MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fd7a998d2f4db27ec6b0ec32459571e124128cf57ed9b8236374dc68519c8fa8. 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: 19


Intelligence 19 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fd7a998d2f4db27ec6b0ec32459571e124128cf57ed9b8236374dc68519c8fa8
SHA3-384 hash: 1483d350d8ac59addd2d88483e0c71b9b36d14fe9f4e203f9223101b1efb219e2ab6825c3a705eae58066fc6041668c7
SHA1 hash: 55463dde7149dbef65f81050bfe7c6339b0017a7
MD5 hash: c1635c946995f26c2bc72d1447c1cc6d
humanhash: eleven-uranus-kitten-floor
File name:PO#801624.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:788'992 bytes
First seen:2024-09-24 14:25:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:d9x4mDEoD8Kz+/22LlfcLsXetxlaIGgVT:d9x4mooDLzE7TYxlaq
Threatray 3'635 similar samples on MalwareBazaar
TLSH T15AF40141357DAF02D8B10BF54872D0B413F9AEAE9422E70A4ED63DDF3876F085A4568B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
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
File icon (PE):PE icon
dhash icon 30b8dacd94dab830 (4 x Formbook, 4 x SnakeKeylogger, 3 x AgentTesla)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
380
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
PO#801624.zip
Verdict:
Malicious activity
Analysis date:
2024-09-23 13:24:13 UTC
Tags:
netreactor formbook xloader
Link:
https://app.any.run/tasks/a7591656-28f1-4c11-ad10-cd74f80d4b84

