MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3a279fbb001a0f54aec2c66148e1081d09be409973a9ca89b604c0a770699e1. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a3a279fbb001a0f54aec2c66148e1081d09be409973a9ca89b604c0a770699e1
SHA3-384 hash: 07021300ef0a19d487dd922b6f8dc7649959791e56fb550926908e4e6fd72d2ad42171906198c94488d0cc2af1be66f0
SHA1 hash: 60d97d739c28dfb7685110404fcfb46385b95f18
MD5 hash: f51777c40ebbd8f8e5eb32e96f6eaf01
humanhash: island-uniform-enemy-purple
File name:f51777c40ebbd8f8e5eb32e96f6eaf01
Download: download sample
Signature Formbook
Create hunting rule
File size:524'288 bytes
First seen:2022-11-14 07:59:42 UTC
Last seen:2022-11-14 09:41:04 UTC
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:Crds4/mq7OZPg4D/QcVr2kpUNSc148f+4wmkbZ307kyLL1XXMQ+o:54ul3DppUp1VdwmUkoyLJnM
Threatray 16'802 similar samples on MalwareBazaar
TLSH T10EB4121075B9AD5FCD7E87F59C222602A3F5B91F8036E2EDCCD454DE04E8B886521B8B
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon b078d4ccccdcf868 (7 x AgentTesla, 7 x Formbook, 5 x Loki)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
176
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
RFQ # 2075873.xls
Verdict:
Malicious activity
Analysis date:
2022-11-14 07:03:43 UTC
Tags:
macros opendir exploit cve-2017-11882 loader formbook trojan stealer
Link:
https://app.any.run/tasks/7587c129-7d17-46ec-af4a-38231d06e531

