MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b2814cc30915dd6022bf80353b6e37bdabd379c351fd2e201cd3ee53621b147. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2b2814cc30915dd6022bf80353b6e37bdabd379c351fd2e201cd3ee53621b147
SHA3-384 hash: 32fd78da69a3e617032eeecc80492487bf14b4981af14987d55026db141718467107c607228f9ee8928ee0a59488aad5
SHA1 hash: d6e5e28d53ba28a6ed3f7bfabd6c5270e33f52c8
MD5 hash: b57d96a54a60a86be0dab9426bde4cf8
humanhash: washington-pip-summer-winner
File name:Debit note Jan-Jul 2024.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:824'832 bytes
First seen:2024-08-22 13:40:11 UTC
Last seen:2024-08-22 15:28:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 21371b611d91188d602926b15db6bd48 (70 x Formbook, 33 x AgentTesla, 20 x RemcosRAT)
ssdeep 24576:1iUmSB/o5d1ubcv+s2uw4gQJSkmTPRUnqTk:1/mU/ohubcv+5NQJQqn
TLSH T10C05235A6983C415C3222374C43A8EB29A51FB70D9E6277F9B50F35FB9323D4C8065AB
TrID 39.1% (.EXE) UPX compressed Win32 Executable (27066/9/6)
38.3% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
7.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.9% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
382
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Debit note Jan-Jul 2024.exe
Verdict:
No threats detected
Analysis date:
2024-08-22 13:44:14 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b3885f12-724f-4f66-b1c6-2f6507f46aa1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Win32.AgentTesla.13683.23123.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66c73ff1e7ff3f5a063bc3ba
Tags:
Stealth Trojan Shellcodecrypter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
autoit lolbin microsoft_visual_cc packed packed packed shell32 upx
Link:
https://www.filescan.io/uploads/66c73ff1950c378bfba4952b/reports/60f0c290-ca80-4736-9360-1b9a4466429c/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/2b2814cc30915dd6022bf80353b6e37bdabd379c351fd2e201cd3ee53621b147
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:
Malicious
Link:
https://analyze.intezer.com/analyses/f2c612f1-a792-4084-adc0-99423eacdf9b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1497452
Signature
AI detected suspicious sample
Binary is likely a compiled AutoIt script file
Drops VBS files to the startup folder
Found API chain indicative of sandbox detection
Found direct / indirect Syscall (likely to bypass EDR)
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1497452 Sample: Debit note Jan-Jul 2024.exe Startdate: 22/08/2024 Architecture: WINDOWS Score: 100 44 www.teenageoverload.xyz 2->44 46 www.slyra.xyz 2->46 48 18 other IPs or domains 2->48 68 Malicious sample detected (through community Yara rule) 2->68 70 Multi AV Scanner detection for submitted file 2->70 72 Yara detected FormBook 2->72 76 6 other signatures 2->76 11 Debit note Jan-Jul 2024.exe 6 2->11         started        15 wscript.exe 1 2->15         started        signatures3 74 Performs DNS queries to domains with low reputation 46->74 process4 file5 42 C:\Users\user\AppData\Local\...\name.exe, PE32 11->42 dropped 82 Binary is likely a compiled AutoIt script file 11->82 17 name.exe 3 11->17         started        84 Windows Scripting host queries suspicious COM object (likely to drop second stage) 15->84 21 name.exe 2 15->21         started        signatures6 process7 file8 40 C:\Users\user\AppData\Roaming\...\name.vbs, data 17->40 dropped 56 Multi AV Scanner detection for dropped file 17->56 58 Binary is likely a compiled AutoIt script file 17->58 60 Machine Learning detection for dropped file 17->60 66 3 other signatures 17->66 23 svchost.exe 17->23         started        62 Writes to foreign memory regions 21->62 64 Maps a DLL or memory area into another process 21->64 26 svchost.exe 21->26         started        signatures9 process10 signatures11 80 Maps a DLL or memory area into another process 23->80 28 KNEXiJlFQXX.exe 23->28 injected process12 signatures13 86 Found direct / indirect Syscall (likely to bypass EDR) 28->86 31 charmap.exe 13 28->31         started        process14 signatures15 88 Tries to steal Mail credentials (via file / registry access) 31->88 90 Tries to harvest and steal browser information (history, passwords, etc) 31->90 92 Modifies the context of a thread in another process (thread injection) 31->92 94 3 other signatures 31->94 34 KNEXiJlFQXX.exe 31->34 injected 38 firefox.exe 31->38         started        process16 dnsIp17 50 www.slyra.xyz 203.161.42.73, 54990, 54991, 54992 VNPT-AS-VNVNPTCorpVN Malaysia 34->50 52 www.teenageoverload.xyz 54.67.87.110, 55000, 55001, 55002 AMAZON-02US United States 34->52 54 11 other IPs or domains 34->54 78 Found direct / indirect Syscall (likely to bypass EDR) 34->78 signatures18