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.3060.18620.19491.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66f1ca6e8aca58c2b2c6f5ba
Tags:
Execution Network Stealth Msil Phishing Monitor Msil
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
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed phishing
Link:
https://www.filescan.io/uploads/66f2cbc303f56f79e91ea569/reports/85ecdb78-33af-4e14-8d8b-e2ffcd23c2b3/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/fd7a998d2f4db27ec6b0ec32459571e124128cf57ed9b8236374dc68519c8fa8
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/81d7814b-7d84-4c2c-8451-7676b86a0172
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1516885
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Loading BitLocker PowerShell Module
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1516885 Sample: PO#801624.exe Startdate: 24/09/2024 Architecture: WINDOWS Score: 100 38 www.consuyt.xyz 2->38 40 www.ridges-freezers-56090.bond 2->40 42 2 other IPs or domains 2->42 46 Suricata IDS alerts for network traffic 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 54 12 other signatures 2->54 11 PO#801624.exe 4 2->11         started        signatures3 52 Performs DNS queries to domains with low reputation 38->52 process4 file5 36 C:\Users\user\AppData\...\PO#801624.exe.log, ASCII 11->36 dropped 56 Adds a directory exclusion to Windows Defender 11->56 58 Tries to detect virtualization through RDTSC time measurements 11->58 60 Switches to a custom stack to bypass stack traces 11->60 15 PO#801624.exe 11->15         started        18 powershell.exe 23 11->18         started        20 PO#801624.exe 11->20         started        signatures6 process7 signatures8 70 Modifies the context of a thread in another process (thread injection) 15->70 72 Maps a DLL or memory area into another process 15->72 74 Sample uses process hollowing technique 15->74 78 2 other signatures 15->78 22 explorer.exe 36 1 15->22 injected 76 Loading BitLocker PowerShell Module 18->76 25 conhost.exe 18->25         started        27 WmiPrvSE.exe 18->27         started        process9 dnsIp10 44 www.consuyt.xyz 203.161.41.254, 49715, 80 VNPT-AS-VNVNPTCorpVN Malaysia 22->44 29 colorcpl.exe 22->29         started        process11 signatures12 62 Modifies the context of a thread in another process (thread injection) 29->62 64 Maps a DLL or memory area into another process 29->64 66 Tries to detect virtualization through RDTSC time measurements 29->66 68 Switches to a custom stack to bypass stack traces 29->68 32 cmd.exe 1 29->32         started        process13 process14 34 conhost.exe 32->34         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/fd7a998d2f4db27ec6b0ec32459571e124128cf57ed9b8236374dc68519c8fa8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fd7a998d2f4db27ec6b0ec32459571e124128cf57ed9b8236374dc68519c8fa8/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-09-23 04:16:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7v5jtdjpjwzh5rvq5qzelflr4esbfdhvp3m3qi3dotogqum4r6ua._file
Verdict:
malicious
Label(s):
unknown_loader_037
Create hunting rule
formbook
Create hunting rule
Similar samples:
223786813c2b26e84549506a10b63d6a7c619f99551cf4abaf636d1588f8a001
Formbook
3c321f4c7feb1233711409ad1fc9371732c24a302d3e5b9cd5e238ab1a638288
Formbook
5bc4574dc91259c37e24e9fafd52c4798d2ac0b04bdce4ea1959b1c4a1bb1be1
Formbook
9244e7f4c9184e0087ea02ee9ae60f70fce3dc9e049956e1a30bbff947bbfb35
Formbook
a0ec8ea072fa0a81fb5e660f8aa278d9c06bb361080845911208d6579d15605a
Formbook
b71b353da449108a5ed6aac6e44133552651be0099dbba14884af1406874eaa0
Formbook
+ 3'625 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:c24t discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/240924-rrae2syeln/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
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
Deletes itself
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Verdict:
Malicious
Tags:
formbook
YARA:
n/a
Link:
https://app.threat.zone/submission/32514a3f-4861-491b-82b1-901058d10e87
Unpacked files
SH256 hash:
40babe4601da80b05397c6f203e270862747ea19ac9970dc59b3cf0df1d1fb87
MD5 hash:
a361843a96b935377a3e65f049fc50f3
SHA1 hash:
cf3cbeb8e1f17859cb0c08c655a0b23f89bc0cdd
Detections:
FormBook
Create hunting rule
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_w0
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/99694da3-afac-4b6b-a4dd-692c06176a95/
Parent samples :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 hash:
5f54dacd422f4b063a925b312838642965bab92dd7235b8c9580a60ef46e5d14
MD5 hash:
8ffbd04efdcdafa0b86ef20fb37c29bb
SHA1 hash:
a7018a31bb74977711f2f4b56e29aa335448914f
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/99694da3-afac-4b6b-a4dd-692c06176a95/
Parent samples :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 hash:
00c3b0bb65c3938fb4d0a864d188cc767d6cf5f47610d639602425c4ac55f8c4
MD5 hash:
33fdf662cdf4ee4afb86afdbec21e9e2
SHA1 hash:
a5ba14051258b4c5bce2676acadc16a518575335
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/99694da3-afac-4b6b-a4dd-692c06176a95/
SH256 hash:
dc07d78d11f0c6629ed93bfed7d7907427651316f921286641767a545400cfdd
MD5 hash:
0ab3d1aeb8fdf711c8f923aa5ab37785
SHA1 hash:
5b2f0244b0a3af3e39e02294962c2d4c08318465
Link:
https://www.unpac.me/results/99694da3-afac-4b6b-a4dd-692c06176a95/
SH256 hash:
fd7a998d2f4db27ec6b0ec32459571e124128cf57ed9b8236374dc68519c8fa8
MD5 hash:
c1635c946995f26c2bc72d1447c1cc6d
SHA1 hash:
55463dde7149dbef65f81050bfe7c6339b0017a7
Link:
https://www.unpac.me/results/99694da3-afac-4b6b-a4dd-692c06176a95/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fd7a998d2f4d/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/fd7a998d2f4db27ec6b0ec32459571e124128cf57ed9b8236374dc68519c8fa8

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:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

Executable exe fd7a998d2f4db27ec6b0ec32459571e124128cf57ed9b8236374dc68519c8fa8

(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