MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c85a06161a28fcfcc80891d618c37d37b72e970be0be060fec72925424412044. 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 2 File information Comments

SHA256 hash: c85a06161a28fcfcc80891d618c37d37b72e970be0be060fec72925424412044
SHA3-384 hash: c1482d8783037809e5fb12dffcc8c0b57b4fde10446580ff91db3748abc1e0a22ec291216c7516971e528c525a1dfd7b
SHA1 hash: 3865a090d536a52b9e2625ca4eee5e3b346b74f0
MD5 hash: 10a84bec0fb372b198ef40ca39f55bd8
humanhash: pizza-black-gee-happy
File name:Specification 5678.exe
Download: download sample
Signature Formbook
File size:802'304 bytes
First seen:2022-11-03 12:58:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:jb7Vnri6k1mS35TcRi1fHlFKIBVKlAhQhngAKEogIYWkejwFGf:jRri6koS35rHbzMnngAKEogIreG
TLSH T13E05CF1F0BE9061AC5A972B855E4E7B7E3D9AC01E817C25726C5BE8FB483734D720398
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter malwarelabnet
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
286
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Specification 5678.exe
Verdict:
Malicious activity
Analysis date:
2022-11-03 12:59:52 UTC
Tags:
formbook trojan stealer

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
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 737320 Sample: Specification 5678.exe Startdate: 03/11/2022 Architecture: WINDOWS Score: 100 49 www.wohuaiyiwocunzai.xyz 2->49 51 huimian.github.io 2->51 57 Snort IDS alert for network traffic 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Antivirus detection for URL or domain 2->61 63 11 other signatures 2->63 9 Specification 5678.exe 7 2->9         started        13 pPXFqtKQrbbp.exe 5 2->13         started        signatures3 process4 file5 41 C:\Users\user\AppData\...\pPXFqtKQrbbp.exe, PE32 9->41 dropped 43 C:\Users\...\pPXFqtKQrbbp.exe:Zone.Identifier, ASCII 9->43 dropped 45 C:\Users\user\AppData\Local\Temp\tmp52D.tmp, XML 9->45 dropped 47 C:\Users\user\...\Specification 5678.exe.log, ASCII 9->47 dropped 73 Writes to foreign memory regions 9->73 75 Allocates memory in foreign processes 9->75 77 Adds a directory exclusion to Windows Defender 9->77 15 RegSvcs.exe 9->15         started        18 powershell.exe 19 9->18         started        20 schtasks.exe 1 9->20         started        79 Multi AV Scanner detection for dropped file 13->79 81 Machine Learning detection for dropped file 13->81 83 Injects a PE file into a foreign processes 13->83 22 RegSvcs.exe 13->22         started        24 schtasks.exe 1 13->24         started        signatures6 process7 signatures8 87 Modifies the context of a thread in another process (thread injection) 15->87 89 Maps a DLL or memory area into another process 15->89 91 Sample uses process hollowing technique 15->91 93 Queues an APC in another process (thread injection) 15->93 26 explorer.exe 15->26 injected 30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 24->34         started        process9 dnsIp10 53 www.kocabaymasa.com 38.238.130.218, 49702, 49703, 49704 COGENT-174US United States 26->53 55 www.ab3699.net 188.114.97.3, 49701, 80 CLOUDFLARENETUS European Union 26->55 85 System process connects to network (likely due to code injection or exploit) 26->85 36 msiexec.exe 13 26->36         started        39 msiexec.exe 26->39         started        signatures11 process12 signatures13 65 Tries to steal Mail credentials (via file / registry access) 36->65 67 Tries to harvest and steal browser information (history, passwords, etc) 36->67 69 Modifies the context of a thread in another process (thread injection) 36->69 71 Maps a DLL or memory area into another process 36->71
Threat name:
ByteCode-MSIL.Spyware.SnakeLogger
Status:
Malicious
First seen:
2022-11-03 02:00:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
21 of 26 (80.77%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:nhg6 rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Enumerates system info in registry
Modifies Internet Explorer settings
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
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
0fe9987f49193699ae7f0f0d3f3cbbbf3d6f49ef9974f9996eabb65b96b79fad
MD5 hash:
86a1f76afd106fb440250d7db6e36127
SHA1 hash:
78d7cf2ac79de13df0284b1fdda8723399363c46
Detections:
XLoader win_formbook_auto win_formbook_g0
SH256 hash:
43d845107cb087ae980d87f2d03b60bd18cf92395ea0b10894680817144a0240
MD5 hash:
ee9ef71b76eb8c2d1099ad65b0527e7f
SHA1 hash:
59bb60e81e1f15aacf2c8daceafcfa18a8f371c2
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
SH256 hash:
c05149afac965dd5db3a3e6aec3c003877c0bb504e215e155b1b6e123addbd73
MD5 hash:
ec399f1e6b2d96bb6481bd322fbd1d8a
SHA1 hash:
4658697f1fc81b7f3dcfa5561c3bb92ec0f779e9
SH256 hash:
8354a7ad0499febdd288542828ad0355dcb7054c0c518266208e571c5122b0c6
MD5 hash:
6bfc7ce9ec7891d9d8494454332099b5
SHA1 hash:
34fc8cebba035e2cc6d27d636f9655949080bf8e
SH256 hash:
e71d207cb17dd6f747471e0ffaeb6569de06d8eef10f4d4f91fcaf4b3fd1e94d
MD5 hash:
8a1f69570434c6fc84f52c17bb1be374
SHA1 hash:
33cceaf891cb43306b645e9ea86dcac566ace424
SH256 hash:
c85a06161a28fcfcc80891d618c37d37b72e970be0be060fec72925424412044
MD5 hash:
10a84bec0fb372b198ef40ca39f55bd8
SHA1 hash:
3865a090d536a52b9e2625ca4eee5e3b346b74f0
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: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.

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