MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 444975c8ad5b7502007aea3b52d6acd7ec21e9d8b93a2549f78fd1c416ebecd4. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 444975c8ad5b7502007aea3b52d6acd7ec21e9d8b93a2549f78fd1c416ebecd4
SHA3-384 hash: 9253f56d69bbafc299c7c3cc38e395714dcac8e86739cef06ff39526288b6f518a5c9b23fad840c07e58a24274c1c871
SHA1 hash: 86c40d50ac05c8052c0aa463dd14f5675f56b737
MD5 hash: 69090f8ff022f9a857d2177fb11b2fff
humanhash: delaware-glucose-beer-oscar
File name:69090f8ff022f9a857d2177fb11b2fff.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'757'184 bytes
First seen:2021-02-07 16:07:35 UTC
Last seen:2021-02-07 17:50:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 6144:5biKRiILS6x/PNYfsBytfNFLxKpUB7f4/8KVBdPKONA6bc7pQWu4na7t1qLfSel6:b
Threatray 3'849 similar samples on MalwareBazaar
TLSH 04851F715D334DD5E6EAD4830C8BF0CAABF64B54B4983A243CACC79740176888A56F7B
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
180
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
69090f8ff022f9a857d2177fb11b2fff.exe
Verdict:
Malicious activity
Analysis date:
2021-02-07 16:12:06 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/05285477-8ec1-4d4b-b45c-b1a548512043

