MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 874ee8f230f9d4ff0446d583f123f9822a34e990d57fcb235789c5bfbfebb73d. 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: 13
| SHA256 hash: | 874ee8f230f9d4ff0446d583f123f9822a34e990d57fcb235789c5bfbfebb73d |
|---|---|
| SHA3-384 hash: | ce4ef8105c482c971d00e3df53f056f4758164f5bc4f9735acd5c248247fbb5943e6f5f3f35736e98414b480381fd6fc |
| SHA1 hash: | 29c4f1112df68265a85694d6e6db49c0e803f082 |
| MD5 hash: | 88481e276be17c3b410bb120835aa005 |
| humanhash: | delaware-rugby-charlie-lion |
| File name: | Incorrect Invoice.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 401'955 bytes |
| First seen: | 2023-09-12 13:34:51 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 429 x GuLoader) |
| ssdeep | 12288:/YbUekX/aZCJyeXQISysEZ/TKbDXhv+qO:/YbK/XjXMyB9TKbbhFO |
| Threatray | 51 similar samples on MalwareBazaar |
| TLSH | T11784231C68B6C117CDC202731B39A6BB16BB590247AC1F8F5365E6147DE2270DA1FB8B |
| 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 | b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla) |
| Reporter |  lowmal3 |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
303
Origin country :
DEVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Incorrect Invoice.exe
Verdict:
Malicious activity
Analysis date:
2023-09-12 13:36:12 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Searching for the window
Сreating synchronization primitives
Unauthorized injection to a recently created process by context flags manipulation
Gathering data
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
control formbook lolbin masquerade overlay packed shell32
Verdict:
Malicious
Labled as:
Trojan.Generic
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.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample has a suspicious name (potential lure to open the executable)
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-09-05 23:59:28 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
29 of 38 (76.32%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 41 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Program crash
Drops file in System32 directory
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
0a2e88ba422c97f526baa06f6d85736f05a4907662b39aef2fd4e47ea5a84928
MD5 hash:
34c12761b89ee49c06e1e5e26251b9cf
SHA1 hash:
d5088cec1aa86a77a7f5983bf90ee677b3d2df80
Detections:
win_formbook_w0
win_formbook_g0
SH256 hash:
568a7da2bff42094514b3c8cda6ddbb35ee512c1555e6108bc4a8f1b0ca82f05
MD5 hash:
9c399b7c7da398a5912deba1b7712327
SHA1 hash:
8b914fe46df7335df48e5abf6cda0a668af17faf
SH256 hash:
7a0b08707bbb0dd74fe7ccce936dbb5f6fbd6bd95f2bc5a6fddf245f847aaaac
MD5 hash:
e4f15ab3aa56de902802379d3ab8124f
SHA1 hash:
70b22e31896b07dec54f66b71a7aaea7a04c17ed
SH256 hash:
874ee8f230f9d4ff0446d583f123f9822a34e990d57fcb235789c5bfbfebb73d
MD5 hash:
88481e276be17c3b410bb120835aa005
SHA1 hash:
29c4f1112df68265a85694d6e6db49c0e803f082
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: | Windows_Trojan_Formbook |
|---|---|
| Author: | @malgamy12 |
| Rule name: | Windows_Trojan_Formbook_1112e116 |
|---|---|
| Author: | Elastic Security |
| Rule name: | win_formbook_w0 |
|---|---|
| Author: | @malgamy12 |
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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