MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f40a38225821147424c40ad23f18de1859e7c2ca11ae544387aed8ae2583b364. 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: 16
| SHA256 hash: | f40a38225821147424c40ad23f18de1859e7c2ca11ae544387aed8ae2583b364 |
|---|---|
| SHA3-384 hash: | 5bbb107f9401545265a79a3675776153a3abdc556f39b577ddd4f24651111b536b187ea648ab4ed14aa5a72cb4a69914 |
| SHA1 hash: | e62f150cdd4cab28d7509181021ad6a0a286f935 |
| MD5 hash: | 3784b10d0565c915a99e5877beff9ef3 |
| humanhash: | yellow-tango-california-cup |
| File name: | 3784b10d0565c915a99e5877beff9ef3 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 550'912 bytes |
| First seen: | 2022-05-17 08:12:31 UTC |
| Last seen: | 2022-05-17 08:53:43 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 6144:wCQI/q+UonQiF0kBcEVF2Guwc5AaBlaFENg1mLChGHOzRF8toLobahb81f8SrnwH:wmjykBNiJeanAE6vhGRtYoba8drnwpC |
| Threatray | 15'714 similar samples on MalwareBazaar |
| TLSH | T125C423E6BBA44326D73A1BFD42684AA057353E527251E78F1CC718D903B37818FE4A63 |
| TrID | 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.4% (.EXE) Win64 Executable (generic) (10523/12/4) 6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.4% (.EXE) Win32 Executable (generic) (4505/5/1) 2.0% (.EXE) OS/2 Executable (generic) (2029/13) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
209
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Drawing for specification.xlsx
Verdict:
Malicious activity
Analysis date:
2022-05-17 13:04:23 UTC
Tags:
encrypted exploit CVE-2017-11882 loader trojan formbook stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Detected FormBook malware
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-05-17 04:48:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
22 of 26 (84.62%)
Threat level:
5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 15'704 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:s5hr 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:
75b081bd58a8981d26b7fbd1a806bd91f5487c0a88da1c93005cde4a2671f835
MD5 hash:
2e61bac8096739834335a7cdfb44b858
SHA1 hash:
2e2038180c3244ad36424751bbb3ae36aa297e65
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
709fdbef8932044e42231f14888aa12b12ddc571e6daba8af86d624a39fa63bf
MD5 hash:
a7a6647650fe0204d1ab042824d638be
SHA1 hash:
a1194aba19ab6190a412073fe1918cd1b559aacf
SH256 hash:
0e426a7c0aae660fffa165b69cb1a1f67acbce2c77592c5ce52c37e3e098ab8c
MD5 hash:
9a1304459f03a6611e590dd7f912e04d
SHA1 hash:
57fac49e858b8c872f1d4fac9aef7c7f09951be7
SH256 hash:
cae88ad1d4a72965e04d8145a2ad3f8590a462625abbc4c6851f28d41e272b26
MD5 hash:
3212e8f56dd45571a57bc7e004b730ed
SHA1 hash:
5754fdce380349ddb06552761cae84b549073d2d
SH256 hash:
f40a38225821147424c40ad23f18de1859e7c2ca11ae544387aed8ae2583b364
MD5 hash:
3784b10d0565c915a99e5877beff9ef3
SHA1 hash:
e62f150cdd4cab28d7509181021ad6a0a286f935
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
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: | 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
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.url : hxxp://198.12.89.141/gfm.exe