MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e490fabb8f8291ca9536ff12e903b20368751b4cfaf2fb55108e1e21b86916b6. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e490fabb8f8291ca9536ff12e903b20368751b4cfaf2fb55108e1e21b86916b6
SHA3-384 hash: 287d897a3db10c613018303d7c1c1bf24e8287369839fc1adec914a681a7f666e29e7c1a12f9e4c95df05c59dcb5a1de
SHA1 hash: c2ee0155ceeffa57324cb2d50047688f9be1d108
MD5 hash: fdb81e1cfaae0bf32416269ec4adb94b
humanhash: india-beryllium-vermont-spaghetti
File name:Purchase_Order_1 x 40ft Container.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:827'904 bytes
First seen:2025-04-09 10:24:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:p0MO7Nozyo6/8eb3ut3Fo557xrViZx4tkN6FQrbu3TLqV3vyr8q4MXU2v6PyjJqA:p2QIrE3yvaxZb3V3fl92SPytqrS2
TLSH T11805F16627D9C806C4EE4AB5A470C2B157F8EE4DA006D38B5ED9BCFB383335955423A3
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
dhash icon 0070696969697000 (6 x MassLogger, 5 x Formbook, 2 x SnakeKeylogger)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
433
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase_Order_1 x 40ft Container.exe
Verdict:
No threats detected
Analysis date:
2025-04-09 11:24:08 UTC
Tags:
netreactor
Link:
https://app.any.run/tasks/77c82e34-8cec-4228-b773-5c34ed64b600

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/1300/
Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67f64ea871beff15dccdeac9
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67f64b052d430c849e0f0425/reports/6528ab38-6c41-42d6-9afc-eec87bb936df/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/e490fabb8f8291ca9536ff12e903b20368751b4cfaf2fb55108e1e21b86916b6
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/de713b46-eba1-430b-aecb-813eb6c230c3
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1660643
Signature
.NET source code contains potential unpacker
Found direct / indirect Syscall (likely to bypass EDR)
Initial sample is a PE file and has a suspicious name
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: 1660643 Sample: Purchase_Order_1 x 40ft Con... Startdate: 09/04/2025 Architecture: WINDOWS Score: 100 31 www.tieniu09.xyz 2->31 33 www.globedesign.xyz 2->33 35 8 other IPs or domains 2->35 45 Suricata IDS alerts for network traffic 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected FormBook 2->49 53 4 other signatures 2->53 10 Purchase_Order_1 x 40ft Container.exe 3 2->10         started        signatures3 51 Performs DNS queries to domains with low reputation 33->51 process4 file5 29 Purchase_Order_1 x...t Container.exe.log, ASCII 10->29 dropped 65 Injects a PE file into a foreign processes 10->65 14 Purchase_Order_1 x 40ft Container.exe 10->14         started        signatures6 process7 signatures8 67 Maps a DLL or memory area into another process 14->67 17 1KhsJSX3uvrUj9bqlhko.exe 14->17 injected process9 signatures10 43 Found direct / indirect Syscall (likely to bypass EDR) 17->43 20 auditpol.exe 13 17->20         started        process11 signatures12 55 Tries to steal Mail credentials (via file / registry access) 20->55 57 Tries to harvest and steal browser information (history, passwords, etc) 20->57 59 Modifies the context of a thread in another process (thread injection) 20->59 61 3 other signatures 20->61 23 1KhsJSX3uvrUj9bqlhko.exe 20->23 injected 27 firefox.exe 20->27         started        process13 dnsIp14 37 www.6644win.mom 104.21.96.1, 49700, 49701, 49702 CLOUDFLARENETUS United States 23->37 39 www.tieniu09.xyz 172.67.144.160, 49712, 49713, 49714 CLOUDFLARENETUS United States 23->39 41 4 other IPs or domains 23->41 63 Found direct / indirect Syscall (likely to bypass EDR) 23->63 signatures15
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e490fabb8f8291ca9536ff12e903b20368751b4cfaf2fb55108e1e21b86916b6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e490fabb8f8291ca9536ff12e903b20368751b4cfaf2fb55108e1e21b86916b6/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2025-04-09 08:20:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4sipvo4pqki4vfjw74josa5sanuhkg2m7lzpwviqrypcdodjc23a._file
Verdict:
malicious
Label(s):
captiveaaloader
Create hunting rule
unc_loader_037
Create hunting rule
formbook
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/250409-mf12eaxwgt/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/a8db60c2-4b1b-4dca-bd5c-dfc77043afe7
Unpacked files
SH256 hash:
e490fabb8f8291ca9536ff12e903b20368751b4cfaf2fb55108e1e21b86916b6
MD5 hash:
fdb81e1cfaae0bf32416269ec4adb94b
SHA1 hash:
c2ee0155ceeffa57324cb2d50047688f9be1d108
Link:
https://www.unpac.me/results/62e57bf9-5ea2-4e00-b4f1-ec48287a4c82/
SH256 hash:
d0e6284b2d9707437c20b13a448deaf7bc067352e43115168eb08f87cf1fea20
MD5 hash:
894a72ad610696a1eea3ae7b37bae74e
SHA1 hash:
0fd0e7190f8b788fe6a74a0bdcd7abca428b57a1
Link:
https://www.unpac.me/results/62e57bf9-5ea2-4e00-b4f1-ec48287a4c82/
SH256 hash:
ce62f1296214ce2d3095c9691cc5e58a88145b430964974cd9871e0628c28285
MD5 hash:
09d6bdc81689962264c4eaaabfe3e7b2
SHA1 hash:
383cc4bc6a6b992f196bccb28f10b621719c582b
Link:
https://www.unpac.me/results/62e57bf9-5ea2-4e00-b4f1-ec48287a4c82/
SH256 hash:
bbac08aadb44e858c392b22f004d0dcb9cab0313a6bbb0fc27ac8e1f34437e3c
MD5 hash:
f01068e7e28d9f8378232a5b1641c15e
SHA1 hash:
dfa7b7de1729129f4569b2b4f1b6d7ad59eaf847
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/62e57bf9-5ea2-4e00-b4f1-ec48287a4c82/
SH256 hash:
7a919dff7b14ab1612db65c1aa3f51871931d091804d8522f423a5153c565bb0
MD5 hash:
8509c90a228ccb804c3d391b8f0a397c
SHA1 hash:
4cd56bc2d9b821a82071bb79863a07340d194a3f
Link:
https://www.unpac.me/results/62e57bf9-5ea2-4e00-b4f1-ec48287a4c82/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e490fabb8f82/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/e490fabb8f8291ca9536ff12e903b20368751b4cfaf2fb55108e1e21b86916b6

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
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 e490fabb8f8291ca9536ff12e903b20368751b4cfaf2fb55108e1e21b86916b6

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/1300/

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

Comments