MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e099dee4b6248ffd4a4a86bee02311e91b065143138b6bd87e1fb5bb882bcd7. 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 File information Comments

SHA256 hash: 4e099dee4b6248ffd4a4a86bee02311e91b065143138b6bd87e1fb5bb882bcd7
SHA3-384 hash: 1180906ad70ef4dfb63d60d4f830200d485a508ba3a6bf2f491fb8388d914c6865ca960de78248d9df78c286da1d3d81
SHA1 hash: d0b980c107e2e20f9494b7fa534366db2a7e9a78
MD5 hash: d7647797381bfa84ccd377fb5d1a6f34
humanhash: oxygen-kentucky-gee-nebraska
File name:Grafinger-CVE2-530334.exe
Download: download sample
Signature Formbook
File size:298'315 bytes
First seen:2022-11-22 09:28:14 UTC
Last seen:2022-11-23 02:57:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 6144:+Ea0JTBoewUWcWkZGdREaQlCT/T++K3l5tP:lTBXwUWlk84tsC+AV
Threatray 19'011 similar samples on MalwareBazaar
TLSH T1F75402329150ABA6DAC36F74CC6EBB3FC36E9E4501640193C7AC3B765EF02D7581624A
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 125ad212e9cd3682 (40 x AgentTesla, 21 x Loki, 19 x Heodo)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
255
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Grafinger-CVE2-530334.exe
Verdict:
Malicious activity
Analysis date:
2022-11-22 09:29:14 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 file in the %temp% directory
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Searching for the window
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
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
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Machine Learning detection for dropped file
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 dropped file
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: 751553 Sample: Grafinger-CVE2-530334.exe Startdate: 22/11/2022 Architecture: WINDOWS Score: 100 47 www.yogaguerilla.com 2->47 63 Malicious sample detected (through community Yara rule) 2->63 65 Antivirus detection for URL or domain 2->65 67 Multi AV Scanner detection for submitted file 2->67 69 3 other signatures 2->69 11 Grafinger-CVE2-530334.exe 18 2->11         started        signatures3 process4 file5 43 C:\Users\user\AppData\Local\Temp\zyvnwa.exe, PE32 11->43 dropped 14 zyvnwa.exe 1 3 11->14         started        process6 file7 45 C:\Users\user\AppData\...\ijykjqpxoqu.exe, PE32 14->45 dropped 85 Multi AV Scanner detection for dropped file 14->85 87 Machine Learning detection for dropped file 14->87 89 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 14->89 91 Maps a DLL or memory area into another process 14->91 18 zyvnwa.exe 14->18         started        21 conhost.exe 14->21         started        signatures8 process9 signatures10 55 Modifies the context of a thread in another process (thread injection) 18->55 57 Maps a DLL or memory area into another process 18->57 59 Sample uses process hollowing technique 18->59 61 Queues an APC in another process (thread injection) 18->61 23 explorer.exe 18->23 injected process11 dnsIp12 51 www.yogaguerilla.com 38.162.72.34, 49715, 49716, 49721 COGENT-174US United States 23->51 53 www.bestfreecontent.com 155.159.49.75, 49714, 80 CLAYERLIMITED-AS-APClayerLimitedHK South Africa 23->53 71 System process connects to network (likely due to code injection or exploit) 23->71 27 colorcpl.exe 13 23->27         started        30 ijykjqpxoqu.exe 1 23->30         started        32 ijykjqpxoqu.exe 1 23->32         started        signatures13 process14 signatures15 73 Tries to steal Mail credentials (via file / registry access) 27->73 75 Tries to harvest and steal browser information (history, passwords, etc) 27->75 77 Modifies the context of a thread in another process (thread injection) 27->77 79 Maps a DLL or memory area into another process 27->79 81 Multi AV Scanner detection for dropped file 30->81 83 Machine Learning detection for dropped file 30->83 34 WerFault.exe 3 10 30->34         started        37 conhost.exe 30->37         started        39 WerFault.exe 10 32->39         started        41 conhost.exe 32->41         started        process16 dnsIp17 49 192.168.2.1 unknown unknown 34->49
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-11-22 08:49:59 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:g2dc persistence 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 WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Formbook
Unpacked files
SH256 hash:
1c532877963889d84639ffa65009197766bbc611dcc79e88a7f30a2153bff59f
MD5 hash:
1f29e231f5ec7ea94b593f6b0d67abb8
SHA1 hash:
95e25d58d59d57615f4506de11b106ee69defacd
Detections:
XLoader win_formbook_auto win_formbook_g0
SH256 hash:
dfee396f0f438f4b7078e81fc26e545dc3ed5d2bacbd6da86ef00d8f52667b89
MD5 hash:
365cce6d213244d2ffeee71e00934e17
SHA1 hash:
da15a3eb5809b62f33c97f31b913f722e6fae517
SH256 hash:
192bed619d217526221d6e8e273b986262d6c90d7355143965727ef4361655ae
MD5 hash:
44714ec2edf686986c29dfc74912fdd3
SHA1 hash:
1ac35dcc2b2c9b2af8c82275a61f06bd9aaef395
SH256 hash:
4e099dee4b6248ffd4a4a86bee02311e91b065143138b6bd87e1fb5bb882bcd7
MD5 hash:
d7647797381bfa84ccd377fb5d1a6f34
SHA1 hash:
d0b980c107e2e20f9494b7fa534366db2a7e9a78
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

Formbook

Executable exe 4e099dee4b6248ffd4a4a86bee02311e91b065143138b6bd87e1fb5bb882bcd7

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments