MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 caee115a3bb2028fd81681b1fef997f87893c603dd42ca0932896029424ed1e7. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: caee115a3bb2028fd81681b1fef997f87893c603dd42ca0932896029424ed1e7
SHA3-384 hash: ff3757d5ecd3462093d8c35745333243305bd3ffd3b8a6c010490a9a8d4564d7cffa8a6d7d4cba6558bcf2e8e3d32f24
SHA1 hash: 4584ce72f20718091af38760eba105e1b01b1f8d
MD5 hash: a38729e20e3923799d71f59f1f06626a
humanhash: johnny-music-king-six
File name:TT FORMAT COPY.exe
Download: download sample
Signature Formbook
File size:681'472 bytes
First seen:2021-09-07 05:24:18 UTC
Last seen:2021-09-07 13:12:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'448 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 6144:77FJLgGB3g0ZDuuAXi+U6jPfhAv7n8IpWoHIHmmoYaQVp8PNUPq5HpD:bw0pjAS+U66vNW+I3/aop3
Threatray 9'075 similar samples on MalwareBazaar
TLSH T1CFE41B3E18FE23279176C7D5CBE48823F6C098AF3133A965A7D747264316A4674C322E
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
2
# of downloads :
208
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TT FORMAT COPY.exe
Verdict:
Malicious activity
Analysis date:
2021-09-07 05:24:48 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 478668 Sample: TT FORMAT COPY.exe Startdate: 07/09/2021 Architecture: WINDOWS Score: 100 31 www.wecarefamilyphysicians.com 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 8 other signatures 2->45 11 TT FORMAT COPY.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\TT FORMAT COPY.exe.log, ASCII 11->29 dropped 57 Injects a PE file into a foreign processes 11->57 15 TT FORMAT COPY.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.yournumberoneteam.com 18->33 35 www.globipark.com 49.12.128.227, 49726, 80 HETZNER-ASDE Germany 18->35 37 9 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 msdt.exe 18->22         started        signatures11 process12 signatures13 49 Self deletion via cmd delete 22->49 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-09-07 03:18:23 UTC
AV detection:
6 of 43 (13.95%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:n58i loader rat suricata
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
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.mack3sleeve.com/n58i/
Unpacked files
SH256 hash:
8cff129ca2360c5eff1f061536fe264c44a88b66519fd7f3353f6fcfd2bc111a
MD5 hash:
f914c8bfed6d43272fb24a861f2ca041
SHA1 hash:
5bf498268bc92b4cd8463fed104bda65297dc794
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
c0ee1071e444f415f8b62856a0896f3b22e563f1bb4f03d14142583efe49a565
MD5 hash:
29db2e114b88ae1f6a00c9aa71690043
SHA1 hash:
ec82db71443556a5b320357b0b8b09e70ec1db9c
SH256 hash:
676b16bebc1d9629719f9f5f4568f8f61581e1e098d1956a8c789059d9ed21c1
MD5 hash:
4a6e19ef8d5aa7ae2d0f8afea5639f40
SHA1 hash:
4b5bf1dceb53acaaaf9b7405a1f945a3eb706eb2
SH256 hash:
caee115a3bb2028fd81681b1fef997f87893c603dd42ca0932896029424ed1e7
MD5 hash:
a38729e20e3923799d71f59f1f06626a
SHA1 hash:
4584ce72f20718091af38760eba105e1b01b1f8d
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: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:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

Formbook

Executable exe caee115a3bb2028fd81681b1fef997f87893c603dd42ca0932896029424ed1e7

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

Comments