MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 10a21f1899dd0e83ead2011c4638017bc4723a06be0c2058a9f3214da4974a8d. 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 File information Comments

SHA256 hash: 10a21f1899dd0e83ead2011c4638017bc4723a06be0c2058a9f3214da4974a8d
SHA3-384 hash: 37e8b0a40f06962fb07f102b32db2b1910eee5fbcdfc0f6628d1eed77b099a13bcf4ffb74e192ce04ad0b60e3d9265c1
SHA1 hash: 9cf9f3542e9ab8a105fd4b8d2d7713670b7f9064
MD5 hash: 1eae7762ee0ff5a54935e34885b876fa
humanhash: london-carolina-equal-seven
File name:FedEX.exe
Download: download sample
Signature Formbook
File size:503'024 bytes
First seen:2022-09-21 18:18:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b34f154ec913d2d2c435cbd644e91687 (527 x GuLoader, 110 x RemcosRAT, 80 x EpsilonStealer)
ssdeep 6144:llgvTRHySqn4vrjcvDxpVAAdWql0/4unZweJoEKTqT9:f2fK4vrjcvDOfqu/XHoEKO
Threatray 14'496 similar samples on MalwareBazaar
TLSH T182B4F7B2D21502B6E251A6FCD68C84B45ED3BC16AC4404AFEE84725C1DF17F12ABB8D7
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon e2e179797939b9b1 (2 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2022-06-23T12:14:16Z
Valid to:2025-06-22T12:14:16Z
Serial number: 668a44332ed85f12
Thumbprint Algorithm:SHA256
Thumbprint: 3a4a897299114e0a2255c958ff30eb2917e9e5126dd44aa614a9801b3e1fd1d3
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
352
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
guloader
ID:
1
File name:
FedEX.exe
Verdict:
Malicious activity
Analysis date:
2022-09-21 18:20:10 UTC
Tags:
guloader

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
Searching for the window
Creating a file in the %AppData% subdirectories
Creating a file
Creating a file in the %temp% subdirectories
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed 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, GuLoader
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
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 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: 707353 Sample: FedEX.exe Startdate: 21/09/2022 Architecture: WINDOWS Score: 100 33 www.zyhm56.com 2->33 35 www.zrobialasann.xyz 2->35 37 23 other IPs or domains 2->37 47 Snort IDS alert for network traffic 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 5 other signatures 2->53 10 FedEX.exe 5 32 2->10         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\System.dll, PE32 10->29 dropped 31 C:\Users\user\AppData\Local\...\devAMD64.exe, PE32+ 10->31 dropped 65 Tries to detect Any.run 10->65 14 FedEX.exe 6 10->14         started        signatures6 process7 dnsIp8 45 195.178.120.54, 49775, 80 HEXAGLOBE-ASFR unknown 14->45 67 Modifies the context of a thread in another process (thread injection) 14->67 69 Tries to detect Any.run 14->69 71 Maps a DLL or memory area into another process 14->71 73 2 other signatures 14->73 18 RAVCpl64.exe 14->18 injected signatures9 process10 process11 20 msiexec.exe 13 18->20         started        signatures12 55 Tries to steal Mail credentials (via file / registry access) 20->55 57 Tries to harvest and steal browser information (history, passwords, etc) 20->57 59 Writes to foreign memory regions 20->59 61 3 other signatures 20->61 23 explorer.exe 20->23 injected 27 firefox.exe 20->27         started        process13 dnsIp14 39 freixenet.gift 50.87.174.174, 49894, 49895, 49896 UNIFIEDLAYER-AS-1US United States 23->39 41 www.harkafrida.xyz 109.123.121.243, 49807, 49808, 49809 UK2NET-ASGB United Kingdom 23->41 43 15 other IPs or domains 23->43 63 System process connects to network (likely due to code injection or exploit) 23->63 signatures15
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2022-09-20 08:28:14 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:formbook family:guloader campaign:cour discovery downloader rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks installed software on the system
Checks QEMU agent file
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Formbook
Guloader,Cloudeye
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7
MD5 hash:
75ed96254fbf894e42058062b4b4f0d1
SHA1 hash:
996503f1383b49021eb3427bc28d13b5bbd11977
SH256 hash:
10a21f1899dd0e83ead2011c4638017bc4723a06be0c2058a9f3214da4974a8d
MD5 hash:
1eae7762ee0ff5a54935e34885b876fa
SHA1 hash:
9cf9f3542e9ab8a105fd4b8d2d7713670b7f9064
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

Formbook

Executable exe 10a21f1899dd0e83ead2011c4638017bc4723a06be0c2058a9f3214da4974a8d

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

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