MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 659a4586010d7f595e7e25372c8590ed8321e9de68c316bf50999cfabd48c000. 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: 17
| SHA256 hash: | 659a4586010d7f595e7e25372c8590ed8321e9de68c316bf50999cfabd48c000 |
|---|---|
| SHA3-384 hash: | e5491cd8ac767e27f924e96f2ccfcfb3c01887135b266798555f6cabe3c251a1c24868a18df79cdc2d754246ba87ab58 |
| SHA1 hash: | 1a8958e2578ee0b8a621caf3b734485810799398 |
| MD5 hash: | 9685b04c347963e4c2e020693b011ba3 |
| humanhash: | black-undress-nebraska-nevada |
| File name: | Documents.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 883'712 bytes |
| First seen: | 2023-12-19 09:06:46 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger) |
| ssdeep | 12288:fFwEx2iNOnmlNL6PvKWQ51O2u1e1YN4sx90CvYOQ8U6xliR5/r2fnoA1:9wk181PvKWQ5NKAbwqyYOQ8tnimgA1 |
| TLSH | T15E15E43C49BE223BD6B5C2B5CBEC8427F05CA46F3150AD6594DBC3A653C6A4274E322D |
| TrID | 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10523/12/4) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.3% (.EXE) Win32 Executable (generic) (4505/5/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9) |
| Reporter |  cocaman |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
369
Origin country :
CHVendor Threat Intelligence
Detection:
Formbook
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
packed
Verdict:
Malicious
Labled as:
Variadic.A.242.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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-12-18 12:48:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
21 of 23 (91.30%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:gd12 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
f2552628ae2aecc33c79f9293a624cf417ed68a5b245215ab1a80c0e45681cf4
MD5 hash:
7c02821c1c4b16ab162ce3982516b441
SHA1 hash:
cacc651f48a19f16276ff16213086b47a3367049
Detections:
FormBook
win_formbook_w0
win_formbook_auto
win_formbook_g0
Formbook
SH256 hash:
a5ebb4529c10e371f37bdfc9609e954d1765a96c3d823b6c6502f9bb53fc3591
MD5 hash:
4581540742ada9744b409dcc6a7020e8
SHA1 hash:
d17f6e72397ccdcee838e738dd3edd6305ded428
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
c5328f7af843244b56d6a208c322a9315daea139d1b255cda993b243e4394ecf
MD5 hash:
160f4669c06c6496d79a92ea9d33e89b
SHA1 hash:
baae226fdb2a9739f118db781bdc74f2efc6a585
SH256 hash:
659a4586010d7f595e7e25372c8590ed8321e9de68c316bf50999cfabd48c000
MD5 hash:
9685b04c347963e4c2e020693b011ba3
SHA1 hash:
1a8958e2578ee0b8a621caf3b734485810799398
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.91
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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