MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e6bd5f8475731bcca5f6b74327a68ee4b7fa5b0662521feff1d92424da149151. 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 File information Comments

SHA256 hash: e6bd5f8475731bcca5f6b74327a68ee4b7fa5b0662521feff1d92424da149151
SHA3-384 hash: a1cf8a29781f440ebb7ecef50682b588d69b3a2f271ead3e77ff35cd88276038a54925e83fe1b450c765d2b334a5c1a0
SHA1 hash: ec072cb8cb67785ca7fba45d36c6264b7eed65cd
MD5 hash: 811ea41e60760a97b5f28973618728fe
humanhash: fruit-four-spaghetti-chicken
File name:Form_TT_EUR57,890.exe
Download: download sample
Signature Formbook
File size:702'464 bytes
First seen:2021-08-03 14:04:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1379487e213e9660a192f7f9b27f1132 (5 x RemcosRAT, 1 x Formbook, 1 x AveMariaRAT)
ssdeep 12288:CHuv6TaXda6yswPypNz+w5cUsCPFExCUaMliTE5pPYrfFyA:466ga6ys0Kz+wHpzUEoRYrt
Threatray 6'521 similar samples on MalwareBazaar
TLSH T1A2E48D62E1DBD5F2C12B12F41C47335CE266EA15290B9D8E6ED32F4C9BB05823079E5E
dhash icon 484a4c66d32e2e8a (11 x RemcosRAT, 2 x Formbook, 2 x BitRAT)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
155
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Form_TT_EUR57,890.xlsx
Verdict:
Malicious activity
Analysis date:
2021-08-03 12:43:53 UTC
Tags:
encrypted exploit CVE-2017-11882 loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:
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
Allocates memory in foreign processes
Antivirus detection for URL or domain
Creates a thread in another existing process (thread injection)
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 dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Execution from Suspicious Folder
Sigma detected: Suspicious Process Start Without DLL
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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
Uses netstat to query active network connections and open ports
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 458655 Sample: Form_TT_EUR57,890.exe Startdate: 03/08/2021 Architecture: WINDOWS Score: 100 91 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->91 93 Malicious sample detected (through community Yara rule) 2->93 95 Antivirus detection for URL or domain 2->95 97 6 other signatures 2->97 10 Form_TT_EUR57,890.exe 1 24 2->10         started        process3 dnsIp4 77 sn-files.fe.1drv.com 10->77 79 pxqklq.sn.files.1drv.com 10->79 81 onedrive.live.com 10->81 57 C:\Users\Public\Libraries\...\Fdhlajk.exe, PE32 10->57 dropped 121 Writes to foreign memory regions 10->121 123 Allocates memory in foreign processes 10->123 125 Creates a thread in another existing process (thread injection) 10->125 127 Injects a PE file into a foreign processes 10->127 15 logagent.exe 10->15         started        18 cmd.exe 1 10->18         started        20 cmd.exe 1 10->20         started        file5 signatures6 process7 signatures8 129 Modifies the context of a thread in another process (thread injection) 15->129 131 Maps a DLL or memory area into another process 15->131 133 Sample uses process hollowing technique 15->133 135 2 other signatures 15->135 22 explorer.exe 2 15->22 injected 26 reg.exe 1 18->26         started        28 conhost.exe 18->28         started        30 cmd.exe 1 20->30         started        32 conhost.exe 20->32         started        process9 dnsIp10 71 www.f9fui8.xyz 22->71 73 www.dragonshipping.com 86.105.245.69, 49762, 49774, 80 TRANSIP-ASAmsterdamtheNetherlandsNL Netherlands 22->73 75 20 other IPs or domains 22->75 115 System process connects to network (likely due to code injection or exploit) 22->115 117 Performs DNS queries to domains with low reputation 22->117 119 Uses netstat to query active network connections and open ports 22->119 34 Fdhlajk.exe 16 22->34         started        38 Fdhlajk.exe 16 22->38         started        40 rundll32.exe 22->40         started        46 4 other processes 22->46 42 conhost.exe 26->42         started        44 conhost.exe 30->44         started        signatures11 process12 dnsIp13 59 sn-files.fe.1drv.com 34->59 61 pxqklq.sn.files.1drv.com 34->61 63 onedrive.live.com 34->63 99 Multi AV Scanner detection for dropped file 34->99 101 Writes to foreign memory regions 34->101 103 Allocates memory in foreign processes 34->103 48 mshta.exe 34->48         started        65 sn-files.fe.1drv.com 38->65 67 pxqklq.sn.files.1drv.com 38->67 69 onedrive.live.com 38->69 105 Creates a thread in another existing process (thread injection) 38->105 107 Injects a PE file into a foreign processes 38->107 51 secinit.exe 38->51         started        109 Modifies the context of a thread in another process (thread injection) 40->109 111 Maps a DLL or memory area into another process 40->111 113 Tries to detect virtualization through RDTSC time measurements 40->113 53 cmd.exe 1 40->53         started        signatures14 process15 signatures16 83 Modifies the context of a thread in another process (thread injection) 48->83 85 Maps a DLL or memory area into another process 48->85 87 Sample uses process hollowing technique 48->87 89 Tries to detect virtualization through RDTSC time measurements 51->89 55 conhost.exe 53->55         started        process17
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2021-08-03 14:05:06 UTC
AV detection:
15 of 28 (53.57%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader loader persistence rat suricata
Behaviour
Suspicious use of WriteProcessMemory
Modifies registry key
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 SetThreadContext
Adds Run key to start application
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.mobiessence.com/6mam/
Unpacked files
SH256 hash:
c873bd224bbf6f82aa169f079016ebdf7690b40a7db5dd8cfefd26404a9d50ca
MD5 hash:
d328f4ade4dd3cd77b3c055c6a7a7937
SHA1 hash:
5d2437502c20efaadd44d27bd5f2f748bdb48512
SH256 hash:
e6bd5f8475731bcca5f6b74327a68ee4b7fa5b0662521feff1d92424da149151
MD5 hash:
811ea41e60760a97b5f28973618728fe
SHA1 hash:
ec072cb8cb67785ca7fba45d36c6264b7eed65cd
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

Formbook

Executable exe e6bd5f8475731bcca5f6b74327a68ee4b7fa5b0662521feff1d92424da149151

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments