MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1bc91086e6fe98ad32079eec01e28b01ae0706d513bf494bd321aaf22e641ec. 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


Intelligence 16 IOCs YARA File information Comments

SHA256 hash: b1bc91086e6fe98ad32079eec01e28b01ae0706d513bf494bd321aaf22e641ec
SHA3-384 hash: a44372557af59f97306bb0d2f44b590e6b9e00d781429f09bc0fb3b1eeed43407853aecad2eec53ccbe239084d535f55
SHA1 hash: 10565fb0aed321a137c455cbee8bc4e6edb1111d
MD5 hash: 69d37dee463862114783876992cfa151
humanhash: winner-carpet-victor-georgia
File name:Payment Slip.exe
Download: download sample
Signature Formbook
File size:363'478 bytes
First seen:2022-10-05 12:21:08 UTC
Last seen:2022-10-07 13:17:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (719 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 6144:jNeZnTKu1gRtv6cWG3TofADbNuMGOePLZV6uytBjf3olC6FPtfl:jNHv6cx3TmA3NuMGPPLZVctNfet
TLSH T15E749D58D5449ED6E202B238E5F8FF1D46108FA6713EAB49E531B94178327CF3826D8E
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 9f197f3767531b47 (39 x Formbook, 12 x AgentTesla, 2 x RemcosRAT)
Reporter malwarelabnet
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
238
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Searching for the window
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Reading critical registry keys
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll winlock zeroaccess
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Executable has a suspicious name (potential lure to open the executable)
Found hidden mapped module (file has been removed from disk)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 716671 Sample: Payment Slip.exe Startdate: 05/10/2022 Architecture: WINDOWS Score: 100 42 Snort IDS alert for network traffic 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for dropped file 2->46 48 8 other signatures 2->48 11 Payment Slip.exe 18 2->11         started        process3 file4 34 C:\Users\user\AppData\Local\...\slwrqwpk.exe, PE32 11->34 dropped 14 slwrqwpk.exe 2 11->14         started        process5 file6 36 C:\Users\user\AppData\Local\Temp\506C.tmp, PE32 14->36 dropped 66 Antivirus detection for dropped file 14->66 68 Multi AV Scanner detection for dropped file 14->68 70 Found hidden mapped module (file has been removed from disk) 14->70 72 Tries to detect virtualization through RDTSC time measurements 14->72 18 slwrqwpk.exe 14->18         started        21 conhost.exe 14->21         started        signatures7 process8 signatures9 50 Modifies the context of a thread in another process (thread injection) 18->50 52 Maps a DLL or memory area into another process 18->52 54 Sample uses process hollowing technique 18->54 56 Queues an APC in another process (thread injection) 18->56 23 explorer.exe 18->23 injected process10 dnsIp11 38 www.lllss.club 154.211.7.98, 49702, 80 ANCHGLOBAL-AS-APAnchnetAsiaLimitedHK Seychelles 23->38 40 www.gczav.store 23->40 58 System process connects to network (likely due to code injection or exploit) 23->58 27 cmstp.exe 23->27         started        signatures12 process13 signatures14 60 Modifies the context of a thread in another process (thread injection) 27->60 62 Maps a DLL or memory area into another process 27->62 64 Tries to detect virtualization through RDTSC time measurements 27->64 30 cmd.exe 1 27->30         started        process15 process16 32 conhost.exe 30->32         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-10-05 02:55:38 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:sm28 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
3921e81150ec2e702a55ed8eac9d1af989ac61ca81f6028b52a082ece061ebd2
MD5 hash:
9339b3b543e44dc14988e03d8ec26980
SHA1 hash:
4d663524ea6331df38a4ad19957e65bf9f16f777
SH256 hash:
d830cc01bfbfb6ac041fc55ee5e5d019f5a986e85739768f729d5f6b30830b8f
MD5 hash:
3802237dc26a903187cf7ed85a9ba593
SHA1 hash:
15f23d5934879993118742357f9c7223a9aee8bb
SH256 hash:
b1bc91086e6fe98ad32079eec01e28b01ae0706d513bf494bd321aaf22e641ec
MD5 hash:
69d37dee463862114783876992cfa151
SHA1 hash:
10565fb0aed321a137c455cbee8bc4e6edb1111d
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

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