MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 36e88428927952dcdf23b14cb7d68f6db403c2135cd1ca4d3a5338f4c6a1822e. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 36e88428927952dcdf23b14cb7d68f6db403c2135cd1ca4d3a5338f4c6a1822e
SHA3-384 hash: 544e311a5cf48e4191f2645a1cc662fc35b08e53d9983c8cb71d9a7bbe92f507aeff39302622f51236b7447758dec114
SHA1 hash: c27f2820869275c7bf9486c578538ac8c0065540
MD5 hash: 8f29b60f1e8e5141ea3a4db9e08c106b
humanhash: blossom-mango-juliet-jupiter
File name:PO _ETPO.22.0418.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:653'312 bytes
First seen:2021-03-22 12:43:35 UTC
Last seen:2021-03-29 15:39:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:ktO0vVlpxQlnObS/a7bh9FcGBapQ8iOe8lbcGAf+6eSf6E:ulLbm/CbQpFiOeIbTUH6
TLSH EDD41240EB3B7BD9D0BA07B5402956A707F4EE0EA387DBFB5CA3A1C004A57155AF8532
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
129
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO _ETPO.22.0418.exe
Verdict:
Suspicious activity
Analysis date:
2021-03-22 12:47:01 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1da79254-f6d4-41a0-9529-8bab65140230

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/125913/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.597.25216.29984.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/353277f2-2124-4b0c-8a14-6a86f9f55a7d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/647766
Signature
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)
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 signatures2 2 Behavior Graph ID: 372848 Sample: PO _ETPO.22.0418.exe Startdate: 22/03/2021 Architecture: WINDOWS Score: 100 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 6 other signatures 2->47 10 PO _ETPO.22.0418.exe 3 2->10         started        process3 file4 29 C:\Users\user\...\PO _ETPO.22.0418.exe.log, ASCII 10->29 dropped 57 Injects a PE file into a foreign processes 10->57 14 PO _ETPO.22.0418.exe 10->14         started        signatures5 process6 signatures7 59 Modifies the context of a thread in another process (thread injection) 14->59 61 Maps a DLL or memory area into another process 14->61 63 Queues an APC in another process (thread injection) 14->63 17 explorer.exe 9 14->17 injected process8 dnsIp9 31 womandigitalrights.net 178.33.117.244, 49717, 49718, 80 OVHFR France 17->31 33 www.otokoikon.com 118.27.99.27, 49724, 80 INTERQGMOInternetIncJP Japan 17->33 35 2 other IPs or domains 17->35 49 System process connects to network (likely due to code injection or exploit) 17->49 21 mstsc.exe 12 17->21         started        signatures10 process11 dnsIp12 37 www.womandigitalrights.net 21->37 39 womandigitalrights.net 21->39 51 Modifies the context of a thread in another process (thread injection) 21->51 53 Maps a DLL or memory area into another process 21->53 55 Tries to detect virtualization through RDTSC time measurements 21->55 25 cmd.exe 1 21->25         started        signatures13 process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/36e88428927952dcdf23b14cb7d68f6db403c2135cd1ca4d3a5338f4c6a1822e/
Threat name:
ByteCode-MSIL.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2021-03-22 11:42:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=g3uiikespfjnzxzdwfglpvupnw2ahqqtlti4utj2km4pjrvbqixa._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210322-y7aelpgxcj/
Behaviour
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/4c8ca99b-e585-4c44-82e2-b4947cefc208/
SH256 hash:
36e88428927952dcdf23b14cb7d68f6db403c2135cd1ca4d3a5338f4c6a1822e
MD5 hash:
8f29b60f1e8e5141ea3a4db9e08c106b
SHA1 hash:
c27f2820869275c7bf9486c578538ac8c0065540
Link:
https://www.unpac.me/results/4c8ca99b-e585-4c44-82e2-b4947cefc208/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/36e88428927952dcdf23b14cb7d68f6db403c2135cd1ca4d3a5338f4c6a1822e

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 2bfa479ab627a311f82cac652080b55ca48d5e4e3034c0a1821adb176ad99c87

Formbook

Executable exe 36e88428927952dcdf23b14cb7d68f6db403c2135cd1ca4d3a5338f4c6a1822e

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 2bfa479ab627a311f82cac652080b55ca48d5e4e3034c0a1821adb176ad99c87
Cape
Cape
https://www.capesandbox.com/analysis/125913/

Comments