MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e44f2c56314148dfe7f8e8ca016fd689f8fb72029a4c06b9020a322ba6ed1896. 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: 18


Intelligence 18 IOCs YARA 16 File information Comments

SHA256 hash: e44f2c56314148dfe7f8e8ca016fd689f8fb72029a4c06b9020a322ba6ed1896
SHA3-384 hash: 67645e6a6b8bf270d56f7b0931c4d0c4033ee75adc3b092a4cc270c6cbc9f93fd38a62d36efafbc5803c12a87deaa579
SHA1 hash: 3d67672311c989e58c18df87b92e671cc5100360
MD5 hash: 7e35e387ee431ef08dfeec00552a6006
humanhash: early-aspen-bravo-steak
File name:Purchase Order List.xls
Download: download sample
Signature Formbook
File size:458'752 bytes
First seen:2024-06-24 11:51:53 UTC
Last seen:2024-07-01 12:49:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:7Q3klTByZJvq7I3kv61Gn8UOFP0hEtUfv8AQDLv8mex0D9av1osh:s3YTEZJvqbOC8m688A4Err
TLSH T1B2A46B42E6447668C9FD69F4A8DD1420817FBD029F43236E429F7072CB7E7A1293E52E
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 839d7d31c4cc6923 (2 x Formbook, 1 x AgentTesla, 1 x RedLineStealer)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
324
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
e44f2c56314148dfe7f8e8ca016fd689f8fb72029a4c06b9020a322ba6ed1896.exe
Verdict:
Malicious activity
Analysis date:
2024-06-24 12:00:07 UTC
Tags:
formbook xloader stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Execution Generic Network Stealth Swotter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a window
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
lolbin masquerade packed shell32
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
AI detected suspicious sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Loading BitLocker PowerShell Module
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 domain / URL
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample has a suspicious name (potential lure to open the executable)
Sample uses process hollowing technique
Sigma detected: Suspicious Double Extension File Execution
Snort IDS alert for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Uses netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1461623 Sample: Purchase Order List.xls.exe Startdate: 24/06/2024 Architecture: WINDOWS Score: 100 36 www.nn477.xyz 2->36 38 www.lottery99nft.xyz 2->38 40 11 other IPs or domains 2->40 60 Snort IDS alert for network traffic 2->60 62 Multi AV Scanner detection for domain / URL 2->62 64 Found malware configuration 2->64 68 13 other signatures 2->68 11 Purchase Order List.xls.exe 2 2->11         started        13 svchost.exe 1 1 2->13         started        signatures3 66 Performs DNS queries to domains with low reputation 38->66 process4 dnsIp5 16 RegAsm.exe 11->16         started        19 powershell.exe 21 11->19         started        48 127.0.0.1 unknown unknown 13->48 process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 16->50 52 Maps a DLL or memory area into another process 16->52 54 Sample uses process hollowing technique 16->54 58 4 other signatures 16->58 21 explorer.exe 62 1 16->21 injected 56 Loading BitLocker PowerShell Module 19->56 25 conhost.exe 19->25         started        process8 dnsIp9 42 www.rwc666.club 52.118.136.180, 49723, 80 SOFTLAYERUS United States 21->42 44 www.outdoorshopping.net 108.186.221.158, 49721, 80 PEGTECHINCUS United States 21->44 46 4 other IPs or domains 21->46 70 Uses netstat to query active network connections and open ports 21->70 27 NETSTAT.EXE 21->27         started        30 autochk.exe 21->30         started        signatures10 process11 signatures12 72 Modifies the context of a thread in another process (thread injection) 27->72 74 Maps a DLL or memory area into another process 27->74 76 Tries to detect virtualization through RDTSC time measurements 27->76 78 Switches to a custom stack to bypass stack traces 27->78 32 cmd.exe 1 27->32         started        process13 process14 34 conhost.exe 32->34         started       
Threat name:
Win32.Trojan.Zusy
Status:
Malicious
First seen:
2024-06-24 02:49:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:45er rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Blocklisted process makes network request
Formbook payload
Formbook
Unpacked files
SH256 hash:
ad73d788759f19ba623b76eed0f1ad59d36635bb256f8368aea099d31b30021d
MD5 hash:
44cc02dcb9a208a386b674c82b8b44d7
SHA1 hash:
2b079d3c1993e7c2318fa412cbbdf966329a1bf5
Detections:
FormBook win_formbook_g0 win_formbook_auto win_formbook_w0 Formbook
SH256 hash:
bf6f5045fb719782585db8d000a26f3a3ea44bca0a7872fa5ab2e6ce5bed6201
MD5 hash:
c704348e31470e321e6e5be64a281fea
SHA1 hash:
81116e2af8700f18f017724702e8465d0d99ae3f
SH256 hash:
966e4849b562728bff4bbd69fadc2a566899a3d983a7ff5304e72ecf6cfcd772
MD5 hash:
55857f507f2e6dace00eafaac0391548
SHA1 hash:
1dbfdcd721d24918aae25344bc8b715405702aba
SH256 hash:
e44f2c56314148dfe7f8e8ca016fd689f8fb72029a4c06b9020a322ba6ed1896
MD5 hash:
7e35e387ee431ef08dfeec00552a6006
SHA1 hash:
3d67672311c989e58c18df87b92e671cc5100360
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:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
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 e44f2c56314148dfe7f8e8ca016fd689f8fb72029a4c06b9020a322ba6ed1896

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments