MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8bc27e883c445696fbfedca9bbe3863dfd9f38fb7dd0a8bc058071a7183eae78. 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: | 8bc27e883c445696fbfedca9bbe3863dfd9f38fb7dd0a8bc058071a7183eae78 |
|---|---|
| SHA3-384 hash: | ef0e78428a2fa13862d56a1124977843da841dfe72a1dda1b3ee2fb7610cb0960d8a14f0767611eb72917651f7f01fe7 |
| SHA1 hash: | b2d8cfc753bbc69ed796bce372a12642ae0ab00c |
| MD5 hash: | b356a34b7494689f3c14c52caab4a448 |
| humanhash: | april-moon-blue-oklahoma |
| File name: | RFQ.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 369'978 bytes |
| First seen: | 2023-07-06 06:52:38 UTC |
| Last seen: | 2023-07-06 06:53:04 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader) |
| ssdeep | 6144:vYa6W3SS8vv39VyadVYQXSCRfhaoBG5ymr4+asoATuS98L6:vYo318vviadVHRTBG59r/aLmT/ |
| Threatray | 3'261 similar samples on MalwareBazaar |
| TLSH | T1F27422056AE5C077E8D305346B2B4B231BD8FC1378A1972F5780BA613D71B64EE697B0 |
| 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 |  cocaman |
| Tags: | exe FormBook RFQ |
Intelligence
File Origin
# of uploads :
2
# of downloads :
272
Origin country :
CHVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ.exe
Verdict:
Suspicious activity
Analysis date:
2023-07-06 07:12:47 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Unauthorized injection to a recently created process
Restart of the analyzed sample
Сreating synchronization primitives
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
control lolbin overlay packed shell32
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
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.
Gathering data
Result
Threat name:
NSISDropper, FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-07-05 18:23:57 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
25 of 36 (69.44%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 3'251 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
Loads dropped DLL
Unpacked files
SH256 hash:
411172a3402c81dd2b36b2cc7b1b806e0aaa369bddc61b6f7f02bdfda9d75989
MD5 hash:
7fcbfcde65ee5c733a22288205dd0d7a
SHA1 hash:
49d8493990fe76a70a3a85bbec34ca5ef26402e1
Detections:
win_formbook_w0
win_formbook_auto
win_formbook_g0
win_formbook_w0
win_formbook_auto
win_formbook_g0
win_formbook_w0
win_formbook_auto
win_formbook_g0
SH256 hash:
68a9990eb120a2ae928282e3b7368e1f7c77eade008ad56b049f05388f0c0b22
MD5 hash:
8915a72738f2cff1395402d6d46da47d
SHA1 hash:
5102e8055c4f360702a48654c1a221c81e0c213a
SH256 hash:
de77fa023ded5d0e6c8049460dda0a2d9297a21f59601de05fcfcc082e3a122a
MD5 hash:
8fb0fb6ec36de0c24b25b6b29fcaeba3
SHA1 hash:
b29869b25c29771a7bce9792d7af3498f6acd284
SH256 hash:
411172a3402c81dd2b36b2cc7b1b806e0aaa369bddc61b6f7f02bdfda9d75989
MD5 hash:
7fcbfcde65ee5c733a22288205dd0d7a
SHA1 hash:
49d8493990fe76a70a3a85bbec34ca5ef26402e1
Detections:
win_formbook_w0
win_formbook_auto
win_formbook_g0
win_formbook_w0
win_formbook_auto
win_formbook_g0
win_formbook_w0
win_formbook_auto
win_formbook_g0
SH256 hash:
68a9990eb120a2ae928282e3b7368e1f7c77eade008ad56b049f05388f0c0b22
MD5 hash:
8915a72738f2cff1395402d6d46da47d
SHA1 hash:
5102e8055c4f360702a48654c1a221c81e0c213a
SH256 hash:
de77fa023ded5d0e6c8049460dda0a2d9297a21f59601de05fcfcc082e3a122a
MD5 hash:
8fb0fb6ec36de0c24b25b6b29fcaeba3
SHA1 hash:
b29869b25c29771a7bce9792d7af3498f6acd284
SH256 hash:
411172a3402c81dd2b36b2cc7b1b806e0aaa369bddc61b6f7f02bdfda9d75989
MD5 hash:
7fcbfcde65ee5c733a22288205dd0d7a
SHA1 hash:
49d8493990fe76a70a3a85bbec34ca5ef26402e1
Detections:
win_formbook_w0
win_formbook_auto
win_formbook_g0
win_formbook_w0
win_formbook_auto
win_formbook_g0
win_formbook_w0
win_formbook_auto
win_formbook_g0
SH256 hash:
68a9990eb120a2ae928282e3b7368e1f7c77eade008ad56b049f05388f0c0b22
MD5 hash:
8915a72738f2cff1395402d6d46da47d
SHA1 hash:
5102e8055c4f360702a48654c1a221c81e0c213a
SH256 hash:
de77fa023ded5d0e6c8049460dda0a2d9297a21f59601de05fcfcc082e3a122a
MD5 hash:
8fb0fb6ec36de0c24b25b6b29fcaeba3
SHA1 hash:
b29869b25c29771a7bce9792d7af3498f6acd284
SH256 hash:
8bc27e883c445696fbfedca9bbe3863dfd9f38fb7dd0a8bc058071a7183eae78
MD5 hash:
b356a34b7494689f3c14c52caab4a448
SHA1 hash:
b2d8cfc753bbc69ed796bce372a12642ae0ab00c
Malware family:
XLoader
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: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
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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