MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 27092cac933ddf8f3790ad2cfdd8bb8ffa80adec09f96f4acb2b3ee24ee2157e. 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: 27092cac933ddf8f3790ad2cfdd8bb8ffa80adec09f96f4acb2b3ee24ee2157e
SHA3-384 hash: bdf3bf734cce60badb27a0bf6f965a11ce18e63d0c0bd9abd4d54591e7946e373c6315d5b80447a6317dcee3dc01018a
SHA1 hash: 9fefa41932f0c235ad83e2cec91b12bc64561438
MD5 hash: caf99564f041fdcf656a13a35ec1aa5d
humanhash: friend-earth-video-xray
File name:TNT Express eInvoice_pdf.exe
Download: download sample
Signature Formbook
File size:459'068 bytes
First seen:2023-01-13 16:55:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 12288:uYoVVwDZfmrcp/HRCIoWHHeMEtBnWbkW+Op98:uYoVG9fmo/boMeMEzWnTpu
TLSH T179A4F1C0E6444181FC264F3451356E3555BB6FA9B8B8D34E7AE8F5273BB36C2043AA93
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 f5988aa6a68ad8de (2 x Formbook)
Reporter abuse_ch
Tags:exe FormBook TNT

Intelligence


File Origin
# of uploads :
1
# of downloads :
171
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
TNT Express eInvoice_pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-01-13 17:04:40 UTC
Tags:
stealer trojan formbook

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
Launching a process
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Searching for synchronization primitives
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Query of malicious DNS domain
Unauthorized injection to a system process
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
No Threat
Threat level:
  10/10
Confidence:
83%
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
Detected unpacking (changes PE section rights)
Executable has a suspicious name (potential lure to open the executable)
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
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
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 signatures2 2 Behavior Graph ID: 784046 Sample: TNT Express eInvoice_pdf.exe Startdate: 13/01/2023 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 TNT Express eInvoice_pdf.exe 19 2->9         started        process3 file4 25 C:\Users\user\AppData\Local\...\cmjoekkw.exe, PE32 9->25 dropped 12 cmjoekkw.exe 9->12         started        process5 signatures6 51 Detected unpacking (changes PE section rights) 12->51 53 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 12->53 55 Maps a DLL or memory area into another process 12->55 57 Contains functionality to detect sleep reduction / modifications 12->57 15 cmjoekkw.exe 12->15         started        process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 3 6 15->18 injected process9 dnsIp10 27 insightcherry.online 151.106.104.203, 49739, 49740, 49741 PLUSSERVER-ASN1DE Germany 18->27 29 www.wanknumbers.co.uk 81.17.18.195, 49735, 49736, 49737 PLI-ASCH Switzerland 18->29 31 11 other IPs or domains 18->31 41 System process connects to network (likely due to code injection or exploit) 18->41 22 explorer.exe 13 18->22         started        signatures11 process12 signatures13 43 Tries to steal Mail credentials (via file / registry access) 22->43 45 Tries to harvest and steal browser information (history, passwords, etc) 22->45 47 Modifies the context of a thread in another process (thread injection) 22->47 49 Maps a DLL or memory area into another process 22->49
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-01-13 09:30:17 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
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
Program crash
Suspicious use of SetThreadContext
Loads dropped DLL
Checks computer location settings
Blocklisted process makes network request
Executes dropped EXE
Unpacked files
SH256 hash:
bee5ec36671e00c89c23f14cdffd1ac19fbda2bc1997610533fe136e8f2e1ab6
MD5 hash:
feb9ff6c435ce268ffa0feb5546deab1
SHA1 hash:
194d637195bc7a4c812b6e2bcad10f3a4b40c967
SH256 hash:
519f855cf4bc10f7450a4fc28b0b90ff0c5cd989a71b9ad52d9770a9469978ed
MD5 hash:
f69097feaeff1161509c5af1fc3a2a97
SHA1 hash:
e9b35bd5daed992d8290aea18dcf3709c3eab9f9
SH256 hash:
27092cac933ddf8f3790ad2cfdd8bb8ffa80adec09f96f4acb2b3ee24ee2157e
MD5 hash:
caf99564f041fdcf656a13a35ec1aa5d
SHA1 hash:
9fefa41932f0c235ad83e2cec91b12bc64561438
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
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


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

Malspam

Formbook

Executable exe 27092cac933ddf8f3790ad2cfdd8bb8ffa80adec09f96f4acb2b3ee24ee2157e

(this sample)

  
Delivery method
Distributed via e-mail attachment

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