MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d3a05e3c59773122c743c4ba81f62be36f37b0528911c45b3ba559cf38c210c9. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
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SHA256 hash: d3a05e3c59773122c743c4ba81f62be36f37b0528911c45b3ba559cf38c210c9
SHA3-384 hash: 210a73a747ffcf5858db271ccfb289d322be68501f8e12b6d96cff484fa8336994ae2402eb43438964bc88c95c548976
SHA1 hash: ac257411ef27b892dc20367ec353677e48f137a5
MD5 hash: b9e1ff03806462282df14a04f4da68b0
humanhash: connecticut-finch-rugby-comet
File name:b9e1ff03806462282df14a04f4da68b0.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:940'032 bytes
First seen:2022-03-08 18:57:49 UTC
Last seen:2022-03-08 20:45:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'754 x AgentTesla, 19'661 x Formbook, 12'252 x SnakeKeylogger)
ssdeep 24576:jyAdLYvsrgPz2vdwG0uC/zHsvXhpkrhtJb3grSSf:E0+uS0XhkJ2
Threatray 14'652 similar samples on MalwareBazaar
TLSH T1AE15BE10BAA5303FE16B8D7A4BC4AC2349D7F1660206E2AF6C5EC6494FDA57DCD81C72
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
229
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/248472/
Detection(s):
SecuriteInfo.com.Trojan.Siggen17.21642.19889.15398.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6227a748b94fb38cb4402018/reports/4129f18f-bbd8-40ee-907a-b8dc67970037/overview
Result
Verdict:
UNKNOWN
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9d2b07be-e6d0-4c50-8f9c-dff7c1bc6aee
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/952901
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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)
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
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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: 585380 Sample: IakUHlXZJV.exe Startdate: 08/03/2022 Architecture: WINDOWS Score: 100 29 www.micheo-music.xyz 2->29 31 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->31 33 Found malware configuration 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 9 other signatures 2->37 11 IakUHlXZJV.exe 3 2->11         started        signatures3 process4 file5 27 C:\Users\user\AppData\...\IakUHlXZJV.exe.log, ASCII 11->27 dropped 47 Tries to detect virtualization through RDTSC time measurements 11->47 49 Injects a PE file into a foreign processes 11->49 15 IakUHlXZJV.exe 11->15         started        signatures6 process7 signatures8 51 Modifies the context of a thread in another process (thread injection) 15->51 53 Maps a DLL or memory area into another process 15->53 55 Sample uses process hollowing technique 15->55 57 Queues an APC in another process (thread injection) 15->57 18 explorer.exe 15->18 injected process9 process10 20 help.exe 18->20         started        signatures11 39 Self deletion via cmd delete 20->39 41 Modifies the context of a thread in another process (thread injection) 20->41 43 Maps a DLL or memory area into another process 20->43 45 Tries to detect virtualization through RDTSC time measurements 20->45 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d3a05e3c59773122c743c4ba81f62be36f37b0528911c45b3ba559cf38c210c9/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-08 18:38:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
20 of 27 (74.07%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
00618cf758d2dbbbc3565a8063f22ba6a2b1eaba02e36d62db931bf2e24e14f9
Formbook
070264132f92fc5cb01521385e73bf36954d4093da205c59821e844abed68b5f
Formbook
096bfb362ac98121211651cf9c8343ae3d38636334e626d89e7212660507ec7a
Formbook
31f44a55873cb84506a1213469e0c884eb7f8b4dea91197bedf8a892c1404654
Formbook
510bc545d130a8a3ba0761398b897e7f0840a393d7cd12d98699525e0eb8bfff
Formbook
545d130d10ca2961ab5d1f3072049cea68154c9ed04d6b7fa408f7c81be10c2a
Formbook
9cd0bbacb06bc4a961772ad5dac574736247fa7604116855118ecabb6926643b
Formbook
affafbfcc80753f4169dbadf21e9f1d24802703296267beae9a16a5249b8fd98
Formbook
b55fdab1b973c44e6fb9e7689cd2f41e191a79078fc5c0c0a9d6c8387ea9340d
Formbook
f725b6a2466a6f4c7084eeab5994e30b8ef836633c1a84d85c1899deb1808d3c
Formbook
+ 14'642 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:3j0s loader rat
Link:
https://tria.ge/reports/220308-xmhthsdehm/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
01a8c4287e31e776a29a2a88d299e1ab455bcf873a1d70bced096dababfe052e
MD5 hash:
8cf6118f32d7ebe1e32c464a0f0d9da6
SHA1 hash:
465f9f04cdacc702a1905757d89cd1fdfd29add4
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/f11fa5e7-c928-446b-be69-9e9d22c48786/
Parent samples :
070264132f92fc5cb01521385e73bf36954d4093da205c59821e844abed68b5f
00618cf758d2dbbbc3565a8063f22ba6a2b1eaba02e36d62db931bf2e24e14f9
d3a05e3c59773122c743c4ba81f62be36f37b0528911c45b3ba559cf38c210c9
24cd6b2fd213f2a5de5c2e24d9ae0f485922dce2e0f3dfe8c34e4f11a8e8c06b
SH256 hash:
7f12f0d2b60fa6435bbf0e1c2f9458f99988fd1b7c99f00655569bfc8f1952d8
MD5 hash:
1d32242dc34b6a80e60644c3268095c7
SHA1 hash:
fa47fc21035e70c92597d4fd6be7a4e602cceede
Link:
https://www.unpac.me/results/f11fa5e7-c928-446b-be69-9e9d22c48786/
SH256 hash:
175285bfa8a73b3990f54994b8825c1f3396635bc344939cd8d9fc60b9569b46
MD5 hash:
f26eb90c6addfc99fa0c2e63896216d2
SHA1 hash:
77e01b96d8c211d4d24fc0a1aae91122caf5f668
Link:
https://www.unpac.me/results/f11fa5e7-c928-446b-be69-9e9d22c48786/
SH256 hash:
1951be95b84d9e7d31fa3ff5c94dbcedc4f3bb8d847969fd7a86a5b8b5bf5b2c
MD5 hash:
a91dad945a3015c70e652307ddf71a1b
SHA1 hash:
65a497bd823c85943043c6f5da1fef31eb907adc
Link:
https://www.unpac.me/results/f11fa5e7-c928-446b-be69-9e9d22c48786/
SH256 hash:
d3a05e3c59773122c743c4ba81f62be36f37b0528911c45b3ba559cf38c210c9
MD5 hash:
b9e1ff03806462282df14a04f4da68b0
SHA1 hash:
ac257411ef27b892dc20367ec353677e48f137a5
Link:
https://www.unpac.me/results/f11fa5e7-c928-446b-be69-9e9d22c48786/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/d3a05e3c59773122c743c4ba81f62be36f37b0528911c45b3ba559cf38c210c9

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: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.

Web download

Formbook

Executable exe d3a05e3c59773122c743c4ba81f62be36f37b0528911c45b3ba559cf38c210c9

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2055535/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/248472/

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