MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a92311d1cc4808a5616f33a1592e9a00aa5efe0c47623e5e364068c7d7c9b0d5. 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: 10
| SHA256 hash: | a92311d1cc4808a5616f33a1592e9a00aa5efe0c47623e5e364068c7d7c9b0d5 |
|---|---|
| SHA3-384 hash: | 233afce936bd4c74aff55639591722f8e8b21ec86475ebed56ce5b6fab23e066ee110aabc28afa4c30859a6b367fd6de |
| SHA1 hash: | d7adcb0571c772c635428163f6a1bff803d66bdb |
| MD5 hash: | 8395c33dae6d83e94a99de23ef1d777c |
| humanhash: | india-kilo-fifteen-ohio |
| File name: | 8395c33dae6d83e94a99de23ef1d777c |
| Download: | download sample |
| Signature | Formbook |
| File size: | 909'312 bytes |
| First seen: | 2023-09-19 08:24:04 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:H0zxkAaeLNrte5E7Rwypk7IDcuKy/fWzn4FKESHulFDkcZu+VGlFyLNoJAj4zWnc:OaAFswVSErZu |
| Threatray | 31 similar samples on MalwareBazaar |
| TLSH | T1CB152F2839AA500DB3729E656BFC75B6C15EF6F226324C7B0DF7024624129F0DB9C53A |
| TrID | 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10523/12/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4505/5/1) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
278
Origin country :
FRVendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-vm control lolbin packed replace
Verdict:
Malicious
Labled as:
Malware
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.
Verdict:
Unknown
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large strings
Allocates memory in foreign processes
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
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-09-19 04:13:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 21 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
8/10
Tags:
spyware stealer
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Unpacked files
SH256 hash:
80f4285065d769ff664f8563914300ecefbd6239bcfe9dc4d7b23018b55932c2
MD5 hash:
50d7e3ae7bd8bf65a0ae5c68f8416336
SHA1 hash:
3aec0248234dd361a03c7f964eaddeb539201b3a
SH256 hash:
aab675e1d0de07a27ab2d187b58eea08dd380dd5514045e64e2518a4b6451911
MD5 hash:
1ac716dc61a301dbc7f1e92d91ae601e
SHA1 hash:
0ee83cd50b71cbdbb7f97de4e5960c564d30cd24
SH256 hash:
acbba986cf26cd68471d4826b5e637c784cbe85003ddb59fce1556471f72b208
MD5 hash:
6623308399f637b62312b90cdc655ea9
SHA1 hash:
5bf0a46642d032d9ca5a2fc6e4df91ec0800e812
SH256 hash:
a92311d1cc4808a5616f33a1592e9a00aa5efe0c47623e5e364068c7d7c9b0d5
MD5 hash:
8395c33dae6d83e94a99de23ef1d777c
SHA1 hash:
d7adcb0571c772c635428163f6a1bff803d66bdb
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
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: | DebuggerCheck__GlobalFlags |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerCheck__QueryInfo |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerHiding__Active |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerHiding__Thread |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | maldoc_find_kernel32_base_method_1 |
|---|---|
| Author: | Didier Stevens (https://DidierStevens.com) |
| Rule name: | maldoc_getEIP_method_1 |
|---|---|
| Author: | Didier Stevens (https://DidierStevens.com) |
| Rule name: | MD5_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for MD5 constants |
| Rule name: | meth_get_eip |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | RIPEMD160_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for RIPEMD-160 constants |
| Rule name: | SEH__vectored |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | SHA1_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA1 constants |
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
| 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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You need to login to in order to write a comment. Login with your abuse.ch account.url : hxxp://194.180.49.211/bas/RRA.exe