MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f1b2b93992ab956883815e6fea926d282fc3a423675fa1faf5ffb6cbb2ddbedb. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments

SHA256 hash: f1b2b93992ab956883815e6fea926d282fc3a423675fa1faf5ffb6cbb2ddbedb
SHA3-384 hash: 9b729f39c2de0024cebd15c7a7e9791882fd51ac9e50c47c3cd1dc7502a27ce97444acf0d43870ec6aba94f557ed0dec
SHA1 hash: 938203976b1cca4a4c93c7f96fdebf38af6db078
MD5 hash: e55a15226b4a4eceb0842404d977666a
humanhash: april-autumn-arizona-louisiana
File name:Ejima.exe
Download: download sample
Signature Formbook
File size:578'238 bytes
First seen:2021-06-22 14:45:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:bBlL/RnnQQdz69b2ArXwgqAVT2g4u5rbiDhk1OtMzbOTOX:txI/XwiVTA+1OqvOT2
Threatray 5'952 similar samples on MalwareBazaar
TLSH B2C46C43BB848A7EC3039DF818DD93BE52359C344B15A22F6958F6B685B3BCCAF54142
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
132
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Ejima.exe
Verdict:
Malicious activity
Analysis date:
2021-06-22 14:58:07 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
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)
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 438467 Sample: Ejima.exe Startdate: 22/06/2021 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->34 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 4 other signatures 2->40 8 Ejima.exe 19 2->8         started        12 explorer.exe 2->12         started        process3 dnsIp4 24 C:\Users\user\AppData\Local\...\System.dll, PE32 8->24 dropped 26 C:\Users\user\AppData\Local\Temp\gynbafb, DOS 8->26 dropped 42 Detected unpacking (changes PE section rights) 8->42 44 Maps a DLL or memory area into another process 8->44 46 Tries to detect virtualization through RDTSC time measurements 8->46 15 Ejima.exe 8->15         started        28 www.cannabimall.com 91.195.240.94, 49772, 80 SEDO-ASDE Germany 12->28 30 www.luxuryteashop.online 217.160.0.14, 49771, 80 ONEANDONE-ASBrauerstrasse48DE Germany 12->30 32 11 other IPs or domains 12->32 48 System process connects to network (likely due to code injection or exploit) 12->48 18 colorcpl.exe 12->18         started        file5 signatures6 process7 signatures8 50 Modifies the context of a thread in another process (thread injection) 15->50 52 Maps a DLL or memory area into another process 15->52 54 Sample uses process hollowing technique 15->54 56 Queues an APC in another process (thread injection) 15->56 58 Tries to detect virtualization through RDTSC time measurements 18->58 20 cmd.exe 1 18->20         started        process9 process10 22 conhost.exe 20->22         started       
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-06-22 08:54:49 UTC
AV detection:
13 of 29 (44.83%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.ponchomotor.icu/eo5u/
Unpacked files
SH256 hash:
5b09b034f645664e73faf6e251dea74d7e8bfe72e33130c7827026e75597e9be
MD5 hash:
a606889e128b11bf741ba9b6d35b0646
SHA1 hash:
6db4a86ad717ab9d313077d3bd3b3f0f782b1f9b
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
bb6df93369b498eaa638b0bcdc4bb89f45e9b02ca12d28bcedf4629ea7f5e0f1
MD5 hash:
56a321bd011112ec5d8a32b2f6fd3231
SHA1 hash:
df20e3a35a1636de64df5290ae5e4e7572447f78
SH256 hash:
f1b2b93992ab956883815e6fea926d282fc3a423675fa1faf5ffb6cbb2ddbedb
MD5 hash:
e55a15226b4a4eceb0842404d977666a
SHA1 hash:
938203976b1cca4a4c93c7f96fdebf38af6db078
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


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

Malspam

Formbook

Executable exe f1b2b93992ab956883815e6fea926d282fc3a423675fa1faf5ffb6cbb2ddbedb

(this sample)

  
Delivery method
Distributed via e-mail attachment

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