MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3d5aa5168803be81252e6f8c0d7100bbb9dd53558077557b5fb3fad255b402f4. 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: 11


Intelligence 11 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3d5aa5168803be81252e6f8c0d7100bbb9dd53558077557b5fb3fad255b402f4
SHA3-384 hash: 0817d61fe2ea2284517608a8c8f57f71d442fab05e033f290a4a5646dc01e93d897d595cea5fdf903364f35d24a2a833
SHA1 hash: ad19082cdd9d4e00e1183999792d152993fe1b66
MD5 hash: 95af2443955ff7cdafd0c66ba4f9ac8f
humanhash: hydrogen-dakota-robin-stairway
File name:KI985JJ3dtaZtda.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'031'168 bytes
First seen:2021-03-22 07:46:49 UTC
Last seen:2021-03-22 09:35:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:B4qaHOLnUfmOX9Qd96B22y4G0g9iLK96Gfj+wn7CzrCtSTJvDXdoHuR:B4HOLn36M2U6G6wn7CzJJvDt
Threatray 3'902 similar samples on MalwareBazaar
TLSH 2025390523D96B88E27A9775A474001587F9BD0DEB32EFADAD9470DA0A71B01CB37336
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
149
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
KI985JJ3dtaZtda.exe
Verdict:
Malicious activity
Analysis date:
2021-03-22 07:48:58 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e5ba2e46-8a45-4b0b-b6a8-5d2fd3f3cc17

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.594.19638.22131.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Gathering data
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/647454
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)
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
Sigma detected: Scheduled temp file as task from temp location
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
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 372692 Sample: KI985JJ3dtaZtda.exe Startdate: 22/03/2021 Architecture: WINDOWS Score: 100 41 www.sd-juan.net 2->41 57 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->57 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 8 other signatures 2->63 11 KI985JJ3dtaZtda.exe 7 2->11         started        signatures3 process4 file5 35 C:\Users\user\AppData\Local\...\tmpD272.tmp, XML 11->35 dropped 37 C:\Users\user\...\KI985JJ3dtaZtda.exe.log, ASCII 11->37 dropped 39 C:\Users\user\AppData\...\CniamuazaYLg.exe, PE32 11->39 dropped 67 Uses schtasks.exe or at.exe to add and modify task schedules 11->67 69 Writes to foreign memory regions 11->69 71 Tries to detect virtualization through RDTSC time measurements 11->71 73 Injects a PE file into a foreign processes 11->73 15 BackgroundTransferHost.exe 13 11->15         started        17 KI985JJ3dtaZtda.exe 11->17         started        20 schtasks.exe 1 11->20         started        signatures6 process7 signatures8 22 explorer.exe 15->22 injected 49 Modifies the context of a thread in another process (thread injection) 17->49 51 Maps a DLL or memory area into another process 17->51 53 Sample uses process hollowing technique 17->53 55 Queues an APC in another process (thread injection) 17->55 26 conhost.exe 20->26         started        process9 dnsIp10 43 creationwearable.com 184.168.131.241, 49738, 80 AS-26496-GO-DADDY-COM-LLCUS United States 22->43 45 www.virtualportion.com 22->45 47 2 other IPs or domains 22->47 65 System process connects to network (likely due to code injection or exploit) 22->65 28 control.exe 22->28         started        signatures11 process12 signatures13 75 Modifies the context of a thread in another process (thread injection) 28->75 77 Maps a DLL or memory area into another process 28->77 79 Tries to detect virtualization through RDTSC time measurements 28->79 31 cmd.exe 1 28->31         started        process14 process15 33 conhost.exe 31->33         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3d5aa5168803be81252e6f8c0d7100bbb9dd53558077557b5fb3fad255b402f4/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-03-22 06:37:16 UTC
AV detection:
4 of 47 (8.51%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hvnkkfuiao7icjjon6ga24iaxo452u2vqb3vk627wp5nevnual2a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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06fa1b160e322bd7710c9110b1e4e873795b5c2680b8bbe70bbaf23484533459
Formbook
0953e54968ca9407a172c0a35a00d8b30ec603770809bbd2901a070e1b83b7f8
Formbook
11f06223417d6045acaa15cf7f5515d9afdfc23590c9cd021c2ae90a736bb6cd
Formbook
411e56b415d4c23a741958c3f1ada72b3e958c078d27c339678bb690b7a895c3
Formbook
6c131f342e8226706ba1b39cc955852b022130c14ea12bd3b3cf340bbea25bf6
Formbook
7c201535a28746b62adfa831cfccac096903f5b17ee83b8364fc890fa70a59fd
Formbook
9a55287be3d6c8a74a0aa6ee3a5ea4e288ba968e44c271c9ea5d2293c8300d07
Formbook
aa9692c1769e25297176b847f4274570c56c4d74f4577608bd036e72d82d5bdb
Formbook
adcc2671f1168261ceace2da6f28a79e0b3bc2f774fac1d79f4628f494951d24
Formbook
f39b9e8c4a9aa6d8cd9f069e8a8ee81a3f666e07071f2b4673aa42633026736c
Formbook
+ 3'892 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210322-ss68kx1qhs/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.chicagosecuritygates.com/usbi/
Unpacked files
SH256 hash:
c22b9993fd6abea236edcc1bf476bcd4a09015b4af09eedf660a43bf3d29a16f
MD5 hash:
1d1234ba19c430923b22f531bb19b369
SHA1 hash:
9868c1e97a3be16100a61b5ee1f7d2838b4782a8
Link:
https://www.unpac.me/results/ffb21c21-e691-4fc9-a3d6-8b397a9f3699/
SH256 hash:
3d5aa5168803be81252e6f8c0d7100bbb9dd53558077557b5fb3fad255b402f4
MD5 hash:
95af2443955ff7cdafd0c66ba4f9ac8f
SHA1 hash:
ad19082cdd9d4e00e1183999792d152993fe1b66
Link:
https://www.unpac.me/results/ffb21c21-e691-4fc9-a3d6-8b397a9f3699/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.85
Link:
https://yomi.yoroi.company/submissions/3d5aa5168803be81252e6f8c0d7100bbb9dd53558077557b5fb3fad255b402f4

File information

The table below shows additional information about this malware sample such as delivery method and external references.

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