MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 833005a44107a2b32181f8a038fb7bc267df6648f0b94dc4a26cd295021b2cb7. 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: 18


Intelligence 18 IOCs YARA 5 File information Comments
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SHA256 hash: 833005a44107a2b32181f8a038fb7bc267df6648f0b94dc4a26cd295021b2cb7
SHA3-384 hash: 21b502415013f395268080097e2738d4cc01f1325560629a207ac8a6a56084b77506dad158b938160c46e1e46894c176
SHA1 hash: 0e95760442717dc595412b7da80eac9e467cd93a
MD5 hash: 3bf0035077dd6848f02efe34b24468bc
humanhash: finch-mango-green-asparagus
File name:QU20240731306.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:743'424 bytes
First seen:2025-09-04 16:29:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:Ag292JaqojL4ezmVBn9fR4Vyp2NvXX9XY/XHSuqLBHVtWTTkBEdT01gTHzelU/4C:A79PqhBn9IceNXiixZVETTkYelS4/vI
TLSH T1E7F4124D215AD926D49E0BB885A1E2F913746F88BA42E7039ED5BCDF793B78148093C3
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
97
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
QU20240731306.exe
Verdict:
No threats detected
Analysis date:
2025-09-04 16:30:45 UTC
Tags:
netreactor
Link:
https://app.any.run/tasks/399a9928-1389-4aca-9366-8997b09460d1

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/25092/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Stealer.42603.15079.10023.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68b9be6beb163e0ec1845991
Tags:
virus krypt msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 bitmap obfuscated packed packed reconnaissance roboski stego
Link:
https://www.filescan.io/uploads/68b9be6b39a6221faa7f0352/reports/cc81e4ce-f8f4-4372-b01f-48a4e6efcaab/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/833005a44107a2b32181f8a038fb7bc267df6648f0b94dc4a26cd295021b2cb7
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-04T02:38:00Z UTC
Last seen:
2025-09-04T02:38:00Z UTC
Hits:
~10000
Detections:
VHO:Trojan-PSW.Win32.Stealer.gen Trojan-Spy.Noon.HTTP.ServerRequest Trojan-PSW.Win32.Stealer.sb PDM:Trojan.Win32.Generic Backdoor.Agent.HTTP.C&C Trojan.MSIL.Crypt.sb HEUR:Trojan.MSIL.Taskun.gen Trojan-Spy.Win32.Noon.sb Trojan.MSIL.Taskun.sb Trojan.MSIL.Inject.sb
Link:
https://opentip.kaspersky.com/833005a44107a2b32181f8a038fb7bc267df6648f0b94dc4a26cd295021b2cb7/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7c61766a-fe65-415d-a8ec-910c8f82e16c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1771340
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Suricata IDS alerts for network traffic
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)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1771340 Sample: QU20240731306.exe Startdate: 04/09/2025 Architecture: WINDOWS Score: 100 34 www.ecpay-tw067.xyz 2->34 36 www.78452609.xyz 2->36 38 19 other IPs or domains 2->38 46 Suricata IDS alerts for network traffic 2->46 48 Antivirus / Scanner detection for submitted sample 2->48 50 Multi AV Scanner detection for submitted file 2->50 54 4 other signatures 2->54 11 QU20240731306.exe 3 2->11         started        signatures3 52 Performs DNS queries to domains with low reputation 36->52 process4 file5 32 C:\Users\user\...\QU20240731306.exe.log, ASCII 11->32 dropped 64 Injects a PE file into a foreign processes 11->64 15 QU20240731306.exe 11->15         started        signatures6 process7 signatures8 66 Maps a DLL or memory area into another process 15->66 18 GfYaYBL76wH4pX.exe 15->18 injected process9 process10 20 proquota.exe 13 18->20         started        signatures11 56 Tries to steal Mail credentials (via file / registry access) 20->56 58 Tries to harvest and steal browser information (history, passwords, etc) 20->58 60 Modifies the context of a thread in another process (thread injection) 20->60 62 3 other signatures 20->62 23 JWdVNdKl.exe 20->23 injected 26 chrome.exe 20->26         started        28 firefox.exe 20->28         started        process12 dnsIp13 40 www.suvorr.tokyo 46.37.111.21, 49704, 49705, 49706 Y-INTERNETGB Spain 23->40 42 www.mireza.site 203.161.43.199, 49712, 49713, 49714 VNPT-AS-VNVNPTCorpVN Malaysia 23->42 44 8 other IPs or domains 23->44 30 WerFault.exe 4 26->30         started        process14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/833005a44107a2b32181f8a038fb7bc267df6648f0b94dc4a26cd295021b2cb7
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.27 Win 32 Exe x86
Link:
https://app.malva.re/file/3bf0035077dd6848f02efe34b24468bc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/833005a44107a2b32181f8a038fb7bc267df6648f0b94dc4a26cd295021b2cb7/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/833005a44107a2b32181f8a038fb7bc267df6648f0b94dc4a26cd295021b2cb7
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2025-09-04 09:59:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
27 of 38 (71.05%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qmyaljcba6rlgimb7cqdr633yjt56zsi6c4u3rfcntjjkaq3fs3q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/250904-tzbdesxxdx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d00d7b36-beef-4141-b93e-73718995677a
Unpacked files
SH256 hash:
c09e44122e00e3734ee8369171fb94a04e191b90ae5242698512802facd77516
MD5 hash:
7006f0b7b4b03a32b5e28c74cb30aa2c
SHA1 hash:
1d6905a05a0c19dbb7cc0b8153b8a28fe5be371a
Link:
https://www.unpac.me/results/bb118fa2-525c-4d1b-8d3d-763c95127792/
SH256 hash:
8b2afe931afce93750d185fff2a111093f62940732d99f9e41778941c1b47975
MD5 hash:
e9529b46c3cb0f9db5964bf97c32faec
SHA1 hash:
8abeaba95d69540c709c07ebf435d36c817812ef
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/bb118fa2-525c-4d1b-8d3d-763c95127792/
SH256 hash:
0b7cdf9dbe6f165393c87acaad5aa65e6882b9d5c54550ef3c597737e0ad32ff
MD5 hash:
7e4ca1b335ac6a61c1477a46e04dbaad
SHA1 hash:
a2ca1a9641a0ddc668c93f5f89eac2b67ecd0f8e
Link:
https://www.unpac.me/results/bb118fa2-525c-4d1b-8d3d-763c95127792/
SH256 hash:
4a6dff6b96cfe65bbcf689dacf26d62aa5f582a5c62c5772e1dcd8d97a444f57
MD5 hash:
3dd86b822301a8d6374ad1c7ed969d66
SHA1 hash:
3383b3170854c6c805cb96f9b0428f32e476957f
Link:
https://www.unpac.me/results/bb118fa2-525c-4d1b-8d3d-763c95127792/
SH256 hash:
833005a44107a2b32181f8a038fb7bc267df6648f0b94dc4a26cd295021b2cb7
MD5 hash:
3bf0035077dd6848f02efe34b24468bc
SHA1 hash:
0e95760442717dc595412b7da80eac9e467cd93a
Link:
https://www.unpac.me/results/bb118fa2-525c-4d1b-8d3d-763c95127792/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/833005a44107/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/833005a44107a2b32181f8a038fb7bc267df6648f0b94dc4a26cd295021b2cb7

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Malspam

Formbook

Executable exe 833005a44107a2b32181f8a038fb7bc267df6648f0b94dc4a26cd295021b2cb7

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/25092/

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