MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c923b5976862e86bd94180a0f141ff001715eed24b895c1e4e2b066107c40412. 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


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: c923b5976862e86bd94180a0f141ff001715eed24b895c1e4e2b066107c40412
SHA3-384 hash: 6b4eb654da3d38a8f4fe9e511dc349004c19c020c873b197bf51b7d584b0e0db43c5c72085c081e3a87fbd495c996f91
SHA1 hash: 5d448e3ea1ae1603785ecd6371be097b6bbf5e9f
MD5 hash: 1edf928f61d9ae78501dfdc4eb076661
humanhash: failed-winter-sad-sweet
File name:SecuriteInfo.com.Variant.Lazy.247280.13907.11745
Download: download sample
Signature Formbook
File size:290'688 bytes
First seen:2022-09-22 13:00:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:GC3kNNEwg0zwQnfkpmCdrmBnf3wkUhH7ZnMpLCQy1GvhxpMG:D0zwak5KBf3B+Zaug7/
Threatray 110 similar samples on MalwareBazaar
TLSH T1CF54DF8C7A10B68FC467C972CED86C61ABA839771713D113B09376AD890D7EB9E050F6
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
249
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
SecuriteInfo.com.Variant.Lazy.247280.13907.11745
Verdict:
Malicious activity
Analysis date:
2022-09-22 13:01:50 UTC
Tags:
formbook trojan stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay 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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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 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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 707829 Sample: SecuriteInfo.com.Variant.La... Startdate: 22/09/2022 Architecture: WINDOWS Score: 100 23 www.b-c-s.org 2->23 25 www.bumping.online 2->25 33 Snort IDS alert for network traffic 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 4 other signatures 2->39 8 SecuriteInfo.com.Variant.Lazy.247280.13907.11745.exe 1 2->8         started        signatures3 process4 file5 21 SecuriteInfo.com.V...13907.11745.exe.log, ASCII 8->21 dropped 41 Writes to foreign memory regions 8->41 43 Allocates memory in foreign processes 8->43 45 Injects a PE file into a foreign processes 8->45 47 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 8->47 12 aspnet_compiler.exe 8->12         started        signatures6 process7 signatures8 49 Modifies the context of a thread in another process (thread injection) 12->49 51 Maps a DLL or memory area into another process 12->51 53 Sample uses process hollowing technique 12->53 55 Queues an APC in another process (thread injection) 12->55 15 systray.exe 13 12->15         started        18 explorer.exe 12->18 injected process9 dnsIp10 57 Tries to steal Mail credentials (via file / registry access) 15->57 59 Tries to harvest and steal browser information (history, passwords, etc) 15->59 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 27 www.mionchun.com 154.218.174.74, 49703, 49704, 80 VPSQUANUS Seychelles 18->27 29 www.morescort.com 91.195.240.13, 49707, 49708, 80 SEDO-ASDE Germany 18->29 31 4 other IPs or domains 18->31 65 System process connects to network (likely due to code injection or exploit) 18->65 signatures11
Threat name:
Win32.Trojan.Lazy
Status:
Malicious
First seen:
2022-09-22 09:40:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
14 of 41 (34.15%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:i3tw loader rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Formbook
Xloader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
6f9cc1e2aad3c4b2fde068f0ae178ee04442f78a0e35ddbfe9288a98964784d6
MD5 hash:
9594aad4db796d63a294492b7a44c48b
SHA1 hash:
916dcc5155c9e9e3798d423376cdd2bc7a49df4d
SH256 hash:
01ca1c9ca32094136339e1d7d03c24573fceebf46e219ae090abb3bde0e8d6df
MD5 hash:
60671b742c79e1b2e6815d1daf7149e1
SHA1 hash:
6ec8e5357f0bb3f962762b569eebb57759dc1580
SH256 hash:
0b45cc605e549e82a89b183bdd7f4e2c60758d89153f3d9ec04664be33cda01c
MD5 hash:
9e3242401e14829b7a028c70210911b7
SHA1 hash:
587e32cf25ae23ac4d7648566d2c07cea2ea5178
SH256 hash:
c923b5976862e86bd94180a0f141ff001715eed24b895c1e4e2b066107c40412
MD5 hash:
1edf928f61d9ae78501dfdc4eb076661
SHA1 hash:
5d448e3ea1ae1603785ecd6371be097b6bbf5e9f
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:INDICATOR_EXE_Packed_ConfuserEx
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
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.

Comments