MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40f511e420e73d2cb620d782e9ed31dbd1dabe4103b31e025a4158d39a209a5e. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
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SHA256 hash: 40f511e420e73d2cb620d782e9ed31dbd1dabe4103b31e025a4158d39a209a5e
SHA3-384 hash: 3d842cce7561121240b16f032eb939d79ba7161b9127c58e70ee44b6621ba4787c4522a4942d8bf614ea7086e3a86ae0
SHA1 hash: 2b6aca7bc31a565f0cb1e00d9daab463b570f269
MD5 hash: 0e27fab3f710b0b524091aba6ed455c7
humanhash: music-crazy-hamper-video
File name:REVISED ORDER FOR DECEMBER.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:586'752 bytes
First seen:2022-11-30 09:54:13 UTC
Last seen:2022-11-30 11:31:25 UTC
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:/+qpqSmgUZtFUaJqMJ3iwyoqAnrHxC4AbUkO0dDW8P4SATkU6Uk5dWXwzlf7Tvm:GqgSmdzUZAUndDWE4pkFv5DzA
TLSH T13AC4E76287B1C956F93388EEA3EC5B514C6851C149B84849CC173E905E78CABF4FC9FA
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% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter TeamDreier
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
178
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
REVISED ORDER FOR DECEMBER.exe
Verdict:
Malicious activity
Analysis date:
2022-11-30 09:55:52 UTC
Tags:
formbook xloader trojan stealer
Link:
https://app.any.run/tasks/21069f5f-ef58-47a7-a50c-311b9d1d1231

