MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ea623740c81d566c3ad240c8b7c481a3ff5e5e0dd34c5e24e28204727c0e75cc. 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


HijackLoader


Vendor detections: 15


Intelligence 15 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ea623740c81d566c3ad240c8b7c481a3ff5e5e0dd34c5e24e28204727c0e75cc
SHA3-384 hash: c972e0cb4a867fbeecd6393be0449030572e2e746d8fd94935f987a14d2be9d27b26bedb77b581e5de0731b992dfa337
SHA1 hash: 19f2320c52700e80e0cdf43d5ba57dd6638a61af
MD5 hash: 37c71556dce4069ad266d7c730a664f3
humanhash: bacon-delaware-blossom-texas
File name:CYJJMWHM.exe
Download: download sample
Signature HijackLoader
Create hunting rule
File size:4'376'604 bytes
First seen:2025-06-07 03:40:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b5a014d7eeb4c2042897567e1288a095 (19 x HijackLoader, 14 x ValleyRAT, 12 x LummaStealer)
ssdeep 98304:+pVfgLff+sBsZ3G19tROrWvlWrMuWs4d7pSiL4WDvLGjRi:+pKLXoGHKWvlWrMvFSiLba0
Threatray 206 similar samples on MalwareBazaar
TLSH T1FB163302B7C8A2F6D6B2C672AF1DE7198633EB6D12406C9B52469E875DC3361230F4DD
TrID 38.7% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
24.6% (.EXE) Win64 Executable (generic) (10522/11/4)
11.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
10.5% (.EXE) Win32 Executable (generic) (4504/4/1)
4.7% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon c292ecd8f2f6fe1c (15 x HijackLoader, 11 x LummaStealer, 7 x Arechclient2)
Reporter skocherhan
Tags:exe HIjackLoader streamfast-sbs


