MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4eaa6cbb07ff01de61ba87d140ca4dcd5c4054f9796bc6c15e6946ef484991ff. 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: 4eaa6cbb07ff01de61ba87d140ca4dcd5c4054f9796bc6c15e6946ef484991ff
SHA3-384 hash: efb221536f2fb1a61c6383e004681361265c2a438a7604a6acea609f9d3c13c2da4620d198b37f241d8e20abdad04e3e
SHA1 hash: 73ed9713241c33e165dd3909abf94e22f4b7f39d
MD5 hash: 8de66376e7ec767b186df680b27a9333
humanhash: berlin-may-one-washington
File name:scan_pictures.exe
Download: download sample
Signature Formbook
File size:379'041 bytes
First seen:2022-10-07 09:31:52 UTC
Last seen:2022-10-07 10:46:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (719 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 6144:ANeZHRxXIP0knr07RTMjZJeurnQB2uDG8d7bjYNDUo0xIjgMyHdCwEzxIS9Onnkv:ANOk8RuZtsBbDG8d73VIcM7t9+njAs6n
TLSH T1F484E0A1D35098FAFC6A073654B78A6264F7BC2D98F5111E224DB9263E73743006FE1B
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 2d29094400000000 (1 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
206
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
DNS request
Searching for synchronization primitives
Reading critical registry keys
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
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 / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found hidden mapped module (file has been removed from disk)
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
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
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: 718165 Sample: scan_pictures.exe Startdate: 07/10/2022 Architecture: WINDOWS Score: 100 37 www.ibaodate.info 2->37 45 Snort IDS alert for network traffic 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 51 8 other signatures 2->51 10 scan_pictures.exe 18 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\oezxjlidx.exe, PE32 10->31 dropped 13 oezxjlidx.exe 2 10->13         started        17 conhost.exe 10->17         started        process6 file7 33 C:\Users\user\AppData\Local\Temp\6BC.tmp, PE32 13->33 dropped 35 C:\Users\user\AppData\Local\Temp\2A5.tmp, PE32 13->35 dropped 73 Found hidden mapped module (file has been removed from disk) 13->73 19 oezxjlidx.exe 13->19         started        22 oezxjlidx.exe 13->22         started        signatures8 process9 signatures10 53 Modifies the context of a thread in another process (thread injection) 19->53 55 Maps a DLL or memory area into another process 19->55 57 Sample uses process hollowing technique 19->57 59 Queues an APC in another process (thread injection) 19->59 24 explorer.exe 19->24 injected process11 dnsIp12 39 www.grandafiliae.xyz 109.123.121.243, 49703, 80 UK2NET-ASGB United Kingdom 24->39 41 vapes-shop.com 81.169.145.159, 49710, 49711, 49712 STRATOSTRATOAGDE Germany 24->41 43 4 other IPs or domains 24->43 61 System process connects to network (likely due to code injection or exploit) 24->61 63 Performs DNS queries to domains with low reputation 24->63 28 chkdsk.exe 13 24->28         started        signatures13 process14 signatures15 65 Tries to steal Mail credentials (via file / registry access) 28->65 67 Tries to harvest and steal browser information (history, passwords, etc) 28->67 69 Modifies the context of a thread in another process (thread injection) 28->69 71 Maps a DLL or memory area into another process 28->71
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-10-07 08:36:21 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:hzb3 loader rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
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
Formbook
Xloader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
63d345dafa6beb8a9012f355b5716c336f9a145c5b98f7558d715942fb3d6ee8
MD5 hash:
08c45c0ba6d759cb6cebf8dacbef2907
SHA1 hash:
162375db12beb84ca8c54f23e470ffc727b86169
SH256 hash:
f30930cc06bb0bf78e5f2cea12b60ea9b37abe14fc9fe1aa14c3fe3a0f93eff1
MD5 hash:
4a1fb97fc380bd53ade7c2eed3d60895
SHA1 hash:
4966f40550760f970569e021f4911df3f1a5f6fa
SH256 hash:
4eaa6cbb07ff01de61ba87d140ca4dcd5c4054f9796bc6c15e6946ef484991ff
MD5 hash:
8de66376e7ec767b186df680b27a9333
SHA1 hash:
73ed9713241c33e165dd3909abf94e22f4b7f39d
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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.

Malspam

Formbook

Executable exe 4eaa6cbb07ff01de61ba87d140ca4dcd5c4054f9796bc6c15e6946ef484991ff

(this sample)

  
Delivery method
Distributed via e-mail attachment

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