MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af435f231acfc4b86e5e3df506a0c7cdbbaebf7dd582fd73eb6635b2ee77b6ad. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: af435f231acfc4b86e5e3df506a0c7cdbbaebf7dd582fd73eb6635b2ee77b6ad
SHA3-384 hash: 213851dab23d3d0ef716215c13e887fc95fe3eb053adabeaa840b60e3edfe67f4f552c77b91612b9c2f53f1fd0cf6d4b
SHA1 hash: 4d3f32bfd269dbd1a9923b25f985d1b7a6953612
MD5 hash: 31b79f14ce44401f2695767aa7a4df06
humanhash: echo-glucose-autumn-mexico
File name:31b79f14ce44401f2695767aa7a4df06
Download: download sample
Signature Formbook
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File size:677'888 bytes
First seen:2022-11-17 15:18:43 UTC
Last seen:2022-11-17 15:24:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:a4w90lZzSoa5bGd/nQRskjRauOz1P741aFHa/U/5s5BxcjZnbCkI:5w9ySwNnQNvYFj/59jZnbCkI
TLSH T121E438E96893796EE5B9B35D55F1A840CAB388724EC0AE2441783DC55D339D3B022EFC
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13097/50/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
201
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
650.xls
Verdict:
Malicious activity
Analysis date:
2022-11-17 14:52:10 UTC
Tags:
macros trojan opendir exploit cve-2017-11882 loader formbook stealer
Link:
https://app.any.run/tasks/d34a09f8-fd9e-4e82-a118-82369525c9e6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/335399/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.16547.29414.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
hacktool packed
Link:
https://www.filescan.io/uploads/637650e9f75d59fef0b9aec3/reports/59f8b059-d270-4744-84e5-4586b1a13a2f/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/c72cda50-4772-4eb8-9031-3245cc3a9cf0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1115940
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 748671 Sample: cll25T2mKV.exe Startdate: 17/11/2022 Architecture: WINDOWS Score: 100 29 www.searchbot.su 2->29 37 Snort IDS alert for network traffic 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 7 other signatures 2->43 9 cll25T2mKV.exe 4 2->9         started        signatures3 process4 file5 27 C:\Users\user\AppData\...\cll25T2mKV.exe.log, ASCII 9->27 dropped 57 Adds a directory exclusion to Windows Defender 9->57 13 cll25T2mKV.exe 9->13         started        16 powershell.exe 21 9->16         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 13->59 61 Maps a DLL or memory area into another process 13->61 63 Sample uses process hollowing technique 13->63 65 Queues an APC in another process (thread injection) 13->65 18 explorer.exe 13->18 injected 22 conhost.exe 16->22         started        process9 dnsIp10 31 www.schhhlt.xyz 154.39.249.14, 49712, 80 COGENT-174US United States 18->31 33 www.sabzi.lol 66.96.162.133, 49713, 49714, 49715 BIZLAND-SDUS United States 18->33 35 www.crypto-rantie.online 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 47 Performs DNS queries to domains with low reputation 18->47 24 svchost.exe 13 18->24         started        signatures11 process12 signatures13 49 Tries to steal Mail credentials (via file / registry access) 24->49 51 Tries to harvest and steal browser information (history, passwords, etc) 24->51 53 Modifies the context of a thread in another process (thread injection) 24->53 55 Maps a DLL or memory area into another process 24->55
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/af435f231acfc4b86e5e3df506a0c7cdbbaebf7dd582fd73eb6635b2ee77b6ad/
Threat name:
Win32.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2022-11-17 14:30:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=v5bv6iy2z7clq3s6hx2qnighzw525p352wbp247lmy23f3txw2wq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:ncpr rat spyware stealer trojan
Link:
https://tria.ge/reports/221117-sp6k5sag31/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/745cc811-334b-46d1-828c-dfff2c115c41
Unpacked files
SH256 hash:
f04272183df6435b60bd02aa3a3a9feedd59d7ab03ac7f6bda79da751e4046e8
MD5 hash:
a330b4151644703b4707be9ad0d968eb
SHA1 hash:
45eeffaab156bc07494ef9ce7769eff0b44c82b3
Detections:
XLoader
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win_formbook_auto
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win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/4580077e-ac3e-404a-9349-652edb2b5501/
Parent samples :
cc268916fb77287ae7258a4301c427751c9a0277786d101aa74a761419564f28
a9ed1381e07210fbb362eecb1ccd3bb75464bd7f63374c88521d8395fd660ed8
af435f231acfc4b86e5e3df506a0c7cdbbaebf7dd582fd73eb6635b2ee77b6ad
SH256 hash:
d41f1c9f1c2837e3228bdf121b57af54ae32ed119326a2608e5fadc1d02a50d7
MD5 hash:
758caab1b67a86ea99de4191461b497e
SHA1 hash:
8f63a6f94c1d0dba30694fb4a873e8960abb165b
Link:
https://www.unpac.me/results/4580077e-ac3e-404a-9349-652edb2b5501/
SH256 hash:
9a1abd5c1b503bc0e9e23108ef2c362538a803d49971decb9e25f88b114e04f5
MD5 hash:
4ff957964e3ab60671d6da15b79010b1
SHA1 hash:
de76668ce43d0776207ad05d638c8bc1e7c5ef0c
Link:
https://www.unpac.me/results/4580077e-ac3e-404a-9349-652edb2b5501/
SH256 hash:
8e81ee6854d62314a1d5e0709ba69fd44d281bb2a5115c6cbc3595945924957d
MD5 hash:
0eb845d8bf6b24aa83e2196ae19eb01a
SHA1 hash:
91749fc828891af5aae3330de4460caf5b4ba12e
Link:
https://www.unpac.me/results/4580077e-ac3e-404a-9349-652edb2b5501/
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
Link:
https://www.unpac.me/results/4580077e-ac3e-404a-9349-652edb2b5501/
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
Link:
https://www.unpac.me/results/4580077e-ac3e-404a-9349-652edb2b5501/
SH256 hash:
af435f231acfc4b86e5e3df506a0c7cdbbaebf7dd582fd73eb6635b2ee77b6ad
MD5 hash:
31b79f14ce44401f2695767aa7a4df06
SHA1 hash:
4d3f32bfd269dbd1a9923b25f985d1b7a6953612
Link:
https://www.unpac.me/results/4580077e-ac3e-404a-9349-652edb2b5501/
Please note that we are no longer able to provide a coverage score for Virus Total.

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 af435f231acfc4b86e5e3df506a0c7cdbbaebf7dd582fd73eb6635b2ee77b6ad

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2422661/
Cape
Cape
https://www.capesandbox.com/analysis/335399/

Comments


Avatar
zbet commented on 2022-11-17 15:18:46 UTC

url : hxxp://107.172.44.180/650/vbc.exe