MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 50a9cc4decaf32975996710740956b5a9c4985c50ded5a2bb8611945263af65a. 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: 50a9cc4decaf32975996710740956b5a9c4985c50ded5a2bb8611945263af65a
SHA3-384 hash: 57614325ad5c46bb6c1f797620ba7bcdbd5467109d5d0d719848fdcb5f3d90121a46736bd1882529ec29ef9913a33da0
SHA1 hash: 1bce59e7afb303e0c170cb8f6fdb5a1806e41eda
MD5 hash: 1218da9d299571a80c774838d2a55516
humanhash: north-high-alpha-double
File name:dekont.exe
Download: download sample
Signature Formbook
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File size:275'573 bytes
First seen:2022-04-14 05:46:27 UTC
Last seen:2022-04-14 06:53:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3abe302b6d9a1256e6a915429af4ffd2 (271 x GuLoader, 38 x Formbook, 25 x Loki)
ssdeep 6144:zjgaaokJPQk3f8I9/carsaI2g1qomZbLOSINl/D+1hUHSyW:otouv99/carxI2gAblIHD+1hpyW
Threatray 14'968 similar samples on MalwareBazaar
TLSH T1AC441291A281E4FFE0AF87322FBA8191D175510507B5129BF7B15BBF7C305E2C82A5CA
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook geo TUR

Intelligence

File Origin
# of uploads :
2
# of downloads :
309
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
dekont.exe
Verdict:
Malicious activity
Analysis date:
2022-04-14 06:09:06 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/0180cf13-7378-459c-be9a-f285a05b83a8

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/263567/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.50125522.25638.8782.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Reading critical registry keys
DNS request
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/13808/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6257b557482f2f41caabf719/reports/ba982e3e-6d96-4dff-8a76-2e2ab7b9264b/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/125948eb-803e-43ee-8664-e78c6dc6362c
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/976634
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found 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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 609121 Sample: dekont.exe Startdate: 14/04/2022 Architecture: WINDOWS Score: 100 36 www.papierle.com 2->36 38 www.maintainaviation.com 2->38 40 8 other IPs or domains 2->40 56 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->56 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 5 other signatures 2->62 12 dekont.exe 18 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\Local\...\nuavxkimr.exe, PE32 12->34 dropped 15 nuavxkimr.exe 1 12->15         started        process6 signatures7 74 Multi AV Scanner detection for dropped file 15->74 76 Tries to detect virtualization through RDTSC time measurements 15->76 18 nuavxkimr.exe 15->18         started        21 conhost.exe 15->21         started        process8 signatures9 48 Modifies the context of a thread in another process (thread injection) 18->48 50 Maps a DLL or memory area into another process 18->50 52 Sample uses process hollowing technique 18->52 54 Queues an APC in another process (thread injection) 18->54 23 explorer.exe 18->23 injected process10 dnsIp11 42 www.lorticepttoyof6.xyz 150.95.255.38, 49798, 80 INTERQGMOInternetIncJP Japan 23->42 44 www.aomendc.xyz 192.161.63.139, 49800, 80 ASN-QUADRANET-GLOBALUS United States 23->44 46 7 other IPs or domains 23->46 64 System process connects to network (likely due to code injection or exploit) 23->64 66 Performs DNS queries to domains with low reputation 23->66 27 explorer.exe 23->27         started        signatures12 process13 signatures14 68 Modifies the context of a thread in another process (thread injection) 27->68 70 Maps a DLL or memory area into another process 27->70 72 Tries to detect virtualization through RDTSC time measurements 27->72 30 cmd.exe 1 27->30         started        process15 process16 32 conhost.exe 30->32         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/50a9cc4decaf32975996710740956b5a9c4985c50ded5a2bb8611945263af65a/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2022-04-13 06:37:28 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kcu4ytpmv4zjowmwoedubflllkoetbofbxwvuk5ymemukjr26zna._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
05af1ccc6696a83c58e46a5347b40959329af79869e9747399befbe97c85104b
Formbook
0da36b7f7e4b44b640ab5769532fdd7599032ca2b1d6b57807ba48ad1fa76780
Formbook
58f65684890c1ec3e63d010defd5f3c48f963865d2fa1d468d5a5f44b7026164
Formbook
75362f20dab8d57db3ade6427e647b0bc01d8345ccfa9781d5778877f04f7fb5
Formbook
786698eab83f77c1fdc3d37daf49966befe788b0e85167083726354225176d1f
Formbook
7889cc6835fa2dad91efec45745239704b8d8ca2932ade574e92b9c28bf348c1
Formbook
92ab8821f6c4eedc8bec6abee96520514061e32b772831dc3ecb8e71f8f7bcb3
Formbook
adf7fa31e3f65111c002c0cd54c049a05c2327a7d9956f41aa7c7f0f069d4263
Formbook
ff4f7b5393286be5e2c944baf8c38494796a80a1cbb833be3eaf5133ecc51842
Formbook
+ 14'958 additional samples on MalwareBazaar
Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:cbgo loader rat
Link:
https://tria.ge/reports/220414-ggxgqaggf8/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Xloader Payload
Xloader
Unpacked files
SH256 hash:
1567ab36505b9c27f54c4cedfc4ff1e120118a0396f8edbebf1ea106be2b2344
MD5 hash:
17b73b2f3fd26ce31ddba6ac2c6e3976
SHA1 hash:
692b368f33515353371c8299dca256b0cabc35fa
Detections:
win_formbook_g0
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win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/36c4ca8e-8938-4adc-83db-6b45cc2c42eb/
Parent samples :
a65fa640ac023cb2207b4707ca53b54ac80fab579b1ab598637850a003b4f2e4
a3722866259ff0b2d2578842e1b1667e17f597c274544bb6e02f24b91cb4dbd4
f2b30831e93ef719ecc6b3d7fa88509a1b77d35068d4d6ab2728d9938c8a7859
7889cc6835fa2dad91efec45745239704b8d8ca2932ade574e92b9c28bf348c1
264709538c4d306bfbf521a73d87b5753f38952b09f597ad405c934139a1082c
27331403cd4e737d09c723eaa8ad57607f4a243a1fcde752443af581b9141092
c0d6833e7ba34a1a05310005fa4e09ad5e1e2b60edf8fe62fc42b7610913496c
50a9cc4decaf32975996710740956b5a9c4985c50ded5a2bb8611945263af65a
SH256 hash:
add218fc58b4c754930bd49bc28ede74ff3e279bcddc67ed035c03734aeac241
MD5 hash:
ef5a62fa6896f9f8fad9ed88dcba1571
SHA1 hash:
e0cc7fd742a95d1080abe1939fc619f0c456e858
Link:
https://www.unpac.me/results/36c4ca8e-8938-4adc-83db-6b45cc2c42eb/
SH256 hash:
50a9cc4decaf32975996710740956b5a9c4985c50ded5a2bb8611945263af65a
MD5 hash:
1218da9d299571a80c774838d2a55516
SHA1 hash:
1bce59e7afb303e0c170cb8f6fdb5a1806e41eda
Link:
https://www.unpac.me/results/36c4ca8e-8938-4adc-83db-6b45cc2c42eb/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/50a9cc4decaf/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
Link:
https://yomi.yoroi.company/submissions/50a9cc4decaf32975996710740956b5a9c4985c50ded5a2bb8611945263af65a

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:crime_win32_ransom_avaddon_1
Create hunting rule
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:Ins_NSIS_Buer_Nov_2020_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
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.

Cape
Cape
https://www.capesandbox.com/analysis/263567/

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