MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8afb80762bc90479ba2d8f4237e755f78ea789601781615088dfa52f3e87d72a. 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 1 File information Comments
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SHA256 hash: 8afb80762bc90479ba2d8f4237e755f78ea789601781615088dfa52f3e87d72a
SHA3-384 hash: 514d145b3360d06782ee35f6b6a97af1eed0ca5785ddc4611d190b7eec49f8a182c1c8c7d8df5a5759fd405a776ee8c4
SHA1 hash: 3273ed451bf3d65cdf4f20ffa28bf9b656ddf431
MD5 hash: 8844321c19344ef5bec73e5a3c073a89
humanhash: blue-cola-island-network
File name:Purchase Order 2021 - 00041.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:933'376 bytes
First seen:2021-03-24 10:28:49 UTC
Last seen:2021-03-24 10:29:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:cqDVFPSyF0Z1o4N/ImjiA9jDiid1tH3WbROjfkzubdVVjGyIx2v:pDTSeIikPiARDTPUdofkzMjGa
Threatray 4'214 similar samples on MalwareBazaar
TLSH 4E15E68C5D9EC2CAC6754BA882CEC4E947DA5FF34F22D8BAB9C847CBC420745F506526
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
133
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order 2021 - 00041.exe
Verdict:
Malicious activity
Analysis date:
2021-03-24 10:31:49 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2d066058-d885-4543-8267-6e0e7c3210d3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET-5.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/652016
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
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
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 374957 Sample: Purchase Order 2021 - 00041.exe Startdate: 24/03/2021 Architecture: WINDOWS Score: 100 36 www.homesecuritymx.site 2->36 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 11 other signatures 2->48 11 Purchase Order 2021 - 00041.exe 3 2->11         started        signatures3 process4 file5 28 C:\...\Purchase Order 2021 - 00041.exe.log, ASCII 11->28 dropped 14 Purchase Order 2021 - 00041.exe 11->14         started        process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.insportseurolatam.com 217.160.0.241, 49747, 80 ONEANDONE-ASBrauerstrasse48DE Germany 17->30 32 www.kkkstuff4sale.com 104.232.96.254, 49745, 80 HENGTONG-IDC-LLCUS United States 17->32 34 2 other IPs or domains 17->34 38 System process connects to network (likely due to code injection or exploit) 17->38 40 Uses netstat to query active network connections and open ports 17->40 21 NETSTAT.EXE 17->21         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8afb80762bc90479ba2d8f4237e755f78ea789601781615088dfa52f3e87d72a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-03-24 10:29:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rl5ya5rlzechtornr5bdpz2v66hkpclac6awcuei36ss6puh24va._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
056548a367412a9b7fcb2d136d1c425ecfc2b0627de5d6842a5b79cee17d67dd
Formbook
06fa1b160e322bd7710c9110b1e4e873795b5c2680b8bbe70bbaf23484533459
Formbook
0953e54968ca9407a172c0a35a00d8b30ec603770809bbd2901a070e1b83b7f8
Formbook
21ba0bed0b05a2ce68496e73a5c103fb5b815ac2c77e997f46e5d09666c1c978
Formbook
4ce173da12efcf686dd4a7fec6678fc6c0e2cae352a3dd327bdfa478c18589e4
Formbook
7c201535a28746b62adfa831cfccac096903f5b17ee83b8364fc890fa70a59fd
Formbook
aa9692c1769e25297176b847f4274570c56c4d74f4577608bd036e72d82d5bdb
Formbook
dd4d1da7c146e47e25b601cba1d6f324eace694055d43e1c67288df6a0ea1951
Formbook
ebb6267e5c3bf10ec8ccba29d6fd2c7b747cef8b758db1544caf9edc7f117d7b
Formbook
f39b9e8c4a9aa6d8cd9f069e8a8ee81a3f666e07071f2b4673aa42633026736c
Formbook
+ 4'204 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/210324-7rhdga1e5e/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.otokoikon.com/vsk9/
Unpacked files
SH256 hash:
c22b9993fd6abea236edcc1bf476bcd4a09015b4af09eedf660a43bf3d29a16f
MD5 hash:
1d1234ba19c430923b22f531bb19b369
SHA1 hash:
9868c1e97a3be16100a61b5ee1f7d2838b4782a8
Link:
https://www.unpac.me/results/788ce40b-26bc-4e02-ae58-6c31953c10bb/
SH256 hash:
8afb80762bc90479ba2d8f4237e755f78ea789601781615088dfa52f3e87d72a
MD5 hash:
8844321c19344ef5bec73e5a3c073a89
SHA1 hash:
3273ed451bf3d65cdf4f20ffa28bf9b656ddf431
Link:
https://www.unpac.me/results/788ce40b-26bc-4e02-ae58-6c31953c10bb/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8afb80762bc90479ba2d8f4237e755f78ea789601781615088dfa52f3e87d72a

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

File information

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

Malspam

Formbook

zip a5b7f400263764afedda609311e3e4acd38def0ec45c5f4c4304dd8f3c5ce852

Formbook

Executable exe 8afb80762bc90479ba2d8f4237e755f78ea789601781615088dfa52f3e87d72a

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 a5b7f400263764afedda609311e3e4acd38def0ec45c5f4c4304dd8f3c5ce852
  
Dropped by
SHA256 3a43b76e89f0e122451d79f42f194984436270d4639317cee8400ca056c2a1c4

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