MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1cd3d14faf26873468674af56f8057334ac672b1579a538764ef87fc107deb52. 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: 13


Intelligence 13 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1cd3d14faf26873468674af56f8057334ac672b1579a538764ef87fc107deb52
SHA3-384 hash: de63b2f0fa2bf2d593798662ad3f5dacc844a12573ad86c4e8f5ad6ad0d8893e0c755197a77a6828f1a0e6757bb0fe54
SHA1 hash: 894f87c4af3b773215fdfec30606db22d179b7e8
MD5 hash: ad0da4a07f4866d67b266c8686f76081
humanhash: johnny-eight-green-ceiling
File name:DO-COSU6387686280.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:779'776 bytes
First seen:2024-11-25 12:38:13 UTC
Last seen:2024-12-02 13:10:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:cbeXOimkDgekao2HFQlVNwou+Wo1ZfAQKHXMhdkxI2YhkWOb1mDVFOemOK:SeXJ9DDkaPH6nNwv+Wa0M/hBObAvVK
TLSH T175F423657984C3AEC2BD2AF2E44916494333D33F1313DB4DADCA57983AF43AE54607A2
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
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
391
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DO-COSU6387686280.pdf.exe
Verdict:
No threats detected
Analysis date:
2024-11-25 12:52:47 UTC
Tags:
netreactor
Link:
https://app.any.run/tasks/45035311-82f8-493b-b8bb-873ca5663ace

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.3124.24113.25285.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67446ff4b31374f098344549
Tags:
underscore virus gates msil
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67446ff8408856bcc994d16d/reports/8ba302d8-803f-494a-848b-7d4c274777cf/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/1cd3d14faf26873468674af56f8057334ac672b1579a538764ef87fc107deb52
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b05c2f86-5c07-4cbd-9db1-de1dec7a1d64
Result
Threat name:
FormBook, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1562315
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
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
Machine Learning detection for 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)
Sigma detected: Suspicious Double Extension File Execution
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)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1562315 Sample: DO-COSU6387686280.pdf.exe Startdate: 25/11/2024 Architecture: WINDOWS Score: 100 31 www.futuru.xyz 2->31 33 www.zxyck.net 2->33 35 15 other IPs or domains 2->35 45 Suricata IDS alerts for network traffic 2->45 47 Antivirus / Scanner detection for submitted sample 2->47 49 Multi AV Scanner detection for submitted file 2->49 53 10 other signatures 2->53 10 DO-COSU6387686280.pdf.exe 3 2->10         started        signatures3 51 Performs DNS queries to domains with low reputation 31->51 process4 file5 29 C:\Users\...\DO-COSU6387686280.pdf.exe.log, ASCII 10->29 dropped 65 Injects a PE file into a foreign processes 10->65 14 DO-COSU6387686280.pdf.exe 10->14         started        signatures6 process7 signatures8 67 Maps a DLL or memory area into another process 14->67 17 EnLuReulIds.exe 14->17 injected process9 signatures10 43 Found direct / indirect Syscall (likely to bypass EDR) 17->43 20 mountvol.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 EnLuReulIds.exe 20->23 injected 27 firefox.exe 20->27         started        process13 dnsIp14 37 www.bioland.app 202.61.233.66, 49714, 80 TH-AS-APTianhaiInfoTechCN Australia 23->37 39 officinadelpasso.shop 195.110.124.133, 49730, 49731, 49732 REGISTER-ASIT Italy 23->39 41 11 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/1cd3d14faf26873468674af56f8057334ac672b1579a538764ef87fc107deb52
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1cd3d14faf26873468674af56f8057334ac672b1579a538764ef87fc107deb52/
Threat name:
ByteCode-MSIL.Trojan.PureLogStealer
Create hunting rule
Status:
Malicious
First seen:
2024-11-25 06:43:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dtj5ct5pe2dti2dhjl2w7acxgnfmm4vrk6nfhb3e56d7yed55nja._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unknown_loader_037
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/241125-pvl7xawrgy/
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/840c2b97-20fa-4690-bc86-9ddd056cd831
Unpacked files
SH256 hash:
5e61cfda5fe7418d090a0f7187e7748da1e5d5ebb4c4db5ddaa42600e93b3447
MD5 hash:
18ed923f3d47e86648bafc8e703a781a
SHA1 hash:
a8ce591690187047d9f17ac770dad72a5a68a7c7
Link:
https://www.unpac.me/results/8af99e10-72df-4e9e-9eed-259dc19c36c7/
SH256 hash:
072e2325dcb6bbb4cef9379a531e5d44f6c993d369ec49a0fdb916143ce6c0f5
MD5 hash:
7871f84a8067c89befc4d1d17ceb9225
SHA1 hash:
4b7dbf1edd1ddf24bbdc3e3dfa0fc820ea768caf
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/8af99e10-72df-4e9e-9eed-259dc19c36c7/
Parent samples :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 hash:
50a91e96274835355a44c5f72e2f9b5b8f0b2aab648ef53ad99134ce29847538
MD5 hash:
ced627f1d10c3143552e28cb228ca067
SHA1 hash:
1185e75ee50ef0f4661839ea2749459fb0df411d
Link:
https://www.unpac.me/results/8af99e10-72df-4e9e-9eed-259dc19c36c7/
SH256 hash:
e922e550030949179cf035096167b24c1f403ae04a174210d1ac58750a8755d5
MD5 hash:
1196d4ff1d790f1546fad5f80df0a41e
SHA1 hash:
09904c9c8f3b75488b454270b98c93b126ce277d
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/8af99e10-72df-4e9e-9eed-259dc19c36c7/
SH256 hash:
1cd3d14faf26873468674af56f8057334ac672b1579a538764ef87fc107deb52
MD5 hash:
ad0da4a07f4866d67b266c8686f76081
SHA1 hash:
894f87c4af3b773215fdfec30606db22d179b7e8
Link:
https://www.unpac.me/results/8af99e10-72df-4e9e-9eed-259dc19c36c7/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1cd3d14faf26/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/1cd3d14faf26873468674af56f8057334ac672b1579a538764ef87fc107deb52

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 1cd3d14faf26873468674af56f8057334ac672b1579a538764ef87fc107deb52

(this sample)

  
Delivery method
Distributed via e-mail attachment

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