MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4b3f362d3387425cabf5d14c5aa48002769c4e876398dae8b797870c99752db0. 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: 14
| SHA256 hash: | 4b3f362d3387425cabf5d14c5aa48002769c4e876398dae8b797870c99752db0 |
|---|---|
| SHA3-384 hash: | 81926e3cbdac7680a91844348dbac909e4d028c545564f539d3be8c7334b9b71f5d245da8e7c0893fb50ca2b196f07f0 |
| SHA1 hash: | ba995128261142ba3df6753c92f18ac89db228e0 |
| MD5 hash: | 1794de6a2037afd4566fb715d1c29241 |
| humanhash: | sierra-salami-vegan-ten |
| File name: | 1794de6a2037afd4566fb715d1c29241 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 501'760 bytes |
| First seen: | 2022-07-14 04:22:38 UTC |
| Last seen: | 2022-07-15 03:19:19 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 6144:yLIDewZYB/ZSWhxVShPBUKoPToq/0vEG5BdC0UpgLOCXzQpD4TPhgUcR:yUDMBhStBUdToGs5E0W8OCXzQJGPhf |
| TLSH | T117B4E01ABA67CE02C2E55F77D5E650000374EA479613DB4F3ACE139A09037EB9D85B8B |
| TrID | 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 11.5% (.SCR) Windows screen saver (13101/52/3) 9.2% (.EXE) Win64 Executable (generic) (10523/12/4) 5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.9% (.EXE) Win32 Executable (generic) (4505/5/1) |
| Reporter |  openctibr |
| Tags: | exe FormBook OpenCTI.BR Sandboxed |
Intelligence
File Origin
# of uploads :
2
# of downloads :
138
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
packed shell32.dll
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Detection:
xloader
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-06-14 11:25:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
23 of 26 (88.46%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:uf61 loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader payload
Xloader
Unpacked files
SH256 hash:
fb07f60ee6a1e9b8a1b7b24de6c6c7db0de5ae9e168481a4186aec70466b0acf
MD5 hash:
8ffc428072f3ce21b01f01dc01f44da9
SHA1 hash:
4d4a843c9a567467ec7bc235d3e8baf6bf41d4dd
Detections:
win_formbook_g0
win_formbook_auto
XLoader
SH256 hash:
f40ca8fab377c53a7f1adf3eead63dc60ef9bb988e16631566d1649a01ebc72a
MD5 hash:
e827a8fcf99c69186787d8b82475347c
SHA1 hash:
da15ebe8cfef4bce0f31b2a00bce7809c1aa1359
SH256 hash:
cb760905208e4b3c453e99a8340ac5c212a4470eb00588ba0d04f7b69fe4fde4
MD5 hash:
c5845ca03da8373fe996a7a8eac99912
SHA1 hash:
7bef27458bd4b5b1af3b3049d4df3cfd2f4a1050
SH256 hash:
2fe9852668ae6b7715a5c6f8764744f9cb2ef3163adf0f360728f628d42ce916
MD5 hash:
26bfda201145c515616dbb9243785084
SHA1 hash:
4133e7329a79766bbe670a398fdfb442eb70487d
SH256 hash:
4b3f362d3387425cabf5d14c5aa48002769c4e876398dae8b797870c99752db0
MD5 hash:
1794de6a2037afd4566fb715d1c29241
SHA1 hash:
ba995128261142ba3df6753c92f18ac89db228e0
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
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