MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c573532411bbcb708cb6f4a0553ae8b84226f9bd0896e27641e2e5962dd84bbf. 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 4 File information Comments
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SHA256 hash: c573532411bbcb708cb6f4a0553ae8b84226f9bd0896e27641e2e5962dd84bbf
SHA3-384 hash: 06496951c26bb455f04628175228cdd8615eeb5c535cd922c1adc1738d7a3cb9fcc1ac248d82e17b82e64367802d7c78
SHA1 hash: c5497b5034b87dd183e3e9c880472da0c205f010
MD5 hash: 50e7951e6bffb3430401a8852c57f854
humanhash: spaghetti-fruit-colorado-speaker
File name:po#8857377.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:919'552 bytes
First seen:2022-09-07 05:50:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:nhOwFdRmvct7YOjTZGNa2j+z/ZGw2Yk4R3WEMaWHevZaINHG47rmOFrfc+G/90P+:nhO8HVjIwxk4BWXaWH0AINmCry/90A
TLSH T1F8150A0B11850CB4D87250BCA4CCC1775BA98E45E67BC959BFCE9CAFF192F2C45E26A0
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
150
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
po#8857377.exe
Verdict:
Malicious activity
Analysis date:
2022-09-07 06:59:07 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/5ab4ffae-ca7f-4f17-bbaa-c889c0c706eb

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/308337/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1364.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/63183185705d49fc19d01861/reports/2866e112-38a0-4137-af8d-2ce711054c0a/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/0f311f7f-5a5e-4806-a7de-f15c24be8b30
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1066117
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
Initial sample is a PE file and has a suspicious name
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
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)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 698643 Sample: po#8857377.exe Startdate: 07/09/2022 Architecture: WINDOWS Score: 100 23 www.hebeideanggd.com 2->23 25 www.airmaxfilters.com 2->25 27 airmaxfilters.com 2->27 35 Snort IDS alert for network traffic 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus detection for URL or domain 2->39 41 8 other signatures 2->41 8 po#8857377.exe 3 2->8         started        signatures3 process4 file5 21 C:\Users\user\AppData\...\po#8857377.exe.log, ASCII 8->21 dropped 43 Injects a PE file into a foreign processes 8->43 12 po#8857377.exe 8->12         started        signatures6 process7 signatures8 45 Modifies the context of a thread in another process (thread injection) 12->45 47 Maps a DLL or memory area into another process 12->47 49 Sample uses process hollowing technique 12->49 51 Queues an APC in another process (thread injection) 12->51 15 cmmon32.exe 12->15         started        18 explorer.exe 12->18 injected process9 dnsIp10 53 Deletes itself after installation 15->53 55 Modifies the context of a thread in another process (thread injection) 15->55 57 Maps a DLL or memory area into another process 15->57 29 www.prasadthinks.com 154.210.138.219, 49799, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 18->29 31 swiftlinkshipping.com 162.144.4.239, 49797, 80 UNIFIEDLAYER-AS-1US United States 18->31 33 3 other IPs or domains 18->33 59 System process connects to network (likely due to code injection or exploit) 18->59 signatures11
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c573532411bbcb708cb6f4a0553ae8b84226f9bd0896e27641e2e5962dd84bbf/
Threat name:
ByteCode-MSIL.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-09-07 04:51:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yvzvgjarxpfxbdfw6sqfkoxixbbcn6n5bcloe5sb4lszmloyjo7q._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/220907-gj57msbbd5/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
e0aec059a6c18c5423ca9956b8cdd811a6d7a50dbd72ec9797ebe7dce2dd72f3
MD5 hash:
528f186d9e0380069c54da4a800d7757
SHA1 hash:
6ce9cc80d6d0b29d212de1d979994ea001f6de8a
Detections:
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/20634995-db37-41aa-a3cb-ac8f829413e8/
Parent samples :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 hash:
8b533ffaed24e0351e489b14aaac6960b731db189ce7ed0c0c02d4a546af8e63
MD5 hash:
dbc7be56e6e32349315170599c8b333f
SHA1 hash:
d8e5840e3574b87d435e55a65ac648e040871aee
Link:
https://www.unpac.me/results/20634995-db37-41aa-a3cb-ac8f829413e8/
SH256 hash:
de06d2c902c202bc580f296c7c29a28de3a062ee5a7519203f2253b2c24d9f82
MD5 hash:
47f2114407ecf04fa8257a9115bb4d59
SHA1 hash:
7600eae4689843684d49e774ae85721529a027dd
Link:
https://www.unpac.me/results/20634995-db37-41aa-a3cb-ac8f829413e8/
SH256 hash:
093eb56394cf2f78c92cb699ae7fbedb44fed2d4f89a9bd38110ca839c722bf6
MD5 hash:
a25fde0637b17293959d50e935f0f916
SHA1 hash:
6ed56b53b6db5176f7eff35af5f4dc1cb828381f
Link:
https://www.unpac.me/results/20634995-db37-41aa-a3cb-ac8f829413e8/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/20634995-db37-41aa-a3cb-ac8f829413e8/
SH256 hash:
c573532411bbcb708cb6f4a0553ae8b84226f9bd0896e27641e2e5962dd84bbf
MD5 hash:
50e7951e6bffb3430401a8852c57f854
SHA1 hash:
c5497b5034b87dd183e3e9c880472da0c205f010
Link:
https://www.unpac.me/results/20634995-db37-41aa-a3cb-ac8f829413e8/
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/c573532411bbcb708cb6f4a0553ae8b84226f9bd0896e27641e2e5962dd84bbf

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
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.

Malspam

Formbook

Executable exe c573532411bbcb708cb6f4a0553ae8b84226f9bd0896e27641e2e5962dd84bbf

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/308337/

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