MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31ba919a8640e87dc1a63fd6029e3920c01ea87bba6a2d3dca8074097525e0fa. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
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SHA256 hash: 31ba919a8640e87dc1a63fd6029e3920c01ea87bba6a2d3dca8074097525e0fa
SHA3-384 hash: 3f1c62a2b31f416599e2b2364c16be39f940f1e9285584c16ceb7806ea912e7c68dc4a614a9168d0b4e48fc42772f4fe
SHA1 hash: b58581a87b55433a153258472bf9cc9ab82045d9
MD5 hash: 34e704a98cfc12b81fa55b471d015729
humanhash: stairway-asparagus-sodium-louisiana
File name:SecuriteInfo.com.Trojan0056a1fe1.9302.10005
Download: download sample
Signature Formbook
Create hunting rule
File size:116'288 bytes
First seen:2022-08-03 01:53:25 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 768:o/FtTxjScIDVuu/3Vc4oEi1vV8B01L5hg5SyHEXrlIS1UBuzexlmMwCK/3deVDOi:AFfjSlsu/y47i5VJyHS9cl630VDOpy
Threatray 1'454 similar samples on MalwareBazaar
TLSH T1CDB318897650398FCCA7FEF169F05C15AA207CA21316C287E4B7B5588B3D387DD841AE
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)
File icon (PE):PE icon
dhash icon 174f4559191b1b13 (81 x AgentTesla, 68 x Formbook, 34 x SnakeKeylogger)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
300
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Trojan0056a1fe1.9302.10005
Verdict:
Malicious activity
Analysis date:
2022-08-03 05:39:35 UTC
Tags:
opendir formbook trojan stealer
Link:
https://app.any.run/tasks/2ebc5edd-0760-4447-80a8-4ac56bf95f5c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/296046/
Detection(s):
SecuriteInfo.com.Trojan0056a1fe1.9302.10005.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request
Launching a process
Creating a file
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated overlay packed packed wacatac
Link:
https://www.filescan.io/uploads/62e9d53b6fb6aea51f11e1ff/reports/27f48f03-77df-4ed3-8a87-46f2ff28fb00/overview
Result
Verdict:
UNKNOWN
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b854143b-b23a-4238-b666-07a58ed42e42
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1045316
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected potential unwanted application
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 677810 Sample: SecuriteInfo.com.Trojan0056... Startdate: 03/08/2022 Architecture: WINDOWS Score: 100 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->43 45 8 other signatures 2->45 10 SecuriteInfo.com.Trojan0056a1fe1.9302.exe 15 3 2->10         started        process3 dnsIp4 37 208.67.105.125, 49722, 80 GRAYSON-COLLIN-COMMUNICATIONSUS United States 10->37 31 SecuriteInfo.com.T...6a1fe1.9302.exe.log, ASCII 10->31 dropped 55 Writes to foreign memory regions 10->55 57 Allocates memory in foreign processes 10->57 59 Injects a PE file into a foreign processes 10->59 15 aspnet_compiler.exe 10->15         started        18 aspnet_compiler.exe 10->18         started        file5 signatures6 process7 signatures8 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 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 20 explorer.exe 15->20 injected 69 Tries to detect virtualization through RDTSC time measurements 18->69 process9 dnsIp10 33 www.nadcap.online 209.17.116.163, 49800, 80 DEFENSE-NETUS United States 20->33 35 www.fieldjoys.com 20->35 47 System process connects to network (likely due to code injection or exploit) 20->47 24 colorcpl.exe 20->24         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 24->49 51 Maps a DLL or memory area into another process 24->51 53 Tries to detect virtualization through RDTSC time measurements 24->53 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/31ba919a8640e87dc1a63fd6029e3920c01ea87bba6a2d3dca8074097525e0fa/
Threat name:
ByteCode-MSIL.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-08-03 01:13:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gg5jdgugiduh3qngh7lafhrzedab5kd3xjvc2pokqb2as5jf4d5a._file
Verdict:
malicious
Similar samples:
044ae0d297d6156d51d68de2c94b9ce78b3954a99e374a199c225f2272479d34
Formbook
59b646e15716cec57916f75006361b3e369b243918fcd5cc3fffb9be230acda7
Formbook
63da7c7f4bf0ab550e7ff73f9ae2f07839f5f701e1187aa4856480c372c7124c
Formbook
97ed8b1eda57edbbc3c2d12faeeec7f3091392ee8c42dd516ac789f18ffacc42
Formbook
a1438fd2ecd8a17372fde0f4920d510bce698eeb2eec5d29d67fbc15523d2e1d
Formbook
baf26fd01ae7499dc6fce1917bd2f61375fe80a570b4f26447c862d088e03ebc
Formbook
c187aa087dc7554493f7dca9c772d3b5e06def3281e7408b7c93309fff0ae3d6
Formbook
c54563d40991a77fb85520052ba60e4061dd4880b3a72c57b09533327cc76d03
Formbook
+ 1'444 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:bd26 rat spyware stealer trojan
Link:
https://tria.ge/reports/220803-cbjlfsdgh6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
37c00178f2858be3048f714c761bcb229b4c3f90589342568444361ad8e7f2c8
MD5 hash:
f55365a941d1da206347c458bf73ca2f
SHA1 hash:
673c9a298593eeb9593fd59dafa06b6b2539e56b
Link:
https://www.unpac.me/results/a40ebc73-7b65-4d47-bf5d-ef2a0ec5d5af/
SH256 hash:
31ba919a8640e87dc1a63fd6029e3920c01ea87bba6a2d3dca8074097525e0fa
MD5 hash:
34e704a98cfc12b81fa55b471d015729
SHA1 hash:
b58581a87b55433a153258472bf9cc9ab82045d9
Link:
https://www.unpac.me/results/a40ebc73-7b65-4d47-bf5d-ef2a0ec5d5af/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/31ba919a8640e87dc1a63fd6029e3920c01ea87bba6a2d3dca8074097525e0fa

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
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/296046/

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