MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aace9b82b5a361f9fe0ea0d6d0ea6e141cca7ff9761e0d7a2665fd7752a54ffa. 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 19 File information Comments

SHA256 hash: aace9b82b5a361f9fe0ea0d6d0ea6e141cca7ff9761e0d7a2665fd7752a54ffa
SHA3-384 hash: 68e34a86a792d331e1a7987aabbaa72e2b2f50417036bf41e3ae241fdbb13ee5775dfa35693349bbba576bee78b2fb15
SHA1 hash: 19b5b0886080866ca41f01a9206b55a27db51fcb
MD5 hash: dec4bd91ceb8db198d4d611c75b80c9a
humanhash: whiskey-single-freddie-minnesota
File name:ungziped_file
Download: download sample
Signature Formbook
File size:743'424 bytes
First seen:2025-08-11 06:19:24 UTC
Last seen:2025-08-14 11:06:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:xvNfgPpAZU65v5daUQbr8sJRFuK/4wx5Fnu1vbNU9su9hvf9Z29mpmD:xvNfghAZU65v5lQLJRt/4w1uRGK+hvfM
Threatray 4'123 similar samples on MalwareBazaar
TLSH T137F423AB3699CA36C8FD6B721431F27013B6AD9DC022E3164EE1ECDFB501B995D1A740
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 :
2
# of downloads :
55
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SKQ31295069325MD.exe
Verdict:
No threats detected
Analysis date:
2025-08-05 08:57:58 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
shell spawn sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Sending a custom TCP request
Сreating synchronization primitives
Adding an exclusion to Microsoft Defender
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable PDB Path PE (Portable Executable) SOS: 0.28 Win 32 Exe x86
Verdict:
Malicious
Threat:
VHO:Trojan-PSW.MSIL.Agensla
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2025-08-05 07:28:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
aace9b82b5a361f9fe0ea0d6d0ea6e141cca7ff9761e0d7a2665fd7752a54ffa
MD5 hash:
dec4bd91ceb8db198d4d611c75b80c9a
SHA1 hash:
19b5b0886080866ca41f01a9206b55a27db51fcb
SH256 hash:
8635254a2408c0507dc57fb41ce63b25962cfc32771b4ce26c6a0f76e4588a12
MD5 hash:
3fde82ed69546a02792bbc9fb68c7335
SHA1 hash:
1280390ad0deae78beae1986f954e6750bf57b55
SH256 hash:
2f2a721779a41819dd8e36a4fe4f4a282b8727919dfce970496f5cfba8b89e2a
MD5 hash:
0ddd2fd65907e074e291bed0fa34515b
SHA1 hash:
2a4bcea843da537a6e61419b4c9f0983ec820cdb
SH256 hash:
d4d57160e5d12860bd53767cbee3d7db7f8b23eaf8bbe1c21654992e111816a4
MD5 hash:
e9d0a57288e8535e4de41efed2092434
SHA1 hash:
28185d6f833396935b71697638d796482886c93f
SH256 hash:
4e68463959e9295134cd8a945b461600d638034eea86578c082362e87f2f9f28
MD5 hash:
77ff53e7dcb6fb00114d8e0025812ca3
SHA1 hash:
3bd2efd255107094977e28f64a351c2a714690a4
SH256 hash:
a559ed3d00cea2692ddc7d4e5ce674275b9bfd87bdc55056e5ceaf62ad9e6e1d
MD5 hash:
0ad5cdd74fcbd8519e47de5f5b5bfe89
SHA1 hash:
45b7a5a6782b03c20be2d0bb46704fe86f5bc2e4
SH256 hash:
b322ea899eb48a10a0a6db100c6ee8d410355435bafdfdedab2de1fed45305d8
MD5 hash:
a4a87e307ad7a3ddaf209a1a4bab7cfc
SHA1 hash:
7af08237ff1c3dae9b9e09c0ba7294390fc77d8b
SH256 hash:
1bbf0181a363a94c8ca224de542a62392aa6a9ab08d30b464859f9e7d7a7bdb2
MD5 hash:
508179f76be01be3298059c7e4f1536f
SHA1 hash:
97bb4d557e762807f832423476d829e6f83d19e4
Detections:
INDICATOR_EXE_Packed_SmartAssembly
SH256 hash:
7cb374919cae131883b1e2a87ce05ee638e75b5a2f63efdb05c56a1ed20150eb
MD5 hash:
0ec805fbd1af686b7673ffff8c0fdd6b
SHA1 hash:
c9247e661de2e510237f8d3e4d4033bfdf71e26d
SH256 hash:
bec85b176452d06e3a90112279293258dc6d4110dd409af3c51f1075eb731cd0
MD5 hash:
68791dc0d3c6e3d6db3f51fce04b460a
SHA1 hash:
d9feaf7aced13928717d5acca50b9578ca4b55d2
SH256 hash:
925a1a1a78e549a04cea0a7926b89e819397fb03416bc6e81a9a8096129149aa
MD5 hash:
f7f98a58703504c2cdca3ecf6ef0a413
SHA1 hash:
dd7605120969dfef4b1199bd354c0ddcd80063b9
SH256 hash:
1b71cd68671c01f792511c7b14ced4406d7aa747f33d7ad0faed90d5d5c3b154
MD5 hash:
b8667a00f081e9e392569f1a0b0b962a
SHA1 hash:
f821904b22621c808090ed06467fac78d618317d
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
cd5cb124451f102c575a69653a68065b2763544f2fc8d0e8402faf1b361819f7
MD5 hash:
a4c10d69283529fb438f9c8c8ef66955
SHA1 hash:
7c5fea184d079cc5d66418637fb7393a079e290b
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:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:Formbook
Author:kevoreilly
Description:Formbook Payload
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:NET
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: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.

Malspam

Formbook

Executable exe aace9b82b5a361f9fe0ea0d6d0ea6e141cca7ff9761e0d7a2665fd7752a54ffa

(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 (GUARD_CF)high

Comments