MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 879ae6ad94fab07ae0eca468e29523bd67fa794db623bbfa42cce57897e810e7. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 879ae6ad94fab07ae0eca468e29523bd67fa794db623bbfa42cce57897e810e7
SHA3-384 hash: 962a8c272cbb8ebc353527a364377953be451ec3103926a0ca2e21528db8a5c9e31f3ceda79ee1b7e2b5ee92ec732be1
SHA1 hash: e4d0c52488904bad635bbdf415fae7dbc05a9ced
MD5 hash: 493e0c78c0a40aa63ab6e821452e19e5
humanhash: west-cold-louisiana-nine
File name:RFQ 0095545.PDF.scr
Download: download sample
Signature Formbook
Create hunting rule
File size:1'005'064 bytes
First seen:2025-05-21 06:40:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:StsslFPzL58ca0qL18vbdqcuiOLeGNr99jW8X:StsslMca0qCvr+NLf
Threatray 15 similar samples on MalwareBazaar
TLSH T14A25CD10722A89C7D96686F01460E2B207F65D797430DED29ED62DCB38EFB842D4CE67
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
dhash icon b464c4d0f0e8dcc4 (54 x AgentTesla, 8 x Formbook, 3 x Stealc)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
453
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ 0095545.PDF.scr
Verdict:
Malicious activity
Analysis date:
2025-05-21 06:43:42 UTC
Tags:
netreactor
Link:
https://app.any.run/tasks/f267db0e-4049-4362-b35e-aa29076e0347

