MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e8daa9482a4d8379e8a1d3dea17ccb16746dc786522acfe79da2b833c525a9b6. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e8daa9482a4d8379e8a1d3dea17ccb16746dc786522acfe79da2b833c525a9b6
SHA3-384 hash: 654bde44e66cd3835ccec3ce865b112a5d2917b2a38840b60e79f3fd34882a67c22932d563bdf6a980d30d7684894748
SHA1 hash: e8aa60ba1257726d74bc0f7664a3e854ce971c26
MD5 hash: 63d2a92b555fca71818d466c3f901b1c
humanhash: foxtrot-fillet-arizona-football
File name:63d2a92b555fca71818d466c3f901b1c
Download: download sample
Signature Formbook
Create hunting rule
File size:686'080 bytes
First seen:2023-09-19 08:29:06 UTC
Last seen:2023-09-19 10:32:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:ZIswfJw1UDXxpkUK74GC3O+H15a6yPhH82g4vdhDz4Gf3Ol9:gBwQdK1i1iPRvnDzV
Threatray 3'262 similar samples on MalwareBazaar
TLSH T18AE4012233DE662FE1BA03F815B540117776B52A36A1C7DD5C8020DE59B2B829F83F97
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.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 0c525252c9c4e42b (3 x AgentTesla, 2 x Formbook)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
281
Origin country :
FR FR
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/449611/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.22113.21560.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Restart of the analyzed sample
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65095c0b1edabd99829cc5c3/reports/79fe1c71-dfef-470e-bcfc-cf920fe38de4/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/e8daa9482a4d8379e8a1d3dea17ccb16746dc786522acfe79da2b833c525a9b6
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f400487c-b40e-4dd6-91ef-d0fbe8b6427c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1310636
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 FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1310636 Sample: U8WCyVn8Mu.exe Startdate: 19/09/2023 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 7 other signatures 2->43 10 U8WCyVn8Mu.exe 3 2->10         started        process3 signatures4 51 Tries to detect virtualization through RDTSC time measurements 10->51 53 Injects a PE file into a foreign processes 10->53 13 U8WCyVn8Mu.exe 10->13         started        process5 signatures6 55 Modifies the context of a thread in another process (thread injection) 13->55 57 Maps a DLL or memory area into another process 13->57 59 Sample uses process hollowing technique 13->59 61 Queues an APC in another process (thread injection) 13->61 16 explorer.exe 6 6 13->16 injected process7 dnsIp8 29 toolifyonline.com 210.114.6.176, 49769, 80 KIXS-AS-KRKoreaTelecomKR Korea Republic of 16->29 31 www.ssongg273.cfd 38.238.169.164, 49770, 80 COGENT-174US United States 16->31 33 14 other IPs or domains 16->33 35 System process connects to network (likely due to code injection or exploit) 16->35 20 msdt.exe 16->20         started        23 autochk.exe 16->23         started        signatures9 process10 signatures11 45 Modifies the context of a thread in another process (thread injection) 20->45 47 Maps a DLL or memory area into another process 20->47 49 Tries to detect virtualization through RDTSC time measurements 20->49 25 cmd.exe 1 20->25         started        process12 process13 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e8daa9482a4d8379e8a1d3dea17ccb16746dc786522acfe79da2b833c525a9b6/
Threat name:
Win32.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2023-09-19 04:02:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
31
AV detection:
17 of 35 (48.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5dnkssbkjwbxt2fb2ppkc7glcz2g3r4gkivm7z45uk4dhrjfvg3a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2a43da13d635789edfb0cd6928427911e3295c06e921cebdaa3319c7c1f65b77
Formbook
2ea94454b1acb888df318792b9a81e621b95e54619d3306a4a11e26148fb3fe3
Formbook
75d581c7e8d6e54c491ca50b66a5945b2bcb9a75030b52faccb5ef133fe4ffe6
Formbook
7806b747871480b540e81ab255b9f18a97d7fd8ee150b2c85484acf08174b5ca
Formbook
8c2f373ff5cc5a441bb057f2f168b5bf502b9c98d3ad1640be39dc617c6d7b03
Formbook
bee949c5192f46467c2fb76490dd2407f4206639c2e5e824c74e879c02fcc342
Formbook
c81c9ba400d187e3f9ddbc3c9b31a5ac9ae2d102969a30d0896b19efd1981ceb
Formbook
+ 3'252 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ro12 rat spyware stealer trojan
Link:
https://tria.ge/reports/230919-kd5wgafg71/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
c84df850ad2ded3c7faf4ae873d699b9a7b4db7d22675df274aafd9b4c02ffc7
MD5 hash:
c0f91ed211168b26c8e239a91f2f7f5c
SHA1 hash:
139ddf41a6fc27e9fb5f7595da7de3235369762b
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/ae671928-2dee-4463-a0a5-68b857ae18f5/
Parent samples :
75d581c7e8d6e54c491ca50b66a5945b2bcb9a75030b52faccb5ef133fe4ffe6
e8daa9482a4d8379e8a1d3dea17ccb16746dc786522acfe79da2b833c525a9b6
6b73ab2cf730e26c8609e57d23e09260d6c74db84f29ae6f786129f7a3b6512b
4aab06d62b7be6864a2844428af16f335fee3713ef63ebf637540275f40ffd3e
b06fa82f10d2120f00f919b03f578f97a3daa9f670a2bbd01749e3b573fb0315
SH256 hash:
776c62842473a027e9ed1ff46c2e9faecf82ec7e82fe935782b238be467f2882
MD5 hash:
e4f67192ab5a2ef30ee1622834eda6d5
SHA1 hash:
b56a8827a059207bf0262f21320bd50b783d12f4
Link:
https://www.unpac.me/results/ae671928-2dee-4463-a0a5-68b857ae18f5/
SH256 hash:
4a8d70ece798fb6955e46bdb4b4813924a3bbcf205e585fd0aef148123a44489
MD5 hash:
3bcd5e9d69da03ebe27b9c2e472d9e8d
SHA1 hash:
aa268bd00ed60a5907b4b2a669ddd21a1b8bb4da
Link:
https://www.unpac.me/results/ae671928-2dee-4463-a0a5-68b857ae18f5/
SH256 hash:
0630b864e828fff2d66f33ab7d00fad231df4c00fc0bbad313ee0d12ca503198
MD5 hash:
f559a9abbd849eb977d262d597d6e4fd
SHA1 hash:
0a8769b40b026852690c89b913c2812817ef43c8
Link:
https://www.unpac.me/results/ae671928-2dee-4463-a0a5-68b857ae18f5/
SH256 hash:
e8daa9482a4d8379e8a1d3dea17ccb16746dc786522acfe79da2b833c525a9b6
MD5 hash:
63d2a92b555fca71818d466c3f901b1c
SHA1 hash:
e8aa60ba1257726d74bc0f7664a3e854ce971c26
Link:
https://www.unpac.me/results/ae671928-2dee-4463-a0a5-68b857ae18f5/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e8daa9482a4d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/e8daa9482a4d8379e8a1d3dea17ccb16746dc786522acfe79da2b833c525a9b6

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: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 e8daa9482a4d8379e8a1d3dea17ccb16746dc786522acfe79da2b833c525a9b6

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/449611/
  
URLhaus
https://urlhaus.abuse.ch/url/2712476/

Comments


Avatar
zbet commented on 2023-09-19 08:29:07 UTC

url : hxxp://103.182.16.23/s179m/smss.exe