MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1de83b987288b4280bc4b6fad76085039e6331176c878c6c6f0987ac130f9bfb. 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: 19


Intelligence 19 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1de83b987288b4280bc4b6fad76085039e6331176c878c6c6f0987ac130f9bfb
SHA3-384 hash: 81a14479ad27f4bc95135e399abb858960ffda2ffcc5021a7566c360be2a1584f5609cb3d24bf919ef503843b91dfcd1
SHA1 hash: bf224e533dc6041a3f7e797ed9eff32ba74db788
MD5 hash: 701c0fabc8a3f486992b217bdc712113
humanhash: december-potato-spaghetti-delaware
File name:BS HAIPHONG Q88.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:746'496 bytes
First seen:2025-08-14 10:19:38 UTC
Last seen:2025-09-05 12:33:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:kQ68LOwUN5DrzzNNQfykN2x1Tt0ag+oq2gWRbnmLqB80qkdbA3bMnjd952j0UoHr:kJ8B2/VXk8x1TtTg+Q7asMLMjPQj0UoL
TLSH T1E9F401912759DA23C4B10BF49D71E3B803BA5E9E6C11E30A8EE9BCCB3876B553144793
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 threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
77
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
BSHAIPHONGQ88.exe
Verdict:
Suspicious activity
Analysis date:
2025-08-14 10:24:39 UTC
Tags:
netreactor
Link:
https://app.any.run/tasks/155deaca-4ba8-4045-ad75-9f9ad5421d32

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/21312/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=689db88831e468d93724b938
Tags:
virus msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Sending a custom TCP request
Сreating synchronization primitives
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 bitmap lolbin msbuild obfuscated packed packed reconnaissance regsvcs rezer0 roboski schtasks stego vbc zero
Link:
https://www.filescan.io/uploads/689db8499ef4d2ff7cfcb68f/reports/c8155f8f-14ad-432c-b299-53ba5ea0c2bb/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/1de83b987288b4280bc4b6fad76085039e6331176c878c6c6f0987ac130f9bfb
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fde077a8-d9a9-4f50-9592-39938d1127be
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1756827
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
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: 1756827 Sample: BS HAIPHONG Q88.exe Startdate: 14/08/2025 Architecture: WINDOWS Score: 100 34 www.br199805.xyz 2->34 36 www.zavico.life 2->36 38 18 other IPs or domains 2->38 46 Suricata IDS alerts for network traffic 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 Yara detected FormBook 2->50 54 4 other signatures 2->54 11 BS HAIPHONG Q88.exe 3 2->11         started        signatures3 52 Performs DNS queries to domains with low reputation 34->52 process4 file5 32 C:\Users\user\...\BS HAIPHONG Q88.exe.log, ASCII 11->32 dropped 64 Injects a PE file into a foreign processes 11->64 15 BS HAIPHONG Q88.exe 11->15         started        signatures6 process7 signatures8 66 Maps a DLL or memory area into another process 15->66 18 Ju59C8ewMiK.exe 15->18 injected process9 process10 20 logman.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 2Dmc0bZzi.exe 20->23 injected 26 chrome.exe 20->26         started        28 firefox.exe 20->28         started        process12 dnsIp13 40 livelens.click 15.197.225.128, 49686, 49731, 49732 TANDEMUS United States 23->40 42 www.ecolink.group 212.227.172.253, 49723, 49724, 49725 ONEANDONE-ASBrauerstrasse48DE Germany 23->42 44 9 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/1de83b987288b4280bc4b6fad76085039e6331176c878c6c6f0987ac130f9bfb
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable PDB Path PE (Portable Executable) SOS: 0.47 Win 32 Exe x86
Link:
https://app.malva.re/file/701c0fabc8a3f486992b217bdc712113
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1de83b987288b4280bc4b6fad76085039e6331176c878c6c6f0987ac130f9bfb/
Verdict:
Malicious
Threat:
VHO:Trojan-Spy.MSIL.Noon
Link:
https://tip.neiki.dev/file/1de83b987288b4280bc4b6fad76085039e6331176c878c6c6f0987ac130f9bfb
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-08-14 07:08:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dxudxgdsrc2cqc6ew35noyefaopggmixnsdyy3dpbgd2yeyptp5q._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/250814-mdkawasxex/
Behaviour
Suspicious behavior: EnumeratesProcesses
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/5c588148-b9e7-477e-a3c8-b515d776ad55
Unpacked files
SH256 hash:
1de83b987288b4280bc4b6fad76085039e6331176c878c6c6f0987ac130f9bfb
MD5 hash:
701c0fabc8a3f486992b217bdc712113
SHA1 hash:
bf224e533dc6041a3f7e797ed9eff32ba74db788
Link:
https://www.unpac.me/results/eea170d5-2a95-4d1c-8f84-ab180bec1a87/
SH256 hash:
42a9f34c2a87e38bf3d47fc47ee083153f1ddc785cfd04fd40101583d17bbeaa
MD5 hash:
43f1814886a27b4a328fd96f2cca2819
SHA1 hash:
2fcbab4d1cf423a28da54a13cd8de7a6b2225853
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/eea170d5-2a95-4d1c-8f84-ab180bec1a87/
SH256 hash:
41f05afc77e61e5ae04b486865fdc040f2baef2a48aa0c6c669cb8cd06bc9bed
MD5 hash:
0e4b10eb5cd9660ae69f8313a2210869
SHA1 hash:
8257c12bc11ee5a97951d1b9f2bafbeb39680771
Link:
https://www.unpac.me/results/eea170d5-2a95-4d1c-8f84-ab180bec1a87/
SH256 hash:
460cf4c4d4cfe4b310e0c81d240e1bf2311b5476c4c91748a8d4d0e8ebcc59e4
MD5 hash:
19f12013706b3a92e6ae1046d91b6106
SHA1 hash:
949d1e523c477aa657705bace7391ba4df66a077
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/eea170d5-2a95-4d1c-8f84-ab180bec1a87/
Parent samples :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 hash:
929f68ecbc742673a03b398ee461f40d1b3d528fe3bfd4a37b6fd6b65fb97f94
MD5 hash:
489d02e73ca15a65d2254b2bf5cebca1
SHA1 hash:
a242c550f61bcbe65e1dde36e0f7ce6cdc126218
Link:
https://www.unpac.me/results/eea170d5-2a95-4d1c-8f84-ab180bec1a87/
Malware family:
zgRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1de83b987288/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/1de83b987288b4280bc4b6fad76085039e6331176c878c6c6f0987ac130f9bfb

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: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 1de83b987288b4280bc4b6fad76085039e6331176c878c6c6f0987ac130f9bfb

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/21312/

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 (GUARD_CF)high

Comments