MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87d3bbd8edcab168832890e4d362542e2be35fe286ce9a2ebeeb8216d08cca0f. 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


Intelligence 16 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 87d3bbd8edcab168832890e4d362542e2be35fe286ce9a2ebeeb8216d08cca0f
SHA3-384 hash: 053d759ba7c90efbe828cf764b910a82fb7e28ade155b3b31b14884297cb8b55eb70644f2f2ecf2d3f37cb1c107e6d09
SHA1 hash: d56b1b1bb130322b5582c1a6abf8fc273792de88
MD5 hash: f950e7e33eb0e826485b2a4ce01acef8
humanhash: sixteen-berlin-michigan-hamper
File name:bolazx.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:591'360 bytes
First seen:2023-04-17 14:07:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:fRKZHYI7LkpgdSQAzeLgZKXyD1vUQ14yuKgcJcrhxtRaGLp:ZqT0pgwVeLhJQ+yuKJJYhxtRaGLp
Threatray 2'789 similar samples on MalwareBazaar
TLSH T1D9C401F803C4978DCC456BBE6A14988827F689F2C0D8CE4EC56BF4DB1EBD3248145E99
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 James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
242
Origin country :
US US
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
bolazx.exe
Verdict:
Malicious activity
Analysis date:
2023-04-17 14:08:47 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/c3792da6-a2a2-4656-9847-99d123aa768e

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/382822/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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/643d52c446e0911fda9eb28f/reports/78d6bd3f-fd6b-4b42-b5dd-56a353fc31d2/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/87d3bbd8edcab168832890e4d362542e2be35fe286ce9a2ebeeb8216d08cca0f
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/df2d0206-2289-4be2-bdd1-2de8ce4c3157
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1215249
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 domain / URL
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 848183 Sample: bolazx.exe Startdate: 17/04/2023 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic 2->36 38 Multi AV Scanner detection for domain / URL 2->38 40 Found malware configuration 2->40 42 8 other signatures 2->42 10 bolazx.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\bolazx.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 54 Injects a PE file into a foreign processes 10->54 14 bolazx.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 5 1 14->17 injected process8 dnsIp9 30 shops.myshopify.com 23.227.38.74, 49698, 80 CLOUDFLARENETUS Canada 17->30 32 ko-or-a-news.com 192.0.78.24, 49700, 80 AUTOMATTICUS United States 17->32 34 12 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 rundll32.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/87d3bbd8edcab168832890e4d362542e2be35fe286ce9a2ebeeb8216d08cca0f/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=q7j3xwhnzkywrazisdsngysufyv6gx7cq3hjulv65obbnuemzihq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
04a42e9d0b1c019989d91249331e0920703296490ab8a565bed15e1a0e1742fc
Formbook
07191de70521a8e76624cfafc6eba3edd19d7784c4c4c683b55f3fd16e377b38
Formbook
48834270a70765c001a06f747884bc5289db6859b56609d0a7f2d1fd30cbb18e
Formbook
673a75c1f1f0092d9c281898b7e218b8c1440faa70990a5060bf8e560687e4b9
Formbook
702731122c8b3822ceb48373d0927109dceaad9de6bddb3ea451c3d406be5518
Formbook
80d41016c2bf67df26677e38cbb13ab1ea552e4bad0e8ecb5e6e462297a7694f
Formbook
ce3c9c47d811745d5534bf268331382438b274a112d2327396cdc8623e82f98b
Formbook
e79b787e97db18226583aa9c61b0b6bb5de29945714c74636eca2cdf4947cb11
Formbook
f57536badf2858c34c301bc1fd7e237a1f700f3e48c6563cdf4ada287d1151f2
Formbook
f8d91c8bc33c75ab7794e0c0a8498110cf03403daed2caf77a47975402be2e48
Formbook
+ 2'779 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:btrd rat spyware stealer trojan
Link:
https://tria.ge/reports/230417-rfj54see36/
Behaviour
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
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
dc1640a58e9fea5bfa7f6345a1c4c30b240225cc63f34fdb389af6ece1c5a007
MD5 hash:
b80e4dff0fc7c0b2fc2455aee3273485
SHA1 hash:
2e8ecd4015704c7fa7cd039accf3dd4c6547ca63
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/f3c78e12-50c1-4e2b-bde8-7c47807e3478/
Parent samples :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 hash:
21f0154b51a09767f94922b81f5fcd15cf4a6390ab7314e40d0e17b2dcdfe6ba
MD5 hash:
c926563698de3a89ad20474c85122f73
SHA1 hash:
ed1a3b2527ace111e6f39880c7ee3965f301330d
Link:
https://www.unpac.me/results/f3c78e12-50c1-4e2b-bde8-7c47807e3478/
SH256 hash:
3ea4122b473dbfa05ab2303882da5dbf51cc757a01c379c5869e00c0224873cc
MD5 hash:
3bab3dc0dec03c40216ec1e2d03d1e0f
SHA1 hash:
c70fcca179ea9a5e2f17cd66034ee48a1b67f17a
Link:
https://www.unpac.me/results/f3c78e12-50c1-4e2b-bde8-7c47807e3478/
SH256 hash:
67fd203d9137aa5609dc9d47c491e45f905d8df08276b661f5435db00922db46
MD5 hash:
81510a05502af12013f34a0c80e12657
SHA1 hash:
4f99b1066f9981e8d262372cf97115de45b6936d
Link:
https://www.unpac.me/results/f3c78e12-50c1-4e2b-bde8-7c47807e3478/
SH256 hash:
484d1a72ac401b893de5de664ea96a3c4523c79410f0da933b49db60d94e0fb0
MD5 hash:
e47854501db0a9f1c5a324a8a371398e
SHA1 hash:
0dcf72c3d5560fddb1737771eb6c83e8eda34972
Link:
https://www.unpac.me/results/f3c78e12-50c1-4e2b-bde8-7c47807e3478/
SH256 hash:
87d3bbd8edcab168832890e4d362542e2be35fe286ce9a2ebeeb8216d08cca0f
MD5 hash:
f950e7e33eb0e826485b2a4ce01acef8
SHA1 hash:
d56b1b1bb130322b5582c1a6abf8fc273792de88
Link:
https://www.unpac.me/results/f3c78e12-50c1-4e2b-bde8-7c47807e3478/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/87d3bbd8edca/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/87d3bbd8edcab168832890e4d362542e2be35fe286ce9a2ebeeb8216d08cca0f

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:Dotnet_Hidden_Executables_Detect
Create hunting rule
Author:Mehmet Ali Kerimoglu (@CYB3RMX)
Description:This rule detects hidden PE file presence.
Reference:https://github.com/CYB3RMX/Qu1cksc0pe
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/382822/

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