook
0b97c43d0eb22c21c8c4be37b6b45a1fd2acc9aa8c2a30012a06c2a0fb23a1f2
Formbook
4a5e90afb12bf96e61a233f2824975d529c72b5ade2261f59ac8f5a0e1e242ec
Formbook
4e0083ec0b7eac1f6a517e47fc77f8aa0fe7229dc4f8ad8dc42c170ebc2dd2c1
Formbook
5a014c96f5a3582782e8f58c0eecaea1939d0fa531a7937f7c1b9a89f53333be
Formbook
6a14e79be0398899cfc53dc234f9e51f13705afe8b2cf15c404923bb6706ea09
Formbook
9d0c10331d40a7cbeda5f8e93f7314ff0930b7e0338bcd113de8392c0e09091d
Formbook
e6ad0e54bdd3ceb24a7139747c35bb9e9b2d5a8208b677562b87be8745033d7d
Formbook
+ 510 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:uh23 rat spyware stealer trojan
Link:
https://tria.ge/reports/231204-kv1m3saa89/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
692e04be13ed65ac3644f244585cd4f2a96453beb71095a3f3e99b03e3733c69
MD5 hash:
59e894fc4208d84dfe99740f40f15a6a
SHA1 hash:
00645401d717ec67f0f3edae06c0ff41c48e187b
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/743f0962-f29d-4065-a27f-aff0bd6c3d08/
Parent samples :
e6ad0e54bdd3ceb24a7139747c35bb9e9b2d5a8208b677562b87be8745033d7d
10883d2d817a21862f9068a7fbaae0d363e16e64d291a291925ba002e761eff6
33ff334a0bf2e8a1e899ff47a87edf30e6e8ebf05ce6fc5a1d6e7a7b5bd672df
cc3e1fee438ef0fe104afcc8ac66f930074302f67f1b99995b2d526575ddc098
58cf43979e8150866dfe602dee0b54283750164dc9b176996765e4d84637d689
c8d59b8da8897c734505e6464da594ecfc745ca1ee00a8d0c536646baee2f84d
9d833b4a66beca22dcee2a030ffa0ff1a9c72eba3f9ee50eb412f56806915f87
SH256 hash:
bc99dcc182eaf17394c34611c1aef4ad45c3079ae116c19caa17620d64c39f7c
MD5 hash:
84fe0cc42b4f30e7b6f58c92f9ad3d56
SHA1 hash:
d753cc7cc8e2927f9cde57fb67b5bceebd2f5fd2
Link:
https://www.unpac.me/results/743f0962-f29d-4065-a27f-aff0bd6c3d08/
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/743f0962-f29d-4065-a27f-aff0bd6c3d08/
SH256 hash:
fddcedddda36c2ac3e1da9d54c9284e890d9ffa07c5a42d27bfd2c5a13a1ca5a
MD5 hash:
963c7ce94e724e1039d55b91bfe406d9
SHA1 hash:
a8729dfc636af73f18049db7a29bb4ff9c30123b
Link:
https://www.unpac.me/results/743f0962-f29d-4065-a27f-aff0bd6c3d08/
SH256 hash:
0e8a5f6bd3e915b9d2fae9428730dc5017348d23b622bccbb1971e352052734b
MD5 hash:
56feb04fdc8b0453c62267ac204ed555
SHA1 hash:
7d41fb41cac90bea85cb6691a5945568115cbcbf
Link:
https://www.unpac.me/results/743f0962-f29d-4065-a27f-aff0bd6c3d08/
SH256 hash:
10883d2d817a21862f9068a7fbaae0d363e16e64d291a291925ba002e761eff6
MD5 hash:
8b89a7b23313034dcd2a89aae4a8410e
SHA1 hash:
c7756feae3527ee0f0cffb21f3f11098b1bfe83d
Link:
https://www.unpac.me/results/743f0962-f29d-4065-a27f-aff0bd6c3d08/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/10883d2d817a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/10883d2d817a21862f9068a7fbaae0d363e16e64d291a291925ba002e761eff6

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:NET
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Author:malware-lu
Rule name:NETexecutableMicrosoft
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Author:malware-lu
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 10883d2d817a21862f9068a7fbaae0d363e16e64d291a291925ba002e761eff6

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/462263/

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