MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6a25af2f54a4ba04d02a4cf1e6f4fcf4a8b794a24a60d3c65273ab94c2700060. 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 6 File information Comments
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SHA256 hash: 6a25af2f54a4ba04d02a4cf1e6f4fcf4a8b794a24a60d3c65273ab94c2700060
SHA3-384 hash: 4c346d9b5c8280228957c6e8d4dfc299788b64ed151b4c81307ac5b4e952c7ab84dbd4ac84f06a148f1d23a6c4bd4d41
SHA1 hash: b6a370fc9924194a66c3287e4bca2bdf458a9cc1
MD5 hash: 4ac714bc29590957bbae6088688f94f8
humanhash: maine-high-black-social
File name:DHL - OVERDUE ACCOUNT LETTER- FINAL REMINDER - 1300711528.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'623'552 bytes
First seen:2025-03-05 07:23:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'476 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:dOe4OaavTb9aBnR5DRTbl8W7SmoFbG1uRVaAhEoY5qo:8QA3VmW7So1uRVZh5
TLSH T1EE75F183B94BAAA2E6855736C59B440043F4DD82739FDB1E3D8E23A71C43BBADD01167
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 abuse_ch
Tags:DHL exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
432
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL - OVERDUE ACCOUNT LETTER- FINAL REMINDER - 1300711528.exe
Verdict:
Suspicious activity
Analysis date:
2025-03-05 07:54:29 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a7b999a3-6e57-45c9-bc49-ac76b848c6d1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.3259.16786.20838.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67c7fe89c668b65489bf185e
Tags:
autorun virus msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Launching a process
Сreating synchronization primitives
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade net_reactor obfuscated obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/67c7fc073e7c969dcac61ff3/reports/92c9ecc9-bd51-4d97-82e8-b28f9c349fc7/overview
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/6a25af2f54a4ba04d02a4cf1e6f4fcf4a8b794a24a60d3c65273ab94c2700060
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/80556ec6-3303-44f7-934d-1eeb8d539d55
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1629828
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Drops VBS files to the startup folder
Found direct / indirect Syscall (likely to bypass EDR)
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 dropped file
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: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Switches to a custom stack to bypass stack traces
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses ping.exe to check the status of other devices and networks
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1629828 Sample: DHL - OVERDUE ACCOUNT LETTE... Startdate: 05/03/2025 Architecture: WINDOWS Score: 100 39 www.acguys.xyz 2->39 41 www.fstudy.xyz 2->41 43 13 other IPs or domains 2->43 55 Antivirus detection for URL or domain 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 Yara detected FormBook 2->59 63 8 other signatures 2->63 10 DHL - OVERDUE ACCOUNT LETTER- FINAL REMINDER - 1300711528.exe 5 2->10         started        14 wscript.exe 1 2->14         started        signatures3 61 Performs DNS queries to domains with low reputation 41->61 process4 file5 35 C:\Users\user\AppData\Roaming\Target.exe, PE32 10->35 dropped 37 C:\Users\user\AppData\Roaming\...\Target.vbs, ASCII 10->37 dropped 75 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->75 77 Writes to foreign memory regions 10->77 79 Injects a PE file into a foreign processes 10->79 16 InstallUtil.exe 10->16         started        81 Windows Scripting host queries suspicious COM object (likely to drop second stage) 14->81 19 Target.exe 2 14->19         started        signatures6 process7 signatures8 51 Maps a DLL or memory area into another process 16->51 21 pCWdj3FIzDs5.exe 16->21 injected 53 Multi AV Scanner detection for dropped file 19->53 24 InstallUtil.exe 19->24         started        process9 signatures10 65 Found direct / indirect Syscall (likely to bypass EDR) 21->65 26 PING.EXE 13 21->26         started        process11 signatures12 67 Tries to steal Mail credentials (via file / registry access) 26->67 69 Tries to harvest and steal browser information (history, passwords, etc) 26->69 71 Modifies the context of a thread in another process (thread injection) 26->71 73 3 other signatures 26->73 29 pCWdj3FIzDs5.exe 26->29 injected 33 firefox.exe 26->33         started        process13 dnsIp14 45 www.fstudy.xyz 13.248.169.48, 49987, 49988, 49989 AMAZON-02US United States 29->45 47 www.amzavy.info 47.83.1.90, 49979, 49980, 49981 VODANETInternationalIP-BackboneofVodafoneDE United States 29->47 49 6 other IPs or domains 29->49 83 Found direct / indirect Syscall (likely to bypass EDR) 29->83 signatures15
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6a25af2f54a4ba04d02a4cf1e6f4fcf4a8b794a24a60d3c65273ab94c2700060
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6a25af2f54a4ba04d02a4cf1e6f4fcf4a8b794a24a60d3c65273ab94c2700060/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-03-04 22:55:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nis26l2uus5ajubkjty6n5h46sulpffcjjqnhrssoovzjqtqabqa._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery
Link:
https://tria.ge/reports/250305-h777ksstgv/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Drops startup file
Suspicious use of NtCreateUserProcessOtherParentProcess
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e9e0517b-1571-4079-9982-d06ece75b2b1
Unpacked files
SH256 hash:
6a25af2f54a4ba04d02a4cf1e6f4fcf4a8b794a24a60d3c65273ab94c2700060
MD5 hash:
4ac714bc29590957bbae6088688f94f8
SHA1 hash:
b6a370fc9924194a66c3287e4bca2bdf458a9cc1
Link:
https://www.unpac.me/results/263be0b4-e7c1-4817-9930-f46f08e94179/
SH256 hash:
f8da7fac86e9bda8779429e6b5361fb8c63d7f661526537acc845bafc803dcee
MD5 hash:
357a85111fe6a6eb30fc77881bf2a183
SHA1 hash:
26d8260985d9c0335bab53a7d036bb8325996002
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/263be0b4-e7c1-4817-9930-f46f08e94179/
SH256 hash:
b0977c1bef5200867b544af58559ce4fb0c5636a7fbdf7adbaed065d788a62eb
MD5 hash:
f7b65c191a0fe78422ceadd0bec03f5f
SHA1 hash:
108d6480e6ca5aafad1d4a91d76774e9dc1f67c0
Link:
https://www.unpac.me/results/263be0b4-e7c1-4817-9930-f46f08e94179/
SH256 hash:
78f73e1734daa918b253517c75971fbb8df773a3d77d02a752e9a0ad1711a677
MD5 hash:
f9d2985aa1c41cca281321fffb5ed424
SHA1 hash:
3a7a58d2dcae2762882357ae34d372744b1dbb9d
Link:
https://www.unpac.me/results/263be0b4-e7c1-4817-9930-f46f08e94179/
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
Link:
https://www.unpac.me/results/263be0b4-e7c1-4817-9930-f46f08e94179/
SH256 hash:
7c4fe9e345b410674527caad3eafe4882cc983a9dbccf85c1210762c3ee8a2d0
MD5 hash:
dfce061115bc4147be4ebb1d28cb5728
SHA1 hash:
bc53463320abea224dca15469a228c7add06f240
Link:
https://www.unpac.me/results/263be0b4-e7c1-4817-9930-f46f08e94179/
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/6a25af2f54a4ba04d02a4cf1e6f4fcf4a8b794a24a60d3c65273ab94c2700060

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: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_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.

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

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