MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d943cefcb20590a0e1f7c615f6900e258e42c58190f94418807c5556cff42065. 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: d943cefcb20590a0e1f7c615f6900e258e42c58190f94418807c5556cff42065
SHA3-384 hash: 5a8874b3cc902eb5190f6849d7d5c224939ae67326f7cc46303b8fe671cac2629dd564bf9f30b837914bfe4c8c06fba0
SHA1 hash: eb39f888c7354a65a665bbe13fbec8f18b168b5d
MD5 hash: 12801b963fa3dd5952b8f2e260462f4f
humanhash: dakota-mexico-rugby-maine
File name:QUOTE_44.EXE
Download: download sample
Signature Formbook
File size:960'000 bytes
First seen:2022-11-02 13:05:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:Lpu1j1A1opDE+Vzc+F2I1ZMQUE3bfeGv:LpuhS+pN14IHMQ/feGv
TLSH T1AD15023DF673EAACE81E4378257044115BF1EC3568AAEA6D29C133A90535743A19BCCF
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)
Reporter malwarelabnet
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
1
# of downloads :
240
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
QUOTE_44.EXE
Verdict:
Malicious activity
Analysis date:
2022-11-02 13:07:02 UTC
Tags:
formbook trojan 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
Launching a process
Forced system process termination
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
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 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 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)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 735954 Sample: QUOTE_44.EXE.exe Startdate: 02/11/2022 Architecture: WINDOWS Score: 100 31 www.giotquynhtuong.com 2->31 33 giotquynhtuong.com 2->33 35 www.vertiboard.live 2->35 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected AntiVM3 2->43 45 5 other signatures 2->45 9 QUOTE_44.EXE.exe 3 2->9         started        signatures3 process4 file5 23 C:\Users\user\...\QUOTE_44.EXE.exe.log, ASCII 9->23 dropped 55 Injects a PE file into a foreign processes 9->55 13 QUOTE_44.EXE.exe 9->13         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 13->57 59 Maps a DLL or memory area into another process 13->59 61 Sample uses process hollowing technique 13->61 63 Queues an APC in another process (thread injection) 13->63 16 explorer.exe 13->16 injected process9 dnsIp10 25 www.bb2365.com 142.4.104.243, 49700, 49701, 80 PEGTECHINCUS United States 16->25 27 giotquynhtuong.com 199.33.112.226, 49699, 80 CDSICA Canada 16->27 29 2 other IPs or domains 16->29 37 System process connects to network (likely due to code injection or exploit) 16->37 20 chkdsk.exe 13 16->20         started        signatures11 process12 signatures13 47 Tries to steal Mail credentials (via file / registry access) 20->47 49 Tries to harvest and steal browser information (history, passwords, etc) 20->49 51 Deletes itself after installation 20->51 53 2 other signatures 20->53
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-11-02 10:29:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
20 of 41 (48.78%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:s2h0 rat spyware stealer trojan
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
755e6197b1d72fe62fca73a58acb53563102ca253d46d9cba8e1d981265abcc7
MD5 hash:
9ebaa53e1efb405d04dc71662292b92b
SHA1 hash:
cb6bad75b4d3ea98c2770661312c0d637a1684bd
Detections:
XLoader win_formbook_auto win_formbook_g0
SH256 hash:
d322bad0857cba321a5dd0a793a1750fc7d03a16c0d1987e271fc1755219f2a9
MD5 hash:
90390b2065ae0f40b887a1f2c220e59f
SHA1 hash:
2ebe3683646c1f385760f417e3ac78c737a74273
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
SH256 hash:
8354a7ad0499febdd288542828ad0355dcb7054c0c518266208e571c5122b0c6
MD5 hash:
6bfc7ce9ec7891d9d8494454332099b5
SHA1 hash:
34fc8cebba035e2cc6d27d636f9655949080bf8e
SH256 hash:
bd1d28e1a04bcce828288995f5919fc1ebb321e9e46ad9be8fb2a87dffb1802a
MD5 hash:
2561e50baca5b0e275e60642b0c2f818
SHA1 hash:
13944a8d154866ecacffac7779b7213a8d21f39f
SH256 hash:
c5e15b12e73c3a9eacab656ed4bb3d8a9b428937805f919bdf5655f5b12237cf
MD5 hash:
92c2507049189304924f70c085e981e9
SHA1 hash:
02a1a9caaad4c8ca5b0e734adaf973ee83b7de15
SH256 hash:
d943cefcb20590a0e1f7c615f6900e258e42c58190f94418807c5556cff42065
MD5 hash:
12801b963fa3dd5952b8f2e260462f4f
SHA1 hash:
eb39f888c7354a65a665bbe13fbec8f18b168b5d
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.

Comments