MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 06c8aa9110e9c50c51464d31ef28f3cab2efdb1ca756455f99f49daada571dba. 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 1 File information Comments
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SHA256 hash: 06c8aa9110e9c50c51464d31ef28f3cab2efdb1ca756455f99f49daada571dba
SHA3-384 hash: 0aaee93cb40cb3f170350813091964c23f20bbcdd78d71dab419dae91094cb66c919541cd2e36f5441a036ba6235067d
SHA1 hash: 087a7b5db73d6030a25318a5c1ab901dfb0cbbdd
MD5 hash: 5b7f594a4b8bfc07eb5221d602590452
humanhash: sierra-muppet-kilo-kentucky
File name:rock9976.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:262'399 bytes
First seen:2023-07-25 10:48:51 UTC
Last seen:2023-07-25 11:41:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:vYa6ip1WAK/RTQ56Hj5o8Xp24/jzf8G8z2DcJ7serItT:vYcfWn/FMc9152QKSZEItT
Threatray 3'235 similar samples on MalwareBazaar
TLSH T1464412213FB8D46FE4560E71AD3BA3A9FE63A51110B45B8B175437CA7D38392C91E321
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
266
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
rock9976.exe
Verdict:
Malicious activity
Analysis date:
2023-07-25 10:49:25 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/7b978b26-1ddd-4e47-862e-f2908b7bb787

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/432145/
Detection(s):
SecuriteInfo.com.Trojan.Generic.34037460.22948.26066.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a file
Unauthorized injection to a recently created process
Restart of the analyzed sample
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/06c8aa9110e9c50c51464d31ef28f3cab2efdb1ca756455f99f49daada571dba
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/077f315a-b4ba-4bec-b53f-1bab2798544d
Result
Threat name:
FormBook, NSISDropper
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1279057
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found 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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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 virtualization through RDTSC time measurements
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1279057 Sample: rock9976.exe Startdate: 25/07/2023 Architecture: WINDOWS Score: 100 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 7 other signatures 2->49 10 rock9976.exe 18 2->10         started        process3 file4 29 C:\Users\user\AppData\Local\...\bqohq.dll, PE32 10->29 dropped 59 Detected unpacking (changes PE section rights) 10->59 61 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 10->61 63 Maps a DLL or memory area into another process 10->63 65 Tries to detect virtualization through RDTSC time measurements 10->65 14 rock9976.exe 10->14         started        signatures5 process6 signatures7 67 Modifies the context of a thread in another process (thread injection) 14->67 69 Maps a DLL or memory area into another process 14->69 71 Sample uses process hollowing technique 14->71 73 Queues an APC in another process (thread injection) 14->73 17 explorer.exe 2 1 14->17 injected process8 dnsIp9 31 59e6bpxd.029482.shop 20.205.96.174, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 17->31 33 patriotbeton.com 217.21.72.159, 49714, 80 IPPLANET-ASIL United Kingdom 17->33 35 5 other IPs or domains 17->35 51 System process connects to network (likely due to code injection or exploit) 17->51 21 help.exe 12 17->21         started        signatures10 process11 dnsIp12 37 www.no731.com 21->37 39 59e6bpxd.029482.shop 21->39 41 3 other IPs or domains 21->41 53 Modifies the context of a thread in another process (thread injection) 21->53 55 Maps a DLL or memory area into another process 21->55 57 Tries to detect virtualization through RDTSC time measurements 21->57 25 cmd.exe 1 21->25         started        signatures13 process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/06c8aa9110e9c50c51464d31ef28f3cab2efdb1ca756455f99f49daada571dba/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-07-19 10:27:54 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=a3ekveiq5hcqyukgjuy66khtzkzo7wy4u5lekx4z6so2vwsxdw5a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
4339763c2998a0b0a63f0a1e0034decd766d3fc8d3cf35e946a7b12c9e34ab3e
Formbook
5dbb4e38b75fcd447683c5c89948f3fb41373df5f1c0b15b9a907550e77ef272
Formbook
73ce02f6b7c4c5109af4ad501aa9206bbfa5cf32bb8276ad06887c95279c907d
Formbook
7be1b5e4e93c8fc4f3ea7598ae04c355bd1b9ed369819a327f4a3ca3c2978c09
Formbook
88dab0ee02a70b83cb4c99ffa6e809c2789c9e1d55cdcd92454f73bf9d5effa4
Formbook
bb5df98c2c7bc29973d2f2eeb67ce8b7a2f9da4166fabe5dfd70e5117e404991
Formbook
ead9b9c37d63a3b18959e6f4926d76364408f76ed882fad8e8b34ec496702bda
Formbook
ebc47d50c4ca732ef1da156f4284c35025bcbee243a8c5e022f3d1ffd1b50895
Formbook
+ 3'225 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:t30k rat spyware stealer trojan
Link:
https://tria.ge/reports/230725-mwpy3scg8x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
6420c1b55aa4d6a6d993dad35125300575a780cf652293c5997a62e3d1fbc8dd
MD5 hash:
28d97d1536fa7131758e7a1de0d9f699
SHA1 hash:
ebfa90ac2c88d2c4f05b0d282cb389a67531517e
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/f3865f8c-9f8e-480a-96f1-b4e7a3410e99/
Parent samples :
4339763c2998a0b0a63f0a1e0034decd766d3fc8d3cf35e946a7b12c9e34ab3e
06c8aa9110e9c50c51464d31ef28f3cab2efdb1ca756455f99f49daada571dba
SH256 hash:
08b4e43d55712680b413f1910dfd0635ae67f83ba1b33d13cc5e1d505eab67f5
MD5 hash:
f559cc02f7497f2c20759f83b11e5b7f
SHA1 hash:
796a220d4d22d861fd70e9d10816fd422c5fb057
Link:
https://www.unpac.me/results/f3865f8c-9f8e-480a-96f1-b4e7a3410e99/
SH256 hash:
06c8aa9110e9c50c51464d31ef28f3cab2efdb1ca756455f99f49daada571dba
MD5 hash:
5b7f594a4b8bfc07eb5221d602590452
SHA1 hash:
087a7b5db73d6030a25318a5c1ab901dfb0cbbdd
Link:
https://www.unpac.me/results/f3865f8c-9f8e-480a-96f1-b4e7a3410e99/
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/06c8aa9110e9c50c51464d31ef28f3cab2efdb1ca756455f99f49daada571dba

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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

Malspam

Formbook

Executable exe 06c8aa9110e9c50c51464d31ef28f3cab2efdb1ca756455f99f49daada571dba

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/432145/

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