MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a61f90080667f49f558e5de7716f2f81cbbbe0b12b31fd7cf5aea45bfbb864b0. 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
| SHA256 hash: | a61f90080667f49f558e5de7716f2f81cbbbe0b12b31fd7cf5aea45bfbb864b0 |
|---|---|
| SHA3-384 hash: | 8a58acba3e9ed2ff11838f583afdcee7a30d746b34ad1143ce2e5d4975b85e95d293bdf0245f18a295b12ab76130d258 |
| SHA1 hash: | 2a35d13287e6562e72aa4b3e170468afe9bbdd31 |
| MD5 hash: | cf8a95a52c1f50120e6876843c55d872 |
| humanhash: | comet-speaker-robert-diet |
| File name: | INVOICE NO 105 + SOA.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 511'447 bytes |
| First seen: | 2023-10-16 14:05:44 UTC |
| Last seen: | 2023-10-18 06:33:33 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f4639a0b3116c2cfc71144b88a929cfd (98 x GuLoader, 53 x Formbook, 39 x VIPKeylogger) |
| ssdeep | 12288:DfLRnJdJ9Cb7kuFNgtxuMZiTK+jxSnDhM1:DfLRJAbFFN4Ybj8hU |
| Threatray | 17 similar samples on MalwareBazaar |
| TLSH | T192B42340B2E04CB2E6951BB54B7939260EEFFC1925A64A4F47D03744ACF4BE6290FBD1 |
| 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 | eccc8c94d4d8e8f4 (21 x Formbook, 15 x AgentTesla, 5 x Loki) |
| Reporter |  malwarelabnet |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
3
# of downloads :
310
Origin country :
CAVendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
message__20231016045656_C9BC0FA26969E086_pargasiran_com_.eml
Verdict:
Malicious activity
Analysis date:
2023-10-16 02:22:28 UTC
Tags:
formbook xloader stealer spyware
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Reading critical registry keys
Launching a process
Sending an HTTP POST request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Gathering data
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
control installer 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.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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
Injects a PE file into a foreign processes
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Garf
Status:
Malicious
First seen:
2023-10-15 22:21:23 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
22 of 37 (59.46%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 7 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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
7e84a3bcb315e6a7b479340baaa3535d77060520ea01ec1cf95be7b029097d0a
MD5 hash:
9a26ae26e1c5ba9b15ed4b8f76c42d74
SHA1 hash:
0a467de3a26883f74bf8f3e901c3331e6adbc348
Detections:
win_formbook_w0
win_formbook_g0
SH256 hash:
a61f90080667f49f558e5de7716f2f81cbbbe0b12b31fd7cf5aea45bfbb864b0
MD5 hash:
cf8a95a52c1f50120e6876843c55d872
SHA1 hash:
2a35d13287e6562e72aa4b3e170468afe9bbdd31
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: | pe_no_import_table |
|---|---|
| Author: | qux |
| Description: | Detects exe does not have import table |
| 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.
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