MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 15aeb1edef0fa34d88b0cae99767b604b90138173b024bb4512979b22cae9287. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 15aeb1edef0fa34d88b0cae99767b604b90138173b024bb4512979b22cae9287
SHA3-384 hash: ed69ec6eaf9a92f1862458e7dfea2ad7160f11bfa976e2e1385e105c22da1939e76d9f7628ed57a1d420b4d09ab73496
SHA1 hash: 6ff6a9fb931b58b3f8929a75b8cb01af308dee4e
MD5 hash: 0472c7f20588de6e27363b724e1d9760
humanhash: utah-happy-fruit-ceiling
File name:0472c7f20588de6e27363b724e1d9760.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:473'600 bytes
First seen:2021-12-20 15:27:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:yGu2iNjbAXOH+BGMztZwia2LfXpQusonyGIbUuSK3:S1dTeBGMzsia62u5nyLPSK3
Threatray 12'392 similar samples on MalwareBazaar
TLSH T1CDA4F14DF623FAE8FA6A43B825715D220B75D82194EDDABC198722E74935202109FDCF
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
128
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/215493/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61c0a1058991ba72b38eaf96/reports/5296a48b-a2e8-4c27-bcd6-938e8bada515/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/1bfcebe1-6943-43f6-b84f-e74e4fa66396
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/910379
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 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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 542868 Sample: FWhF1F6h7e.exe Startdate: 20/12/2021 Architecture: WINDOWS Score: 100 31 www.configmax.com 2->31 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 6 other signatures 2->45 11 FWhF1F6h7e.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\FWhF1F6h7e.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 FWhF1F6h7e.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.businessrecoverypayment.com 18->33 35 parkingpage.namecheap.com 198.54.117.212, 49818, 80 NAMECHEAP-NETUS United States 18->35 37 www.5starpropertyrenovations.com 35.227.197.36, 49825, 80 GOOGLEUS United States 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 cscript.exe 18->22         started        signatures11 process12 signatures13 49 Self deletion via cmd delete 22->49 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/15aeb1edef0fa34d88b0cae99767b604b90138173b024bb4512979b22cae9287/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-12-20 14:02:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cwxld3ppb6ru3cfqzluzoz5was4qcoaxhmbexncrff43elfoskdq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
125c9498bdcd38fb36d35e3eb32f45ede843e53eeb57e973255cf11d66318210
Formbook
30c4d8cc68cc16af698b521cf9e31a8540f0c5cce8e2d66e874fc62a87dae393
Formbook
3bc25439a27fa2e9385f42bfc9b9a6caa56dc076ccc07fd2aa4684c0292c9622
Formbook
4cc5a0fb10d6235a197da2d08df9af6afae59ceaffb0c7054cfb087eb5c039b6
Formbook
6810f77478c037f70109dfb99877a6dd3bd80496ee7cc304027f2803a2209ab5
Formbook
6b808cf78989a505d346c7a9e3d8d571cec2c21fe0ef9b3c1f5e04bbad6be3c2
Formbook
83708560ecc442b5b6dadbdf5af39ae4f1e843664c932a9de3eff1e38bf6d4a5
Formbook
c63cb761da677849b8382eb1d926569f00a04d57f2c789b63e7f2eb2e368a00c
Formbook
c781169f80930851f2174df529d1aaba061c45fd7ef90c5059a7c513bfda3414
Formbook
e2682ee08233df5afc90d9295165ffed0373e4f34278d99d5a30622c2577639b
Formbook
+ 12'382 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:a3f0 rat spyware stealer trojan
Link:
https://tria.ge/reports/211220-swcawabac3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
265ef809ccb008760a41c04e171b7493e2a15f091aa693f6ebe146420e090bdf
MD5 hash:
1dda3144bad6364a4bfa2f12bd1930e4
SHA1 hash:
8130e9df0cf85784990a5960cd980d36d759926b
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/e775ffe9-401b-4a5c-bf8e-04088bd05716/
Parent samples :
125c9498bdcd38fb36d35e3eb32f45ede843e53eeb57e973255cf11d66318210
15aeb1edef0fa34d88b0cae99767b604b90138173b024bb4512979b22cae9287
37c61785c47820bbfd4198b8ff7c9db451bdde81371b5dde948b6aeab76a36bf
3e07bbefb8a7c7c8b5c46c854eaa422fe047cd22d6c2e96af1b1a88fb78854b0
SH256 hash:
5c11e6c6ee55ecd5dc1ffa57fa97c90cb55622b4ca932067d14273ba7473041a
MD5 hash:
a29e7e239eb487723a2c901e78243b55
SHA1 hash:
5c262318ceff50196d7d6e0c69426b878327113b
Link:
https://www.unpac.me/results/e775ffe9-401b-4a5c-bf8e-04088bd05716/
SH256 hash:
9f5763966bacdc6de3944a6e06a49b05869c38f2e98b32cb93b483a480a6ffff
MD5 hash:
3418c620c4b9dd4533a88f1ba5ec3ff1
SHA1 hash:
12f6aaf1c90030c4063d42a27b2e7000a08b6e74
Link:
https://www.unpac.me/results/e775ffe9-401b-4a5c-bf8e-04088bd05716/
SH256 hash:
15aeb1edef0fa34d88b0cae99767b604b90138173b024bb4512979b22cae9287
MD5 hash:
0472c7f20588de6e27363b724e1d9760
SHA1 hash:
6ff6a9fb931b58b3f8929a75b8cb01af308dee4e
Link:
https://www.unpac.me/results/e775ffe9-401b-4a5c-bf8e-04088bd05716/
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/15aeb1edef0fa34d88b0cae99767b604b90138173b024bb4512979b22cae9287

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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 15aeb1edef0fa34d88b0cae99767b604b90138173b024bb4512979b22cae9287

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1880065/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/215493/

Comments