MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e23f9ca1ce688d9883147d54508d94d1833616df218f6b1ee1e5ba9ff324abf0. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e23f9ca1ce688d9883147d54508d94d1833616df218f6b1ee1e5ba9ff324abf0
SHA3-384 hash: ea44b33cdadd8ff3e6e0fc7bb138be8d4a2ed64069386771104ed2f0a13df8eb5ea220cf1200573936f46155ffd9f53d
SHA1 hash: a562cdb6f453d27304730bdf38e0fc4a7556d37e
MD5 hash: 2aec30172c7a98834ac313eeaf133c95
humanhash: georgia-chicken-oregon-pasta
File name:2aec30172c7a98834ac313eeaf133c95
Download: download sample
Signature Formbook
Create hunting rule
File size:659'456 bytes
First seen:2022-04-20 09:43:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:L78vq2rM7nZmhT+vfM7cgxNmrNm2zYgPF21W+dnCyAsanxLT+6vNm:L7Ygxf+ikyYgMUyAsan5hg
Threatray 15'147 similar samples on MalwareBazaar
TLSH T11AE4F09C326431EFC867D476DEA86C65FBA1747B430B920390270AADAE5D997CF140F2
TrID 30.2% (.EXE) Win64 Executable (generic) (10523/12/4)
18.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
14.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.9% (.EXE) Win32 Executable (generic) (4505/5/1)
5.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
215
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/264943/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Launching a process
Creating a process with a hidden window
Searching for the window
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe obfuscated packed update.exe
Link:
https://www.filescan.io/uploads/625fd5e4482f2f41cad84eb5/reports/dbdd9ee5-d2ef-43ef-a450-30d09bca6be8/overview
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bab5390b-cc98-43ec-b416-f47b1f4dfe38
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/979451
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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
PE file contains section with special chars
PE file has nameless sections
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 611939 Sample: H82892TxYD Startdate: 20/04/2022 Architecture: WINDOWS Score: 100 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 10 other signatures 2->45 9 H82892TxYD.exe 7 2->9         started        process3 file4 31 C:\Users\user\AppData\...\wACLwExQcvVA.exe, PE32 9->31 dropped 33 C:\Users\...\wACLwExQcvVA.exe:Zone.Identifier, ASCII 9->33 dropped 35 C:\Users\user\AppData\Local\...\tmpA15A.tmp, XML 9->35 dropped 37 C:\Users\user\AppData\...\H82892TxYD.exe.log, ASCII 9->37 dropped 47 Uses schtasks.exe or at.exe to add and modify task schedules 9->47 49 Adds a directory exclusion to Windows Defender 9->49 51 Tries to detect virtualization through RDTSC time measurements 9->51 53 2 other signatures 9->53 13 H82892TxYD.exe 9->13         started        16 powershell.exe 25 9->16         started        18 schtasks.exe 1 9->18         started        signatures5 process6 signatures7 61 Modifies the context of a thread in another process (thread injection) 13->61 63 Maps a DLL or memory area into another process 13->63 65 Sample uses process hollowing technique 13->65 67 Queues an APC in another process (thread injection) 13->67 20 explorer.exe 13->20 injected 22 conhost.exe 16->22         started        24 conhost.exe 18->24         started        process8 process9 26 control.exe 20->26         started        signatures10 55 Modifies the context of a thread in another process (thread injection) 26->55 57 Maps a DLL or memory area into another process 26->57 59 Tries to detect virtualization through RDTSC time measurements 26->59 29 explorer.exe 1 142 26->29         started        process11
