MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 05b852b7d9c198bc7bb2937263726a9dd55b1001fce28890b86efc23d764a938. 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 2 File information Comments

SHA256 hash: 05b852b7d9c198bc7bb2937263726a9dd55b1001fce28890b86efc23d764a938
SHA3-384 hash: 1f1df3ff496d23c17659783c5716c8680c08d8929f0cb20a896681542c668efb3f5952018d1f782d70adbad10145bb45
SHA1 hash: f3c7333efe94226db431822abc583cfa90404f79
MD5 hash: ac54ee9ff97927110482c42f8927ee49
humanhash: indigo-solar-network-comet
File name:chems.exe
Download: download sample
Signature Formbook
File size:899'072 bytes
First seen:2021-06-16 12:41:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:R3ll/tq0dShlm4S4F3M9ynJzSYAtP9tLBR6MP3xcmXieLJcJ5r:hTtq0dGWoIRtFNx9LJcj
Threatray 5'795 similar samples on MalwareBazaar
TLSH 6715C3303FB867D6E07AEAA145ABB447C9ED61FA260DC8CD5C5007C157326CB4AF2D29
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
114
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
chems.exe
Verdict:
Suspicious activity
Analysis date:
2021-06-16 12:42:49 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
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)
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 435429 Sample: chems.exe Startdate: 16/06/2021 Architecture: WINDOWS Score: 100 27 www.loveleevboutique.com 2->27 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 5 other signatures 2->51 9 chems.exe 3 2->9         started        13 explorer.exe 2->13         started        signatures3 process4 dnsIp5 25 C:\Users\user\AppData\Local\...\chems.exe.log, ASCII 9->25 dropped 53 Tries to detect virtualization through RDTSC time measurements 9->53 16 chems.exe 9->16         started        29 ironmongeryandfixings.com 141.0.161.165, 49762, 80 IOMART-ASGB United Kingdom 13->29 31 riskinscocktailbitters.com 192.249.117.18, 49770, 80 IMH-WESTUS United States 13->31 33 11 other IPs or domains 13->33 55 System process connects to network (likely due to code injection or exploit) 13->55 19 mstsc.exe 13->19         started        file6 signatures7 process8 signatures9 35 Modifies the context of a thread in another process (thread injection) 16->35 37 Maps a DLL or memory area into another process 16->37 39 Sample uses process hollowing technique 16->39 41 Queues an APC in another process (thread injection) 16->41 43 Tries to detect virtualization through RDTSC time measurements 19->43 21 cmd.exe 1 19->21         started        process10 process11 23 conhost.exe 21->23         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-06-16 12:41:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
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: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.playtechlabs.com/hse0/
Unpacked files
SH256 hash:
92ae1b933de3b46a0208ef75f65699716926fa0cea1afd74fc424b8afde249ce
MD5 hash:
0f5baeb5436502a670de5e6b88984ff3
SHA1 hash:
e3b11d344778b0de8e8e9261e519119c0872839e
SH256 hash:
05b852b7d9c198bc7bb2937263726a9dd55b1001fce28890b86efc23d764a938
MD5 hash:
ac54ee9ff97927110482c42f8927ee49
SHA1 hash:
f3c7333efe94226db431822abc583cfa90404f79
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: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.

  
Delivery method
Other

Comments