MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 61dbeb0e19a0d2d2cb57d370bfc4d56e5aac60f82943dc908458e828c9e4b208. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments
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SHA256 hash: 61dbeb0e19a0d2d2cb57d370bfc4d56e5aac60f82943dc908458e828c9e4b208
SHA3-384 hash: 38cc4a61e450c7243a9d3561d2c0cfbf7296b35c390be7b023817e4429385ece678a8cc41cea8f58c989defa352ff6c0
SHA1 hash: af87d6c36f17dd8bad65971fee347cd582c537ff
MD5 hash: 4a34644c1fb39d6da830561201415bf8
humanhash: undress-zulu-fix-minnesota
File name:4500216289.exe
Download: download sample
Signature Formbook
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File size:595'456 bytes
First seen:2023-09-11 13:17:01 UTC
Last seen:2023-09-11 13:38:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:ER0FOmPF71glChj0coVTTxp/vVFg7wPuepEDAAzW/Awf:BOSF7ulClaTxpF4QXp4AG
Threatray 131 similar samples on MalwareBazaar
TLSH T15DC4128437EC6B36D4FE4FF528A2148067B47A8A79B2EB6D1F8652CA1973F44170170B
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 70686830e0c4c4c4 (4 x AgentTesla, 2 x Formbook, 1 x NanoCore)
Reporter malwarelabnet
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
276
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
4500216289.exe
Verdict:
Malicious activity
Analysis date:
2023-09-06 08:24:16 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/978abf04-91be-4d64-8466-f94330487f37

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/447946/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/64ff135086964ed9c619ebe9/reports/3ae11077-ddd1-475b-b62f-7680ac9c384e/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/61dbeb0e19a0d2d2cb57d370bfc4d56e5aac60f82943dc908458e828c9e4b208
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ab3f41fc-6557-4338-9bea-bbed9c3c61ac
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1307314
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1307314 Sample: 4500216289.exe Startdate: 11/09/2023 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic 2->35 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 8 other signatures 2->41 10 4500216289.exe 3 2->10         started        process3 signatures4 49 Tries to detect virtualization through RDTSC time measurements 10->49 51 Injects a PE file into a foreign processes 10->51 13 4500216289.exe 10->13         started        process5 signatures6 53 Modifies the context of a thread in another process (thread injection) 13->53 55 Maps a DLL or memory area into another process 13->55 57 Sample uses process hollowing technique 13->57 59 Queues an APC in another process (thread injection) 13->59 16 explorer.exe 4 6 13->16 injected process7 dnsIp8 27 www.whiskeykitty.com 16->27 29 www.stormbayou.com 16->29 31 5 other IPs or domains 16->31 33 System process connects to network (likely due to code injection or exploit) 16->33 20 wlanext.exe 16->20         started        signatures9 process10 signatures11 43 Modifies the context of a thread in another process (thread injection) 20->43 45 Maps a DLL or memory area into another process 20->45 47 Tries to detect virtualization through RDTSC time measurements 20->47 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/61dbeb0e19a0d2d2cb57d370bfc4d56e5aac60f82943dc908458e828c9e4b208/
Threat name:
Win32.Trojan.Leonem
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Status:
Malicious
First seen:
2023-09-06 05:58:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mhn6wdqzudjnfs2x2nyl7rgvnznkyyhyffb5zeeelducrspewiea._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
23c96a140db8d8bf5c14a2bf811ab8e22f93bf283179ebefeee31907b5067618
Formbook
3c7e3789b58b388a933c51740bcdc44c6a46bdaca5969e46b6b183294f470bd3
Formbook
6c2878ebe0b46fa1c53e17178c365200c86d74530cd80a278d8be8eee02a136d
Formbook
6e712a8a989b15c1469d1aab013e1374c2aefe81c06ba82d81deb00ea597f5fc
Formbook
737ed71a18c5ed82843236483504cac2ef798ec9651cc6687b5bcaf6022e070e
Formbook
88fadeb423bb62b7b435752119aac90877bb3486f3fa493e6b4cb1cb4c989bce
Formbook
9784d4f3af63382e92105496844b25bc4e42e92305b7707c3fd6451c98c391f6
Formbook
995d5013bce09437806040d688105e78d8420ddc8dc93b993199c04589c8806c
Formbook
c12c8b215ea70724d05e814efd6d317d96477e8c2cb36d48be2f9b8de14b2b60
Formbook
d82f08e067b6680bac42531431b0fcfd5af63c079b095349080e3d4ef84186fa
Formbook
+ 121 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:kp16 rat spyware stealer trojan
Link:
https://tria.ge/reports/230911-qjc1jaga5s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
b0f628c63fe5793783414dcc5983b7e182ebc801cd2fd256c52bc2c443f5fbb4
MD5 hash:
dac078bd0644cd2a9ec1753f29d632b2
SHA1 hash:
5d70406737173a7845e4c54ad8d33cb7261ef6a5
Detections:
FormBook
Create hunting rule
win_formbook_w0
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win_formbook_auto
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win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/ab143708-8c7f-493c-a861-5ec612352f18/
Parent samples :
c12c8b215ea70724d05e814efd6d317d96477e8c2cb36d48be2f9b8de14b2b60
6c2878ebe0b46fa1c53e17178c365200c86d74530cd80a278d8be8eee02a136d
61dbeb0e19a0d2d2cb57d370bfc4d56e5aac60f82943dc908458e828c9e4b208
SH256 hash:
af71c51997615d95df0015d4815df2c1a393eb3a342706e2501e66044ad79c50
MD5 hash:
10c2132341bb70a5ee683b32175b6c38
SHA1 hash:
c0335c1c5b02c66d8cfff987994208f000e72663
Link:
https://www.unpac.me/results/ab143708-8c7f-493c-a861-5ec612352f18/
SH256 hash:
9faca4d3ba1b45d346f1ba9d6fcd194f709521d7b5b38fc3e88dcd68b6e4f54d
MD5 hash:
ab4364498aecee08e5957d3cab75fd58
SHA1 hash:
95cd465f44b44edae5b0e2d17c1ef8698dd5c77f
Link:
https://www.unpac.me/results/ab143708-8c7f-493c-a861-5ec612352f18/
SH256 hash:
40ad624a15ab4df7f1c9da929481c00ef2e360da095c2c864813561ec5c1f775
MD5 hash:
91f84ee356d15e5b9acc0cc12cb04c40
SHA1 hash:
52b84340a3a0ca9bb028617181b92348dc69e213
Link:
https://www.unpac.me/results/ab143708-8c7f-493c-a861-5ec612352f18/
SH256 hash:
61dbeb0e19a0d2d2cb57d370bfc4d56e5aac60f82943dc908458e828c9e4b208
MD5 hash:
4a34644c1fb39d6da830561201415bf8
SHA1 hash:
af87d6c36f17dd8bad65971fee347cd582c537ff
Link:
https://www.unpac.me/results/ab143708-8c7f-493c-a861-5ec612352f18/
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/61dbeb0e19a0d2d2cb57d370bfc4d56e5aac60f82943dc908458e828c9e4b208

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
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Author:malware-lu
Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/447946/

Comments