MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0b504e6f2a283de75673bbe913c5032b02cc6a92888f4dfab895f79104b11103. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments

SHA256 hash: 0b504e6f2a283de75673bbe913c5032b02cc6a92888f4dfab895f79104b11103
SHA3-384 hash: 251e90ae397d0974fbe432f9751b11a87f47fa3ad32b53c76bb9a9f3d7ed0c6cf75b12ad919fa8fa1518cd20390550af
SHA1 hash: f4a72da6391fcc9c623ae26de27fc80f10cf9f2b
MD5 hash: 633bb3ab12d6fd7b6956aa3a93f55e9c
humanhash: ohio-michigan-massachusetts-vermont
File name:primosdv3.1.1.0.exe
Download: download sample
Signature Formbook
File size:577'991 bytes
First seen:2022-10-03 13:49:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (389 x DCRat, 52 x RedLineStealer, 51 x Formbook)
ssdeep 12288:zToPWBv/cpGrU3yJYqi+4mMz4pbIQ4+N54CHLottc:zTbBv5rUGdf4m/pMQ4m5nrJ
TLSH T101C4DF037ACF81B1D2B1283A793592135939BE100FA089CBA7A4579DF9706D3D635FB2
TrID 89.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.5% (.EXE) Win64 Executable (generic) (10523/12/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 60e8a8aca6c4d871 (1 x Formbook, 1 x AgentTesla)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
271
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Launching cmd.exe command interpreter
Sending a custom TCP request
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm greyware overlay packed setupapi.dll shdocvw.dll shell32.dll
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found hidden mapped module (file has been removed from disk)
Machine Learning detection for dropped file
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
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 715075 Sample: primosdv3.1.1.0.exe Startdate: 03/10/2022 Architecture: WINDOWS Score: 100 46 Snort IDS alert for network traffic 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for dropped file 2->50 52 4 other signatures 2->52 10 primosdv3.1.1.0.exe 10 2->10         started        process3 file4 30 C:\Users\user\AppData\Local\...\bstkiooen.exe, PE32 10->30 dropped 13 bstkiooen.exe 1 10->13         started        process5 file6 32 C:\Users\user\AppData\Local\Temp\F61A.tmp, PE32 13->32 dropped 62 Multi AV Scanner detection for dropped file 13->62 64 Machine Learning detection for dropped file 13->64 66 Found hidden mapped module (file has been removed from disk) 13->66 68 Tries to detect virtualization through RDTSC time measurements 13->68 17 bstkiooen.exe 13->17         started        signatures7 process8 signatures9 38 Modifies the context of a thread in another process (thread injection) 17->38 40 Maps a DLL or memory area into another process 17->40 42 Sample uses process hollowing technique 17->42 44 Queues an APC in another process (thread injection) 17->44 20 svchost.exe 17->20         started        23 explorer.exe 17->23 injected process10 dnsIp11 54 Modifies the context of a thread in another process (thread injection) 20->54 56 Maps a DLL or memory area into another process 20->56 58 Tries to detect virtualization through RDTSC time measurements 20->58 26 cmd.exe 1 20->26         started        34 www.sandstormcase.us 103.224.212.221, 49708, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 23->34 36 www.nordenergogrup.store 5.101.152.161, 49707, 80 BEGET-ASRU Russian Federation 23->36 60 System process connects to network (likely due to code injection or exploit) 23->60 signatures12 process13 process14 28 conhost.exe 26->28         started       
Threat name:
Win32.Trojan.Tnega
Status:
Malicious
First seen:
2022-10-03 13:48:23 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:sk29 rat spyware stealer trojan
Behaviour
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
1d39efad8321fe29d1aea9f37bf318e735130456214cfc0b6e3a69bd13eb9244
MD5 hash:
e298da29d8df3c19d4722b2b23ef9360
SHA1 hash:
b9e2bc6b7af204ef9627c3c67fdb87cf92d4ffb2
Detections:
win_formbook_auto win_formbook_g0
SH256 hash:
783b4c48626e78db79b253720cbc3bf42554228868ecc81c3bdea98a516b2aa2
MD5 hash:
8aba2e7e9867b4331865506fd8cbf679
SHA1 hash:
c7655708fbf4395d6fdaa83ad900cf55dfe11052
SH256 hash:
0b504e6f2a283de75673bbe913c5032b02cc6a92888f4dfab895f79104b11103
MD5 hash:
633bb3ab12d6fd7b6956aa3a93f55e9c
SHA1 hash:
f4a72da6391fcc9c623ae26de27fc80f10cf9f2b
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:meth_get_eip
Author:Willi Ballenthin
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:RansomwareTest8
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:sfx_pdb
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.

File information


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

  
Delivery method
Other

Comments