MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 047ff870ac53c586bf0def7e35cc07b312e25c8e75f0989ef5ff7729d42c193c. 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 16 File information Comments
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SHA256 hash: 047ff870ac53c586bf0def7e35cc07b312e25c8e75f0989ef5ff7729d42c193c
SHA3-384 hash: ee24ce42cfa90fd849ffa43e448e454472aa6a801c18249498af6d8e67876af6723d91f7c1cfe045ddfcdac5df93c039
SHA1 hash: 1f9f8e18dc10ff09944ff40dd96c9f1ccfa87532
MD5 hash: e6ff3ff07c56108635b0168948101a83
humanhash: freddie-jupiter-october-michigan
File name:rDHLFacturaElec.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:696'320 bytes
First seen:2024-02-23 15:36:05 UTC
Last seen:2024-02-23 17:31:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:W2nIX5Ujd53LlvWZNQwRmazU00aq6XnRYQMkJ2OaV7O/wTPAovPnWnN09jB:W2ngKY/ZRp7RSKoTIuWnNCj
Threatray 1'205 similar samples on MalwareBazaar
TLSH T13EE4129422BC6B67F13FB7F925A0210113F9647B7A76EB584FD700DA2922B14CE09E53
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)
Reporter FXOLabs
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
301
Origin country :
BR BR
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/477526/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2694.7650.22588.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/65d8bb9eb7fbcf60a4773b7c/reports/bc8cce10-04d2-4ce2-90e2-bd04b006faff/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/047ff870ac53c586bf0def7e35cc07b312e25c8e75f0989ef5ff7729d42c193c
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5d5dba90-02c7-47ec-8353-e73af710f53b
Result
Threat name:
FormBook, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1397762
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1397762 Sample: rDHLFacturaElec.exe Startdate: 23/02/2024 Architecture: WINDOWS Score: 100 34 www.tobegoodlife.net 2->34 36 www.taxibactrungnam.com 2->36 38 11 other IPs or domains 2->38 46 Snort IDS alert for network traffic 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 12 other signatures 2->52 11 rDHLFacturaElec.exe 4 2->11         started        signatures3 process4 signatures5 56 Adds a directory exclusion to Windows Defender 11->56 58 Tries to detect virtualization through RDTSC time measurements 11->58 60 Injects a PE file into a foreign processes 11->60 14 rDHLFacturaElec.exe 11->14         started        17 powershell.exe 23 11->17         started        process6 signatures7 66 Modifies the context of a thread in another process (thread injection) 14->66 68 Maps a DLL or memory area into another process 14->68 70 Sample uses process hollowing technique 14->70 72 Queues an APC in another process (thread injection) 14->72 19 explorer.exe 61 1 14->19 injected 23 WmiPrvSE.exe 17->23         started        25 conhost.exe 17->25         started        process8 dnsIp9 40 www.tobegoodlife.net 91.195.240.117, 49739, 49743, 49746 SEDO-ASDE Germany 19->40 42 www.kxn.ink 172.67.132.76, 49748, 80 CLOUDFLARENETUS United States 19->42 44 4 other IPs or domains 19->44 54 System process connects to network (likely due to code injection or exploit) 19->54 27 msiexec.exe 19->27         started        signatures10 process11 signatures12 62 Modifies the context of a thread in another process (thread injection) 27->62 64 Maps a DLL or memory area into another process 27->64 30 cmd.exe 1 27->30         started        process13 process14 32 conhost.exe 30->32         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/047ff870ac53c586bf0def7e35cc07b312e25c8e75f0989ef5ff7729d42c193c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/047ff870ac53c586bf0def7e35cc07b312e25c8e75f0989ef5ff7729d42c193c/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2024-02-22 15:40:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ar77q4fmkpcynpyn557dltahwmjoexeooxyjrhxv753stvbmde6a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
047ff870ac53c586bf0def7e35cc07b312e25c8e75f0989ef5ff7729d42c193c
Formbook
4018310881b6b77db2e97b400ecee07ca40d65d72f604f8db0f85b8815d3c94e
Formbook
4a802bd99bb9503b36b5bca07fdf9482e5ef52d10cfc136dbbc44ae55a79c187
Formbook
9c051c1f0938d57caab88ddf7c68456838889f84907436aa6dbf50b1e35ea6ab
Formbook
c365a6886581c5afdc2bba03f6b8dd4af723c570002d359af8cafa1c145e4adb
Formbook
ea54b2d8e2e29ed25f7167eff3c4c5d07f7d350cc89d006fb2039cd848f87ac2
Formbook
+ 1'195 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:pz08 rat spyware stealer trojan
Link:
https://tria.ge/reports/240223-s2fv9adc6w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
24e196036554f430cfb19fb9343e4d2ee0f51129c1b270974ae27bd6581cf33b
MD5 hash:
261de885397be969e26e090bdc497544
SHA1 hash:
f10620c94b6d588a0a142904bc29dd32aa36ff93
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/82072957-3eb8-4fc8-8e5e-b4153c55f917/
Parent samples :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 hash:
fe666553645ce1edfc395d0a4ba72fb281377d72cf89bcbbe1f43012b4f04246
MD5 hash:
cc0b3d31c7162553868f73e38c9c6fa8
SHA1 hash:
6d3e1237dbbb836afcb0203f054a89c585ebaca1
Link:
https://www.unpac.me/results/82072957-3eb8-4fc8-8e5e-b4153c55f917/
SH256 hash:
ec592062c41d26d7046ab135fbabaf80e69900ba940ca654261cda17109f8769
MD5 hash:
09f7fb78314d30bf7c69d72caa9da978
SHA1 hash:
5536e0f86fe6e36f11e5ba03a8f559675dd82f30
Link:
https://www.unpac.me/results/82072957-3eb8-4fc8-8e5e-b4153c55f917/
SH256 hash:
42e5bbee4b498550f505c1232326adbf9d5d23c7e90174eb142b4963b879fe7b
MD5 hash:
100a8095e042378d2c227eb0ff37b6d4
SHA1 hash:
32c4a6457d7c01e9e135c3750d571114bc0ef3a0
Link:
https://www.unpac.me/results/82072957-3eb8-4fc8-8e5e-b4153c55f917/
SH256 hash:
e84239629cea53a4c9e477bedf043f66c6bfbddf9326242ebd1d4b7728a00b42
MD5 hash:
a864885ec3140e7101b758a7562d1c05
SHA1 hash:
186a250bd36475dbb6b5fc25711636cbff0cc544
Link:
https://www.unpac.me/results/82072957-3eb8-4fc8-8e5e-b4153c55f917/
SH256 hash:
047ff870ac53c586bf0def7e35cc07b312e25c8e75f0989ef5ff7729d42c193c
MD5 hash:
e6ff3ff07c56108635b0168948101a83
SHA1 hash:
1f9f8e18dc10ff09944ff40dd96c9f1ccfa87532
Link:
https://www.unpac.me/results/82072957-3eb8-4fc8-8e5e-b4153c55f917/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/047ff870ac53/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/047ff870ac53c586bf0def7e35cc07b312e25c8e75f0989ef5ff7729d42c193c

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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 047ff870ac53c586bf0def7e35cc07b312e25c8e75f0989ef5ff7729d42c193c

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/477526/

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