MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a0f7e47a92a904690c365a47054a187313a4cb4d1eb1db0f6767d0c34a6101c5. 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



Threat unknown


Vendor detections: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: a0f7e47a92a904690c365a47054a187313a4cb4d1eb1db0f6767d0c34a6101c5
SHA3-384 hash: 9f22ae94ab3c10394b9542b788a50e8e62026dd88aa0544dc1e3594706b5a43440dec9da0e1b84b45fc7cbe27354ce8b
SHA1 hash: e6782e4096c1c75c8bf6d3434ccbe07f84105939
MD5 hash: e6541de7863192d1e3a5d356cbd28f2c
humanhash: november-alaska-florida-yankee
File name:QUOTE--GEI REF 2177700.exe
Download: download sample
File size:1'703'424 bytes
First seen:2024-09-20 10:49:44 UTC
Last seen:2024-09-24 09:39:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 49152:oni62dqTUUxZvFQHzC1Teav6O7KcZu76:KihdqTUUHFspav6jcZ2
TLSH T1467512277AAAB5B1D69C4737C6AB019407A1F9827693D60979CE23D99C43BBF4C1030F
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter cocaman
Tags:exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
419
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
QUOTE--GEI REF 2177700.exe
Verdict:
Suspicious activity
Analysis date:
2024-09-20 10:50:13 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
Nekark
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Launching a process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
net_reactor packed 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:
n/a
Detection:
malicious
Classification:
evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Nekark
Status:
Malicious
First seen:
2024-09-20 10:32:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Suspicious use of NtCreateUserProcessOtherParentProcess
Unpacked files
SH256 hash:
57909bcd546cab956eba7780412a4ac28855151ecaf327a46d93acd8fe0a5946
MD5 hash:
db2effcd6b99274acc459de6f90eb674
SHA1 hash:
d1dd626cf77df6545f412188e8b243ab0c1e7887
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
c7411c0005c29480c73362c830ffee624df0791fca38e084dbc4f6be983a8ada
MD5 hash:
f56b0386f379d70d757fc4958d7039f2
SHA1 hash:
b8cf01b8638d3a557fdb1a0b0d21622179700a6e
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
7bbe30216f03fad9ca6a0cf9a3590222fa6755b60efdc53e5095558ef600f527
MD5 hash:
a38abed759b359c4eef083929e5cf8c1
SHA1 hash:
6c3553b052a5857380efe394a69e73941a9cdca3
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
SH256 hash:
78f73e1734daa918b253517c75971fbb8df773a3d77d02a752e9a0ad1711a677
MD5 hash:
f9d2985aa1c41cca281321fffb5ed424
SHA1 hash:
3a7a58d2dcae2762882357ae34d372744b1dbb9d
SH256 hash:
a0f7e47a92a904690c365a47054a187313a4cb4d1eb1db0f6767d0c34a6101c5
MD5 hash:
e6541de7863192d1e3a5d356cbd28f2c
SHA1 hash:
e6782e4096c1c75c8bf6d3434ccbe07f84105939
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:NET
Author:malware-lu
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

Executable exe a0f7e47a92a904690c365a47054a187313a4cb4d1eb1db0f6767d0c34a6101c5

(this sample)

  
Delivery method
Other

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments