MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 54d08c079e162698607d24a232cc8b51ea0cecf8df1d6fefa27726041e2cd366. 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 3 File information Comments 1

SHA256 hash: 54d08c079e162698607d24a232cc8b51ea0cecf8df1d6fefa27726041e2cd366
SHA3-384 hash: 2dacb135a3f181b94fe70988265604cebd2ff4364a16af8fbb651841c2f36bd1aebe8036a60bbbae850a923742532476
SHA1 hash: 33ff0da34d35ef8051d5c88641502ee7bf2f0333
MD5 hash: 5a8637cc62a5884edc586b690d0bac10
humanhash: echo-salami-pizza-kentucky
File name:5a8637cc62a5884edc586b690d0bac10
Download: download sample
Signature Formbook
File size:612'864 bytes
First seen:2023-08-08 07:14:16 UTC
Last seen:2023-08-09 19:40:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:BsniF9L2hCugpGy1Md/VmA01Z0/ROPRfxzIZp+kD/etaJedzY+GG:BsniKhjo1K/V01ZKRWPEX+K/jJed0+r
Threatray 3'762 similar samples on MalwareBazaar
TLSH T18DD4122225BC4F52E1B617FA64B720A40FF3A1822C27E65D0DE57CCE9CA3F128452E47
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% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 4d9635555553964d (4 x Formbook, 3 x AgentTesla, 3 x SnakeKeylogger)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
275
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5a8637cc62a5884edc586b690d0bac10
Verdict:
Malicious activity
Analysis date:
2023-08-08 07:22:43 UTC
Tags:
n/a

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

Behaviour
Creating a window
Sending a custom TCP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Gathering data
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
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1287586 Sample: z16BdmYGIj.exe Startdate: 08/08/2023 Architecture: WINDOWS Score: 100 64 Snort IDS alert for network traffic 2->64 66 Found malware configuration 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 7 other signatures 2->70 10 z16BdmYGIj.exe 7 2->10         started        14 NRGdELGVSZiWc.exe 5 2->14         started        process3 file4 46 C:\Users\user\AppData\...46RGdELGVSZiWc.exe, PE32 10->46 dropped 48 C:\Users\user\AppData\Local\...\tmpB778.tmp, XML 10->48 dropped 78 Uses schtasks.exe or at.exe to add and modify task schedules 10->78 80 Adds a directory exclusion to Windows Defender 10->80 82 Tries to detect virtualization through RDTSC time measurements 10->82 16 z16BdmYGIj.exe 10->16         started        19 powershell.exe 21 10->19         started        21 schtasks.exe 1 10->21         started        84 Multi AV Scanner detection for dropped file 14->84 86 Machine Learning detection for dropped file 14->86 23 NRGdELGVSZiWc.exe 14->23         started        25 schtasks.exe 1 14->25         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 16->56 58 Maps a DLL or memory area into another process 16->58 60 Sample uses process hollowing technique 16->60 62 Queues an APC in another process (thread injection) 16->62 27 explorer.exe 2 1 16->27 injected 31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        35 conhost.exe 25->35         started        process8 dnsIp9 50 biscotrucking.com 198.54.116.239, 49693, 80 NAMECHEAP-NETUS United States 27->50 52 www.wgimawmo.click 43.154.67.170, 49695, 80 LILLY-ASUS Japan 27->52 54 10 other IPs or domains 27->54 88 System process connects to network (likely due to code injection or exploit) 27->88 37 chkdsk.exe 27->37         started        40 wscript.exe 27->40         started        signatures10 process11 signatures12 72 Modifies the context of a thread in another process (thread injection) 37->72 74 Maps a DLL or memory area into another process 37->74 76 Tries to detect virtualization through RDTSC time measurements 37->76 42 cmd.exe 37->42         started        process13 process14 44 conhost.exe 42->44         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-08-08 07:15:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:oi24 rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
b016b0edb24a2397f451381ad793e0bfd49920f90ab045052406eddb18e2261d
MD5 hash:
0919ed7728763a05a6f14cc7227189aa
SHA1 hash:
f73a3d16c0cc89344052feb96511aff1a9f69f84
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
584689fa408ef3e482cdf3290979c0e957bc73419508b4cb66255fffadeeefd3
MD5 hash:
2de392d4de7bc4878b6249c5ddb7a236
SHA1 hash:
e2bcb522ba4d3944828cc891ac94bbad6411ddcf
SH256 hash:
504410fd6158a7346f5a2e7b7714203b329d46dab5d129719410d5c325122804
MD5 hash:
74ed681a2d7aed1dae5627d4367474f8
SHA1 hash:
cad2df636d3f0710f69fdb18cbae03a332341dd3
SH256 hash:
0a6bd230f852b0ea44610bf025b8a6388b50281a53c605782f02db246ab8423b
MD5 hash:
9f1bce530f26ae3644830b6ee8a58c07
SHA1 hash:
acafe183f3b5af3e5eba3c1160fae890e2b2a979
SH256 hash:
54d08c079e162698607d24a232cc8b51ea0cecf8df1d6fefa27726041e2cd366
MD5 hash:
5a8637cc62a5884edc586b690d0bac10
SHA1 hash:
33ff0da34d35ef8051d5c88641502ee7bf2f0333
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:NET
Author:malware-lu
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.

Web download

Formbook

Executable exe 54d08c079e162698607d24a232cc8b51ea0cecf8df1d6fefa27726041e2cd366

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-08-08 07:14:16 UTC

url : hxxp://179.43.175.187/smlx/TEST.exe