MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a164652a4336afd460b41b4b744547c5f7999e35ae5b8ccf1abbc6bb2d2c5a32. 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

SHA256 hash: a164652a4336afd460b41b4b744547c5f7999e35ae5b8ccf1abbc6bb2d2c5a32
SHA3-384 hash: 9f8729f2cfff2684d065914eccbe88078c484571317bacbe57a0e29fada1306eb790140ea04b9f6a04d1630e6173d216
SHA1 hash: 645b8308c99bbfa5da61478ed17f6b143ea8d94a
MD5 hash: ef8e7da383b8604b3341909a02d937f9
humanhash: mars-earth-kitten-quebec
File name:Proforma Invoice.exe
Download: download sample
Signature Formbook
File size:260'267 bytes
First seen:2023-07-17 15:57:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya6kT8WJCaOSkjhW2vPk2Lz+w4oGDVP8RMX8pnmJTyT:/YiT8LvSkjh9LLoumXUmJa
Threatray 3'300 similar samples on MalwareBazaar
TLSH T103441246B9E4D05BDCA242B2AF7F1B6A97A5A91725240B0333019FD97976393880F733
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
282
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Proforma Invoice.exe
Verdict:
Suspicious activity
Analysis date:
2023-07-17 16:00:22 UTC
Tags:
n/a

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

Behaviour
Сreating synchronization primitives
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a file
Unauthorized injection to a recently created process
Restart of the analyzed sample
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control lolbin masquerade overlay packed shell32
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:
NSISDropper, FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample has a suspicious name (potential lure to open the executable)
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.GuLoader
Status:
Malicious
First seen:
2023-07-16 23:20:22 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
24 of 37 (64.86%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Unpacked files
SH256 hash:
039e72b646c8abf541b7d6d87e393c5c634fae83309758ee83ae159534691481
MD5 hash:
17eb09e5a18258bbb42396bb29e0a6d0
SHA1 hash:
69658d2a564ebab1586933530eb877826b556c4e
Detections:
XLoader win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
fc67477ee9b396d44ec8e8f94b0e666e15bb105bfc00515cba09d9c33c7357f7
MD5 hash:
b0464ea85f8c39a0971ee714e66eebd7
SHA1 hash:
a60ce444bd774347a40a53ed0b3999b513fb19e7
SH256 hash:
5cd6a707f12450e3effde9db7b4e4d764dd907522995ae9e9964a064d1d9eff2
MD5 hash:
01415eec4f4b8a3164d2ae1608d8872a
SHA1 hash:
59af6aa4bf2dc572f7303a9a3bf3ab3437abe95d
SH256 hash:
a164652a4336afd460b41b4b744547c5f7999e35ae5b8ccf1abbc6bb2d2c5a32
MD5 hash:
ef8e7da383b8604b3341909a02d937f9
SHA1 hash:
645b8308c99bbfa5da61478ed17f6b143ea8d94a
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:meth_get_eip
Author:Willi Ballenthin
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


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

  
Delivery method
Other

Comments