MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 17986f73309258ece680ea20d2008a36b4a79d5759cfb3ba0269f0e697d49085. 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



GuLoader


Vendor detections: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: 17986f73309258ece680ea20d2008a36b4a79d5759cfb3ba0269f0e697d49085
SHA3-384 hash: bf5a24831f1bb00578bb421b834c95ab3007bdadddcd26e2e7f5a7e5ba6a2946ee116e9a60ce6abca8daba9d5b77ef4e
SHA1 hash: db3cf82b092b4ae9d0c837d9b0122e6a85a3b469
MD5 hash: 363b3431208c5a160f703549e397870d
humanhash: maryland-seven-fish-comet
File name:DHL Shipment Receipt.exe
Download: download sample
Signature GuLoader
File size:592'384 bytes
First seen:2022-07-21 09:18:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:YsTkZH6GbP/Gb0XpWYT3oAVaizNl/wd1xx8k31h:Xk0GbHmcpW6paGMnxxF
TLSH T1BEC4027B61E8E725C93853F2107326482BF3B20D7071F25E28AAE9E985E07D592507F7
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook GuLoader

Intelligence


File Origin
# of uploads :
1
# of downloads :
310
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
clipper fareit packed
Result
Verdict:
UNKNOWN
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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)
Uses dynamic DNS services
Yara detected AntiVM3
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 670970 Sample: DHL Shipment Receipt.exe Startdate: 21/07/2022 Architecture: WINDOWS Score: 100 31 www.mookatitus.com 2->31 33 ghs.googlehosted.com 2->33 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus detection for URL or domain 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 8 other signatures 2->43 9 DHL Shipment Receipt.exe 3 2->9         started        signatures3 process4 file5 23 C:\Users\...\DHL Shipment Receipt.exe.log, ASCII 9->23 dropped 49 Injects a PE file into a foreign processes 9->49 13 DHL Shipment Receipt.exe 9->13         started        signatures6 process7 signatures8 51 Modifies the context of a thread in another process (thread injection) 13->51 53 Maps a DLL or memory area into another process 13->53 55 Sample uses process hollowing technique 13->55 57 Queues an APC in another process (thread injection) 13->57 16 explorer.exe 13->16 injected process9 dnsIp10 25 www.nc69.bet 188.114.96.3, 49819, 80 CLOUDFLARENETUS European Union 16->25 27 www.racedog.ru.com 188.114.97.3, 49796, 49820, 80 CLOUDFLARENETUS European Union 16->27 29 4 other IPs or domains 16->29 35 System process connects to network (likely due to code injection or exploit) 16->35 20 systray.exe 16->20         started        signatures11 process12 signatures13 45 Modifies the context of a thread in another process (thread injection) 20->45 47 Maps a DLL or memory area into another process 20->47
Threat name:
ByteCode-MSIL.Trojan.Tnega
Status:
Malicious
First seen:
2022-07-21 01:57:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
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
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
0a23fe761d93207c1cd1507095a81e89dec3ffeb7f4a3878f1c0f4e2406fc3ca
MD5 hash:
8f9fa5e661a647f3cd4281b94fd80cb9
SHA1 hash:
f0aaacb7dbe18a118d3f2544c374136c009e2764
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
SH256 hash:
aa10b897a0af89f9404b5ed9b7a2a38deea16a3ffa1e5a4b3ef3e046607e3e87
MD5 hash:
343e31c72fbabc5eae4ab824197723b4
SHA1 hash:
9d891c7b7f19c9e627b18e14564b5ae7bebb33d5
SH256 hash:
ca4e3745f87ae419e10fa9dd15e9814f66a7dca601ae70bd3ae3b0b0781e9491
MD5 hash:
6491ab64072f34a6124f4cdf1d9bdd43
SHA1 hash:
78008e0c188d1732ebb5bbfe6d15892ebe32b1f7
SH256 hash:
d4cdde107564c77b39f34d7e4102ae0d928becf3b788b3b86810a3e1322d55c2
MD5 hash:
03e75f75a7376cc4155694699eb40469
SHA1 hash:
22724c4f4ed14224704ee1c960c768167686a5be
SH256 hash:
17986f73309258ece680ea20d2008a36b4a79d5759cfb3ba0269f0e697d49085
MD5 hash:
363b3431208c5a160f703549e397870d
SHA1 hash:
db3cf82b092b4ae9d0c837d9b0122e6a85a3b469
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:meth_get_eip
Author:Willi Ballenthin
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.

Malspam

GuLoader

Executable exe 17986f73309258ece680ea20d2008a36b4a79d5759cfb3ba0269f0e697d49085

(this sample)

  
Dropped by
FormBook
  
Delivery method
Distributed via e-mail attachment

Comments