MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d30f6c3814efbb4b2e5d9ae0f5d09a4a7ba04cc8a3456590d64cf9bfed279901. 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 4 File information Comments

SHA256 hash: d30f6c3814efbb4b2e5d9ae0f5d09a4a7ba04cc8a3456590d64cf9bfed279901
SHA3-384 hash: 79a3654eceee3b420e27a6164d500bb8f6b7d0b5357c325cc6c48bd52d151a3378bb224dcb9a960d4f51dc04b482968f
SHA1 hash: 70cfe869e9e32196c0ecdcc9106da2f6a64c09fb
MD5 hash: 2388f7145e8227797c2f91591d6dcedd
humanhash: march-yankee-four-missouri
File name:2388f7145e8227797c2f91591d6dcedd.exe
Download: download sample
Signature Formbook
File size:620'544 bytes
First seen:2021-08-09 15:06:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 444c9e9876d30a3abd127f3982410780 (2 x Formbook, 1 x RemcosRAT)
ssdeep 12288:AJcmVlal6KsEZRGNd9HPbjHQpVUFnLQFlLx5EFE6X:ghHKsEjGNdpbjwpVUVL6PO
Threatray 6'824 similar samples on MalwareBazaar
TLSH T116D47C52B6900F3BE16FF9B49C4645A4196BFE203D15ABD72BD82D4C7E3ABD23118093
dhash icon 12b232f2b98c8681 (12 x Formbook, 12 x RemcosRAT, 2 x AveMariaRAT)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
189
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RYP-210629.xlsx
Verdict:
Malicious activity
Analysis date:
2021-08-09 11:59:08 UTC
Tags:
encrypted exploit CVE-2017-11882 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
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Deleting a recently created file
Launching a process
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Sending a UDP request
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a system process
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
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Execution from Suspicious Folder
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 461869 Sample: u9Bt1oWLEW.exe Startdate: 09/08/2021 Architecture: WINDOWS Score: 100 62 www.hanasugisaki.com 2->62 64 www.candlewooddmc.com 2->64 66 2 other IPs or domains 2->66 100 Malicious sample detected (through community Yara rule) 2->100 102 Multi AV Scanner detection for submitted file 2->102 104 Yara detected FormBook 2->104 106 Sigma detected: Execution from Suspicious Folder 2->106 11 u9Bt1oWLEW.exe 1 24 2->11         started        signatures3 process4 dnsIp5 86 sn-files.fe.1drv.com 11->86 88 pxoeww.sn.files.1drv.com 11->88 90 onedrive.live.com 11->90 60 C:\Users\Public\Libraries\...\Tiidiqv.exe, PE32 11->60 dropped 134 Writes to foreign memory regions 11->134 136 Allocates memory in foreign processes 11->136 138 Creates a thread in another existing process (thread injection) 11->138 140 Injects a PE file into a foreign processes 11->140 16 mshta.exe 11->16         started        19 cmd.exe 1 11->19         started        21 cmd.exe 1 11->21         started        file6 signatures7 process8 signatures9 92 Modifies the context of a thread in another process (thread injection) 16->92 94 Maps a DLL or memory area into another process 16->94 96 Sample uses process hollowing technique 16->96 98 2 other signatures 16->98 23 explorer.exe 4 2 16->23 injected 27 conhost.exe 19->27         started        29 cmd.exe 1 19->29         started        31 reg.exe 1 21->31         started        33 conhost.exe 21->33         started        process10 dnsIp11 80 sublos.com 63.215.181.213, 49739, 80 sun-asnSC United States 23->80 82 www.sublos.com 23->82 84 www.paypalticket5396173.info 23->84 132 System process connects to network (likely due to code injection or exploit) 23->132 35 Tiidiqv.exe 16 23->35         started        39 Tiidiqv.exe 16 23->39         started        41 cmmon32.exe 23->41         started        43 wscript.exe 23->43         started        45 conhost.exe 27->45         started        47 conhost.exe 29->47         started        49 conhost.exe 31->49         started        signatures12 process13 dnsIp14 68 sn-files.fe.1drv.com 35->68 70 pxoeww.sn.files.1drv.com 35->70 72 onedrive.live.com 35->72 116 Multi AV Scanner detection for dropped file 35->116 118 Writes to foreign memory regions 35->118 120 Allocates memory in foreign processes 35->120 51 DpiScaling.exe 35->51         started        74 sn-files.fe.1drv.com 39->74 76 pxoeww.sn.files.1drv.com 39->76 78 onedrive.live.com 39->78 122 Creates a thread in another existing process (thread injection) 39->122 124 Injects a PE file into a foreign processes 39->124 54 logagent.exe 39->54         started        126 Modifies the context of a thread in another process (thread injection) 41->126 128 Maps a DLL or memory area into another process 41->128 130 Tries to detect virtualization through RDTSC time measurements 41->130 56 cmd.exe 1 41->56         started        signatures15 process16 signatures17 108 Modifies the context of a thread in another process (thread injection) 51->108 110 Maps a DLL or memory area into another process 51->110 112 Sample uses process hollowing technique 51->112 114 Tries to detect virtualization through RDTSC time measurements 54->114 58 conhost.exe 56->58         started        process18
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2021-08-09 13:04:01 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:6mam loader persistence rat suricata
Behaviour
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 WriteProcessMemory
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:
d51b558b090541ad1956bb672de7f1768885e4e52e3eba41eb8908a30fd23332
MD5 hash:
e50850c0238d88fd0dd6fb2593708563
SHA1 hash:
7ab73d9a646b96e7a40ad3e64ba86526fbaebac7
SH256 hash:
452778f79a6ea3e90b0d0e339fbfc0df85331e16f690bffb7728cc7c46e5f6fb
MD5 hash:
66605e568e2d0591fe4642c63071f74b
SHA1 hash:
b70d596510b42f56c0335092a51f193c70a32b94
SH256 hash:
795b2b5d6668147d7924ac96f90741ddc2a2b5003f455fb842b613a286fbf8fc
MD5 hash:
53011b69a7231aea23d66805a681144b
SHA1 hash:
e3d0d157e763c865e79ccc5bedc2fd5fd90413f7
SH256 hash:
d30f6c3814efbb4b2e5d9ae0f5d09a4a7ba04cc8a3456590d64cf9bfed279901
MD5 hash:
2388f7145e8227797c2f91591d6dcedd
SHA1 hash:
70cfe869e9e32196c0ecdcc9106da2f6a64c09fb
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_EXE_UACBypass_EnvVarScheduledTasks
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC (ab)using Environment Variables in Scheduled Tasks
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:Detects win.formbook.

File information


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

Web download

Formbook

Executable exe d30f6c3814efbb4b2e5d9ae0f5d09a4a7ba04cc8a3456590d64cf9bfed279901

(this sample)

  
Delivery method
Distributed via web download

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