MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e0049227c1a82ac9ac8cf1ad3b265a4ede2dbb376e90af23dcc9834bb2b1c32e. 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 1 File information Comments

SHA256 hash: e0049227c1a82ac9ac8cf1ad3b265a4ede2dbb376e90af23dcc9834bb2b1c32e
SHA3-384 hash: 194073f98081a44ecffb69dc7ee7e3c583761296d7a9e6a4ca9dad6e5ec1e3eaeeb5431fcc41828fb7c39952050e353e
SHA1 hash: 49a6a5773bb72a4cc8cc0338365fdd8b7ce6f38a
MD5 hash: b5a3a2bb77f27cc5a51d582d4f35e7a0
humanhash: tennessee-lake-august-diet
File name:Purchase Contract#436564.exe
Download: download sample
Signature Formbook
File size:667'029 bytes
First seen:2023-01-03 07:42:53 UTC
Last seen:2023-01-03 09:32:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:WYa6TckK9k9MWbdTDZvJw7qeYL2NLWb29fBAnzeEafC8TkWmmtmDEFgHR7:WY9B9MePZvJ6wLA6CNB2LaYWRta
TLSH T19CE4612B870AD34FD46C093C443D94F5205BAD3ECFA963ACA6E5F2A9193FE531A34911
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 62d28ab6989c9ca2 (2 x DarkCloud, 1 x Formbook, 1 x AgentTesla)
Reporter 0xToxin
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
179
Origin country :
IL IL
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Purchase Contract#436564.exe
Verdict:
Malicious activity
Analysis date:
2023-01-03 07:43:12 UTC
Tags:
trojan formbook 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 file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
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
Antivirus detection for URL or domain
Contains functionality to detect sleep reduction / modifications
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 dropped file
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: 777170 Sample: Purchase Contract#436564.exe Startdate: 03/01/2023 Architecture: WINDOWS Score: 100 30 www.chaatfunnnet.skin 2->30 32 chaatfunnnet.skin 2->32 48 Snort IDS alert for network traffic 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus detection for URL or domain 2->52 54 3 other signatures 2->54 10 Purchase Contract#436564.exe 19 2->10         started        signatures3 process4 file5 28 C:\Users\user\AppData\...\rqvtxxgmxu.exe, PE32 10->28 dropped 13 rqvtxxgmxu.exe 1 10->13         started        process6 signatures7 68 Machine Learning detection for dropped file 13->68 70 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 13->70 72 Maps a DLL or memory area into another process 13->72 74 Contains functionality to detect sleep reduction / modifications 13->74 16 rqvtxxgmxu.exe 13->16         started        19 conhost.exe 13->19         started        process8 signatures9 40 Modifies the context of a thread in another process (thread injection) 16->40 42 Maps a DLL or memory area into another process 16->42 44 Sample uses process hollowing technique 16->44 46 Queues an APC in another process (thread injection) 16->46 21 explorer.exe 16->21 injected process10 dnsIp11 34 sportschamp.net 192.185.51.85, 49720, 49721, 49722 UNIFIEDLAYER-AS-1US United States 21->34 36 www.oktbvector.ru 91.189.114.19, 49729, 49730, 49731 RU-CENTERRU Russian Federation 21->36 38 6 other IPs or domains 21->38 56 System process connects to network (likely due to code injection or exploit) 21->56 58 Performs DNS queries to domains with low reputation 21->58 25 wscript.exe 13 21->25         started        signatures12 process13 signatures14 60 Tries to steal Mail credentials (via file / registry access) 25->60 62 Tries to harvest and steal browser information (history, passwords, etc) 25->62 64 Modifies the context of a thread in another process (thread injection) 25->64 66 Maps a DLL or memory area into another process 25->66
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-01-03 01:37:56 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
Gathers network information
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
Executes dropped EXE
Unpacked files
SH256 hash:
dc37402b8eff0dd674a03eb108def78169a703541b3737210da9df024b6b9747
MD5 hash:
7797ea1948254cd71566d26acf6ffb3c
SHA1 hash:
97820ba881fbacd13d63581dd1e0a560e8d4c501
Detections:
win_formbook_auto win_formbook_g0
SH256 hash:
d0e8696cc7469ad776a1790d9ded61c74d1e78a069f8b8be6da46ac247e8b1d6
MD5 hash:
1f0c2b5aa09e7218e56777c4cb5ca65d
SHA1 hash:
49d7624d8067a8d622418d97888d052826c9b169
SH256 hash:
446cd7a02d2a607d7343f5ece2325d07392a282497e17b699f8492804d8c7b70
MD5 hash:
0bbd9e5455fd2a5462a251a2a209569d
SHA1 hash:
d5b8112de33509e69244b2fc545cc8233222f028
SH256 hash:
e0049227c1a82ac9ac8cf1ad3b265a4ede2dbb376e90af23dcc9834bb2b1c32e
MD5 hash:
b5a3a2bb77f27cc5a51d582d4f35e7a0
SHA1 hash:
49a6a5773bb72a4cc8cc0338365fdd8b7ce6f38a
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

File information


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

Comments