Avatar
skocherhan
https://streamfast.sbs/CYJJMWHM.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
506
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
CYJJMWHM.exe
Verdict:
Malicious activity
Analysis date:
2025-06-07 03:42:18 UTC
Tags:
auto generic hijackloader loader
Link:
https://app.any.run/tasks/ce59a626-e0ed-44c8-881a-f113002426d5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/7865/
Detection(s):
SecuriteInfo.com.PUA.Win32.CandyOpen.23887.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6843b50907b5e8c1cfe541fc
Tags:
shellcode dropper emotet virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a file
Creating a file in the %AppData% subdirectories
DNS request
Connection attempt
Sending an HTTP GET request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context fingerprint installer microsoft_visual_cc overlay overlay packed packer_detected similar-threat
Link:
https://www.filescan.io/uploads/6843b4d9171e01f95938cfee/reports/b2beb07d-be84-4270-8c49-c7552f982d89/overview
Verdict:
Malicious
Labled as:
Win64_TrojanDownloader_Rugmi_FB_gen
Link:
https://www.hybrid-analysis.com/sample/ea623740c81d566c3ad240c8b7c481a3ff5e5e0dd34c5e24e28204727c0e75cc
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/a6724ca3-e39f-42a4-9651-82730aa224f3
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1708702
Signature
Found direct / indirect Syscall (likely to bypass EDR)
Found hidden mapped module (file has been removed from disk)
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
Suricata IDS alerts for network traffic
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1708702 Sample: CYJJMWHM.exe Startdate: 07/06/2025 Architecture: WINDOWS Score: 72 48 spark-chute.shop 2->48 50 pki-goog.l.google.com 2->50 52 c.pki.goog 2->52 64 Suricata IDS alerts for network traffic 2->64 66 Multi AV Scanner detection for submitted file 2->66 9 CYJJMWHM.exe 9 2->9         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\Temp\CiLog.exe, PE32+ 9->32 dropped 34 C:\Users\user\AppData\...\vcruntime140_1.dll, PE32+ 9->34 dropped 36 C:\Users\user\AppData\Local\...\mozglue.dll, PE32+ 9->36 dropped 38 2 other files (none is malicious) 9->38 dropped 12 CiLog.exe 8 9->12         started        process6 file7 40 C:\ProgramData\Demotool_Zzr_debug\CiLog.exe, PE32+ 12->40 dropped 42 C:\ProgramData\...\vcruntime140_1.dll, PE32+ 12->42 dropped 44 C:\ProgramData\...\mozglue.dll, PE32+ 12->44 dropped 46 2 other files (none is malicious) 12->46 dropped 70 Found direct / indirect Syscall (likely to bypass EDR) 12->70 16 CiLog.exe 6 12->16         started        signatures8 process9 file10 26 C:\Users\user\AppData\...\PriVerifier.exe, PE32+ 16->26 dropped 28 C:\Users\user\AppData\Roaming\...\XPFix.exe, PE32 16->28 dropped 30 C:\Users\user\AppData\Local\Temp\36AA4C.tmp, PE32+ 16->30 dropped 56 Modifies the context of a thread in another process (thread injection) 16->56 58 Found hidden mapped module (file has been removed from disk) 16->58 60 Maps a DLL or memory area into another process 16->60 62 Found direct / indirect Syscall (likely to bypass EDR) 16->62 20 PriVerifier.exe 2 16->20         started        24 XPFix.exe 16->24         started        signatures11 process12 dnsIp13 54 spark-chute.shop 172.67.185.248, 49694, 80 CLOUDFLARENETUS United States 20->54 68 Found direct / indirect Syscall (likely to bypass EDR) 20->68 signatures14
Score:
84%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ea623740c81d566c3ad240c8b7c481a3ff5e5e0dd34c5e24e28204727c0e75cc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ea623740c81d566c3ad240c8b7c481a3ff5e5e0dd34c5e24e28204727c0e75cc/
Threat name:
Win32.Trojan.Yomal
Create hunting rule
Status:
Malicious
First seen:
2025-06-04 11:09:32 UTC
File Type:
PE (Exe)
Extracted files:
77
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5jrdoqgidvlgyowsidelprebup7v4xqn2ngf4jhcqiche7aooxga._file
Verdict:
malicious
Label(s):
idatloader
Create hunting rule
Similar samples:
002c9d6070fe8ba48e26cde3161c24c745534b732e4b2748c8198d65b3da1aa4
HijackLoader
10cd6b68b312a4c66967da95c7c3f98ab2c4f5ecc77eb2b6096759118f6cc4e3
HijackLoader
64e2811f4c55a0b962e31c3fd01aa653ff5a55d56146ff2f4b6fbef6236c46a4
HijackLoader
a5c2cd0db95e87a627f59f7c0b66753969a6a036744e21e437ead5074b9a30a3
HijackLoader
c7134c66943d91beea8666e1f6d45f79a3df1ec49b0976d59f71511666eb4f3f
HijackLoader
deeedfc02b4b964e2dad06c963cccec8633c062bc0eb8e4daa1dae4ad7bb8990
HijackLoader
ea623740c81d566c3ad240c8b7c481a3ff5e5e0dd34c5e24e28204727c0e75cc
HijackLoader
error
HijackLoader
+ 196 additional samples on MalwareBazaar
Result
Malware family:
hijackloader
Create hunting rule
Score:
  10/10
Tags:
family:hijackloader discovery loader
Link:
https://tria.ge/reports/250607-d8vknawyas/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Detects HijackLoader (aka IDAT Loader)
HijackLoader
Hijackloader family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/fb340f2d-dbfa-49c4-a6c6-1530eb25de8b
Unpacked files
SH256 hash:
ea623740c81d566c3ad240c8b7c481a3ff5e5e0dd34c5e24e28204727c0e75cc
MD5 hash:
37c71556dce4069ad266d7c730a664f3
SHA1 hash:
19f2320c52700e80e0cdf43d5ba57dd6638a61af
Link:
https://www.unpac.me/results/a1d301b3-0e2d-455a-b6e7-2e9f5d60a48b/
SH256 hash:
517cd3aac2177a357cca6032f07ad7360ee8ca212a02dd6e1301bf6cfade2094
MD5 hash:
9ff712c25312821b8aec84c4f8782a34
SHA1 hash:
1a7a250d92a59c3af72a9573cffec2fcfa525f33
Link:
https://www.unpac.me/results/a1d301b3-0e2d-455a-b6e7-2e9f5d60a48b/
SH256 hash:
ad1730531759670e2c1171e2dc0194f47cc1b3ae40e2afa81528236dac603749
MD5 hash:
7b5edcaa787f8b2f9e66b080d5396aef
SHA1 hash:
33d9a75a8189059d058ffe2f35ee016234a93268
Link:
https://www.unpac.me/results/a1d301b3-0e2d-455a-b6e7-2e9f5d60a48b/
Malware family:
IDATLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ea623740c81d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ea623740c81d566c3ad240c8b7c481a3ff5e5e0dd34c5e24e28204727c0e75cc

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:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:Windows_Trojan_GhostPulse_caea316b
Create hunting rule
Author:Elastic Security

File information

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

Web download

HijackLoader

Shortcut (lnk) lnk a8b7a1a3f287885c42b8b1c30910c1a2a0516472561f6506a5089ee717742fd1

HijackLoader

Executable exe ea623740c81d566c3ad240c8b7c481a3ff5e5e0dd34c5e24e28204727c0e75cc

(this sample)

  
Dropped by
MD5 9ba48e7149453a28ea971102aba6c674
Cape
Cape
https://www.capesandbox.com/analysis/7865/
  
Dropped by
SHA256 a8b7a1a3f287885c42b8b1c30910c1a2a0516472561f6506a5089ee717742fd1
  
URLhaus
https://urlhaus.abuse.ch/url/3558661/
  
Delivery method
Distributed via web download

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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
ole32.dll::CreateStreamOnHGlobal
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::ShellExecuteW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetDriveTypeW
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetDiskFreeSpaceExW
KERNEL32.dll::GetCommandLineW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::GetSystemDirectoryW
KERNEL32.dll::GetFileAttributesW
KERNEL32.dll::FindFirstFileW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::CreateWindowExW

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