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
DLAgent02
Create hunting rule
Link:
https://www.capesandbox.com/analysis/115986/
Detection(s):
SecuriteInfo.com.Artemis69090F8FF022.27375.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Launching a process
Creating a process with a hidden window
Sending a UDP request
Unauthorized injection to a recently created process
Adding an access-denied ACE
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Enabling autorun
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
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/601314
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to hide a thread from the debugger
Creates an undocumented autostart registry key
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Drops PE files to the startup folder
Found malware configuration
Hides threads from debuggers
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)
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 FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 349676 Sample: 8nxKYwJna8.exe Startdate: 07/02/2021 Architecture: WINDOWS Score: 100 96 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->96 98 Found malware configuration 2->98 100 Malicious sample detected (through community Yara rule) 2->100 102 5 other signatures 2->102 10 8nxKYwJna8.exe 3 5 2->10         started        process3 file4 84 C:\Users\user\AppData\...\8nxKYwJna8.exe, PE32 10->84 dropped 86 C:\Users\...\8nxKYwJna8.exe:Zone.Identifier, ASCII 10->86 dropped 116 Creates an undocumented autostart registry key 10->116 118 Creates autostart registry keys with suspicious names 10->118 120 Creates multiple autostart registry keys 10->120 122 5 other signatures 10->122 14 8nxKYwJna8.exe 10->14         started        17 WerFault.exe 23 9 10->17         started        20 cmd.exe 1 10->20         started        22 2 other processes 10->22 signatures5 process6 file7 130 Modifies the context of a thread in another process (thread injection) 14->130 132 Maps a DLL or memory area into another process 14->132 134 Sample uses process hollowing technique 14->134 136 Queues an APC in another process (thread injection) 14->136 24 explorer.exe 2 14->24 injected 80 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 17->80 dropped 28 conhost.exe 20->28         started        30 timeout.exe 1 20->30         started        32 conhost.exe 22->32         started        34 timeout.exe 1 22->34         started        signatures8 process9 dnsIp10 90 cp-103ly.internet7.vip 156.238.15.111, 49778, 80 RBNETRBNETCoLtdJP Seychelles 24->90 92 fixmygearfast.com 160.153.136.3, 49775, 80 GODADDY-AMSDE United States 24->92 94 15 other IPs or domains 24->94 114 System process connects to network (likely due to code injection or exploit) 24->114 36 8nxKYwJna8.exe 3 24->36         started        39 chkdsk.exe 24->39         started        41 8nxKYwJna8.exe 24->41         started        43 8nxKYwJna8.exe 3 24->43         started        signatures11 process12 signatures13 104 Hides threads from debuggers 36->104 106 Injects a PE file into a foreign processes 36->106 45 8nxKYwJna8.exe 36->45         started        48 WerFault.exe 36->48         started        52 cmd.exe 1 36->52         started        54 cmd.exe 36->54         started        108 Modifies the context of a thread in another process (thread injection) 39->108 110 Maps a DLL or memory area into another process 39->110 112 Tries to detect virtualization through RDTSC time measurements 39->112 56 cmd.exe 41->56         started        58 cmd.exe 43->58         started        60 cmd.exe 43->60         started        process14 dnsIp15 124 Modifies the context of a thread in another process (thread injection) 45->124 126 Maps a DLL or memory area into another process 45->126 128 Sample uses process hollowing technique 45->128 88 192.168.2.1 unknown unknown 48->88 82 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 48->82 dropped 62 conhost.exe 52->62         started        64 timeout.exe 1 52->64         started        66 conhost.exe 54->66         started        68 timeout.exe 54->68         started        70 conhost.exe 56->70         started        72 timeout.exe 56->72         started        74 conhost.exe 58->74         started        76 timeout.exe 58->76         started        78 conhost.exe 60->78         started        file16 signatures17 process18
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/444975c8ad5b7502007aea3b52d6acd7ec21e9d8b93a2549f78fd1c416ebecd4/
Threat name:
ByteCode-MSIL.Infostealer.Tepfer
Create hunting rule
Status:
Malicious
First seen:
2021-02-07 16:08:10 UTC
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1ade8e9c697c91b31ad76389a10e95c229eb05359a1dd70358be045199ff77a4
Formbook
23d45e8af999c98cf3f241fe633ea391f057fe2223ca01a1d403906309defddc
Formbook
285b8a6638f87b87204ba68570315a41570229ce3f7ecb2014437aee9e0d5875
Formbook
2d876129c69f0f4be0c87aeb20cdc38ae8f5db29bea6f87807946b89e0b61a50
Formbook
45edd72b7b04c327b5c5278a3074d6e0bccbdf2ece95c524f1e5342bd6910dcf
Formbook
486035f5d7f5cffc2c03aee2ecb06252449dc9330cae4b8fb35662010f59eab8
Formbook
549de81621fd5e577a164009e14fe791e2099b1a985fe37739801fdf156800b8
Formbook
a80553f1c2dcc35c48adf765bbb4f695d9d3c47d57ab0e47e4e8118588466731
Formbook
b4db045a825affb493b9ecf2155047996fe2dd6f85db26a79070c7fd78fa60e9
Formbook
d1a94322d53165f8a59fb1ba9309872100d115f0119dbf6892f75267c45dca92
Formbook
+ 3'839 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader loader persistence ransomware rat spyware stealer trojan
Link:
https://tria.ge/reports/210207-t9l2zjfkgs/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
Xloader Payload
Formbook
Modifies WinLogon for persistence
Xloader
Malware Config
C2 Extraction:
http://www.herbmedia.net/csv8/
Unpacked files
SH256 hash:
b99ac57b055db01768c0f5aed0e22ddef84b71e9d3267832bdbd730b34c410eb
MD5 hash:
5b5851a858f2202e5afbd9090e24fe70
SHA1 hash:
2e94925b86d00fb9e99c7d76c64ebc4054a69d82
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/df584642-4c9f-4d4a-bbe0-fe5567dbdcc8/
SH256 hash:
fa3bcf7913dbb1e008ac13a30c801a400e8598204202ac4186bab61ccf98d98f
MD5 hash:
d58ac06c991d9c70ea8c0ddc81b67749
SHA1 hash:
293431bee2dc9aa62a643a188a28926b8686397b
Link:
https://www.unpac.me/results/df584642-4c9f-4d4a-bbe0-fe5567dbdcc8/
SH256 hash:
444975c8ad5b7502007aea3b52d6acd7ec21e9d8b93a2549f78fd1c416ebecd4
MD5 hash:
69090f8ff022f9a857d2177fb11b2fff
SHA1 hash:
86c40d50ac05c8052c0aa463dd14f5675f56b737
Link:
https://www.unpac.me/results/df584642-4c9f-4d4a-bbe0-fe5567dbdcc8/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/444975c8ad5b7502007aea3b52d6acd7ec21e9d8b93a2549f78fd1c416ebecd4

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:MALWARE_Win_DLAgent02
Create hunting rule
Author:ditekSHen
Description:Detects known downloader agent downloading encoded binaries in patches from paste-like websites, most notably hastebin

File information

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

Web download

Formbook

Executable exe 444975c8ad5b7502007aea3b52d6acd7ec21e9d8b93a2549f78fd1c416ebecd4

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/115986/
  
URLhaus
https://urlhaus.abuse.ch/url/948953/
  
Delivery method
Distributed via web download

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