MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a787110b98a97ec7991dc418ff2ea45a03b93d8926f31f3cdd5cd3630678b5a. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8a787110b98a97ec7991dc418ff2ea45a03b93d8926f31f3cdd5cd3630678b5a
SHA3-384 hash: 2507e23592456b027b99cd69dcd153b443b28335d259e4d167e8e8dd01ae85f261edf5c083b1b04d908ae4dd26662c1d
SHA1 hash: e867b8aabb1fc618ad7a9f08de95ea016cd1673b
MD5 hash: a07a7586a8de584bf0a1a3ab00ecdab0
humanhash: tennessee-oregon-violet-ink
File name:RFQ Drilling and tapping series electric spindle models 150425.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:300'032 bytes
First seen:2025-04-15 06:33:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 6144:EN2vr7riDFG1kaMAdJGuRzJDOo000I5NURMYHJt29nPr3QcaESZ:/vHGDoztdDT0zI5NSFqPT1
TLSH T181542310A7217C0FC96DAC7006C70DC5BBC29EFB5E4A6651AB69F087FCB51B9640788B
TrID 35.7% (.EXE) Win32 Executable (generic) (4504/4/1)
16.3% (.ICL) Windows Icons Library (generic) (2059/9)
16.1% (.EXE) OS/2 Executable (generic) (2029/13)
15.8% (.EXE) Generic Win/DOS Executable (2002/3)
15.8% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
dhash icon 060e0e0e06969696 (23 x Formbook, 1 x AgentTesla)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
463
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ Drilling and tapping series electric spindle models 150425.exe
Verdict:
No threats detected
Analysis date:
2025-04-15 06:35:36 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3c2a96b2-250b-4ccf-8c64-eb757e6169de

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/2245/
Detection(s):
SecuriteInfo.com.Win32.Evo-gen.32505.8698.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67fe059b1dba888a93d43d62
Tags:
injection virus zusy
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
microsoft_visual_cc overlay packed packed packer_detected
Link:
https://www.filescan.io/uploads/67fdfddf90767142c3d49aab/reports/8899ac92-df5b-4fe1-a983-31a8bb6d68ed/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/8a787110b98a97ec7991dc418ff2ea45a03b93d8926f31f3cdd5cd3630678b5a
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/261761cf-4f23-40ae-91ae-5cbcdc3883da
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1665086
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Found direct / indirect Syscall (likely to bypass EDR)
Initial sample is a PE file and has a suspicious name
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 FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1665086 Sample: RFQ Drilling and tapping se... Startdate: 15/04/2025 Architecture: WINDOWS Score: 100 24 www.pembawa.xyz 2->24 26 www.cryptocounselor.xyz 2->26 28 5 other IPs or domains 2->28 36 Suricata IDS alerts for network traffic 2->36 38 Antivirus detection for URL or domain 2->38 40 Antivirus / Scanner detection for submitted sample 2->40 44 3 other signatures 2->44 9 RFQ Drilling and tapping series electric spindle models 150425.exe 2->9         started        signatures3 42 Performs DNS queries to domains with low reputation 26->42 process4 signatures5 48 Maps a DLL or memory area into another process 9->48 12 FD1y7qWwy.exe 9->12 injected process6 signatures7 50 Found direct / indirect Syscall (likely to bypass EDR) 12->50 15 sdiagnhost.exe 13 12->15         started        process8 signatures9 52 Tries to steal Mail credentials (via file / registry access) 15->52 54 Tries to harvest and steal browser information (history, passwords, etc) 15->54 56 Modifies the context of a thread in another process (thread injection) 15->56 58 3 other signatures 15->58 18 FD1y7qWwy.exe 15->18 injected 22 firefox.exe 15->22         started        process10 dnsIp11 30 www.truenorthcards.org 74.208.236.36, 49695, 80 ONEANDONE-ASBrauerstrasse48DE United States 18->30 32 atepl.info 3.33.130.190, 49696, 49697, 49698 AMAZONEXPANSIONGB United States 18->32 34 www.cryptocounselor.xyz 13.248.169.48, 49700, 49701, 49702 AMAZON-02US United States 18->34 46 Found direct / indirect Syscall (likely to bypass EDR) 18->46 signatures12
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8a787110b98a97ec7991dc418ff2ea45a03b93d8926f31f3cdd5cd3630678b5a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8a787110b98a97ec7991dc418ff2ea45a03b93d8926f31f3cdd5cd3630678b5a/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-04-15 05:57:58 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rj4hcefzrkl6y6mr3ray74xkiwqdxe6ysjxtd46n2xgtmmdhrnna._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Link:
https://tria.ge/reports/250415-hbtdjstsbz/
Behaviour
Suspicious behavior: EnumeratesProcesses
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/cfd5b5d4-83af-42b6-8044-ec5742896840
Unpacked files
SH256 hash:
8a787110b98a97ec7991dc418ff2ea45a03b93d8926f31f3cdd5cd3630678b5a
MD5 hash:
a07a7586a8de584bf0a1a3ab00ecdab0
SHA1 hash:
e867b8aabb1fc618ad7a9f08de95ea016cd1673b
Link:
https://www.unpac.me/results/2b22796f-74f3-4073-b035-b279ffe222c0/
SH256 hash:
18068fbd11fb576e344ff2344bc5c78fa4814b5ce70da6c113b3356526788c8c
MD5 hash:
e754ec2da98d181e1589c09eed0092a9
SHA1 hash:
f8675fb1bf7dd90583c370d796414010a4314e54
Link:
https://www.unpac.me/results/2b22796f-74f3-4073-b035-b279ffe222c0/
SH256 hash:
157947da26009c6efb5a52bc6d5bdf1acff429b6ecb0cb16bb8d46556171e5aa
MD5 hash:
0a320ddd74a44509d57fe5fd62425227
SHA1 hash:
8b625ed942b96ae40659c8d275ebbc3c91d96240
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/2b22796f-74f3-4073-b035-b279ffe222c0/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.99
Link:
https://yomi.yoroi.company/submissions/8a787110b98a97ec7991dc418ff2ea45a03b93d8926f31f3cdd5cd3630678b5a

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_no_import_table
Create hunting rule
Description:Detect pe file that no import table
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 8a787110b98a97ec7991dc418ff2ea45a03b93d8926f31f3cdd5cd3630678b5a

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/2245/

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

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