MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0fb639ad1798449d4dd32d0d4fe0b2076bcd3f22c0ca71123029ddbebc79fbff. 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: 20


Intelligence 20 IOCs YARA 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0fb639ad1798449d4dd32d0d4fe0b2076bcd3f22c0ca71123029ddbebc79fbff
SHA3-384 hash: 7731dcf62f8f75a8bd2e0ed2b2d3c299720584a9fffd89101712e362e3532d1ada912ab45f57c7934beaebdfce6eb35a
SHA1 hash: 8a05e1f786ff4e7e4bc4398260b171d6ac8f0933
MD5 hash: efde8ff01d21f0fef02c7db8dd5a654b
humanhash: lithium-one-spring-robin
File name:DHL Receipt_988200941.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:707'072 bytes
First seen:2026-01-05 08:10:49 UTC
Last seen:2026-01-05 08:11:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'795 x AgentTesla, 19'693 x Formbook, 12'274 x SnakeKeylogger)
ssdeep 12288:vD4DFnITt42YmfVRfP8RVsPaHpfllEg+33TDHSVcF7xKa4mIu8Bc6:b4JnITa2YoV8V33E1vHy4Upmxx6
Threatray 2'522 similar samples on MalwareBazaar
TLSH T116E4024037A8DB12D4E15BF56932C2B45BB43DEEA522C2479EE63EDFB47AB604911303
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 lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
157
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/dfef2e47-08b1-4645-ac2b-34e4e292e487/
Malware family:
n/a
ID:
1
File name:
DHL Receipt_988200941.exe
Verdict:
No threats detected
Analysis date:
2026-01-05 08:04:34 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f03e1438-ba57-448e-bfec-52075016f41e

