MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f1cb8bd9cdf78abe8ebb1fdffe785c8a681f3c984c5f06a77b7de74934c64aa3. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: f1cb8bd9cdf78abe8ebb1fdffe785c8a681f3c984c5f06a77b7de74934c64aa3
SHA3-384 hash: bd1f00a5043e2c5062c5aeefcfb53e3f5744c7537497b8b232abd257b9c783ab0f02aa66957c4d943e009808acab039b
SHA1 hash: 30eed15de6a8f94d8dd557b7443edb70d8170a94
MD5 hash: bac08de138a8d2e74a66156c8d8b42f6
humanhash: iowa-orange-idaho-princess
File name:HiU4VL9BMkwVhsG.exe
Download: download sample
Signature Formbook
File size:998'912 bytes
First seen:2023-02-14 14:57:30 UTC
Last seen:2023-02-14 16:34:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:oj2t7fueDyKQPSDQzFbri+FRYOUhTbkMgcM9FDUpsLEev:w2Jueejz4+FRwvkMgc052OEe
TLSH T1442512A6F2D6CEF1CCC91A72C4F24C3013F19E4A50A3D71CB9817261ADB73D0AE559A9
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon ecf0c68ac2c298f2 (60 x SnakeKeylogger, 14 x Formbook, 6 x AgentTesla)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
201
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
HiU4VL9BMkwVhsG.exe
Verdict:
Malicious activity
Analysis date:
2023-02-14 14:59:58 UTC
Tags:
formbook xloader trojan stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Unauthorized injection to a system process
Gathering data
Result
Verdict:
MALICIOUS
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
Injects a PE file into a foreign processes
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 807324 Sample: HiU4VL9BMkwVhsG.exe Startdate: 14/02/2023 Architecture: WINDOWS Score: 100 31 www.qrumfordauthor.com 2->31 35 Multi AV Scanner detection for domain / URL 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus detection for URL or domain 2->39 41 5 other signatures 2->41 9 HiU4VL9BMkwVhsG.exe 3 2->9         started        signatures3 process4 file5 23 C:\Users\user\...\HiU4VL9BMkwVhsG.exe.log, ASCII 9->23 dropped 51 Injects a PE file into a foreign processes 9->51 13 HiU4VL9BMkwVhsG.exe 9->13         started        signatures6 process7 signatures8 53 Modifies the context of a thread in another process (thread injection) 13->53 55 Maps a DLL or memory area into another process 13->55 57 Sample uses process hollowing technique 13->57 59 Queues an APC in another process (thread injection) 13->59 16 explorer.exe 1 13->16 injected process9 dnsIp10 25 www.iaaconsultants.com 156.254.170.153, 49713, 49714, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 16->25 27 www.lgcypowernc.com 74.220.199.6, 49706, 80 UNIFIEDLAYER-AS-1US United States 16->27 29 2 other IPs or domains 16->29 33 System process connects to network (likely due to code injection or exploit) 16->33 20 colorcpl.exe 13 16->20         started        signatures11 process12 signatures13 43 Tries to steal Mail credentials (via file / registry access) 20->43 45 Tries to harvest and steal browser information (history, passwords, etc) 20->45 47 Deletes itself after installation 20->47 49 2 other signatures 20->49
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-02-11 20:43:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
23 of 37 (62.16%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:g44n rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
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
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Formbook
Unpacked files
SH256 hash:
e7242ae1cd799ea3200b7705221fdddd8abf588e87215a28057e02135bf547ad
MD5 hash:
6b1c0c833df93681eafdcf57072e8075
SHA1 hash:
5081196e5fd1e90c7564ce07096baf4668bbc3fc
Detections:
XLoader win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
59bcd4203167ab824809004c0f4030f58acbd7c4f382b6e2d5f0c5695a71e170
MD5 hash:
3820d6b49c5470a173913d3933e38cff
SHA1 hash:
563a66c1ccd79d751de8b717f050300bdbf776db
SH256 hash:
c955bf322d76c4e302ec25c8503cd066844ab6ba4788d9a219666e6fa631d5ee
MD5 hash:
ffb7915885c4893253181af8207a9d01
SHA1 hash:
e31c7d2944416a70202a7eb52a4dff055a5b6349
SH256 hash:
26b4d23d2a01cd3342a8b6f1c13e7ab7ef11c2d696fe168434a755aea5733a14
MD5 hash:
9547e1548e893ff845e6515b04ff098b
SHA1 hash:
e2fb00f1349563be257322fdcb3a2c01d006e87a
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
SH256 hash:
46cb32256dba295b72212185d3bf29e54de9f78fe32a8e43c82288285c3bf721
MD5 hash:
453d8d23d417dacecac4ad0235d2b420
SHA1 hash:
6aaffef79f32f151aef9d5c548ac9055ea6c2f35
SH256 hash:
f1cb8bd9cdf78abe8ebb1fdffe785c8a681f3c984c5f06a77b7de74934c64aa3
MD5 hash:
bac08de138a8d2e74a66156c8d8b42f6
SHA1 hash:
30eed15de6a8f94d8dd557b7443edb70d8170a94
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
Other

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