MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 9810ab66c158dd9b0a7ca2a298c2cd00d1d682d146499b0854f41e92d7e709ae. 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: | 9810ab66c158dd9b0a7ca2a298c2cd00d1d682d146499b0854f41e92d7e709ae |
|---|---|
| SHA3-384 hash: | 1a22feab7885b1a5cf38327a9182cf3c947ab07ac128550e550f855e3b5da1627f54bf8d651f53b750f888e195003b42 |
| SHA1 hash: | 034a0a1e1799897ab6b775deaea1b721f015e709 |
| MD5 hash: | 1667c18ff378545f03b7191967f3744f |
| humanhash: | nevada-triple-six-robin |
| File name: | neuer Katalog2022.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'027'072 bytes |
| First seen: | 2022-02-11 18:09:26 UTC |
| Last seen: | 2022-02-11 19:50:50 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 24576:+wlkEArMuO8GZBTxywbyb4IYgmQVDRzmJzCXOtzutmP:VyVcZBF+EimMUJzC1m |
| Threatray | 13'222 similar samples on MalwareBazaar |
| TLSH | T1FA25E182F358A7A1D52A357996A68D103373BD7B4834D20A6FC4FD192B7F3836932907 |
| File icon (PE): |  |
| dhash icon | d4ccc8c8ccc4d0dc (5 x Formbook, 2 x NanoCore) |
| Reporter |  abuse_ch |
| Tags: | DEU exe FormBook geo |
Intelligence
File Origin
# of uploads :
2
# of downloads :
297
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
DNS request
Adding an access-denied ACE
Launching a process
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Launching cmd.exe command interpreter
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated packed
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.expl.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Found malware configuration
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)
Multi AV Scanner detection for domain / URL
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Detection:
xloader
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-02-11 14:04:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
17 of 28 (60.71%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 13'212 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:formbook family:xloader campaign:iepw loader persistence rat spyware stealer suricata trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Executes dropped EXE
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
183630191b8ed86af631066fddb46a3c8f897f23d027407b30c33d350830121d
MD5 hash:
732a5acdac279eefae3f700183e78d51
SHA1 hash:
01e31c4b03205a5571884ec590cf4b955e1e637d
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
94d5a661d4413b5b6b8337fda484d4661368d12363963c6c76ba7843d2446f8f
MD5 hash:
9d6d04c134aa7d46a6b5726c6f23109c
SHA1 hash:
23008008361742d49f594a3b0deac44724927b2a
Detections:
win_formbook_g0
SH256 hash:
4e4e44be6480e29fcfc43ba490b60e546f1567fd04ce55a49e54094c7240ca03
MD5 hash:
257dc6e2dabc1f11c6c13e9aaf38aea9
SHA1 hash:
21773760a749812cf89ca246a1524e3142946d63
SH256 hash:
bd05783ca9f9395e13ec08642ece68f8a12823749997839d5006c46ace34fd24
MD5 hash:
1c1dd463253c8854c31e69bfd52db9aa
SHA1 hash:
0ce1b77341920f54cf52d8dbb7694ba540bfacea
SH256 hash:
70b785e5cb5b2e61c0f5da4a71ab0bbd14d9a0849387f037e0d75cc1ffe0a082
MD5 hash:
5951b52c9b4d11ca7f4f33e5a3fb2c31
SHA1 hash:
0bc54fd699fff7b93e5c447a141c0d904924ab0d
SH256 hash:
9810ab66c158dd9b0a7ca2a298c2cd00d1d682d146499b0854f41e92d7e709ae
MD5 hash:
1667c18ff378545f03b7191967f3744f
SHA1 hash:
034a0a1e1799897ab6b775deaea1b721f015e709
Malware family:
XLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
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: | crime_win32_ransom_avaddon_1 |
|---|---|
| Author: | @VK_Intel |
| Description: | Detects Avaddon ransomware |
| Reference: | https://twitter.com/VK_Intel/status/1300944441390370819 |
| Rule name: | downloader_macros |
|---|---|
| Author: | ddvvmmzz |
| Description: | downloader macros |
| Rule name: | exec_macros |
|---|---|
| Author: | ddvvmmzz |
| Description: | exec macros |
| Rule name: | malware_Formbook_strings |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Formbook in memory |
| Reference: | internal research |
| Rule name: | obfuscate_macros |
|---|---|
| Author: | ddvvmmzz |
| Description: | obfuscate macros |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | win_formbook_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.formbook. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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