MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 18cc5855c3e13936cf3ff535e14fdd4f42aeba29d3fed457a1d384484ff00bb4. 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 5 File information Comments

SHA256 hash: 18cc5855c3e13936cf3ff535e14fdd4f42aeba29d3fed457a1d384484ff00bb4
SHA3-384 hash: bde943eb2a6d29502007e90f321906c05d20b9302b56c9059f9511d3164199a16a5f5e511174f3ea134beb1c2e202fdb
SHA1 hash: 42762ee0a76f184ea7e272fa863a8dd88ce28bc1
MD5 hash: 82b7d657a325fb9cac79a6f9cd9bbf90
humanhash: white-aspen-speaker-sad
File name:DHL-Express.exe
Download: download sample
Signature Formbook
File size:284'901 bytes
First seen:2022-11-10 12:30:57 UTC
Last seen:2022-11-12 11:17:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 6144:1Ea0L1HAOQotpMDpo30INOvzZ2AsTMMDHnYeg6Vm7:w1UotSpoIv92ZDHnYeLVS
TLSH T1FA540273E5C07659F3D246360811197A826BCC39FAE0B21B5690FE3B75721276B3E193
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 d3b3b2a2a6b2b2f7 (5 x Formbook, 1 x Loki)
Reporter abuse_ch
Tags:DHL exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
212
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
DHL-Express.exe
Verdict:
Malicious activity
Analysis date:
2022-11-10 12:39:02 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
Searching for the window
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
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)
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 743089 Sample: DHL-Express.exe Startdate: 10/11/2022 Architecture: WINDOWS Score: 100 33 Malicious sample detected (through community Yara rule) 2->33 35 Antivirus detection for URL or domain 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 3 other signatures 2->39 9 DHL-Express.exe 18 2->9         started        process3 file4 25 C:\Users\user\AppData\Local\...\dewqjrjd.exe, PE32 9->25 dropped 12 dewqjrjd.exe 9->12         started        process5 signatures6 53 Multi AV Scanner detection for dropped file 12->53 55 Machine Learning detection for dropped file 12->55 57 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 12->57 59 Maps a DLL or memory area into another process 12->59 15 dewqjrjd.exe 12->15         started        process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 27 www.occludy.com 217.160.0.87, 49702, 49703, 49704 ONEANDONE-ASBrauerstrasse48DE Germany 18->27 29 wewantabreak.com 74.124.203.191, 49701, 80 IMH-WESTUS United States 18->29 31 3 other IPs or domains 18->31 41 System process connects to network (likely due to code injection or exploit) 18->41 43 Uses ipconfig to lookup or modify the Windows network settings 18->43 22 ipconfig.exe 13 18->22         started        signatures11 process12 signatures13 45 Tries to steal Mail credentials (via file / registry access) 22->45 47 Tries to harvest and steal browser information (history, passwords, etc) 22->47 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51
Threat name:
Win32.Trojan.Woreflint
Status:
Malicious
First seen:
2022-11-10 09:55:13 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
22 of 25 (88.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:hcfu 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 FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Blocklisted process makes network request
Executes dropped EXE
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
fe69c1b4dd7e135e2f5a4b115f7da57c368c3e6bd9e4fc2fb28ab6548312ea0c
MD5 hash:
f0616b83f164e0b412245855d5f6bc1e
SHA1 hash:
d9dfc8e42d8b3d58f9c1e9c4a0f1c3d110a528d4
Detections:
XLoader win_formbook_auto win_formbook_g0
SH256 hash:
86b3ba00b2fd18ec88207974c7aa18bcd085107b07ba3e34d5113b6580dbc6bd
MD5 hash:
20d7d5fb5635ccb89b818217143aa43c
SHA1 hash:
9f5cc6f5fadb5586a07d0b2a68e2a52d319838dc
SH256 hash:
30a7269879b6b90eda5de206cb3d42e4234278723657eb1130cf0f93ea8006f4
MD5 hash:
3607337bb192c2fb7b13c7a9905c084b
SHA1 hash:
7d9a8794ee10c562308ae60dccde0b210760688c
SH256 hash:
18cc5855c3e13936cf3ff535e14fdd4f42aeba29d3fed457a1d384484ff00bb4
MD5 hash:
82b7d657a325fb9cac79a6f9cd9bbf90
SHA1 hash:
42762ee0a76f184ea7e272fa863a8dd88ce28bc1
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:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

Malspam

Formbook

Executable exe 18cc5855c3e13936cf3ff535e14fdd4f42aeba29d3fed457a1d384484ff00bb4

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments