MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b8d4ae77768d8215b18cec06a4d0266caa302ef62715cc16e0c521cf8a90b686. 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: | b8d4ae77768d8215b18cec06a4d0266caa302ef62715cc16e0c521cf8a90b686 |
|---|---|
| SHA3-384 hash: | c5677b65b4e8ac57d593669e65145e5f6a720413faa2b285b9dab8d4e0070651bc5e4d74612bb3199be1b1ef85320091 |
| SHA1 hash: | 1831d83bc182b83e73529d3c92d95979ab3c6c1f |
| MD5 hash: | c0f0952183c45d9dc72f122c696c037a |
| humanhash: | tango-utah-oxygen-triple |
| File name: | c0f0952183c45d9dc72f122c696c037a |
| Download: | download sample |
| Signature | Formbook |
| File size: | 955'392 bytes |
| First seen: | 2022-05-10 12:08:02 UTC |
| Last seen: | 2022-05-10 12:52:02 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger) |
| ssdeep | 12288:/mGDfxt7J0YFGGh+jg4jExZYx+dA3smJR6hLxqttyE5JySqMdr:52Mth8qxZvdLmT6hLwjyg |
| TLSH | T1D8158C50B2D8EE99E42962B1C835C5F00731BE09C5B6D60F29997DCE38B33436666F1B |
| TrID | 54.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 23.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 7.8% (.EXE) Win64 Executable (generic) (10523/12/4) 4.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.3% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | f26efec4b6c2c00c (24 x AgentTesla, 14 x Loki, 12 x Formbook) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
230
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c0f0952183c45d9dc72f122c696c037a
Verdict:
Malicious activity
Analysis date:
2022-05-10 20:35:59 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
UNKNOWN
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
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2022-05-10 12:09:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
38
AV detection:
20 of 26 (76.92%)
Threat level:
2/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:dt25 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
8f578aaf78b01a70822f7b72fda11b779bba93cc7e37b4778fa17457bb41c622
MD5 hash:
6cfca071eac0e7879d2ff376a86a0a47
SHA1 hash:
018bf6b0841e486f6414f1b9d1eb7dca395f3b16
SH256 hash:
92e1528b1f82cea85003e5ba5e860751afbc15b1d3d92b4e0e494167a0df96f1
MD5 hash:
982903e4825fa50906b2d31f1ca0ff78
SHA1 hash:
2323131e5da584e6897bb1769dfde26d7c964a20
SH256 hash:
9733423b2797d5e1ffc16fc5c1df522b709ad6ba25714021456441fe7bdd7ae8
MD5 hash:
7322ae66dce19df036432b5d6afe9297
SHA1 hash:
ef7a7cac65857c565482b6e09f6740efd14564ab
SH256 hash:
e32d9ce9466a96dcde0990935c73d75a5b8e856facc39758c7b294cc3e7023df
MD5 hash:
5bcc51ef5ad0228cc38c685194016e65
SHA1 hash:
f8d68adc74534acb0a1aa2e2c73c89868e43f945
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
b8d4ae77768d8215b18cec06a4d0266caa302ef62715cc16e0c521cf8a90b686
MD5 hash:
c0f0952183c45d9dc72f122c696c037a
SHA1 hash:
1831d83bc182b83e73529d3c92d95979ab3c6c1f
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
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: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
Comments
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