MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d1a82af2d052117e637c17671568650659a93541083f107e4d1b2d357935928d. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d1a82af2d052117e637c17671568650659a93541083f107e4d1b2d357935928d
SHA3-384 hash: 8fefb420f8caea2552fcc034f6f6e2774f35dea5b18cfc99d1e43e2b9e1a49d8a8b172a6554b3817d354e2fa7b9bbad5
SHA1 hash: 6c61eb8e5851778e4ed57044c50442dae2b875bd
MD5 hash: 625d2fae7b900a58c7e9daed1f85cab3
humanhash: four-kilo-texas-butter
File name:PO 2025918 pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:765'952 bytes
First seen:2025-01-14 10:52:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:wYRxA4Y5lyA/BxSPCj6HGXjxU70KoJZTb0r4d2SS8Kgqy4wenbJuuCkq64Qxhrok:nRnSWw9Ld2SA3n940hERompRZzK
TLSH T130F40258632DE907C0621BB44932D3F823B59E89A621C7139BED3EFFBC76B462914351
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 TeamDreier
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
188
Origin country :
DK DK
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6786421e4487910100ded2d6
Tags:
underscore shell virus msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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 phishing
Link:
https://www.filescan.io/uploads/6786421a378c50dc993fb424/reports/6b27be36-31cc-4430-a833-d1e73067de73/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/d1a82af2d052117e637c17671568650659a93541083f107e4d1b2d357935928d
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8827f61d-22a3-4d63-9b56-06e1759a77d5
Result
Threat name:
FormBook, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1590629
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for 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)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
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: 1590629 Sample: PO 2025918 pdf.exe Startdate: 14/01/2025 Architecture: WINDOWS Score: 100 35 www.letsbookcruise.xyz 2->35 37 zcdn.8383dns.com 2->37 39 15 other IPs or domains 2->39 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected PureLog Stealer 2->49 51 Yara detected FormBook 2->51 55 5 other signatures 2->55 10 PO 2025918 pdf.exe 4 2->10         started        signatures3 53 Performs DNS queries to domains with low reputation 35->53 process4 file5 33 C:\Users\user\...\PO 2025918 pdf.exe.log, ASCII 10->33 dropped 67 Adds a directory exclusion to Windows Defender 10->67 69 Injects a PE file into a foreign processes 10->69 14 PO 2025918 pdf.exe 10->14         started        17 powershell.exe 23 10->17         started        signatures6 process7 signatures8 73 Maps a DLL or memory area into another process 14->73 19 mIrIhAjAJblou.exe 14->19 injected 75 Loading BitLocker PowerShell Module 17->75 22 conhost.exe 17->22         started        process9 signatures10 57 Found direct / indirect Syscall (likely to bypass EDR) 19->57 24 ROUTE.EXE 13 19->24         started        process11 signatures12 59 Tries to steal Mail credentials (via file / registry access) 24->59 61 Tries to harvest and steal browser information (history, passwords, etc) 24->61 63 Modifies the context of a thread in another process (thread injection) 24->63 65 3 other signatures 24->65 27 mIrIhAjAJblou.exe 24->27 injected 31 firefox.exe 24->31         started        process13 dnsIp14 41 www.qzsazi.info 47.83.1.90, 49487, 49488, 49489 VODANETInternationalIP-BackboneofVodafoneDE United States 27->41 43 www.actionhub.live 67.223.117.189, 49475, 49476, 49477 VIMRO-AS15189US United States 27->43 45 7 other IPs or domains 27->45 71 Found direct / indirect Syscall (likely to bypass EDR) 27->71 signatures15
