MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b0aaf5604a6ce5862163169095dfd26f4301e47e14c9e133415a924c601e5ce. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4b0aaf5604a6ce5862163169095dfd26f4301e47e14c9e133415a924c601e5ce
SHA3-384 hash: 2670324ce4fef5d6b532e6270271a5870635a764f4c07d854f194dfced501202b28dcaf99d87018d0af49721cf31fde0
SHA1 hash: ba12caa16a976220bed59725d491d5a83ef2fbba
MD5 hash: 3648eee3f0f24aa64039a4a50112fe84
humanhash: mirror-oklahoma-rugby-equal
File name:3648eee3f0f24aa64039a4a50112fe84.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'028'096 bytes
First seen:2021-12-10 08:44:15 UTC
Last seen:2021-12-10 11:20:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:OtBdxlTWespmgT5489PR21EW3vGR2DE+gQ82zjim7ZN96tGG:OVxZWedKn5DIvGCyZKim7ZNstGG
TLSH T1D825235633B617A1D6384BFE64A0982583B1B13A7C73EB0F2D9124DE25B6F514E80F93
File icon (PE):PE icon
dhash icon b3b3333969693b3b (69 x Formbook, 63 x AgentTesla, 26 x Loki)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
153
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3648eee3f0f24aa64039a4a50112fe84.exe
Verdict:
Malicious activity
Analysis date:
2021-12-10 08:45:16 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ba087918-99e6-4b80-8c9e-fcea0e27ee63

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/213092/
Detection(s):
SecuriteInfo.com.Trojan.MulDrop19.13895.1965.8905.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed
Link:
https://www.filescan.io/uploads/61b31391fa72c81b5b15f39e/reports/b420eb39-9829-4636-aefe-a6cd9a32a158/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/603e6279-093a-4923-b399-5e7b8db00768
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/905170
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
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
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: 537645 Sample: ndeCEHPD35.exe Startdate: 10/12/2021 Architecture: WINDOWS Score: 100 32 Found malware configuration 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 5 other signatures 2->38 10 ndeCEHPD35.exe 3 2->10         started        process3 file4 30 C:\Users\user\AppData\...\ndeCEHPD35.exe.log, ASCII 10->30 dropped 48 Tries to detect virtualization through RDTSC time measurements 10->48 14 ndeCEHPD35.exe 10->14         started        signatures5 process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 14->50 52 Maps a DLL or memory area into another process 14->52 54 Sample uses process hollowing technique 14->54 56 Queues an APC in another process (thread injection) 14->56 17 explorer.exe 14->17 injected process8 process9 19 explorer.exe 17->19         started        signatures10 40 Self deletion via cmd delete 19->40 42 Modifies the context of a thread in another process (thread injection) 19->42 44 Maps a DLL or memory area into another process 19->44 46 Tries to detect virtualization through RDTSC time measurements 19->46 22 cmd.exe 1 19->22         started        24 explorer.exe 1 140 19->24         started        26 explorer.exe 119 19->26         started        process11 process12 28 conhost.exe 22->28         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/4b0aaf5604a6ce5862163169095dfd26f4301e47e14c9e133415a924c601e5ce/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-12-10 08:45:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:cfn8 loader rat
Link:
https://tria.ge/reports/211210-knqvasfhd2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.qqsmt02.com/cfn8/
Unpacked files
SH256 hash:
66fc1d5f75c7bdb200d16be5c245a78ae0ba14ef8e3638ba824bc43836769396
MD5 hash:
0cacc48a16d5764766dbbaa80985e357
SHA1 hash:
f557ca8e58e95a1012d3736a31f0b0378e1424b7
Detections:
win_formbook_g0
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win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/810be4de-97ec-4ad6-a366-ce5d2ed31a17/
Parent samples :
2021c1d6e9983c17fea9c773618a95407628b9c7b58071edea71c8525cd17d7e
00f38651e028591175cc482289f6ceabfed9592b7176a24d8f00999ebb0bf996
fa6e94c900dc4d280b9748242d5f06a5030bb15c5e2ea7a4527e6987ab14d67c
74a85ed80a3222cb8b97be0909787ba21cb93676db84c2fd33c2a612bd427874
4b0aaf5604a6ce5862163169095dfd26f4301e47e14c9e133415a924c601e5ce
8e1582ef41bfd2b7b11f0300618807eb95cd40bb63927fc4d178e460d6e244ff
SH256 hash:
9cd82dba6c55d901ac7d7007b7a04a30146ad7c297400d44f9d96b90c5ca25d4
MD5 hash:
d9477c36da677507cd33c6eef325d694
SHA1 hash:
330dc88b5041ca9edf57542f5a30c37eef6f11b1
Link:
https://www.unpac.me/results/810be4de-97ec-4ad6-a366-ce5d2ed31a17/
SH256 hash:
37423ff4c448039f4cf1252cbe9ad7a793549d00a4c87acff3304451715c04fc
MD5 hash:
049be91aba79869d75e2f69a447288b8
SHA1 hash:
21840d0e9177b8801d2f582cb987b0cc53737ab7
Link:
https://www.unpac.me/results/810be4de-97ec-4ad6-a366-ce5d2ed31a17/
SH256 hash:
4b0aaf5604a6ce5862163169095dfd26f4301e47e14c9e133415a924c601e5ce
MD5 hash:
3648eee3f0f24aa64039a4a50112fe84
SHA1 hash:
ba12caa16a976220bed59725d491d5a83ef2fbba
Link:
https://www.unpac.me/results/810be4de-97ec-4ad6-a366-ce5d2ed31a17/
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/4b0aaf5604a6ce5862163169095dfd26f4301e47e14c9e133415a924c601e5ce

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: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.

Web download

Formbook

Executable exe 4b0aaf5604a6ce5862163169095dfd26f4301e47e14c9e133415a924c601e5ce

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/213092/
  
URLhaus
https://urlhaus.abuse.ch/url/1863440/
  
Delivery method
Distributed via web download

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