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2b2814cc30915dd6022bf80353b6e37bdabd379c351fd2e201cd3ee53621b147
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2b2814cc30915dd6022bf80353b6e37bdabd379c351fd2e201cd3ee53621b147/
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2024-08-22 04:55:32 UTC
File Type:
PE (Exe)
Extracted files:
52
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fmubjtbqsfo5marl7abvhnxdppnl2n44gup5fyqbzu7oknrbwfdq._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery upx
Link:
https://tria.ge/reports/240822-qy4f2azdle/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Drops startup file
Executes dropped EXE
Loads dropped DLL
UPX packed file
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/17692f17-09d1-4940-90aa-2ac6506c5be0
Unpacked files
SH256 hash:
a733c718bc86efb4dd0bc2f6003442637844451bbcf516ba0347300751ca672e
MD5 hash:
c7a95d6083a747e77534fe4d3a834e43
SHA1 hash:
ec7c51b46c3e2e3cfe8d5caaf5f5169c4cdca4a2
Detections:
win_formbook_g0
Create hunting rule
win_formbook_w0
Create hunting rule
Link:
https://www.unpac.me/results/716bdaa2-904c-48b3-92d5-f0378295d733/
Parent samples :
593d4af1922cf7edf2908ba830fc3ba4cdcf51fc0233fe72783cd836243fbecf
2b2814cc30915dd6022bf80353b6e37bdabd379c351fd2e201cd3ee53621b147
3666991ba9b1b0ab338f41c37c0bfe3a8ae0fbfbde9820679a76362a610a0b23
d662f78e5e0c62cdc866836476cc59a0f26edd95d9e14fd2f246792c39f44096
17a478564c4eb41b217ae131ab1b433278bb60bd0d4b0f876f602d71336abae3
3fe4c784dfb841053360622561788dacfc8e4b81567bc461e4cd33e61d2d1e64
e38d7e764bae9be6ef464c001dc3784c28d165bff06c390ef600d785ec1871c1
SH256 hash:
b56ca9d855c924787ee2fc975458503b38c2cdc2990386bc1aba61372ba4a5f0
MD5 hash:
70b61828deeb6bc00745fe9f4d283437
SHA1 hash:
f2fb66e2c0311841603dbf3220a11ea4b84a8ea1
Link:
https://www.unpac.me/results/716bdaa2-904c-48b3-92d5-f0378295d733/
SH256 hash:
176bb38f431c07d785e6ac1d454b96f5a2f4545f531ad847a70ca5abfaa65dc8
MD5 hash:
30e719409d842f0088074f2b8a6435ee
SHA1 hash:
e6bfefee671e16b79790c4d9df4d17d5075a8ae1
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/716bdaa2-904c-48b3-92d5-f0378295d733/
SH256 hash:
2b2814cc30915dd6022bf80353b6e37bdabd379c351fd2e201cd3ee53621b147
MD5 hash:
b57d96a54a60a86be0dab9426bde4cf8
SHA1 hash:
d6e5e28d53ba28a6ed3f7bfabd6c5270e33f52c8
Link:
https://www.unpac.me/results/716bdaa2-904c-48b3-92d5-f0378295d733/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2b2814cc3091/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/2b2814cc30915dd6022bf80353b6e37bdabd379c351fd2e201cd3ee53621b147

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_detect_tls_callbacks
Create hunting rule
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
Rule name:upx_largefile
Create hunting rule
Author:k3nr9

File information

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

Malspam

Formbook

zip 7eb3befff68b3436915eff060991d10a7974e450459a73153f70fa49f5cb7c2d

Formbook

Executable exe 2b2814cc30915dd6022bf80353b6e37bdabd379c351fd2e201cd3ee53621b147

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 7eb3befff68b3436915eff060991d10a7974e450459a73153f70fa49f5cb7c2d
  
Dropped by
SHA256 04cb49b8ad842e594907f94e1b917defea85659104e75650d1d0d20f8b6920dc
  
Dropped by
MD5 8de7912a3a574bceaee3db5d72785e24
  
Dropped by
MD5 07789e90b6203b0adfde686d135faf48

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::GetAce
MULTIMEDIA_APICan Play MultimediaWINMM.dll::timeGetTime
WIN_BASE_APIUses Win Base APIKERNEL32.DLL::LoadLibraryA

Comments