MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 08617ac03620863f2105bbb16f26c851a360b2c277c77b80bba81356ad5b9900. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: 08617ac03620863f2105bbb16f26c851a360b2c277c77b80bba81356ad5b9900
SHA3-384 hash: 2b183aa15c92b98c4eaf1fb1b87305fce0aeb018e933b33cfa1876d8740975e85cc4e355d3d49364627446aae8270e90
SHA1 hash: 598eafa6344fd82cc08639be6aee6d994ac17874
MD5 hash: d3080230a8fc031889ac6d348f253939
humanhash: london-zebra-wisconsin-echo
File name:DOC2045.exe
Download: download sample
Signature Formbook
File size:875'335 bytes
First seen:2023-10-03 13:50:22 UTC
Last seen:2023-10-03 14:38:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 671f2a1f8aee14d336bab98fea93d734 (182 x GuLoader, 4 x Formbook, 4 x RemcosRAT)
ssdeep 24576:INPx3TplFLuxjuUTvP8z6uc1L9J8xVCT5ATqY2BXY6+g7:mBTTFatbP8z6VL9J8xVCT5AT2Y6N
Threatray 896 similar samples on MalwareBazaar
TLSH T1D615239166A0D4B7CB7B117455D7621EDAF4EE20A6AB830F4B113C4CFE76BC283256C8
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)
Reporter malwarelabnet
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
291
Origin country :
CA CA
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file
Creating a file in the %temp% subdirectories
Gathering data
Verdict:
Suspicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin overlay packed remcos shell32 threat virus
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:
GuLoader, FormBook
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
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)
Multi AV Scanner detection for domain / URL
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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect Any.run
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)
Writes to foreign memory regions
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1318752 Sample: DOC2045.exe Startdate: 03/10/2023 Architecture: WINDOWS Score: 100 34 www.dd55hh.xyz 2->34 36 www.yokaiph.store 2->36 38 19 other IPs or domains 2->38 52 Snort IDS alert for network traffic 2->52 54 Multi AV Scanner detection for domain / URL 2->54 56 Malicious sample detected (through community Yara rule) 2->56 60 5 other signatures 2->60 10 DOC2045.exe 34 2->10         started        signatures3 58 Performs DNS queries to domains with low reputation 34->58 process4 file5 32 C:\Users\user\AppData\Local\...\System.dll, PE32 10->32 dropped 72 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->72 74 Tries to detect Any.run 10->74 14 DOC2045.exe 6 10->14         started        signatures6 process7 dnsIp8 46 googlehosted.l.googleusercontent.com 142.250.176.1, 443, 49793 GOOGLEUS United States 14->46 48 drive.google.com 142.250.68.14, 443, 49792 GOOGLEUS United States 14->48 76 Modifies the context of a thread in another process (thread injection) 14->76 78 Tries to detect Any.run 14->78 80 Maps a DLL or memory area into another process 14->80 82 Queues an APC in another process (thread injection) 14->82 18 RAVCpl64.exe 14->18 injected signatures9 process10 signatures11 50 Sample uses process hollowing technique 18->50 21 systray.exe 13 18->21         started        process12 signatures13 62 Tries to steal Mail credentials (via file / registry access) 21->62 64 Tries to harvest and steal browser information (history, passwords, etc) 21->64 66 Writes to foreign memory regions 21->66 68 3 other signatures 21->68 24 explorer.exe 3 1 21->24 injected 28 cYLPnxSuUXnvUla.exe 21->28 injected 30 firefox.exe 21->30         started        process14 dnsIp15 40 www.yokaiph.store 185.27.134.59, 49817, 49818, 49819 WILDCARD-ASWildcardUKLimitedGB United Kingdom 24->40 42 cvanalysiswithai.com 67.20.76.62, 49809, 49810, 49811 UNIFIEDLAYER-AS-1US United States 24->42 44 8 other IPs or domains 24->44 70 System process connects to network (likely due to code injection or exploit) 24->70 signatures16
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2023-10-02 17:05:52 UTC
File Type:
PE (Exe)
Extracted files:
13
AV detection:
11 of 22 (50.00%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Checks QEMU agent file
Checks computer location settings
Loads dropped DLL
Unpacked files
SH256 hash:
7fb0f8d452fefaac789986b933df050f3d3e4feb8a8d9944ada995f572dcdca1
MD5 hash:
dd87a973e01c5d9f8e0fcc81a0af7c7a
SHA1 hash:
c9206ced48d1e5bc648b1d0f54cccc18bf643a14
SH256 hash:
08617ac03620863f2105bbb16f26c851a360b2c277c77b80bba81356ad5b9900
MD5 hash:
d3080230a8fc031889ac6d348f253939
SHA1 hash:
598eafa6344fd82cc08639be6aee6d994ac17874
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:Ins_NSIS_Buer_Nov_2020_1
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:shellcode
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.

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