MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c86c4b2413ae0161438065f00f28eae576d2fdfb2a27d06752316f1d1860edb1. 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 2 File information Comments
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SHA256 hash: c86c4b2413ae0161438065f00f28eae576d2fdfb2a27d06752316f1d1860edb1
SHA3-384 hash: 78edbd8e311abdf6b58a6f501ff68618dc9c32f9a803608d6eee67945bba8803eec2ff5576f244da25047400629ce0ba
SHA1 hash: db3e7be3fc8dfdcff0147f944f519c99c69584eb
MD5 hash: 7d71400ae523be4c870fca01cad243ae
humanhash: black-low-blue-double
File name:Arrival Notice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:453'632 bytes
First seen:2022-06-13 06:23:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:lac6BafvIbRW06cviiD/EB7LlBgbgTKoOmRwFOp0/:lactfn09aiwVeoI/
TLSH T1BAA4122E67768377C96E07BC6523708807FE8B1E6467EE6D1F0D70ED0681BC52182A63
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 0022a3a2b8a6e610 (16 x Formbook, 7 x AgentTesla, 6 x Loki)
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
213
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Arrival Notice.exe
Verdict:
Malicious activity
Analysis date:
2022-06-14 01:05:51 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/000d3b0a-602e-4ca7-8d07-aa84634806f5

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/279178/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62a6d7ce8763ffd4adbd9138/reports/31f680ef-c9b6-49a9-8ff0-b912d2720086/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/acf9b254-215c-4c8e-b8c4-da3560175fbb
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1011740
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Executable has a suspicious name (potential lure to open the executable)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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 dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 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: 644236 Sample: Arrival Notice.exe Startdate: 13/06/2022 Architecture: WINDOWS Score: 100 46 Malicious sample detected (through community Yara rule) 2->46 48 Multi AV Scanner detection for dropped file 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 11 other signatures 2->52 10 Arrival Notice.exe 7 2->10         started        process3 file4 36 C:\Users\user\AppData\...\YyKWDHkSnIFE.exe, PE32 10->36 dropped 38 C:\Users\user\AppData\Local\...\tmpDFE8.tmp, XML 10->38 dropped 40 C:\Users\user\...\Arrival Notice.exe.log, ASCII 10->40 dropped 56 Adds a directory exclusion to Windows Defender 10->56 58 Injects a PE file into a foreign processes 10->58 14 Arrival Notice.exe 10->14         started        17 powershell.exe 23 10->17         started        19 schtasks.exe 1 10->19         started        signatures5 process6 signatures7 66 Modifies the context of a thread in another process (thread injection) 14->66 68 Maps a DLL or memory area into another process 14->68 70 Sample uses process hollowing technique 14->70 72 Queues an APC in another process (thread injection) 14->72 21 explorer.exe 14->21 injected 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        process8 dnsIp9 42 www.one1-day.com 61.97.246.56, 80 EHOSTIDC-AS-KREHOSTICTKR Korea Republic of 21->42 44 www.koalaglen.com 21->44 54 System process connects to network (likely due to code injection or exploit) 21->54 29 systray.exe 21->29         started        signatures10 process11 signatures12 60 Modifies the context of a thread in another process (thread injection) 29->60 62 Maps a DLL or memory area into another process 29->62 64 Tries to detect virtualization through RDTSC time measurements 29->64 32 cmd.exe 1 29->32         started        process13 process14 34 conhost.exe 32->34         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c86c4b2413ae0161438065f00f28eae576d2fdfb2a27d06752316f1d1860edb1/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-13 01:33:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zbwewjatvyawcq4amxya6khk4v3nf7p3fit5az2sgfxr2gda5wyq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader campaign:pdrq evasion loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220613-g5gfeaeber/
Behaviour
Creates scheduled task(s)
Modifies Internet Explorer settings
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
System policy modification
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Deletes itself
Reads user/profile data of web browsers
Adds policy Run key to start application
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
04702b5d5177d598e8d4cc28aa70637ceef30da492e67438cbc33f5f3c2c25d8
MD5 hash:
28b80a562b4428d046b7f79180e5dd6a
SHA1 hash:
94822c0572a32cebb8b2d89e805bf9416cf3df34
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/6529770c-c071-4db4-b4b0-07df310ad709/
Parent samples :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 hash:
5c29d3a1f5aa19ebea1e1976d4852920274189860b61aad99c4f6b3392ab5528
MD5 hash:
5c4022e8fe6b768024d8a116636ec6c4
SHA1 hash:
8e127159fcefe81df66b9baba7fadad3df35e835
Link:
https://www.unpac.me/results/6529770c-c071-4db4-b4b0-07df310ad709/
SH256 hash:
733587e5d8ed2c44dff86131b3348bfdf0bb7f06d81283b362417d2be52c6b34
MD5 hash:
39481aadadd6cffa4d9e342587703469
SHA1 hash:
4d45dbf155276866ec195e4b284e9321a2ec46f9
Link:
https://www.unpac.me/results/6529770c-c071-4db4-b4b0-07df310ad709/
SH256 hash:
dec15271d422cf3b82c0a94cf147312bb5a4a4f262da4b698ffe7e6bdaf18053
MD5 hash:
79c5c39e29ebe233cd13a50987e64609
SHA1 hash:
0560314716e6519158009159c017d2b52116608e
Link:
https://www.unpac.me/results/6529770c-c071-4db4-b4b0-07df310ad709/
SH256 hash:
c86c4b2413ae0161438065f00f28eae576d2fdfb2a27d06752316f1d1860edb1
MD5 hash:
7d71400ae523be4c870fca01cad243ae
SHA1 hash:
db3e7be3fc8dfdcff0147f944f519c99c69584eb
Link:
https://www.unpac.me/results/6529770c-c071-4db4-b4b0-07df310ad709/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c86c4b2413ae/report/overview.html
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/c86c4b2413ae0161438065f00f28eae576d2fdfb2a27d06752316f1d1860edb1

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.

Malspam

Formbook

r00 cd326a152143c9908589386888b653fdf0667b08ab9328eaeb95673c2dc93615

Formbook

Executable exe c86c4b2413ae0161438065f00f28eae576d2fdfb2a27d06752316f1d1860edb1

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 cd326a152143c9908589386888b653fdf0667b08ab9328eaeb95673c2dc93615
Cape
Cape
https://www.capesandbox.com/analysis/279178/
  
Dropped by
MD5 3698eda476691fc25ca783e4d02a2da8

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