MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec0aee0044fa691d3baa56fb1a11e3025d17151c258ddf7c6197c6aa0be69a99. 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: 8


Intelligence 8 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ec0aee0044fa691d3baa56fb1a11e3025d17151c258ddf7c6197c6aa0be69a99
SHA3-384 hash: aa9a7cfc8d6de842ee7c0dd314f02da9ec6d48c00b747dbc6bdac786f096f550f408753c47611061facabf1dcbb9e243
SHA1 hash: 097ae3fa8212d392b114a5afee45fa5548e8de0f
MD5 hash: f8d63d8bb4a565b307e45ccf72676088
humanhash: seven-summer-fix-lactose
File name:PI CT35804.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:873'984 bytes
First seen:2021-07-13 05:41:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:KKVXtgR7qPuOgn3JPoIDZDHRFpRG8wQ8s5ctXW6tnKntdcPAXN5GnTOdU+CHpZsi:pFtV+3JwIDdRF2dBs5ctG6Injc/
Threatray 5'864 similar samples on MalwareBazaar
TLSH T1E0058C2C23FEA109F237FF719F94F2859F66767A9229924D2CC4420A5861D80FE77532
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
120
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PI CT35804.exe
Verdict:
Suspicious activity
Analysis date:
2021-07-13 05:43:03 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/09032386-270c-43be-95a2-69c76ae00a55

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/171236/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.925-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
UNKNOWN
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/5691fc09-bfae-46bb-b3f9-90b025beb24e
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/815287
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
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 signatures2 2 Behavior Graph ID: 447698 Sample: PI CT35804.exe Startdate: 13/07/2021 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 5 other signatures 2->42 10 PI CT35804.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\PI CT35804.exe.log, ASCII 10->28 dropped 52 Injects a PE file into a foreign processes 10->52 14 PI CT35804.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.binnsmotorinn.com 164.88.23.221, 49733, 80 CLAYERLIMITED-AS-APClayerLimitedHK South Africa 17->30 32 www.copyrightrules-ig.com 17->32 34 copyrightrules-ig.com 34.98.99.30, 49730, 80 GOOGLEUS United States 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 systray.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ec0aee0044fa691d3baa56fb1a11e3025d17151c258ddf7c6197c6aa0be69a99/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-07-13 01:55:54 UTC
AV detection:
9 of 46 (19.57%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5qfo4ace7jur2o5kk35ruepdajorofi4ewg567dbs7dkuc7gtkmq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0f600e10b529dc3af8dabf5aa567598fe6a0c5a373d4f20e9fba390735257bbe
Formbook
398e6661f5ca757d0d7c777a0ed8ca1481b5c2df810008164e1f51deefc2ab48
Formbook
49a4412c27e5eafc4c4365a2b2aeb962d6bf25849ab58d4e7eeb25fcfb934dcd
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74038c5bbdbded24e577d6c081d88febe59735546d902323a310e2e9d3f66677
Formbook
744400d590042d779a25401879f9906b979e32bba3fac355a0ff2d5a00f4fcfc
Formbook
852d3890ed7348734c5f18da1141075129468263b43f82cec8ac7b3e4b9145ac
Formbook
ae5df8905dd1b9de509e6764dea4c5571916b1705a129bddf2f5e2e554552acb
Formbook
b35de004189f271fe754dd614e5fbbc299425f5aca9ebf1f935bf26696964853
Formbook
d0116b0ea676a655b1d55a2b7a79fb2585c1d04803e9d1d6f9cd1da15f789138
Formbook
d869fa27fd5d5a229609f218572f1625820cb8176ba6c1616714e40d4e6b7897
Formbook
+ 5'854 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/210713-8x1lhk11mj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.totaloffice-alaska.com/rh0s/
Unpacked files
SH256 hash:
5f5257e30cfc2caab058013ffc60f90fb8a5d780a14834e1371054290b7658e4
MD5 hash:
b0e14c3526d6623ae9b7b5f5e0efde76
SHA1 hash:
f7d127bff2dfb1100ebd55fdd12dfb7a2b382fdc
Link:
https://www.unpac.me/results/96ffb7f1-a149-4d31-b9d4-529a8e907e7e/
SH256 hash:
ec0aee0044fa691d3baa56fb1a11e3025d17151c258ddf7c6197c6aa0be69a99
MD5 hash:
f8d63d8bb4a565b307e45ccf72676088
SHA1 hash:
097ae3fa8212d392b114a5afee45fa5548e8de0f
Link:
https://www.unpac.me/results/96ffb7f1-a149-4d31-b9d4-529a8e907e7e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/ec0aee0044fa691d3baa56fb1a11e3025d17151c258ddf7c6197c6aa0be69a99

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Malspam

Formbook

Executable exe ec0aee0044fa691d3baa56fb1a11e3025d17151c258ddf7c6197c6aa0be69a99

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/171236/

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