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/47668/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=695b7224e148d42004df7283
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
Сreating synchronization primitives
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook krypt masquerade packed
Link:
https://www.filescan.io/uploads/695b72212fb7bb52ca875d46/reports/c6c4d984-d337-4f89-a221-f8645a508604/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/0fb639ad1798449d4dd32d0d4fe0b2076bcd3f22c0ca71123029ddbebc79fbff
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-05T03:40:00Z UTC
Last seen:
2026-01-06T05:36:00Z UTC
Hits:
~1000
Detections:
VHO:Trojan-Spy.MSIL.Noon.gen UDS:DangerousObject.Multi.Generic Trojan-Spy.Win32.Noon.sb Trojan.MSIL.Crypt.sb Trojan-Spy.Noon.HTTP.ServerRequest PDM:Trojan.Win32.Generic HEUR:Trojan.MSIL.Agent.gen Trojan.MSIL.Taskun.sb Trojan.MSIL.Inject.sb HEUR:Trojan-Spy.MSIL.Noon.gen
Link:
https://opentip.kaspersky.com/0fb639ad1798449d4dd32d0d4fe0b2076bcd3f22c0ca71123029ddbebc79fbff/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/921de42c-3ebe-49d7-b6e2-7e6c7cab1b2a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1844749
Signature
.NET source code contains potential unpacker
Initial sample is a PE file and has a suspicious name
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)
Unusual module load detection (module proxying)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1844749 Sample: DHL Receipt_988200941.exe Startdate: 05/01/2026 Architecture: WINDOWS Score: 100 33 www.54819335.xyz 2->33 35 www.030061221.xyz 2->35 37 19 other IPs or domains 2->37 45 Suricata IDS alerts for network traffic 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected FormBook 2->49 53 5 other signatures 2->53 11 DHL Receipt_988200941.exe 3 2->11         started        signatures3 51 Performs DNS queries to domains with low reputation 35->51 process4 file5 31 C:\Users\...\DHL Receipt_988200941.exe.log, ASCII 11->31 dropped 14 DHL Receipt_988200941.exe 11->14         started        process6 signatures7 63 Maps a DLL or memory area into another process 14->63 17 cLWJsCLdlB3Mso.exe 14->17 injected process8 process9 19 HOSTNAME.EXE 13 17->19         started        signatures10 55 Tries to steal Mail credentials (via file / registry access) 19->55 57 Tries to harvest and steal browser information (history, passwords, etc) 19->57 59 Modifies the context of a thread in another process (thread injection) 19->59 61 4 other signatures 19->61 22 CmYQBftuAhG8.exe 19->22 injected 25 chrome.exe 19->25         started        27 firefox.exe 19->27         started        process11 dnsIp12 39 www.soveni.live 203.161.48.133, 49739, 49740, 49741 VNPT-AS-VNVNPTCorpVN Malaysia 22->39 41 shikanavi.com 49.212.243.72, 49755, 49756, 49757 SAKURA-CSAKURAInternetIncJP Japan 22->41 43 10 other IPs or domains 22->43 29 WerFault.exe 4 25->29         started        process13
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/0fb639ad1798449d4dd32d0d4fe0b2076bcd3f22c0ca71123029ddbebc79fbff
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.43 Win 32 Exe x86
Link:
https://app.malva.re/file/efde8ff01d21f0fef02c7db8dd5a654b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0fb639ad1798449d4dd32d0d4fe0b2076bcd3f22c0ca71123029ddbebc79fbff/
Verdict:
Malicious
Threat:
VHO:Trojan-Spy.MSIL.Noon
Link:
https://tip.neiki.dev/file/0fb639ad1798449d4dd32d0d4fe0b2076bcd3f22c0ca71123029ddbebc79fbff
Threat name:
ByteCode-MSIL.Trojan.PureLogStealer
Create hunting rule
Status:
Malicious
First seen:
2026-01-05 06:49:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=b63dtlixtbcj2totfugu7yfsa5v42pzcydfhcerqfho35pdz7p7q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
18bcbb69ee3d1e2fd3e6555bd39d384d8030cd333a4aaa924d761a01ff83fdbd
Formbook
4d785c8d5b76df07f04f87f542e375b2ac96ff64f28b6282179a005d801d9c1d
Formbook
5756e25b85cd80cc50822ff08493723729b4f99d37d2a0e26a4a0fa244c7db15
Formbook
9a79193b40c2ec6accfa36696cdad711db7b4ca0d1dec4b1158d4b461017dedc
Formbook
a7084e26390ab1dbd0318403c7f73dc63d3ca65ba7fb289349e88de4e46dc98f
Formbook
error
Formbook
+ 2'512 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/260105-j3f3zabp9y/
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/345af6c5-18de-4069-9f4d-ba3723c93248
Unpacked files
SH256 hash:
0fb639ad1798449d4dd32d0d4fe0b2076bcd3f22c0ca71123029ddbebc79fbff
MD5 hash:
efde8ff01d21f0fef02c7db8dd5a654b
SHA1 hash:
8a05e1f786ff4e7e4bc4398260b171d6ac8f0933
Link:
https://www.unpac.me/results/84cf1381-bbae-47db-a06e-a2095868fd07/
SH256 hash:
3a2033960c9bc9d2fd17f915be511ac86b273b92175019266de3e3b23a4e2b9f
MD5 hash:
0b56fa66ec518c76e237b6f0e7d010b9
SHA1 hash:
48bc2fb822c272a9c1e1df618740b38db11f9041
Link:
https://www.unpac.me/results/84cf1381-bbae-47db-a06e-a2095868fd07/
SH256 hash:
31cf8284e68413b361d449739ec47adc0f6ae8c8a505ceeec7a0dd376dca5c9f
MD5 hash:
58a45e7b2694939cd659438c12149dce
SHA1 hash:
6805c488c80ea3d48a29183a673eb1fb056eccda
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/84cf1381-bbae-47db-a06e-a2095868fd07/
SH256 hash:
1f34fb5ac599798b7dbb04cd07c878041fb304d8d07293690076e895ec8ff8e6
MD5 hash:
789827c7834e0e4801afa5bd08c6bb94
SHA1 hash:
929f28c8b10383dfafa83e1d03cd29b21e227ea7
Link:
https://www.unpac.me/results/84cf1381-bbae-47db-a06e-a2095868fd07/
SH256 hash:
5c9080de2d4515e0e6d1f5fa7d379576c0b9de3e3d4b6832b95b24cd51dad74e
MD5 hash:
5d95032f62cc91a74212210f0a37882a
SHA1 hash:
3628ce54a60c7f189a7c45a5ce60852109147ce8
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/84cf1381-bbae-47db-a06e-a2095868fd07/
Parent samples :
4d785c8d5b76df07f04f87f542e375b2ac96ff64f28b6282179a005d801d9c1d
0fb639ad1798449d4dd32d0d4fe0b2076bcd3f22c0ca71123029ddbebc79fbff
c6792922c5d98b83a6f89ae037a9ab9c83085f173e7542e09f9fff143ddd42b5
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/0fb639ad1798/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/0fb639ad1798449d4dd32d0d4fe0b2076bcd3f22c0ca71123029ddbebc79fbff

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
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:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
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:TH_Win_ETW_Bypass_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Windows ETW Bypass Detection Rule - 2025
Reference:https://cyfare.net/

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 0fb639ad1798449d4dd32d0d4fe0b2076bcd3f22c0ca71123029ddbebc79fbff

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/47668/

Comments