MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e8aca4e1f2ffcf057520ce168019a1dec87de4593a181817231284f29b0b1f64. 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: 15


Intelligence 15 IOCs YARA 10 File information Comments

SHA256 hash: e8aca4e1f2ffcf057520ce168019a1dec87de4593a181817231284f29b0b1f64
SHA3-384 hash: b65b48a1857174e0e3d590e3af757ff247af3aa6e5bf0c99a3d95b74006233be7519fd53ba773c39406d1cbf58bf461a
SHA1 hash: 4ecb660e88f4e7c528bf92751e0a9342883c156d
MD5 hash: 8411cd1ca2642a0fd444d627cee9a46a
humanhash: single-johnny-charlie-paris
File name:e8aca4e1f2ffcf057520ce168019a1dec87de4593a181817231284f29b0b1f64
Download: download sample
Signature Formbook
File size:805'384 bytes
First seen:2025-09-05 12:37:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:rBbtWV5ol0lbIhKx1mFPKlUaRF6UJMyBtrX:r8j4KYPeRfT
TLSH T15D0512902625EA13D5A15BF49CB1C3B857F82D8EB811DB0B5EE9BCDF3C767842580293
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
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)
Magika pebin
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
48
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e8aca4e1f2ffcf057520ce168019a1dec87de4593a181817231284f29b0b1f64
Verdict:
Malicious activity
Analysis date:
2025-09-05 15:37:58 UTC
Tags:
netreactor

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
injection virus micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching the default Windows debugger (dwwin.exe)
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
invalid-signature obfuscated packed packed packer_detected signed strictor
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-14T08:07:00Z UTC
Last seen:
2025-08-14T08:07:00Z UTC
Hits:
~1000
Gathering data
Threat name:
Win32.Backdoor.FormBook
Status:
Malicious
First seen:
2025-08-14 11:58:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
e8aca4e1f2ffcf057520ce168019a1dec87de4593a181817231284f29b0b1f64
MD5 hash:
8411cd1ca2642a0fd444d627cee9a46a
SHA1 hash:
4ecb660e88f4e7c528bf92751e0a9342883c156d
SH256 hash:
230969d438319cc1be95f95aa51b74e143f56982fa946cb4dfd7482c15382db2
MD5 hash:
8b2a2b4541bcdf45ec3ae935218f5b39
SHA1 hash:
0701e4f419da53264ac58416cac2d42ec0ed1cf2
SH256 hash:
9b0c791ab7398112f005a991d5a236f02d7d16c771a3710fe92c5260390b7293
MD5 hash:
bed02b375818366f142952a72502da50
SHA1 hash:
214e096be988a7d169c1e7a460b9ff7ac4a545db
SH256 hash:
6303cadec03c48785b4351f14b9e30c80e50fe8a630635e6dea2e83f926e9c1d
MD5 hash:
71bd32428195da9e6bb215f5daf82f0a
SHA1 hash:
665f23edb282c9c4ac10a386b3c7df7350a334be
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
460cf4c4d4cfe4b310e0c81d240e1bf2311b5476c4c91748a8d4d0e8ebcc59e4
MD5 hash:
19f12013706b3a92e6ae1046d91b6106
SHA1 hash:
949d1e523c477aa657705bace7391ba4df66a077
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

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