MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8e06e30fe6a9c4f64a09da567c0a6d2f01b49622f535122736d1dd7177b7f9be. 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: | 8e06e30fe6a9c4f64a09da567c0a6d2f01b49622f535122736d1dd7177b7f9be |
|---|---|
| SHA3-384 hash: | bb8a020a9dd8505135440b83c76dd6768c88d64b6e281dab7421a63a10d21deb13d75acccc1c1e0bb5ccbaa859cbd532 |
| SHA1 hash: | 4f3619eb37373854bde4f1a3e510e5c525f971c7 |
| MD5 hash: | 5ac38c0411769fc70fde438d5d74ceeb |
| humanhash: | bluebird-xray-white-social |
| File name: | Annual Leave and Salary Memo_PDF.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 360'828 bytes |
| First seen: | 2023-08-30 20:35:24 UTC |
| Last seen: | 2023-09-04 08:29:55 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader) |
| ssdeep | 6144:/Ya6evNxhBqtTbVirSLYsL3Y3A/IIHVAg2+C+qpWFtsDUV+ONMI3Uv/rr37FnqTZ:/YIvN/Bqr6szd/IIHuQVFFtscr3Yr02E |
| Threatray | 28 similar samples on MalwareBazaar |
| TLSH | T1C87423579EA6C057FA790F302D348143CF6FDA1304A9AA47A3B14B5EFD926D2CA0E741 |
| 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 |
Intelligence
File Origin
# of uploads :
2
# of downloads :
303
Origin country :
CHVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Annual Leave and Salary Memo_PDF.exe
Verdict:
Malicious activity
Analysis date:
2023-08-30 20:37:43 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
Сreating synchronization primitives
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Gathering data
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
control 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 detection for dropped file
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)
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
Queues an APC in another process (thread injection)
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:
2023-08-30 01:47:45 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
19 of 24 (79.17%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 18 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:
13a3f7469cd3fccc28a2f13f9f14075fbb34f6830b5ae18ac9680e4683122822
MD5 hash:
f2204d5335886f292dc02c0a754874ab
SHA1 hash:
a16afd9c7f1ff8ad19c33b6b313134ffaed8f0ed
SH256 hash:
2141ae9dfbaf58888508ef95f9d59af11c2b44d0b768c2326ed6b5e36592774c
MD5 hash:
1a4a7d876125cf72c693beaa968287af
SHA1 hash:
91cd5a4546e9511d060c05eda13ee3254ae7aa4a
Detections:
win_formbook_w0
win_formbook_g0
SH256 hash:
8370e38ea115b112132a3ee0290cd489c48ca3ad08d6efbb6a82e845482b0e2b
MD5 hash:
4e90643c232b2c88ac72958322b873d5
SHA1 hash:
f040959d3acb90bd547d795a6f582395de08a18f
SH256 hash:
8e06e30fe6a9c4f64a09da567c0a6d2f01b49622f535122736d1dd7177b7f9be
MD5 hash:
5ac38c0411769fc70fde438d5d74ceeb
SHA1 hash:
4f3619eb37373854bde4f1a3e510e5c525f971c7
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
Other
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