MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3aa7626c625be28b83463afd05ea7d530d1f88bda8eec08c457b39ab28d68965. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: 3aa7626c625be28b83463afd05ea7d530d1f88bda8eec08c457b39ab28d68965
SHA3-384 hash: cb3b7fec821e3d4669bb43cc506f2792f88a799258884e028cd142dfc903a7aa1d9791f666a3afcc7f786e5c0b4e27db
SHA1 hash: 5ceb1ef57ae85f72dd1fc3b9d9fcf229476bdd4c
MD5 hash: e3fa1a91627c17a87758cf3387f327cb
humanhash: seventeen-seventeen-crazy-sad
File name:DHL DOCS.exe
Download: download sample
Signature Formbook
File size:470'512 bytes
First seen:2022-10-04 11:17:20 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 6144:tQF4eE2zYVnMp1imTAcGeXx7Nl2cBhPp2UdJMOaG1Ua+:A3EUMsibcxj2cBh4kNaGW
Threatray 53 similar samples on MalwareBazaar
TLSH T1A8A40630A1F16AC9EA96CEB78E60E549FFE78C829941821FD16039F602337C4D5495FE
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 10808a8c8c8a8010 (77 x Formbook, 51 x AgentTesla, 44 x RemcosRAT)
Reporter abuse_ch
Tags:DHL exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
246
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Searching for synchronization primitives
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated overlay 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
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Injects a PE file into a foreign processes
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 domain / URL
Multi AV Scanner detection for submitted 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 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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 715734 Sample: DHL DOCS.exe Startdate: 04/10/2022 Architecture: WINDOWS Score: 100 32 Snort IDS alert for network traffic 2->32 34 Multi AV Scanner detection for domain / URL 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 9 other signatures 2->38 8 DHL DOCS.exe 1 2->8         started        process3 file4 24 C:\Users\user\AppData\...\DHL DOCS.exe.log, CSV 8->24 dropped 50 Writes to foreign memory regions 8->50 52 Allocates memory in foreign processes 8->52 54 Injects a PE file into a foreign processes 8->54 12 RegSvcs.exe 8->12         started        15 RegSvcs.exe 8->15         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 12->56 58 Maps a DLL or memory area into another process 12->58 60 Sample uses process hollowing technique 12->60 62 Queues an APC in another process (thread injection) 12->62 17 explorer.exe 12->17 injected process8 dnsIp9 26 www.hausmann-essen.com 17->26 28 boxgamevn.com 103.200.23.179, 49720, 49721, 49722 VNPT-AS-VNVIETNAMPOSTSANDTELECOMMUNICATIONSGROUPVN Viet Nam 17->28 30 18 other IPs or domains 17->30 40 System process connects to network (likely due to code injection or exploit) 17->40 21 colorcpl.exe 13 17->21         started        signatures10 process11 signatures12 42 Tries to steal Mail credentials (via file / registry access) 21->42 44 Tries to harvest and steal browser information (history, passwords, etc) 21->44 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2022-10-04 01:25:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:fqsu rat spyware stealer trojan
Behaviour
Gathers network information
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
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
fc1e9c9d0524f405aab192c521a553a1483ae0de315d3277a69402fdade05491
MD5 hash:
b2a5b0e0e70eb909712785ad6fd3d296
SHA1 hash:
cd4a580c6152738ecf553db9ec4fdc8673156f80
SH256 hash:
fe67c9a7d119cb71e55cfc3f0b500afce06af0879e56bb5ddc71afa6be833a81
MD5 hash:
d192bba291fdc4f8444e2fd5d5833f3a
SHA1 hash:
c90ebced7b372bb3a2748c7f74b2e4610ef8805b
SH256 hash:
2dff47fdec6d25a0d0b3b11564292ea4c3c938c0adb8ba84ef7646d0d722c76e
MD5 hash:
d6053275dd80bb4d246ca2f801d85f67
SHA1 hash:
3dfbf249c37f7e2ac09b814645ae34123a12f89c
SH256 hash:
3aa7626c625be28b83463afd05ea7d530d1f88bda8eec08c457b39ab28d68965
MD5 hash:
e3fa1a91627c17a87758cf3387f327cb
SHA1 hash:
5ceb1ef57ae85f72dd1fc3b9d9fcf229476bdd4c
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:INDICATOR_EXE_Packed_ConfuserEx
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
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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