MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 49f94a21a321f2ac9b1027b11153e90ca769df469e8055fbcef2df031c66f1f7. 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



Cosmu


Vendor detections: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: 49f94a21a321f2ac9b1027b11153e90ca769df469e8055fbcef2df031c66f1f7
SHA3-384 hash: cd3748621234458a9cc3e8e29582ac124038b26b869697f512f1df23e2e1cd05588c08bf4769c5ce26488c3ac98fa4ef
SHA1 hash: 64475b39e11bea84195aaee6c83c954311f13296
MD5 hash: 9dbbea94b6b59644e62df62bd02fb871
humanhash: april-robert-uniform-nineteen
File name:AcrobatInfo.exe
Download: download sample
Signature Cosmu
File size:290'817 bytes
First seen:2026-06-05 17:44:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5aa33c577ffd8431ff254de85dee5e7b (45 x Cosmu)
ssdeep 6144:uFlKgzelZNQSBQGH/CSpWqTEoAXjiU4bzl:JfBQGH6SfgoAX+U4V
TLSH T10154F2457DA3C4B3D0414D3188A68BE19B7F6C137AA6E11BFB9D0B4B1EB13844B6A361
TrID 50.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
10.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
10.5% (.EXE) Win64 Executable (generic) (6522/11/2)
8.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.2% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter qemped
Tags:Cosmu exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
123
Origin country :
ID ID
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
_49f94a21a321f2ac9b1027b11153e90ca769df469e8055fbcef2df031c66f1f7.exe
Verdict:
No threats detected
Analysis date:
2026-06-05 17:49:52 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
dropper agent worm
Result
Verdict:
Malware
Maliciousness:

Behaviour
Moving a file to the Program Files subdirectory
Delayed reading of the file
Creating a file
Replacing executable files
Moving a recently created file
Enabling the 'hidden' option for recently created files
Creating a file in the Program Files subdirectories
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug evasive exploit fingerprint microsoft_visual_cc overlay packed reconnaissance
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-06-05T14:31:00Z UTC
Last seen:
2026-06-05T14:55:00Z UTC
Hits:
~10
Detections:
HEUR:Virus.Win32.Generic HEUR:Trojan.Win32.Bingoml.gen
Gathering data
Threat name:
Win32.Virus.Emdup
Status:
Malicious
First seen:
2026-06-05 17:45:53 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:cosmu discovery worm
Behaviour
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Enumerates connected drives
Detects Cosmu payload
Family: Cosmu
Unpacked files
SH256 hash:
49f94a21a321f2ac9b1027b11153e90ca769df469e8055fbcef2df031c66f1f7
MD5 hash:
9dbbea94b6b59644e62df62bd02fb871
SHA1 hash:
64475b39e11bea84195aaee6c83c954311f13296
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/
Rule name:VECT_Ransomware
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

File information


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

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