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/333640/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen3.24387.12122.22486.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6371f5864dc24c6f80b803dd/reports/51d373b6-d744-4684-99a4-58ba8e1493a4/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/72a35e36-e2f8-415b-8f73-e90e994193fd
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1112690
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in 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)
Multi AV Scanner detection for domain / URL
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: Scheduled temp file as task from temp location
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 745386 Sample: hb693qtEf3.exe Startdate: 14/11/2022 Architecture: WINDOWS Score: 100 54 Multi AV Scanner detection for domain / URL 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for URL or domain 2->58 60 7 other signatures 2->60 8 hb693qtEf3.exe 7 2->8         started        12 oHEybKcbxGKQPz.exe 5 2->12         started        process3 file4 40 C:\Users\user\AppData\...\oHEybKcbxGKQPz.exe, PE32 8->40 dropped 42 C:\...\oHEybKcbxGKQPz.exe:Zone.Identifier, ASCII 8->42 dropped 44 C:\Users\user\AppData\Local\...\tmp6539.tmp, XML 8->44 dropped 46 C:\Users\user\AppData\...\hb693qtEf3.exe.log, ASCII 8->46 dropped 70 Uses schtasks.exe or at.exe to add and modify task schedules 8->70 72 Adds a directory exclusion to Windows Defender 8->72 14 hb693qtEf3.exe 8->14         started        17 powershell.exe 21 8->17         started        19 schtasks.exe 1 8->19         started        74 Machine Learning detection for dropped file 12->74 76 Injects a PE file into a foreign processes 12->76 21 oHEybKcbxGKQPz.exe 12->21         started        23 schtasks.exe 1 12->23         started        signatures5 process6 signatures7 82 Modifies the context of a thread in another process (thread injection) 14->82 84 Maps a DLL or memory area into another process 14->84 86 Sample uses process hollowing technique 14->86 88 Queues an APC in another process (thread injection) 14->88 25 explorer.exe 14->25 injected 29 conhost.exe 17->29         started        31 conhost.exe 19->31         started        33 conhost.exe 23->33         started        process8 dnsIp9 48 hf9blwwuwpx7j8k.live 216.18.208.202, 49705, 80 WEBNXUS United States 25->48 50 natroredirect.natrocdn.com 85.159.66.93, 49707, 49708, 80 CIZGITR Turkey 25->50 52 3 other IPs or domains 25->52 78 System process connects to network (likely due to code injection or exploit) 25->78 80 Performs DNS queries to domains with low reputation 25->80 35 svchost.exe 13 25->35         started        38 cmd.exe 25->38         started        signatures10 process11 signatures12 62 Tries to steal Mail credentials (via file / registry access) 35->62 64 Tries to harvest and steal browser information (history, passwords, etc) 35->64 66 Modifies the context of a thread in another process (thread injection) 35->66 68 Maps a DLL or memory area into another process 35->68
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a3a279fbb001a0f54aec2c66148e1081d09be409973a9ca89b604c0a770699e1/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-11-14 07:46:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uorht65qagqpksxmfrtbjdqqqhijxzajs45jzke3mbgau5ygthqq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
233ecaf78b747568064dea934dd5cfca4b08dbded62c59185d567ab0c49de547
Formbook
32c5f893748d30548193994624dd516bf2bd343e03678a444e6f47d4123735fa
Formbook
718a4a857daa174f252381d376a10addf1dc549802443df0c55236db07745180
Formbook
b2608f7aff783392e20c8632e7a2b20ab8825a9f83778bf2d921eb7e55ff334a
Formbook
be9a528e67d3bf2dcd7acaaace72825a8702f13c39314499a839713c1cdd7cc9
Formbook
cf7453c66634ec6525211464e5156835d5c3f1fd6392a82c1eb6a4775b002ba6
Formbook
d19f13bfd493ae42b92d07e6acd8f6b3717ac5c52efb874fc9fcb75170be729d
Formbook
e9c40f56eab1da734e1ef7c7cbbc09ca703eec51751a9bdb1d1228d14d7e048a
Formbook
f4f18f2208a27cb71020f7c67aab26d48bae13ec457100da3157aff7ad1ac389
Formbook
+ 16'792 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:pgnt rat spyware stealer trojan
Link:
https://tria.ge/reports/221114-jvzv4sff99/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e6a2fe2e-4290-4242-8c49-c9cb4a11c6e9
Unpacked files
SH256 hash:
a64c3291537b61a8e347a958f83843793713596587c8021e0cdb313dab46ffee
MD5 hash:
47ebed7eb4048c6156ca473d1e870de7
SHA1 hash:
692039d66f71fdc81398b1129b165195303e4086
Detections:
XLoader
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/0d35e6cb-d3a6-4244-afe0-975a9aa461b1/
Parent samples :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 hash:
1dd741e15b6b62895a5a00735ec7f4bdc86a3285f087048a39df8a7fa33a74af
MD5 hash:
8f8b738d3a54b913894665bc2eb9989c
SHA1 hash:
85ad9f68794c4c560e540bf0325eea53a9903f97
Link:
https://www.unpac.me/results/0d35e6cb-d3a6-4244-afe0-975a9aa461b1/
SH256 hash:
5b4c5cf5eb3b1798846130fa9091b3d27c9d4e4a561ba864a600451b9ce821c9
MD5 hash:
e35264872a4c3eb9921020c9db19aa3e
SHA1 hash:
e07c45b0131970e61d9036ad4fe4d21c66267bc3
Link:
https://www.unpac.me/results/0d35e6cb-d3a6-4244-afe0-975a9aa461b1/
SH256 hash:
744928a56b4d36f17e73eea0534c5e99103d1553d5b0a864a6fd9d4f9899b47f
MD5 hash:
91fed5db1afcdf48e0cd6d4058a013ba
SHA1 hash:
3717b3346e25d3f66f00626ad1a771d8655f485f
Link:
https://www.unpac.me/results/0d35e6cb-d3a6-4244-afe0-975a9aa461b1/
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
Link:
https://www.unpac.me/results/0d35e6cb-d3a6-4244-afe0-975a9aa461b1/
SH256 hash:
8619566b22ffdf65997855136dbd370e0f76d42336bed4049d12b0b632c704f4
MD5 hash:
4aa6b4baf4285cec0111c452b441beb4
SHA1 hash:
16f3b2532de4715e2160083f2f7a3ec6243c9f54
Link:
https://www.unpac.me/results/0d35e6cb-d3a6-4244-afe0-975a9aa461b1/
SH256 hash:
a3a279fbb001a0f54aec2c66148e1081d09be409973a9ca89b604c0a770699e1
MD5 hash:
f51777c40ebbd8f8e5eb32e96f6eaf01
SHA1 hash:
60d97d739c28dfb7685110404fcfb46385b95f18
Link:
https://www.unpac.me/results/0d35e6cb-d3a6-4244-afe0-975a9aa461b1/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a3a279fbb001/report/overview.html
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/a3a279fbb001a0f54aec2c66148e1081d09be409973a9ca89b604c0a770699e1

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

Formbook

Executable exe a3a279fbb001a0f54aec2c66148e1081d09be409973a9ca89b604c0a770699e1

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/333640/

Comments


Avatar
zbet commented on 2022-11-14 07:59:43 UTC

url : hxxp://103.125.189.50/OneDrive/vbc.exe