MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a4adfd6755c154832748d113637ec27285b103f719badc5ea7c142409b77d52d. 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: 17
| SHA256 hash: | a4adfd6755c154832748d113637ec27285b103f719badc5ea7c142409b77d52d |
|---|---|
| SHA3-384 hash: | b207b1fca9c0530c295eb48aa5a7024951790bd8705daad2559449fe646f7923e43a1861477b2ece76d368050ef563e2 |
| SHA1 hash: | 5a77c01373b6866d87a47328224af7ad2064baef |
| MD5 hash: | b1aa20281b235ad23bf137347003f6f6 |
| humanhash: | spaghetti-ack-triple-kentucky |
| File name: | FedEx Receipt_AWB#77053232037.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 769'536 bytes |
| First seen: | 2025-11-18 07:56:00 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 12288:0AtxsVFN4pC+Zf64wjOfm7MiM1R0eZUELbzzuu4Mx89IzIvdTvNot:98NFCC4wi/0eWOGdx9KIlJo |
| Threatray | 2'282 similar samples on MalwareBazaar |
| TLSH | T150F402A41219EE02C4A21FB81971E3F967B69EC8A411D3574EFEFDD7BD1E70028642E1 |
| 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 | Anonymous |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
116
Origin country :
PLVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_a4adfd6755c154832748d113637ec27285b103f719badc5ea7c142409b77d52d.exe
Verdict:
No threats detected
Analysis date:
2025-11-18 08:06:37 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:
91.7%
Tags:
shell micro spawn
Result
Verdict:
Malware
Maliciousness:
Behaviour
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
Creating a file
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
masquerade packed
Verdict:
Malicious
Labled as:
Genie8DN.Generic
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-18T04:29:00Z UTC
Last seen:
2025-11-20T06:33:00Z UTC
Hits:
~1000
Detections:
Backdoor.Agent.HTTP.C&C Trojan.MSIL.Taskun.sb Trojan.MSIL.Inject.sb Trojan.MSIL.Crypt.sb Trojan-Spy.Noon.HTTP.ServerRequest PDM:Trojan.Win32.Generic HEUR:Trojan-PSW.MSIL.Agensla.gen
Verdict:
Malicious
Score:
100%
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: 0.33 Win 32 Exe x86
Verdict:
Malicious
Threat:
Family.FORMBOOK
Threat name:
ByteCode-MSIL.Trojan.Darkcloud
Status:
Malicious
First seen:
2025-11-18 07:56:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
24 of 38 (63.16%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
unc_loader_078
unc_loader_037
Similar samples:
+ 2'272 additional samples on MalwareBazaar
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
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a4adfd6755c154832748d113637ec27285b103f719badc5ea7c142409b77d52d
MD5 hash:
b1aa20281b235ad23bf137347003f6f6
SHA1 hash:
5a77c01373b6866d87a47328224af7ad2064baef
SH256 hash:
0748253bb84d8fd3277d926bee9aae97560c37921ccb3d1dbf3199fae3e62a20
MD5 hash:
0b2dd04f55951e3d7e42268c47161128
SHA1 hash:
1b4cd4e9944032fe88cac5dc0c5fc46d2189b327
SH256 hash:
b43de2596d8162ece2d7aacdb9af08187040e94c9889ed38aa958edd59a624e3
MD5 hash:
cf957c89b9df196b9be315d338233d45
SHA1 hash:
8d3150c12ac2df9e3d99db1fd3fd3c04ecb2a7be
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
079f1dff2961325a3476c64504ffcd4d878d13b54717f8810258d368a97985de
MD5 hash:
cd9b1f48cd03880d3fc612a29cbc6450
SHA1 hash:
af47ec6e1c1f25ce7ad52c8d527fdbf2bb60cc1f
SH256 hash:
7024a0df6f1a45b934669fc0bd717b8fd3fcc8cbaf201150ba0e7a3198822d0c
MD5 hash:
2c4b43ae99f679219b138694c116619f
SHA1 hash:
af14d57b9cea635da88e9be0cf6458b9743db7d5
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| 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 |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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