MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1357e85e839e2ccd1128c409855469cc8367fb33ad606e3bd1ebd5eb08de39da. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: 1357e85e839e2ccd1128c409855469cc8367fb33ad606e3bd1ebd5eb08de39da
SHA3-384 hash: 0d8824aa94cc1045bbb7ccf5a83d354b6d481f3e3c582f6d49409a4aeee044c45f399b2da4a2f91278990ac26ab17253
SHA1 hash: 186cae0deac5b50cbbbab1ef7c1e905094f39d7e
MD5 hash: e09b0dc54b0f1a0503c10a1795a250b7
humanhash: autumn-magnesium-purple-delaware
File name:QU7142021.exe
Download: download sample
Signature Formbook
File size:839'168 bytes
First seen:2021-07-14 13:04:07 UTC
Last seen:2021-07-14 13:56:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:yMgrtarNls9XOd4+QChzx7SV+iwGT9ojb0x7FLq6o/dt9Ggyr02XPNCtRU:yMx9S2GT97ZLBAdvGlrnXPc7U
Threatray 5'956 similar samples on MalwareBazaar
TLSH T168058C2C23FEA719F233FF359FA4A6449FA666B58215CD0D2DC4024B4821D85EEA7D31
Reporter Anonymous
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
112
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
QU7142021.exe
Verdict:
Malicious activity
Analysis date:
2021-07-14 13:18:47 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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)
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Defender Exclusion
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 448625 Sample: QU7142021.exe Startdate: 14/07/2021 Architecture: WINDOWS Score: 100 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Yara detected AntiVM3 2->56 58 8 other signatures 2->58 10 QU7142021.exe 7 2->10         started        process3 file4 42 C:\Users\user\AppData\Roaming\cPGIaHAX.exe, PE32 10->42 dropped 44 C:\Users\...\cPGIaHAX.exe:Zone.Identifier, ASCII 10->44 dropped 46 C:\Users\user\AppData\Local\...\tmp2F46.tmp, XML 10->46 dropped 48 C:\Users\user\AppData\...\QU7142021.exe.log, ASCII 10->48 dropped 70 Uses schtasks.exe or at.exe to add and modify task schedules 10->70 72 Adds a directory exclusion to Windows Defender 10->72 74 Tries to detect virtualization through RDTSC time measurements 10->74 76 Injects a PE file into a foreign processes 10->76 14 QU7142021.exe 10->14         started        17 powershell.exe 24 10->17         started        19 powershell.exe 25 10->19         started        21 2 other processes 10->21 signatures5 process6 signatures7 78 Modifies the context of a thread in another process (thread injection) 14->78 80 Maps a DLL or memory area into another process 14->80 82 Sample uses process hollowing technique 14->82 84 Queues an APC in another process (thread injection) 14->84 23 explorer.exe 14->23 injected 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        33 conhost.exe 21->33         started        process8 dnsIp9 50 www.fullbramj.xyz 23->50 66 System process connects to network (likely due to code injection or exploit) 23->66 68 Performs DNS queries to domains with low reputation 23->68 35 wlanext.exe 23->35         started        signatures10 process11 signatures12 60 Modifies the context of a thread in another process (thread injection) 35->60 62 Maps a DLL or memory area into another process 35->62 64 Tries to detect virtualization through RDTSC time measurements 35->64 38 cmd.exe 35->38         started        process13 process14 40 conhost.exe 38->40         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-07-14 13:05:10 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.fullbramj.xyz/mej6/
Unpacked files
SH256 hash:
ba0c12fa4bf3caff847938f0cf4c4c65f0745afc6b6fe29eafc878b14486703c
MD5 hash:
15da0ed271f2f66e458345f9ec6c103b
SHA1 hash:
ecd5b8b8b0f6fd7c89e6db07f1391127d13b2e8f
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
f9747691aaa0ef265d94dd0bcb4db6904578407c91a6c7a486c5b02cd87817d2
MD5 hash:
1821af3831cbcdb8d89720479cda98db
SHA1 hash:
49c623138b7dd11570cfd3e28e3636e221789f60
SH256 hash:
10d3669b9b6d3e3ddaf78289a59b28482721eb26242c6251b695236f2a6a7d6e
MD5 hash:
cfe4c580af3f23f79a584eac4c455f63
SHA1 hash:
0afeca41d45a95cf94ef91bde9d9baa8e497eb5d
SH256 hash:
5f5257e30cfc2caab058013ffc60f90fb8a5d780a14834e1371054290b7658e4
MD5 hash:
b0e14c3526d6623ae9b7b5f5e0efde76
SHA1 hash:
f7d127bff2dfb1100ebd55fdd12dfb7a2b382fdc
SH256 hash:
1357e85e839e2ccd1128c409855469cc8367fb33ad606e3bd1ebd5eb08de39da
MD5 hash:
e09b0dc54b0f1a0503c10a1795a250b7
SHA1 hash:
186cae0deac5b50cbbbab1ef7c1e905094f39d7e
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
Distributed via e-mail link

Comments