MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efd5bd5583718e2f16537a1c78f65c7dec90933451615c7663995533fd6f3d68. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: efd5bd5583718e2f16537a1c78f65c7dec90933451615c7663995533fd6f3d68
SHA3-384 hash: 0dbed06ccb7e156f3dec8146e494cc51c4393e0db587535c76aaabcf0f433c06f479903e480dca0bb1057ab3776dec7d
SHA1 hash: 3872a3bb3c15c2c99b939a659f03c0d134243a29
MD5 hash: 858b9868989ff4a7cae2275097591eda
humanhash: maine-mirror-september-hawaii
File name:Sales Rep CV-JOB REQUEST.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'010'176 bytes
First seen:2025-06-12 12:35:36 UTC
Last seen:2025-06-20 07:56:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'633 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:rZwo1VCnRdCaCGCiIvXfNppxng3okJk3bzDGHooo8SnsHIT0SC:rZwoHerDAxg3z+n6HohUXS
TLSH T17B25E00433759917D57B52F699A2C23507B6AE49B66AC3CA0CD43CCF3AFA7011A83727
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 b070d48646c6cc30 (3 x SnakeKeylogger, 3 x Formbook, 1 x MassLogger)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
5
# of downloads :
518
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Sales Rep CV-JOB REQUEST.exe
Verdict:
No threats detected
Analysis date:
2025-06-12 12:42:07 UTC
Tags:
netreactor
Link:
https://app.any.run/tasks/8ac46be2-bf47-41cf-9b51-99735d2c45ec

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/9140/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=684acae48bd5d68a12e81b6b
Tags:
shell virus micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/684aca9efd02ed5e05a67a3c/reports/dad02130-8ff1-459b-a70f-4bbe9d0ccc41/overview
Verdict:
Malicious
Labled as:
MSIL/GenKryptik_AGeneric.BFD trojan
Link:
https://www.hybrid-analysis.com/sample/efd5bd5583718e2f16537a1c78f65c7dec90933451615c7663995533fd6f3d68
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/36c00cd1-f80a-44f4-b88b-5ebfabb57f3c
Result
Threat name:
FormBook, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1713238
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
Antivirus / Scanner detection for submitted sample
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)
Yara detected AntiVM3
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1713238 Sample: Sales Rep CV-JOB REQUEST.exe Startdate: 12/06/2025 Architecture: WINDOWS Score: 100 38 www.wdbos968.xyz 2->38 40 www.s5dic3tz5.xyz 2->40 42 18 other IPs or domains 2->42 50 Suricata IDS alerts for network traffic 2->50 52 Antivirus / Scanner detection for submitted sample 2->52 54 Multi AV Scanner detection for submitted file 2->54 58 8 other signatures 2->58 11 Sales Rep CV-JOB REQUEST.exe 4 2->11         started        signatures3 56 Performs DNS queries to domains with low reputation 40->56 process4 file5 36 C:\Users\...\Sales Rep CV-JOB REQUEST.exe.log, ASCII 11->36 dropped 68 Adds a directory exclusion to Windows Defender 11->68 70 Injects a PE file into a foreign processes 11->70 15 Sales Rep CV-JOB REQUEST.exe 11->15         started        18 powershell.exe 23 11->18         started        signatures6 process7 signatures8 72 Maps a DLL or memory area into another process 15->72 20 psagGcIwVArLah.exe 15->20 injected 74 Loading BitLocker PowerShell Module 18->74 22 conhost.exe 18->22         started        process9 process10 24 openfiles.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 M8tLJwrfV153.exe 24->27 injected 30 chrome.exe 24->30         started        32 firefox.exe 24->32         started        process12 dnsIp13 44 shapeburn.art 84.32.84.32, 49724, 49725, 49726 NTT-LT-ASLT Lithuania 27->44 46 www.trackiing.shop 173.212.219.166, 49722, 80 CONTABODE Germany 27->46 48 8 other IPs or domains 27->48 34 WerFault.exe 4 30->34         started        process14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/efd5bd5583718e2f16537a1c78f65c7dec90933451615c7663995533fd6f3d68
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/efd5bd5583718e2f16537a1c78f65c7dec90933451615c7663995533fd6f3d68/
Threat name:
Win32.Trojan.Kepavll
Create hunting rule
Status:
Malicious
First seen:
2025-06-12 05:15:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=57k32vmdoghc6fstpiohr5s4pxwjbezukfqvy5tdtfkth7lphvua._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Link:
https://tria.ge/reports/250612-pvw24svlx6/
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/2559b1cc-3365-45ad-aab0-fe02259b1f21
Unpacked files
SH256 hash:
efd5bd5583718e2f16537a1c78f65c7dec90933451615c7663995533fd6f3d68
MD5 hash:
858b9868989ff4a7cae2275097591eda
SHA1 hash:
3872a3bb3c15c2c99b939a659f03c0d134243a29
Link:
https://www.unpac.me/results/733ba437-df6b-4451-adfd-6d69a30a6eed/
SH256 hash:
26461b1beeb60894c69f2d29aaef9e3272e786fdd32f5af1d12aaa231c37a001
MD5 hash:
ce00f05da886f473fa0da8ac78b3921d
SHA1 hash:
799bcca247b2241d3f32a2005d0b236d9f2c48e7
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/733ba437-df6b-4451-adfd-6d69a30a6eed/
Parent samples :
efd5bd5583718e2f16537a1c78f65c7dec90933451615c7663995533fd6f3d68
a6defff65ffc0807f8f1c9b19302120434917314b69810fd74048e76bb616e0a
14a132704212b592f4de974b35a9aa64ded02dceb9589624fe86b332dd531f05
SH256 hash:
076e3e8cdb9d539465bc01771817a6864af668ddd1b4eba7b1e008dabec3a284
MD5 hash:
1ea047861a10e71f1f008312bdb135bc
SHA1 hash:
84cdac3e57ff92b9c9ad7ead72910172f8ae29b0
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/733ba437-df6b-4451-adfd-6d69a30a6eed/
SH256 hash:
d3572d2599398195510d76d0887930c39fa782f6f303cbdd378908bf90e0e1e6
MD5 hash:
242438d26be438365570c4bbb0669354
SHA1 hash:
cde7514eef8003ba023ac1dc9533ea272289e038
Link:
https://www.unpac.me/results/733ba437-df6b-4451-adfd-6d69a30a6eed/
SH256 hash:
e1ce231a64c063fecb0c4dbc912346c016448bde2a5d2c156af32ced9dda3c7e
MD5 hash:
90af4d4793ef58546a50bfd29864a401
SHA1 hash:
eed5f04970da698d374bded2e3deeebda7551fe0
Link:
https://www.unpac.me/results/733ba437-df6b-4451-adfd-6d69a30a6eed/
SH256 hash:
82b333b668e435829a2aefdd5ba429f26b09ed731e8e8531ad9ae449cc41a05f
MD5 hash:
82834f6089afc910c0dd1c5c05c2d968
SHA1 hash:
4e377d7303925c6ea6cae81b742d6467fb7d6373
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/733ba437-df6b-4451-adfd-6d69a30a6eed/
Malware family:
zgRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/efd5bd558371/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/efd5bd5583718e2f16537a1c78f65c7dec90933451615c7663995533fd6f3d68

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:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
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:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
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 efd5bd5583718e2f16537a1c78f65c7dec90933451615c7663995533fd6f3d68

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/9140/

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