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/340012/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.7010.31276.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6387287b00c584752ee2b69c/reports/ae371243-b121-47ed-a9fd-957fe025ef3b/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/8618c3e1-18c5-47d3-b76f-2a2fbff91b10
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1123810
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 756535 Sample: REVISED ORDER FOR DECEMBER.exe Startdate: 30/11/2022 Architecture: WINDOWS Score: 100 60 Malicious sample detected (through community Yara rule) 2->60 62 Sigma detected: Scheduled temp file as task from temp location 2->62 64 Multi AV Scanner detection for submitted file 2->64 66 11 other signatures 2->66 10 REVISED ORDER FOR DECEMBER.exe 7 2->10         started        14 GlzwuZ.exe 5 2->14         started        process3 file4 44 C:\Users\user\AppData\RoamingbehaviorgraphlzwuZ.exe, PE32 10->44 dropped 46 C:\Users\user\...behaviorgraphlzwuZ.exe:Zone.Identifier, ASCII 10->46 dropped 48 C:\Users\user\AppData\Local\...\tmpED35.tmp, XML 10->48 dropped 50 C:\...\REVISED ORDER FOR DECEMBER.exe.log, ASCII 10->50 dropped 74 Adds a directory exclusion to Windows Defender 10->74 76 Injects a PE file into a foreign processes 10->76 16 REVISED ORDER FOR DECEMBER.exe 10->16         started        19 powershell.exe 21 10->19         started        21 schtasks.exe 1 10->21         started        78 Multi AV Scanner detection for dropped file 14->78 80 Machine Learning detection for dropped file 14->80 82 Tries to detect virtualization through RDTSC time measurements 14->82 23 GlzwuZ.exe 14->23         started        25 schtasks.exe 1 14->25         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 16->52 54 Maps a DLL or memory area into another process 16->54 56 Sample uses process hollowing technique 16->56 58 Queues an APC in another process (thread injection) 16->58 27 explorer.exe 16->27 injected 29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        33 conhost.exe 25->33         started        process8 process9 35 cmd.exe 27->35         started        38 mstsc.exe 27->38         started        signatures10 68 Modifies the context of a thread in another process (thread injection) 35->68 70 Maps a DLL or memory area into another process 35->70 72 Tries to detect virtualization through RDTSC time measurements 35->72 40 cmd.exe 1 35->40         started        process11 process12 42 conhost.exe 40->42         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/40f511e420e73d2cb620d782e9ed31dbd1dabe4103b31e025a4158d39a209a5e/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-11-30 07:44:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
28 of 41 (68.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=id2rdzba446sznra26bot3jr3pi5vpsbaozr4as2ifmnhgratjpa._file
Verdict:
malicious
Label(s):
formbook
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cobaltstrike
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Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:f9r5 rat spyware stealer trojan
Link:
https://tria.ge/reports/221130-lxskxsch4y/
Behaviour
Creates scheduled task(s)
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/69b90754-efec-443d-bf50-b07ce9b8d819
Unpacked files
SH256 hash:
3d207fd4def41c383f562b961cdeef3786dc779df01ef91ff88d22ea60da831d
MD5 hash:
58b8d734fd58642d3e3736958ab8f141
SHA1 hash:
093d6c90e06b82184159a57bc056b4ce969f53c2
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/6ed40041-5c9b-4cba-afc3-0bb07c3d40d1/
Parent samples :
02b628dcbfaa0cad2ccde62b1cfb16425a8d40b4cad9de200569ce1b84981612
40f511e420e73d2cb620d782e9ed31dbd1dabe4103b31e025a4158d39a209a5e
11990c08ba3e1eb0f464d9850bb76696a89f95c0368e3634488139f25b96bf42
0ce95ed2a26eb4e5f38cd27cbcac2065b3e6a71a26cdc24f56946dd0428f88be
21e08bb00bf5a84ec339e16296437ef3f5fc98b93d62da5a2e26bebbb2eb5861
60f594736fc96f0657680d022bd9b9117a4a7d08c1e80812b29d64fa69f814a3
6d0e5a8281bc43ebed5226a07a5e5e065c2f820e07646fc01273d7ec16689c88
SH256 hash:
3c938204a337d1151ced60bc26deaeb7881bc305bfb5925b0539af7a994651bd
MD5 hash:
ad064a85b28295b090e461a13ba27167
SHA1 hash:
e86bf27dedbdc59acd2dc1bf865e303a89f57d2e
Link:
https://www.unpac.me/results/6ed40041-5c9b-4cba-afc3-0bb07c3d40d1/
SH256 hash:
3624268b1bf67fd3f560f345e5171f3a2f8968a776c23816ea76fc0ef41b0f03
MD5 hash:
1619753b625e58c25b73fbf1f0bff482
SHA1 hash:
c0d7922bdbc10ef0ee1606a40c2dedd22cb180d4
Link:
https://www.unpac.me/results/6ed40041-5c9b-4cba-afc3-0bb07c3d40d1/
SH256 hash:
261ab91ee2068b23237d47c35130e15327771f8d7d3b821287c7dccd3f046bf6
MD5 hash:
57aa9acbe4335859ba54babbaa8bfeb9
SHA1 hash:
b1dea406b234bbc9799a17ee9421ceb5f6a65354
Link:
https://www.unpac.me/results/6ed40041-5c9b-4cba-afc3-0bb07c3d40d1/
SH256 hash:
340ba2312d5cdfc3d89f3f35f627187dcb406e5afea134bc76b04f52f4285df3
MD5 hash:
85f9290aa8900e9fd74b01ee23125706
SHA1 hash:
310eb5e4aea5471b74a6385f1da283b9d8e3d698
Link:
https://www.unpac.me/results/6ed40041-5c9b-4cba-afc3-0bb07c3d40d1/
SH256 hash:
40f511e420e73d2cb620d782e9ed31dbd1dabe4103b31e025a4158d39a209a5e
MD5 hash:
0e27fab3f710b0b524091aba6ed455c7
SHA1 hash:
2b6aca7bc31a565f0cb1e00d9daab463b570f269
Link:
https://www.unpac.me/results/6ed40041-5c9b-4cba-afc3-0bb07c3d40d1/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/40f511e420e7/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/40f511e420e73d2cb620d782e9ed31dbd1dabe4103b31e025a4158d39a209a5e

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
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.

Malspam

Formbook

Executable exe 40f511e420e73d2cb620d782e9ed31dbd1dabe4103b31e025a4158d39a209a5e

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/340012/

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