MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1af16016b5773b6d22f0d0e5f93392e909d3505d22ef1cefb8127798de67760f. 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: 10


Intelligence 10 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1af16016b5773b6d22f0d0e5f93392e909d3505d22ef1cefb8127798de67760f
SHA3-384 hash: 6576bff87da57136efe881137aa10d1e87f4a0c561332a6253ce9d3258355a198770e0c4a81540ecb4a7f8eeec0ce242
SHA1 hash: 86db898355f84c16bd0629d59ff36a06cddf2d71
MD5 hash: d31b38cb903007f085c9b18bdec09759
humanhash: arkansas-green-utah-maryland
File name:payment advise.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:57'800 bytes
First seen:2020-12-17 08:54:27 UTC
Last seen:2020-12-17 10:29:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'653 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 768:h4dkIeGyg5qechTS3dCJ07ELiDb0+RSw55+jAKAlGwOcIUf2hS:h4dnKbORDbW94OcIUfT
Threatray 3'199 similar samples on MalwareBazaar
TLSH 93432ED1AEF84A5BC02EB33D12E97402BF760D645A36CE5F4632356269D33449EDA80F
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: correo.trcnet.com.ar
Sending IP: 190.227.12.3
From: Ege Termo Elek. İnfo <vera@credifinexpress.com.ar>
Subject: Fwd: Urgent Confirmation
Attachment: payment advise.z (contains "payment advise.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
157
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
payment advise.exe
Verdict:
Malicious activity
Analysis date:
2020-12-17 03:17:30 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a01f4734-6464-4e40-ac1f-1a6f38cfb14d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.DownloaderNET.106.17731.21078.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
DNS request
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
Sending a TCP request to an infection source
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Gathering data
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/565202
Signature
Connects to a pastebin service (likely for C&C)
Executable has a suspicious name (potential lure to open the executable)
Initial sample is a PE file and has a suspicious name
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
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: 331686 Sample: payment advise.exe Startdate: 17/12/2020 Architecture: WINDOWS Score: 100 38 www.justlifeservices.com 2->38 56 Malicious sample detected (through community Yara rule) 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 Yara detected FormBook 2->60 62 5 other signatures 2->62 11 payment advise.exe 15 4 2->11         started        signatures3 process4 dnsIp5 46 hastebin.com 172.67.143.180, 443, 49743 CLOUDFLARENETUS United States 11->46 36 C:\Users\user\...\payment advise.exe.log, ASCII 11->36 dropped 66 Injects a PE file into a foreign processes 11->66 16 payment advise.exe 11->16         started        19 cmd.exe 1 11->19         started        file6 signatures7 process8 signatures9 48 Modifies the context of a thread in another process (thread injection) 16->48 50 Maps a DLL or memory area into another process 16->50 52 Sample uses process hollowing technique 16->52 54 Queues an APC in another process (thread injection) 16->54 21 explorer.exe 16->21 injected 25 conhost.exe 19->25         started        27 timeout.exe 1 19->27         started        process10 dnsIp11 40 www.accesspubhealth.com 74.220.199.6, 49765, 80 UNIFIEDLAYER-AS-1US United States 21->40 42 ghs.googlehosted.com 172.217.23.147, 49766, 80 GOOGLEUS United States 21->42 44 6 other IPs or domains 21->44 64 System process connects to network (likely due to code injection or exploit) 21->64 29 msiexec.exe 21->29         started        signatures12 process13 signatures14 68 Modifies the context of a thread in another process (thread injection) 29->68 70 Maps a DLL or memory area into another process 29->70 72 Tries to detect virtualization through RDTSC time measurements 29->72 32 cmd.exe 1 29->32         started        process15 process16 34 conhost.exe 32->34         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1af16016b5773b6d22f0d0e5f93392e909d3505d22ef1cefb8127798de67760f/
Threat name:
ByteCode-MSIL.Trojan.Ymacco
Create hunting rule
Status:
Malicious
First seen:
2020-12-17 02:16:59 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dlywafvvo45w2ixq2ds7sm4s5ee5guc5elxrz35ycj3zrxthoyhq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
netwirerc
Create hunting rule
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Formbook
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e3a99ce882e0faa9a119c9a4d7f91368463f38f7cd20ae48528c267ac6a19968
Formbook
+ 3'189 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/201217-blzrjn244s/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
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
Malware Config
C2 Extraction:
http://www.couponquote.com/rbe/
Unpacked files
SH256 hash:
1af16016b5773b6d22f0d0e5f93392e909d3505d22ef1cefb8127798de67760f
MD5 hash:
d31b38cb903007f085c9b18bdec09759
SHA1 hash:
86db898355f84c16bd0629d59ff36a06cddf2d71
Link:
https://www.unpac.me/results/e0a05198-2719-4186-abd2-2ca46cbb16a3/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Dropper
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/1af16016b5773b6d22f0d0e5f93392e909d3505d22ef1cefb8127798de67760f

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

zip 0c1abcaa28ab53bc3cb9fc8eaef70346fe6a40d260e77b21919b8b128573d30c

Formbook

Executable exe 1af16016b5773b6d22f0d0e5f93392e909d3505d22ef1cefb8127798de67760f

(this sample)

  
Dropped by
MD5 7a6b79a56a85dda693fa63d623c2cb99
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 0c1abcaa28ab53bc3cb9fc8eaef70346fe6a40d260e77b21919b8b128573d30c

Comments