MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f740610774f6f97c82a45cdb50f0bec8f98e4e7dc7d26d9ab097c35b3a92bee6. 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: f740610774f6f97c82a45cdb50f0bec8f98e4e7dc7d26d9ab097c35b3a92bee6
SHA3-384 hash: 3a58a58eead52c4615309b35eb1c9362df4295437e0d35ef74d9fa0da737321997864a27d9e868a4a12ebf18345b2f93
SHA1 hash: 79683e71665009f608176c5dda986cf5fe79313c
MD5 hash: 235408aa1ab6134b378246f863f0b305
humanhash: summer-lemon-oranges-freddie
File name:DHL Notification_pdf.exe
Download: download sample
Signature Formbook
File size:856'064 bytes
First seen:2022-12-06 07:00:16 UTC
Last seen:2022-12-06 08:35:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:UcVxepxE+ZhbKodRLRkW2LkKQmndPN7jmaxgKZ/nXt7virmWhlGLaQYI:vvcbXbbLRkWSv1
TLSH T10405E71F4EC796C4EE3757F472459BB83EA2BB81A8515C0A6CA0B073007C53DAB3EA55
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:DHL exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
166
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
DHL Notification_pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-12-06 07:16:36 UTC
Tags:
formbook xloader 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 window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Reading critical registry keys
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
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
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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 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 signatures2 2 Behavior Graph ID: 762172 Sample: DHL Notification_pdf.exe Startdate: 06/12/2022 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 9 other signatures 2->39 9 DHL Notification_pdf.exe 3 2->9         started        process3 file4 27 C:\Users\...\DHL Notification_pdf.exe.log, ASCII 9->27 dropped 12 DHL Notification_pdf.exe 9->12         started        process5 signatures6 41 Modifies the context of a thread in another process (thread injection) 12->41 43 Maps a DLL or memory area into another process 12->43 45 Sample uses process hollowing technique 12->45 47 Queues an APC in another process (thread injection) 12->47 15 help.exe 12->15         started        18 explorer.exe 12->18 injected 21 autoconv.exe 12->21         started        process7 dnsIp8 49 Modifies the context of a thread in another process (thread injection) 15->49 51 Maps a DLL or memory area into another process 15->51 53 Tries to detect virtualization through RDTSC time measurements 15->53 23 cmd.exe 1 15->23         started        29 estudiomaof.com 82.180.175.15, 49699, 80 BROADCOMDK Denmark 18->29 31 www.estudiomaof.com 18->31 55 System process connects to network (likely due to code injection or exploit) 18->55 signatures9 process10 process11 25 conhost.exe 23->25         started       
Threat name:
ByteCode-MSIL.Trojan.Swotter
Status:
Malicious
First seen:
2022-12-06 01:52:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook cobaltstrike
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:j17j rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
13b2d152d9e148b8d5f707361ba32defab577684e41cf7f4c2c7f2bbc3b08b23
MD5 hash:
b7d8c6a1672eb90fde17234589bbeb34
SHA1 hash:
dcb6e2eada0b03e5c7fe563310f9876ab3aca6ba
SH256 hash:
ab3af6d8be95145bbc400d7f884d81fe4b53f4ee9be45b4ca658f03f8e52d85f
MD5 hash:
21fd1bd82e25d81077e4aa424cdf6754
SHA1 hash:
c6409c4feafb757e0294ba60dcb05a968f9de4be
SH256 hash:
bdffcb8fe710c174a80e645872a7fb4aab8eca8031083ffb2777ee8725261307
MD5 hash:
cc6f961e1fe91292a5aa260513ded4c1
SHA1 hash:
6cf3242cf5d51e3e4f8d78c996cd62fe6a220281
SH256 hash:
c0756e0c37a1091d92867a2897a6b54e86f7e22b5c0bbe3eacfaf312d4df9782
MD5 hash:
ab1a3b19df8b9eefa63ad37fad0c9661
SHA1 hash:
0c473ba46a79e88567899ecadc25381871ed56d8
SH256 hash:
f740610774f6f97c82a45cdb50f0bec8f98e4e7dc7d26d9ab097c35b3a92bee6
MD5 hash:
235408aa1ab6134b378246f863f0b305
SHA1 hash:
79683e71665009f608176c5dda986cf5fe79313c
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.

Comments