MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 c6113d38b157b316943297f3981f9cb3291e0c4b62fbbded5143d115586fd1dc. 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: 20
| SHA256 hash: | c6113d38b157b316943297f3981f9cb3291e0c4b62fbbded5143d115586fd1dc |
|---|---|
| SHA3-384 hash: | 39594762c15bb2e35f219193382e098ea701c2adcc6e4a918b21ea1600352c5751494b4d1271f23cde88057aa0b82a04 |
| SHA1 hash: | a3d1a1be3ec7a5943ea6a88ee36a67f18827f7f5 |
| MD5 hash: | 8185589aa1008dfaf5c591846c912512 |
| humanhash: | monkey-jig-river-vermont |
| File name: | RFQ 671711.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 787'456 bytes |
| First seen: | 2025-04-05 06:12:58 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:DkWkliMvb06LUn//XjkaGA1sHpYQG+DR2tOxEm6G6PvdARNj/p:utUn3SbHeM2tKEmCqjx |
| Threatray | 4'823 similar samples on MalwareBazaar |
| TLSH | T187F4A13D38BA12A784B6D2A7DBE7F827B178942F30256DB554D307A143C2947B8C326D |
| 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 |  abuse_ch |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
2'250
Origin country :
NLVendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
RFQ671711.exe
Verdict:
Malicious activity
Analysis date:
2025-04-05 06:17:14 UTC
Tags:
formbook stealer xloader
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:
agenttesla micro krypt msil
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
obfuscated packed phishing vbnet
Verdict:
Malicious
Labled as:
Trojan.Generic
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: CMSTP Execution Process Creation
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Detection:
formbook
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2025-04-03 10:42:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
25 of 36 (69.44%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
unc_loader_037
formbook
Similar samples:
+ 4'813 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:hy09 discovery execution rat spyware stealer trojan
Behaviour
Gathers network information
Modifies registry class
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
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:
c6113d38b157b316943297f3981f9cb3291e0c4b62fbbded5143d115586fd1dc
MD5 hash:
8185589aa1008dfaf5c591846c912512
SHA1 hash:
a3d1a1be3ec7a5943ea6a88ee36a67f18827f7f5
SH256 hash:
d7b5ea2efe8f743c7a57fd8c98b778ff878d4ae864c1445de453d62046ea7143
MD5 hash:
2d1bc48a428d487d4f14ba7f3b6d5bd0
SHA1 hash:
9fc7bd58c66018ef79f3c9b38d3cb2dd1e41aa1b
SH256 hash:
5651664c359c66b0fe06c4958e9325ab8c26b5ef7f424b084d0f1b03d7a2e37e
MD5 hash:
969fbe762322147e553cedaed58c5e44
SHA1 hash:
aaf15611a684e9d27117011550ac2ea6ca400368
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
d0149e5663c0ed4d608922d8f32984baae34882f997fbb249cf953be957b5f54
MD5 hash:
e9ccaa2d599e71a6f5079254e889f80b
SHA1 hash:
f41a077cbbd8a343896de57ee780fa45519bfe3a
Detections:
win_formbook_w0
win_formbook_g0
win_formbook_auto
FormBook
Windows_Trojan_Formbook
Formbook
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: | AgentTesla_DIFF_Common_Strings_01 |
|---|---|
| Author: | schmidtsz |
| Description: | Identify partial Agent Tesla strings |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| 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.
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 (HIGH_ENTROPY_VA) | high |
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