MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 71ebe950f825087c4c296fe5436be30c245c7c2a0605564b53274abe9bccbf55. 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: | 71ebe950f825087c4c296fe5436be30c245c7c2a0605564b53274abe9bccbf55 |
|---|---|
| SHA3-384 hash: | 549d1af16899a28f673cc0b3d84c4235bb69057c375e8ac5a9d192d1f61498ab187db3c241bd0277af0e3b32bdc768a1 |
| SHA1 hash: | 23a950b0b563cf482f2c06f43479e78dafe6be62 |
| MD5 hash: | 611283f2ddce297367f0c4be1f275cd4 |
| humanhash: | mike-cola-december-eleven |
| File name: | PO NO 21221 LAREX.scr |
| Download: | download sample |
| Signature | Formbook |
| File size: | 757'768 bytes |
| First seen: | 2025-10-17 06:03:52 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'633 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:IFFqbdvnJ5sRlafzJLnR+m2I6gYl3rXYTxhIEOMb1QIERaueXkdWnWxDPrhBP0WQ:IFFqbF9fzJDsm2PgY9kxhIEOMb1oQuBM |
| Threatray | 240 similar samples on MalwareBazaar |
| TLSH | T12FF41294161EE702CA5197F00AB2F6392BB56D9CF920C60B9EED6EDF7972F001C44663 |
| 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 :
104
Origin country :
HUVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_71ebe950f825087c4c296fe5436be30c245c7c2a0605564b53274abe9bccbf55.exe
Verdict:
Malicious activity
Analysis date:
2025-10-17 06:18:50 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Verdict:
Malicious
Score:
99.1%
Tags:
obfusc virus msil
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
invalid-signature masquerade obfuscated packed packed packer_detected signed snakekeylogger vbnet
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-14T03:57:00Z UTC
Last seen:
2025-10-17T16:39:00Z UTC
Hits:
~1000
Detections:
VHO:Backdoor.Win32.Agent.gen Trojan-Spy.Noon.HTTP.ServerRequest Trojan-Spy.Win32.Noon.sb Trojan.MSIL.Crypt.sb PDM:Trojan.Win32.Generic Backdoor.Agent.HTTP.C&C Trojan.MSIL.Taskun.sb Trojan.MSIL.Inject.sb HEUR:Trojan-PSW.MSIL.Agensla.gen
Verdict:
Suspicious
Score:
98%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.50 Win 32 Exe x86
Verdict:
Malicious
Threat:
Family.FORMBOOK
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2025-10-14 09:29:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
20 of 24 (83.33%)
Threat level:
2/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
unc_loader_037
formbook
Similar samples:
+ 230 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:
Unknown
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
b794ed0c0c7d4499d0a2ffff67eb5b92dba83f4be7964591e9edad2755176511
MD5 hash:
2a576318d07470206dd7c45f7d896078
SHA1 hash:
3096b2a5ccd98583949a9f57842d5547b50bbc29
SH256 hash:
a2df9936a7fba473f166cac5325728bd87eafd388619a83af5ca2930945daf80
MD5 hash:
5a1e3da1d469ad51d5517c9f78d12c5b
SHA1 hash:
53d7bf044aaa24db09ca8e4df3555d4194927cdd
SH256 hash:
d56c2062231621bc2c7ca5d2efa6f269520dd56f6fc3a02ec0de5ea1691b1892
MD5 hash:
7ef79b61229fe1b69c7580f05fea3e79
SHA1 hash:
ef52a1a175f86c9b405c117574545d6dbf17caf1
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
4e247caa6bce726ca29be1d0f447e9bc8c3d8cd70df41e34457d74659439b71d
MD5 hash:
400e3c2597993a6670d65ce3326fcfbf
SHA1 hash:
26077d92ff5151301f3247902680e2adf3b7b8f8
SH256 hash:
71ebe950f825087c4c296fe5436be30c245c7c2a0605564b53274abe9bccbf55
MD5 hash:
611283f2ddce297367f0c4be1f275cd4
SHA1 hash:
23a950b0b563cf482f2c06f43479e78dafe6be62
Malware family:
FormBook
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: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | pe_imphash |
|---|
| 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
Delivery method
Distributed via e-mail attachment
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