MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 25f2b36dc8b2fb7c4d2694c9d4293de356f39d61732414be8b87e772aadcb30d. 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 2 File information Comments
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SHA256 hash: 25f2b36dc8b2fb7c4d2694c9d4293de356f39d61732414be8b87e772aadcb30d
SHA3-384 hash: 8ca843e0e78c0f13dabddcc6fdab11fe5639d2efbd39b3480f03f4446d5ce98e236ceb01fdfa243ae35bcf60b3b91abd
SHA1 hash: dc59d88d191b1520cf57d989cd7a8c502cf6e75b
MD5 hash: aa6ea90191a6020cd3c2e17add3dd7fc
humanhash: white-beryllium-one-fruit
File name:UoiRTdCpIfgMI8G.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:742'912 bytes
First seen:2023-02-16 13:01:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:CqzGPvqrNFMf8Dt0bV7w4gnRSDON0psIIx8xzPalcqFNB+zkyWC1n3bWqDSugDsM:g6NFuV7NgR9Iw8xnc7+zkyWCxSqDSu
TLSH T1FBF49C8C84F1EA3EEA898EBD371436081FE059432A72C5F1E3E9F6C15B36263595C635
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter cocaman
Tags:exe FormBook Shipping

Intelligence

File Origin
# of uploads :
1
# of downloads :
213
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
UoiRTdCpIfgMI8G.exe
Verdict:
Malicious activity
Analysis date:
2023-02-16 13:07:15 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/b2011eff-47fa-44b2-afa2-403afa2f50f3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/367221/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1842.28864.27470.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63ee294e108162e31cca716b/reports/b7dddb9d-db47-426a-91ae-59bcf34533cb/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/25f2b36dc8b2fb7c4d2694c9d4293de356f39d61732414be8b87e772aadcb30d
Result
Verdict:
UNKNOWN
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/48ffe447-4e6c-47af-b5df-44f82e1dae7a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1177455
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
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 dnsIp2 2 Behavior Graph ID: 810277 Sample: UoiRTdCpIfgMI8G.exe Startdate: 17/02/2023 Architecture: WINDOWS Score: 100 33 www.pyataykin.com 2->33 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 4 other signatures 2->47 11 UoiRTdCpIfgMI8G.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\...\UoiRTdCpIfgMI8G.exe.log, ASCII 11->31 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 15 UoiRTdCpIfgMI8G.exe 11->15         started        18 UoiRTdCpIfgMI8G.exe 11->18         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 20 explorer.exe 1 1 15->20 injected process9 dnsIp10 35 www.disc-short.online 185.104.28.238, 49705, 80 AS-ZXCSNL Netherlands 20->35 37 www.beaconsquarestudios.com 20->37 39 beaconsquarestudios.com 34.102.136.180, 49707, 80 GOOGLEUS United States 20->39 49 System process connects to network (likely due to code injection or exploit) 20->49 24 cmd.exe 20->24         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 24->51 53 Maps a DLL or memory area into another process 24->53 55 Tries to detect virtualization through RDTSC time measurements 24->55 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/25f2b36dc8b2fb7c4d2694c9d4293de356f39d61732414be8b87e772aadcb30d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2023-02-16 09:31:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
21 of 25 (84.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=exzlg3oiwl5xytjgste5ikj54nlphhlbomsbjpulq7txfkw4wmgq._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:oe26 rat spyware stealer trojan
Link:
https://tria.ge/reports/230216-p9scgahc21/
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
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
7ea8f7a86053aa0e67421c137d4347e118ab6a3999acd9fa1290b4b34f0893e9
MD5 hash:
358013218173956a9466d09de4de343e
SHA1 hash:
2e78f7be86e22ff76ac78d875eb606554ee257df
Detections:
FormBook
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win_formbook_w0
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win_formbook_auto
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win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/fb537c54-809f-4cf2-83f6-77e78eab077c/
SH256 hash:
6c45c662ac911f7c8ae43cf1722fb77c66f8c30f428c7506f7e0c5db8db58c8b
MD5 hash:
d1837db1bca688e70c2fa460d81a9424
SHA1 hash:
6aa16a03ce207f6304797cace217085244e36c9d
Link:
https://www.unpac.me/results/fb537c54-809f-4cf2-83f6-77e78eab077c/
SH256 hash:
c12d2628d984c0b8071e1daa76812d8eae5cd9a18dd99eac444ba00d38977501
MD5 hash:
ec47f2cc8cb2264f192660aa1c81f96d
SHA1 hash:
50b322aa2022e5570911ceb2ca39aeaeca91e540
Link:
https://www.unpac.me/results/fb537c54-809f-4cf2-83f6-77e78eab077c/
SH256 hash:
8040c46af74ab637df2cde7f6cf8ff5e78aa756a5d22029e16ec0ca4f6b0781c
MD5 hash:
eb529d9a49708bce077b40229dc0463c
SHA1 hash:
4ecf98b0b15f83f9062c0f4ccc69c38b7de645eb
Link:
https://www.unpac.me/results/fb537c54-809f-4cf2-83f6-77e78eab077c/
SH256 hash:
8617cea503c2a3961120a9c503d853bc21d38d1fca7143d6b1ef4f388bc5cec7
MD5 hash:
7f225c69df031bf0560aed3847a1221a
SHA1 hash:
4d5f3ccdb2c6015d2b2a73326c0f32b173af2819
Link:
https://www.unpac.me/results/fb537c54-809f-4cf2-83f6-77e78eab077c/
SH256 hash:
25f2b36dc8b2fb7c4d2694c9d4293de356f39d61732414be8b87e772aadcb30d
MD5 hash:
aa6ea90191a6020cd3c2e17add3dd7fc
SHA1 hash:
dc59d88d191b1520cf57d989cd7a8c502cf6e75b
Link:
https://www.unpac.me/results/fb537c54-809f-4cf2-83f6-77e78eab077c/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/25f2b36dc8b2/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/25f2b36dc8b2fb7c4d2694c9d4293de356f39d61732414be8b87e772aadcb30d

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
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Rule name:Skystars_Malware_Imphash
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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

zip 26fe61ca673b99be823d74c29a2d414b6198d40d9bacc08411f3d7fa548186ec

Formbook

Executable exe 25f2b36dc8b2fb7c4d2694c9d4293de356f39d61732414be8b87e772aadcb30d

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 26fe61ca673b99be823d74c29a2d414b6198d40d9bacc08411f3d7fa548186ec
Cape
Cape
https://www.capesandbox.com/analysis/367221/
  
Dropped by
MD5 0844ebc5c80331bf9d7e7ba862497532

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