MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 899622687e55297bdcdb94f028bdca829ee9dd847d951e3a2593bb0623e0dbaa. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: 899622687e55297bdcdb94f028bdca829ee9dd847d951e3a2593bb0623e0dbaa
SHA3-384 hash: baf29f7d217918ad65ae1806b4cc00556323330deed2775db427102b46c92f1e4e879e1c55284cb16abe4279a97cf686
SHA1 hash: adefd5250b68e27c9c17401fb18826a09dd6f731
MD5 hash: d2ae63abb3f0f97a0ef8769bbfe1ad15
humanhash: connecticut-sad-twelve-river
File name:DHL Delivery Exception.exe
Download: download sample
Signature Formbook
File size:615'936 bytes
First seen:2022-06-01 08:18:16 UTC
Last seen:2022-06-01 08:38:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:LmEuAaV2dNPj+dZBjXdWhevZECFTf69j+BIi6TVPX7amDumH9jSa:LT5dJj+RtWh+Em0jMIiAOGR
TLSH T13BD4223223AC5761D9FF0D3DA2A6A0E913359997BE03EF1E8A506C4C1C63B115D12BE7
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
302
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
DHL Delivery Exception.exe
Verdict:
Malicious activity
Analysis date:
2022-06-01 08:24:38 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 window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd or bat file
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 637336 Sample: DHL Delivery Exception.exe Startdate: 01/06/2022 Architecture: WINDOWS Score: 100 36 www.viedeluxedesigns.com 2->36 38 www.andreolivaresao.com 2->38 40 2 other IPs or domains 2->40 44 Snort IDS alert for network traffic 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 9 other signatures 2->50 11 DHL Delivery Exception.exe 3 2->11         started        signatures3 process4 file5 28 C:\Users\...\DHL Delivery Exception.exe.log, ASCII 11->28 dropped 14 DHL Delivery Exception.exe 11->14         started        process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 14->17 injected process8 dnsIp9 30 vakexport.com 51.91.70.94, 49787, 80 OVHFR France 17->30 32 www.vakexport.com 17->32 34 192.168.2.1 unknown unknown 17->34 42 System process connects to network (likely due to code injection or exploit) 17->42 21 colorcpl.exe 17->21         started        signatures10 process11 signatures12 52 Self deletion via cmd or bat file 21->52 54 Modifies the context of a thread in another process (thread injection) 21->54 56 Maps a DLL or memory area into another process 21->56 58 Tries to detect virtualization through RDTSC time measurements 21->58 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-06-01 03:20:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:h4ed loader persistence rat spyware stealer suricata trojan
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Deletes itself
Reads user/profile data of web browsers
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
84e14f74c1bc8a521ca5c49fbfa1b3de515dc3b4089390fca2b3e90f98eb600f
MD5 hash:
c28ad9ab49668dae41fd3e187e76fbef
SHA1 hash:
4828466ed4b2e5cf01b647c976161cba0c4d10fe
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
8edc28faa35e3c05ce9aa5361ba92f6d941fe1db9a0a0c9bb7f323e38c680cca
MD5 hash:
cef9af4c89970c685235ef9c5bd29539
SHA1 hash:
af9544a383cbbc2f46769dcebc1bb1dc64d0d025
SH256 hash:
7b445f8cb522b9599f04a32626eca517b96318f9cae1209c5504c8b6b8616992
MD5 hash:
c7ea068c8017df6690d19696c84f8ed0
SHA1 hash:
6ab57b0f6bb35ac96aa94fe0781aded2baea38a9
SH256 hash:
879c29560b21be7d9b69ca27ca4756df86e080fa3e34cb191aad5cb1e5f05504
MD5 hash:
30b6a54a992eae921a2eb8c5ea130911
SHA1 hash:
1c83f0319bffe007077c6656418c9b7344d5affe
SH256 hash:
899622687e55297bdcdb94f028bdca829ee9dd847d951e3a2593bb0623e0dbaa
MD5 hash:
d2ae63abb3f0f97a0ef8769bbfe1ad15
SHA1 hash:
adefd5250b68e27c9c17401fb18826a09dd6f731
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.

Malspam

Formbook

Executable exe 899622687e55297bdcdb94f028bdca829ee9dd847d951e3a2593bb0623e0dbaa

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments