MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4c55b72d6382b77ef4ba16dbb46b590e0db7a4aa888ddb82e73936e0623f9102. 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: 12
| SHA256 hash: | 4c55b72d6382b77ef4ba16dbb46b590e0db7a4aa888ddb82e73936e0623f9102 |
|---|---|
| SHA3-384 hash: | 1dfdd933752ef7df6375a17e1acdf04eb5af9cf6165dd66e03ca1e8450a163d673116638c72854b2a719a00c64f5166f |
| SHA1 hash: | aee0973dbdc00e1e037fcba04103759176ae3629 |
| MD5 hash: | 9405e8f46d4b384d9bf72a25e809d3d2 |
| humanhash: | papa-asparagus-uranus-single |
| File name: | PURCHASE ORDER.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 602'940 bytes |
| First seen: | 2023-10-02 07:26:14 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 9dda1a1d1f8a1d13ae0297b47046b26e (64 x Formbook, 39 x GuLoader, 22 x RemcosRAT) |
| ssdeep | 12288:QnPdVP7r9r/+ppppppppppppppppppppppppppppp0Yuxwp0gFmKD/E+gpiCeW/0:4PdV1MuKdd+/ZQZABv24pa |
| Threatray | 30 similar samples on MalwareBazaar |
| TLSH | T1E3D4ADC5EA40A5A0DD59AB306A37CD3542237EFDA874952C25DE3E2B3FFB2935026053 |
| TrID | 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10523/12/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | d4c4c4d8ccd4f0cc (241 x AgentTesla, 65 x Loki, 41 x Formbook) |
| Reporter |  cocaman |
| Tags: | exe FormBook INVOICE |
Intelligence
File Origin
# of uploads :
1
# of downloads :
300
Origin country :
CHVendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Unauthorized injection to a recently created process by context flags manipulation
Gathering data
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
control lolbin masquerade overlay packed shell32
Verdict:
Malicious
Labled as:
Malware
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.
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook, NSISDropper
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Threat name:
Win32.Ransomware.Strab
Status:
Malicious
First seen:
2023-10-02 03:03:35 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
17 of 23 (73.91%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 20 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
n/a
Behaviour
Enumerates system info in registry
Gathers network information
Modifies Internet Explorer settings
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
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
fafd8dd29534228b0631a6019c2b647113b451306077f4db25e0b536967bd76f
MD5 hash:
1ebf9d767d3716de4df1e47b5663f9f0
SHA1 hash:
d4fe24d58d1803a856b1980e9b1ad69d2c9338ef
SH256 hash:
4c55b72d6382b77ef4ba16dbb46b590e0db7a4aa888ddb82e73936e0623f9102
MD5 hash:
9405e8f46d4b384d9bf72a25e809d3d2
SHA1 hash:
aee0973dbdc00e1e037fcba04103759176ae3629
Detections:
win_cannon_auto
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: | DebuggerCheck__GlobalFlags |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerCheck__QueryInfo |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerHiding__Active |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerHiding__Thread |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | maldoc_find_kernel32_base_method_1 |
|---|---|
| Author: | Didier Stevens (https://DidierStevens.com) |
| Rule name: | maldoc_getEIP_method_1 |
|---|---|
| Author: | Didier Stevens (https://DidierStevens.com) |
| Rule name: | MD5_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for MD5 constants |
| Rule name: | meth_get_eip |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | meth_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | RIPEMD160_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for RIPEMD-160 constants |
| Rule name: | SEH__vectored |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | SHA1_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA1 constants |
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
| Rule name: | win_cannon_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | autogenerated rule brought to you by yara-signator |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Other
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