MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a7826e3a413ce0f8542b99933a8efd8ed5d7cf7ee293c6c99fe1ed74bdd50d5. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 7a7826e3a413ce0f8542b99933a8efd8ed5d7cf7ee293c6c99fe1ed74bdd50d5
SHA3-384 hash: 08494f14b4dc77f211f27aa801744346c61ae899f94089f2ac05d82dca36fdc5a14513aede7f89aa3b1b028adec7557a
SHA1 hash: b8410d11945497b3d21df309c370734a07aa29a9
MD5 hash: 9f6f14e97155618a5b32031291a9b512
humanhash: pluto-football-paris-rugby
File name:file
Download: download sample
Signature Formbook
File size:832'512 bytes
First seen:2023-04-06 12:20:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:w5Eo2iNRVDubFSsXp4spKhrJ3eCFDokwHOYnfVMm7FAkojBa/Uyc:Ro1+YsXaspKhrJOoDjenfVr7Kk1
Threatray 2'490 similar samples on MalwareBazaar
TLSH T1C6057B511D6645C2C8B90FB444B97A4807B4AC93CFE0903E7D82797E8FF6B5B948A3D2
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 d2e8ecb2b2a2b282 (106 x AgentTesla, 106 x Formbook, 24 x RedLineStealer)
Reporter jstrosch
Tags:.NET exe FormBook MSIL

Intelligence


File Origin
# of uploads :
1
# of downloads :
280
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order PO4628.xls
Verdict:
Malicious activity
Analysis date:
2023-04-06 06:56:16 UTC
Tags:
opendir exploit cve-2017-11882 loader

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
Launching a process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
barys comodo lokibot 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 method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
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: 842575 Sample: file.exe Startdate: 06/04/2023 Architecture: WINDOWS Score: 100 31 www.kmreel.com 2->31 37 Snort IDS alert for network traffic 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 5 other signatures 2->43 9 file.exe 3 2->9         started        signatures3 process4 file5 23 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 9->23 dropped 53 Injects a PE file into a foreign processes 9->53 13 file.exe 9->13         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 13->55 57 Maps a DLL or memory area into another process 13->57 59 Sample uses process hollowing technique 13->59 61 Queues an APC in another process (thread injection) 13->61 16 explorer.exe 1 1 13->16 injected process9 dnsIp10 25 www.thuorig.life 184.94.212.57, 49707, 49708, 80 VXCHNGE-NC01US United States 16->25 27 yourbestversioneua.com 108.179.252.69, 49705, 49706, 80 UNIFIEDLAYER-AS-1US United States 16->27 29 20 other IPs or domains 16->29 33 System process connects to network (likely due to code injection or exploit) 16->33 35 Performs DNS queries to domains with low reputation 16->35 20 wlanext.exe 13 16->20         started        signatures11 process12 signatures13 45 Tries to steal Mail credentials (via file / registry access) 20->45 47 Tries to harvest and steal browser information (history, passwords, etc) 20->47 49 Modifies the context of a thread in another process (thread injection) 20->49 51 Maps a DLL or memory area into another process 20->51
Threat name:
ByteCode-MSIL.Trojan.Remcos
Status:
Malicious
First seen:
2023-04-06 04:53:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
spyware stealer
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
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Unpacked files
SH256 hash:
474cad2073158b27d48c21a937f2db748993c19aede7e60d7d019e8d87a61c70
MD5 hash:
ef3599037621d0f4f9e2aa7559df2ff1
SHA1 hash:
1931d6a658f0d9cdb9f22ca34efe3c15979bbb5b
SH256 hash:
432f83f52546e17bf31aec2d6bf6507dcbb0acdb4cb12a61d256ea5c333eeaf4
MD5 hash:
44a5749013e4ec53901bd4facd78cc9f
SHA1 hash:
ea62ebe9d51039adf2531eda6d42373a0d04f464
SH256 hash:
78263b569d4f9ed2016bd9c29718f62e55413cd4ca0106295c0443fafdc085d5
MD5 hash:
aef59f95e1a844e2551c8f3b4ef5a3b8
SHA1 hash:
d93e7ad3d586dfdee6b1c99db9237760671dd928
SH256 hash:
377d6b349d1c48debdaf7cd27fd471412a507ae4bbf022f989be46977fde0eb9
MD5 hash:
3157356405b5083cb0cd1360177493d2
SHA1 hash:
f5575b93ba8e44f654b1f6caf6dee18fa8af151f
SH256 hash:
e4d31566911afa29b5d1c243e399e037817852706546574c33618d2f55e04a1a
MD5 hash:
45dd6313cdf4ccb1cacac5aea13e6f65
SHA1 hash:
a0d46bbbb71a9896a9b84495617252691dfd5b3b
SH256 hash:
7a7826e3a413ce0f8542b99933a8efd8ed5d7cf7ee293c6c99fe1ed74bdd50d5
MD5 hash:
9f6f14e97155618a5b32031291a9b512
SHA1 hash:
b8410d11945497b3d21df309c370734a07aa29a9
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.

Web download

Formbook

Executable exe 7a7826e3a413ce0f8542b99933a8efd8ed5d7cf7ee293c6c99fe1ed74bdd50d5

(this sample)

  
Delivery method
Distributed via web download

Comments