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e23f9ca1ce688d9883147d54508d94d1833616df218f6b1ee1e5ba9ff324abf0/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-20 09:44:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1e5c0d7950b6161f50a7a58d2874df7548e95a5ce4ed81f9c4c6485c064731e9
Formbook
28bae65cec413f6c0dcb0df2b34f0a9cb4a53ea246de0fff2baee4a98d8551d2
Formbook
42b67d0d13679c62c0a0abcf20254af39fa4b4f7965216a12446d6743eaedf40
Formbook
95c6926c4af01e7a782b16967a66b3c349f24a6ab2393b1a20c47e28a1ad7249
Formbook
c08029bf515af0b640fb4fcdd2d0805cd88f953cbff0315f325a4869d662678f
Formbook
c8c237f5b4d985add596774c36156c4fa9ee54d44ec544528c64b1c10bd163ea
Formbook
e07c12a4c17554763b40b0ca410493875bbdd907bc8ba261a732d935e015f852
Formbook
+ 15'137 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:n6g4 loader rat
Link:
https://tria.ge/reports/220420-lqf9baffb2/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Xloader Payload
Xloader
Unpacked files
SH256 hash:
6c6d878bcbc248c9727a366fcddbd5363c6c41eb20895f7d3364870c45c02c4a
MD5 hash:
b9974d948eb710d58f28ae5839b55c35
SHA1 hash:
9be61932db44df9af09313f916e71713cd1cb13e
Link:
https://www.unpac.me/results/3b874e90-28f2-4161-8dde-2fadb7811587/
SH256 hash:
e649e0d6c577aac4d57e7093d75b1dafcbf641f62110d177a9286749846ddc43
MD5 hash:
ecb7908b31c84e773559219d97756922
SHA1 hash:
ec70bff9e7e0f25b35e99a197a493b41b7553022
Link:
https://www.unpac.me/results/3b874e90-28f2-4161-8dde-2fadb7811587/
SH256 hash:
65bfaaa6079857c50d61a4786abdf541ee5d9909bcd941b95a72da81a289501d
MD5 hash:
cf809bdde14b08fa723b422feb6cf676
SHA1 hash:
ee63fa599b0eff2fd02c74c347dfb2a656599b47
Link:
https://www.unpac.me/results/3b874e90-28f2-4161-8dde-2fadb7811587/
SH256 hash:
2dde4b043ba690c6a7e1aab0518df6f229f2441b3ca2cfd2c662b5523e5782b0
MD5 hash:
31cdf11ba11ff508633f5f5440ad4a45
SHA1 hash:
1f1195b82cead3e8659438fcb781886db958fa9d
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/3b874e90-28f2-4161-8dde-2fadb7811587/
Parent samples :
1f74a34a965bb67c02e8f7a733d7d5f98b1b88e11a7816c29934a6a073e662f2
3fbed13bf271b55a9eca7fe2e7ec051fb9e4b02ace3dce84468b1acb57962fb4
69cdb8718955325126a19a236de13ef83b27941b518dd43987d8fbed3ffe9d30
e23f9ca1ce688d9883147d54508d94d1833616df218f6b1ee1e5ba9ff324abf0
232413f73e7b46e00ccf36baf862343989068f3d7271a8c6e037d43b6a497d64
2e84d64eef0d8e78d17e8d286eeff95f97abe0048a66175e5e05d1fc31b0c5d4
61545f6e85bfb0ebb6c65a52d511bc09f9eb8f17f41f303fc4028bfbc6a333dd
edadbe7cf0557fdede01500da1d161ceeac3fadd16760f325da7938d25cf2b6e
bcd57fcb786185b2c8c6acf1f9d0182d06caae28fc6930ced2fcd5a9c81a96fa
f10110817fa77d6bea276c3d4ee43729d9889e760fa6ce503664613a1d5526da
ef5e4f410d3cdeae6dce996c13c836cac3118327d53f364a547eaa12d4f2c2e7
SH256 hash:
e23f9ca1ce688d9883147d54508d94d1833616df218f6b1ee1e5ba9ff324abf0
MD5 hash:
2aec30172c7a98834ac313eeaf133c95
SHA1 hash:
a562cdb6f453d27304730bdf38e0fc4a7556d37e
Link:
https://www.unpac.me/results/3b874e90-28f2-4161-8dde-2fadb7811587/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/e23f9ca1ce688d9883147d54508d94d1833616df218f6b1ee1e5ba9ff324abf0

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 e23f9ca1ce688d9883147d54508d94d1833616df218f6b1ee1e5ba9ff324abf0

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2155960/
Cape
Cape
https://www.capesandbox.com/analysis/264943/

Comments


Avatar
zbet commented on 2022-04-20 09:43:40 UTC

url : hxxp://192.227.228.42/234/vbc.exe