MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 178290b5c5120a28e46d4990489739f35a287ac7e716cfae4ccec002d0c6177b. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 178290b5c5120a28e46d4990489739f35a287ac7e716cfae4ccec002d0c6177b
SHA3-384 hash: f4ad0858f5e7af26e5cea184767f93c8ee2924fa41852b2d4d17f6d1f5febf1b809e03341baabda8a35981597cec27ab
SHA1 hash: 054ef0249fb9772be2e307291e220b7fb53a05bc
MD5 hash: 1836fc11495367a5604e30b0847799f0
humanhash: finch-finch-hotel-edward
File name:SIPARIS.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:895'488 bytes
First seen:2022-06-21 10:56:26 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 24576:AU9C+vW4eKuS8e3EwpWoNQJE33H56IkFueoGtC:AU1vWI8HJVJaZBsoGtC
TLSH T18B158D6E17846CC6DCA55F3A91F307D6612AAB70A45F8B0F025664FE0B2F8C83F60D95
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 b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
238
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/281955/
Detection(s):
Win.Trojan.EmbeddedDotNetBinary-9940868-0
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Win.Trojan.EmbeddedReversedDLL-9940922-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Searching for synchronization primitives
Сreating synchronization primitives
Launching cmd.exe command interpreter
Reading critical registry keys
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62b1a4193c1286f07354891f/reports/22071f6d-4a18-45ae-9982-fcba981826bf/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/492474ac-d3fb-4826-993c-594370068484
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1017084
Signature
.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
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
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/178290b5c5120a28e46d4990489739f35a287ac7e716cfae4ccec002d0c6177b/
Threat name:
ByteCode-MSIL.Downloader.Seraph
Create hunting rule
Status:
Malicious
First seen:
2022-06-21 10:26:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
23 of 26 (88.46%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=c6bjbnofcifcrzdnjgierfzz6nncq6wh44lm7lsmz3aafuggc55q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:d23n rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220621-m188hsdbal/
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 WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
0466e3a40ccdf42cbb1de109aa3e0aee3f2cc910be1da3198d9cddd1b5783358
MD5 hash:
2205b8448fef03808d29327e94a4c5f5
SHA1 hash:
d9f6b0a71e0312da2033a613546f68b183b5d196
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/ddccf6ad-6508-4c3a-9903-5a2bf250e21d/
Parent samples :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 hash:
9f01d9f2ed07e630ec078efa5d760762c3c8ad3b06e9e8a9062a37d63d57b026
MD5 hash:
9fbb8cec55b2115c00c0ba386c37ce62
SHA1 hash:
e2378a1c22c35e40fd1c3e19066de4e33b50f24a
Link:
https://www.unpac.me/results/ddccf6ad-6508-4c3a-9903-5a2bf250e21d/
SH256 hash:
22ddfd98333ac29ceb3076aa5e46a6ead80139f8a524bce6920057d21aae993a
MD5 hash:
c0dddaf0e419b4a7b4b61ce8c43fcb90
SHA1 hash:
3f89c422a8620ab7b56f0dbd699d14bca5135877
Link:
https://www.unpac.me/results/ddccf6ad-6508-4c3a-9903-5a2bf250e21d/
SH256 hash:
178290b5c5120a28e46d4990489739f35a287ac7e716cfae4ccec002d0c6177b
MD5 hash:
1836fc11495367a5604e30b0847799f0
SHA1 hash:
054ef0249fb9772be2e307291e220b7fb53a05bc
Link:
https://www.unpac.me/results/ddccf6ad-6508-4c3a-9903-5a2bf250e21d/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/178290b5c512/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/178290b5c5120a28e46d4990489739f35a287ac7e716cfae4ccec002d0c6177b

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:exploit_any_poppopret
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Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:malware_Formbook_strings
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Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Typical_Malware_String_Transforms
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Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Malspam

Formbook

Executable exe 178290b5c5120a28e46d4990489739f35a287ac7e716cfae4ccec002d0c6177b

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/281955/

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