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d1a82af2d052117e637c17671568650659a93541083f107e4d1b2d357935928d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d1a82af2d052117e637c17671568650659a93541083f107e4d1b2d357935928d/
Threat name:
Win32.Exploit.PureLogStealer
Create hunting rule
Status:
Malicious
First seen:
2025-01-14 08:07:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
14 of 23 (60.87%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2gucv4wqkiix4y34c5trk2dfazm2snkbba7ra7sndmwtk6jvskgq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Link:
https://tria.ge/reports/250114-myyzrsyjbq/
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:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/9ad32c32-9e3d-4bdf-aa33-b9da34ed95ce
Unpacked files
SH256 hash:
9c531ba6aa9308054cf68f3495891749b1677813f017a5f16cd442cf2b93b4f3
MD5 hash:
2eeecde3cd6727b87f7b87dc2cf6c165
SHA1 hash:
ef26ea16a1ebb8e2e5ce7c331ac9502b71f8b773
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/8f75e96d-e173-4054-a54e-204ae16177af/
Parent samples :
d1a82af2d052117e637c17671568650659a93541083f107e4d1b2d357935928d
cabc5d9c4521d4ed396a616015bc0ce4f0a23e287a7dfbbcff504b1235ac4aad
7f3b3f489c04f2d2de967d41bdf561fd88fa5af7f128ebae5c60632b15cacae3
320daf03f7f2b9e697955ebc5c479c51fa3fb32caf789187c54b52749550305a
SH256 hash:
302a4d8658c6844529ed769c6a29673a036a765bb8dc22fd2bd0d4abc3bf84ad
MD5 hash:
470a56c745079cca34d6d4698f109f67
SHA1 hash:
c139009d57b1cae9d0915157245b20e273106b2d
Link:
https://www.unpac.me/results/8f75e96d-e173-4054-a54e-204ae16177af/
SH256 hash:
d2ec56268400d5a612c64d11c0010fcf82d4ab14452d3a1d26f904bc1c7e74db
MD5 hash:
d9fdfbc86e57d84190c97e3ae13a57a5
SHA1 hash:
c8fe41f9d36bce2cf9c7521e4e12324e177b1629
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/8f75e96d-e173-4054-a54e-204ae16177af/
SH256 hash:
db86194244100e03237d561d07295bdd6e27bb998ef6ef8f7efa67947457c1e7
MD5 hash:
2f9e10066cb2fe517ba3bc0ef37e21e3
SHA1 hash:
4b6d0c61fc52af571814911aabe22b442cda5185
Link:
https://www.unpac.me/results/8f75e96d-e173-4054-a54e-204ae16177af/
SH256 hash:
3aa7ca05584211acc2467c39553e7a045c6b5ba59ff266127801be4cddbd0cbb
MD5 hash:
35e1b4bc5de79edb713c8692cb4efd38
SHA1 hash:
06e23eedcbfa52850fd10fb7764431a452b90a7e
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/8f75e96d-e173-4054-a54e-204ae16177af/
Parent samples :
dda88b2f3e4fc0dd679df66662d77aaedaeed19d542fab5171f54e0b01869461
24e7335ab9d5e3232a8434d8e48a72e3b4a537f5496f3bfec0ef88a2359157c6
a3af3dcfd89b655982b6e044b681b140dcefbe0606d69b0b7839b8cda28ccc91
d1a82af2d052117e637c17671568650659a93541083f107e4d1b2d357935928d
778f9aa3775f01e8be291052165e046a6344d925f5014d2ebbebd6e46148ae1b
4d7ae4a600ffeadb38636c294d14612029a0b76313fefb6f27b606b2018b3400
efd86329975988f4c9e3178d139e82558d9ab07bb53dea0c5b6d0b234bb5cd35
800f9ec3e0b17084a4479e88fcc9089418ebd621531d1aee2eefbed5622a69b4
4d49933551f01cc730f63fd290ecb61f4bfa880a0660f0ec7363e148ef85645a
53744fdba0544f915f43eddad494ea07a405776df30864415d6b1445db042481
SH256 hash:
d1a82af2d052117e637c17671568650659a93541083f107e4d1b2d357935928d
MD5 hash:
625d2fae7b900a58c7e9daed1f85cab3
SHA1 hash:
6c61eb8e5851778e4ed57044c50442dae2b875bd
Link:
https://www.unpac.me/results/8f75e96d-e173-4054-a54e-204ae16177af/
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/d1a82af2d052117e637c17671568650659a93541083f107e4d1b2d357935928d

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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.

Malspam

Formbook

Executable exe d1a82af2d052117e637c17671568650659a93541083f107e4d1b2d357935928d

(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