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.W32.MSIL_Agent.ISV.gen.Eldorado.16200.30785.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=682d7553c28c67d666437a30
Tags:
virus spawn msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expired-cert invalid-signature masquerade obfuscated packed packed packer_detected phishing signed vbnet
Link:
https://www.filescan.io/uploads/682d75580de036ed65ada938/reports/8da78c01-5426-42db-983d-0921602a708f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/879ae6ad94fab07ae0eca468e29523bd67fa794db623bbfa42cce57897e810e7
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/59cb14be-6296-4fb2-b34e-e8493e2c2a4c
Result
Threat name:
FormBook, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1695626
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
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
Loading BitLocker PowerShell Module
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: Powershell Base64 Encoded MpPreference Cmdlet
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)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1695626 Sample: RFQ 0095545.PDF.scr.exe Startdate: 21/05/2025 Architecture: WINDOWS Score: 100 38 www.78448815.xyz 2->38 40 www.qimi10.xyz 2->40 42 19 other IPs or domains 2->42 50 Suricata IDS alerts for network traffic 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 Yara detected PureLog Stealer 2->54 58 9 other signatures 2->58 11 RFQ 0095545.PDF.scr.exe 4 2->11         started        signatures3 56 Performs DNS queries to domains with low reputation 40->56 process4 file5 36 C:\Users\user\...\RFQ 0095545.PDF.scr.exe.log, ASCII 11->36 dropped 68 Writes to foreign memory regions 11->68 70 Allocates memory in foreign processes 11->70 72 Adds a directory exclusion to Windows Defender 11->72 74 Injects a PE file into a foreign processes 11->74 15 RegSvcs.exe 11->15         started        18 powershell.exe 23 11->18         started        signatures6 process7 signatures8 76 Maps a DLL or memory area into another process 15->76 20 fUNsznSKpMx.exe 15->20 injected 78 Loading BitLocker PowerShell Module 18->78 22 conhost.exe 18->22         started        process9 process10 24 mshta.exe 13 20->24         started        signatures11 60 Tries to steal Mail credentials (via file / registry access) 24->60 62 Tries to harvest and steal browser information (history, passwords, etc) 24->62 64 Modifies the context of a thread in another process (thread injection) 24->64 66 3 other signatures 24->66 27 ohED7Ashy.exe 24->27 injected 30 chrome.exe 24->30         started        32 firefox.exe 24->32         started        process12 dnsIp13 44 www.vidpar.website 185.104.45.55, 49730, 49731, 49732 UKRAINE-ASUA Ukraine 27->44 46 martinapproved.online 81.169.145.161, 49758, 49759, 49760 STRATOSTRATOAGDE Germany 27->46 48 11 other IPs or domains 27->48 34 WerFault.exe 4 30->34         started        process14
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/879ae6ad94fab07ae0eca468e29523bd67fa794db623bbfa42cce57897e810e7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/879ae6ad94fab07ae0eca468e29523bd67fa794db623bbfa42cce57897e810e7/
Threat name:
Win32.Trojan.Kepavll
Create hunting rule
Status:
Malicious
First seen:
2025-05-21 01:57:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
27 of 37 (72.97%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=q6nonlmu7kyhvyhmuruoffjdxvt7u6knwyr3x6scztsxrf7icdtq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
08231df251ea16c395db1f4b4e17445c396316f8c30c12b0c61d3776db9ff46e
Formbook
4a9154e1accebc00701886ac29a82e973abbbf4141ec9b4af5f505d1b4da0e36
Formbook
879ae6ad94fab07ae0eca468e29523bd67fa794db623bbfa42cce57897e810e7
Formbook
8ca0e41da8651f9fa36bc0a10df4445d609e778c05e9de397bc231f097459593
Formbook
b94860a81a9afcb57b5e604c4008381cc550376a34d8f79f7381360a5573d756
Formbook
ce21bf206f998dad01775ae8fe4e487777cc8e9dc503c73f977b1fd41b9b312e
Formbook
d38596b6c13b0abd45ff0c5348c94c59692977877b20e242c09bf05fc5c0244b
Formbook
db0f9627eb6f6d633f7211ce94d2ab53277140634443909f78b96a7b18c48b9e
Formbook
e8f7a439064778b2ad9e44db4c6a5de467d3ba10afa3a3c377d6f34c177e36d8
Formbook
error
Formbook
+ 5 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Link:
https://tria.ge/reports/250521-he96gaxjv9/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/9bfe68a1-0eba-4ee8-a761-5d58092d4239
Unpacked files
SH256 hash:
879ae6ad94fab07ae0eca468e29523bd67fa794db623bbfa42cce57897e810e7
MD5 hash:
493e0c78c0a40aa63ab6e821452e19e5
SHA1 hash:
e4d0c52488904bad635bbdf415fae7dbc05a9ced
Link:
https://www.unpac.me/results/a84f4eaf-94de-4222-9c00-c3cf4812d09c/
SH256 hash:
0656f59c9e7cfa07d64cf4cd7d85ebd9b4399893cc853f3d1d37cca622d1f815
MD5 hash:
e4a8fe009b340647108a98105600f476
SHA1 hash:
03193855202feecd4bc542876855e706a243f13b
Link:
https://www.unpac.me/results/a84f4eaf-94de-4222-9c00-c3cf4812d09c/
SH256 hash:
43395c6fecd953242d6d49d334965ca2a327bdd1ded6ebe3c52ad72ce55a0083
MD5 hash:
7a663c4f5444e0aea41acbbe97f44ac1
SHA1 hash:
407d03e4af957b8dbcb0eed8a2678c95b7f3640f
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/a84f4eaf-94de-4222-9c00-c3cf4812d09c/
SH256 hash:
3fd31ea061a3441a8e90ddfbf9f1714e734fe530876940c5d27907148ca9abed
MD5 hash:
e86695a32bdcd5487f016b707fc55767
SHA1 hash:
5fc318102d074cf0547dd8d5ed50dd6e652b9e9c
Link:
https://www.unpac.me/results/a84f4eaf-94de-4222-9c00-c3cf4812d09c/
SH256 hash:
f620d353ffcc4543e3d87c551b79fb0f98513bafc286080427a455e2b299fc8c
MD5 hash:
f0bff35993ad01de3e217d3d6c0f1177
SHA1 hash:
0a2431cf15a72408280b165d1cb37898176a3619
Link:
https://www.unpac.me/results/a84f4eaf-94de-4222-9c00-c3cf4812d09c/
Malware family:
zgRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/879ae6ad94fa/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/879ae6ad94fab07ae0eca468e29523bd67fa794db623bbfa42cce57897e810e7

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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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 879ae6ad94fab07ae0eca468e29523bd67fa794db623bbfa42cce57897e810e7

(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