MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 cbfd2f5801de66675509ac345081342019346ab477b1b1d708b1f616363c4484. 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
| SHA256 hash: | cbfd2f5801de66675509ac345081342019346ab477b1b1d708b1f616363c4484 |
|---|---|
| SHA3-384 hash: | 984580fcf3e9f34be7d5f75518a32d6bf236f5777321fbf97cfc8b0fe467096e436e8af5a6920ff957d7c74268a3efdf |
| SHA1 hash: | 0ad3231568f6a7d257c7628c1208ea81cbc6dda0 |
| MD5 hash: | ca3eea9ceeb6ffd742c0fcab3aaaf205 |
| humanhash: | november-alabama-georgia-moon |
| File name: | Pre Alert_160-99155055.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 936'968 bytes |
| First seen: | 2025-08-14 05:30:33 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger) |
| ssdeep | 12288:z6xznnf4iuAtcaFLrgQqB5CHEUkat3Rni2xgs20qYh+bIHWzGbYf0BnBy0+ni1ty:zSnnf4iuW1rgv5Kt7fiUPNoJGbYfWox |
| Threatray | 183 similar samples on MalwareBazaar |
| TLSH | T19315E09C3200B48FC45789758969EDB8A6202CAB7707DE03A1D73DDFB93D6929E051E3 |
| 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 |
| dhash icon | 0041101b1b104100 (2 x Formbook) |
| Reporter |  koluke |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
75
Origin country :
JPVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_cbfd2f5801de66675509ac345081342019346ab477b1b1d708b1f616363c4484.exe
Verdict:
No threats detected
Analysis date:
2025-08-14 05:33:04 UTC
Tags:
netreactor
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Verdict:
Malicious
Score:
95.7%
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Sending a custom TCP request
Сreating synchronization primitives
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
confuserex confuserex expired-cert invalid-signature obfuscated obfuscated packed signed vbnet
Verdict:
Malicious
Labled as:
Barys.Generic
Malware family:
Formbook
Verdict:
Malicious
Score:
93%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
12 match(es)
Tags:
.Net Executable PE (Portable Executable) SOS: 0.83 Win 32 Exe x86
Verdict:
Malicious
Threat:
Trojan.MSIL.Taskun
Threat name:
Win32.Backdoor.FormBook
Status:
Malicious
First seen:
2025-08-14 01:40:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
27 of 38 (71.05%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
unc_loader_037
formbook
Similar samples:
+ 173 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
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:
cbfd2f5801de66675509ac345081342019346ab477b1b1d708b1f616363c4484
MD5 hash:
ca3eea9ceeb6ffd742c0fcab3aaaf205
SHA1 hash:
0ad3231568f6a7d257c7628c1208ea81cbc6dda0
SH256 hash:
22fb83ee46c72788ef8b0b62ecfd9aa2c2a8db81cd58014b29ec2e549a0184ad
MD5 hash:
a619176e3d425378696f0415c660a28f
SHA1 hash:
9f1809a81877664e5177f2e5647631e941410348
SH256 hash:
e833b4c040a54da76ec316ed0a58bd962c104ecfaf27de4113af7d3e7246a3a9
MD5 hash:
ad7cf108545cde32ec3ee332ce267e83
SHA1 hash:
39aeb72728b1c9e64593766e73435886fdd485b0
SH256 hash:
a8d49d3c309b0b7c14de3d0f4f411af43a26ce2e98ade5482c33be839ca1568f
MD5 hash:
48519e234147d0f0cc7cfa77965d16c9
SHA1 hash:
44d3a40a0a80c598dbf60259cc4c6f531460d764
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
94cdff582db4af19d03672d86076a2099c540e9098693e65c0ffd041cc94ba91
MD5 hash:
a472a3e92b535891f7fcdc1e42e41bcb
SHA1 hash:
718183d6e7ae4f0d2e1dda0930a5fc3de20dc85b
Malware family:
zgRAT
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
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: | INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438 |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables signed with stolen, revoked or invalid certificates |
| Rule name: | meth_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| 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.
Malspam
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (GUARD_CF) | high |
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