MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec427d5a521cdc4f2690ac7ffa883c982c4e3008991127998b0cfdf32f240f30. 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 3 File information Comments
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SHA256 hash: ec427d5a521cdc4f2690ac7ffa883c982c4e3008991127998b0cfdf32f240f30
SHA3-384 hash: 5af85624d960cd294bfc5acfe371a793c4f7a198c96b5cfff0bb6e730d3b441d1aef4690ae14cf1cf813c0e5f274cb42
SHA1 hash: 7497d669a327aebf33ec9dd1c554444d4ee826cf
MD5 hash: b670879d45e75eb7f88fe047f9e88e5f
humanhash: glucose-princess-juliet-rugby
File name:010013.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:601'600 bytes
First seen:2021-10-13 11:22:29 UTC
Last seen:2021-10-14 13:08:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:LQjPkrSB8R8NmZHakSp3dB8ls0eOKsRJBOBnylN2:MjPpB+8AVaXr0JZ/KnKN
Threatray 10'412 similar samples on MalwareBazaar
TLSH T1D3D41243AFA695A6D11D5DB380A6EAB087B1EE40FD92F75A1DD83C773B373C004415A8
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
182
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
010013.exe
Verdict:
Malicious activity
Analysis date:
2021-10-13 11:29:15 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/4c5296af-8229-48d0-82fe-d1e631654097

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/197198/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.13208.20205.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6166c1999fb4d8593d638af2/reports/6fdc8ec6-3142-489a-ac8c-618362d8bc2f/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/c3f4be2e-d603-4a5c-a29b-c4bc3d9f0893
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/869560
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 dropped file
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
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 501987 Sample: 010013.exe Startdate: 13/10/2021 Architecture: WINDOWS Score: 100 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Multi AV Scanner detection for dropped file 2->48 50 7 other signatures 2->50 10 010013.exe 7 2->10         started        process3 file4 32 C:\Users\user\AppData\RoamingLqDlkdxF.exe, PE32 10->32 dropped 34 C:\Users\user\AppData\Local\...\tmp30F5.tmp, XML 10->34 dropped 36 C:\Users\user\AppData\...\010013.exe.log, ASCII 10->36 dropped 64 Uses schtasks.exe or at.exe to add and modify task schedules 10->64 66 Tries to detect virtualization through RDTSC time measurements 10->66 68 Injects a PE file into a foreign processes 10->68 14 010013.exe 10->14         started        17 schtasks.exe 1 10->17         started        signatures5 process6 signatures7 70 Modifies the context of a thread in another process (thread injection) 14->70 72 Maps a DLL or memory area into another process 14->72 74 Sample uses process hollowing technique 14->74 76 Queues an APC in another process (thread injection) 14->76 19 explorer.exe 14->19 injected 23 conhost.exe 17->23         started        process8 dnsIp9 38 www.lifestyleeve.com 199.59.242.153, 49791, 80 BODIS-NJUS United States 19->38 40 www.smithridge.net 19->40 42 www.myceliated.com 19->42 52 System process connects to network (likely due to code injection or exploit) 19->52 54 Uses netsh to modify the Windows network and firewall settings 19->54 25 netsh.exe 19->25         started        signatures10 process11 signatures12 56 Self deletion via cmd delete 25->56 58 Modifies the context of a thread in another process (thread injection) 25->58 60 Maps a DLL or memory area into another process 25->60 62 Tries to detect virtualization through RDTSC time measurements 25->62 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ec427d5a521cdc4f2690ac7ffa883c982c4e3008991127998b0cfdf32f240f30/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-10-13 11:03:29 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=5rbh2wssdtoe6juqvr77vcb4tawe4maiteispgmlbt67glzeb4ya._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
02230fb80db0fe0055730a0af8b3a0c66a578b2c315206053b80bae250c5561d
Formbook
091230bdb21752192badda687f5def8c29d988ddab761901ed5c6594062c1e9d
Formbook
0cf11de8a0ce67a46203ae419f2aa7bb988ae3088dc4f33158dccc55b97e4a7d
Formbook
4f8799e5441c553ebbda342b6b06356a70dc432e5ac0434f4158146520b57ab7
Formbook
59aaeb22618c772877612d56e850fadbe0f8e929aa14b7922de7afef3eb7be96
Formbook
68fd922afd4b980e00af527f2e2d6bbeed59ec1508c089370d64081a5532f3f2
Formbook
6bb272687077dd72fd43ff97e4883a202c4a041cccf94b6df1876820d69418f3
Formbook
818b8b831f3c774e034e2794f1eae71f62f5388355916e948b472cfdac7f5508
Formbook
984ad48db84dccbf4d978f50b0cad2c0f2eb4a256cc5f3b470facf3e411283ae
Formbook
d9cc0ba64d20a3a60f1580c74ff1269f5b545a0abf23362cbc678b12057a6cf3
Formbook
+ 10'402 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:o4ms rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/211013-ng5lnadggr/
Behaviour
Creates scheduled task(s)
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.nocodehost.com/o4ms/
Unpacked files
SH256 hash:
a799e5cbb604026846696856753a847dae483ae9d512f6c8c237967f910c5f2e
MD5 hash:
3da83dc1e5a7cecade931cfed7b221f6
SHA1 hash:
ff629cc925732876e11d490c66d9f34420fb335f
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/833f37b3-6a07-4e52-8a58-fcfb244ff035/
Parent samples :
bd746ec7cac902a0b12f829efa801316f11b5ab6df024ff0f75c178134daad99
984ad48db84dccbf4d978f50b0cad2c0f2eb4a256cc5f3b470facf3e411283ae
4f8799e5441c553ebbda342b6b06356a70dc432e5ac0434f4158146520b57ab7
d9cc0ba64d20a3a60f1580c74ff1269f5b545a0abf23362cbc678b12057a6cf3
091230bdb21752192badda687f5def8c29d988ddab761901ed5c6594062c1e9d
ec427d5a521cdc4f2690ac7ffa883c982c4e3008991127998b0cfdf32f240f30
SH256 hash:
c08543b038e6a9e601ed65b1c4617a46df290d7d80baaf4acec74ba7b2939caa
MD5 hash:
e526cc3c0c730b359ef4832b597aa846
SHA1 hash:
eb8af5adf624745338149d16f40a653824a12650
Link:
https://www.unpac.me/results/833f37b3-6a07-4e52-8a58-fcfb244ff035/
SH256 hash:
eda4d687b865aed0078ab87078de7d9722888b2d2af71c6fc0dcdc986ffb7567
MD5 hash:
12cf5402be16590c300b442a66e9ebc1
SHA1 hash:
0ea28394d301ca1ce840f039d2da62a5ce6d9334
Link:
https://www.unpac.me/results/833f37b3-6a07-4e52-8a58-fcfb244ff035/
SH256 hash:
ec427d5a521cdc4f2690ac7ffa883c982c4e3008991127998b0cfdf32f240f30
MD5 hash:
b670879d45e75eb7f88fe047f9e88e5f
SHA1 hash:
7497d669a327aebf33ec9dd1c554444d4ee826cf
Link:
https://www.unpac.me/results/833f37b3-6a07-4e52-8a58-fcfb244ff035/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ec427d5a521cdc4f2690ac7ffa883c982c4e3008991127998b0cfdf32f240f30

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.

Malspam

Formbook

Executable exe ec427d5a521cdc4f2690ac7ffa883c982c4e3008991127998b0cfdf32f240f30

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/197198/

Comments