MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 db6988403e9bf2b750a78237f65394acafdd31173f013bbb789156d76c4d5eab. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: db6988403e9bf2b750a78237f65394acafdd31173f013bbb789156d76c4d5eab
SHA3-384 hash: 0787ace258ca9ae9fff8262ff822fa0a69e10180ce494f32a9386b437058aaf057db2f0e43366ff7b9d5d781e2fa2434
SHA1 hash: b07ae144754d79fc09b4960a250c811b1c90dd5c
MD5 hash: cd487ac4410fcfff956806ec61a33de3
humanhash: nevada-three-vegan-romeo
File name:70654 SSEBACT.exe
Download: download sample
Signature Formbook
File size:507'392 bytes
First seen:2021-08-30 03:21:16 UTC
Last seen:2021-09-04 14:30:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'448 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:3cnbLCC0s1e1H6aPHWobMxX+bzwvSH1wkM4ThHhWdv4EM/XNdAbqMC8hv:MnbGN59/MIvp1yx4EKXnV7i
TLSH T138B422BEB57A713FC97C25F91816258213B05B0935A2F3DA0CE084D576F2BE43582AD7
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
5
# of downloads :
190
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
70654 SSEBACT.exe
Verdict:
Malicious activity
Analysis date:
2021-08-30 03:22:41 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Launching a process
Creating a file
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Process Start Without DLL
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 473648 Sample: 70654 SSEBACT.exe Startdate: 30/08/2021 Architecture: WINDOWS Score: 100 32 www.whitepetalsboutiques.com 2->32 34 www.mack3sleeve.com 2->34 36 2 other IPs or domains 2->36 46 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 7 other signatures 2->52 11 70654 SSEBACT.exe 3 2->11         started        signatures3 process4 file5 30 C:\Users\user\...\70654 SSEBACT.exe.log, ASCII 11->30 dropped 64 Writes to foreign memory regions 11->64 66 Injects a PE file into a foreign processes 11->66 15 RegSvcs.exe 11->15         started        signatures6 process7 signatures8 68 Modifies the context of a thread in another process (thread injection) 15->68 70 Maps a DLL or memory area into another process 15->70 72 Sample uses process hollowing technique 15->72 74 2 other signatures 15->74 18 explorer.exe 15->18 injected process9 dnsIp10 38 www.lookgoodman.com 85.233.160.215, 49745, 49746, 80 ISIONUKNamescoLimitedGB United Kingdom 18->38 40 fwd3.hosts.co.uk 85.233.160.22, 49752, 80 ISIONUKNamescoLimitedGB United Kingdom 18->40 42 15 other IPs or domains 18->42 54 System process connects to network (likely due to code injection or exploit) 18->54 22 wscript.exe 12 18->22         started        signatures11 process12 dnsIp13 44 www.lookgoodman.com 22->44 56 System process connects to network (likely due to code injection or exploit) 22->56 58 Modifies the context of a thread in another process (thread injection) 22->58 60 Maps a DLL or memory area into another process 22->60 62 Tries to detect virtualization through RDTSC time measurements 22->62 26 cmd.exe 1 22->26         started        signatures14 process15 process16 28 conhost.exe 26->28         started       
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2021-08-30 02:32:41 UTC
AV detection:
15 of 46 (32.61%)
Threat level:
  2/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:n58i loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Blocklisted process makes network request
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.mack3sleeve.com/n58i/
Unpacked files
SH256 hash:
8cff129ca2360c5eff1f061536fe264c44a88b66519fd7f3353f6fcfd2bc111a
MD5 hash:
f914c8bfed6d43272fb24a861f2ca041
SHA1 hash:
5bf498268bc92b4cd8463fed104bda65297dc794
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
c0ee1071e444f415f8b62856a0896f3b22e563f1bb4f03d14142583efe49a565
MD5 hash:
29db2e114b88ae1f6a00c9aa71690043
SHA1 hash:
ec82db71443556a5b320357b0b8b09e70ec1db9c
SH256 hash:
9ea7f7c658a19a73d93117c5d9901bed373e9b4aa5fd2e9fa6358f6425128bac
MD5 hash:
9e576d64a1b67b8755b94714d3a57b82
SHA1 hash:
b2aa1dbb9012a9ccc260dbae319e0ae6972e9479
SH256 hash:
db6988403e9bf2b750a78237f65394acafdd31173f013bbb789156d76c4d5eab
MD5 hash:
cd487ac4410fcfff956806ec61a33de3
SHA1 hash:
b07ae144754d79fc09b4960a250c811b1c90dd5c
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
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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 db6988403e9bf2b750a78237f65394acafdd31173f013bbb789156d76c4d5eab

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

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