MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 cb849c2c9f9737b3550b615c2b2d9705eac028d959228ed6b3d32943f7803a50. 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
ValleyRAT
Vendor detections: 11
| SHA256 hash: | cb849c2c9f9737b3550b615c2b2d9705eac028d959228ed6b3d32943f7803a50 |
|---|---|
| SHA3-384 hash: | 7f2e447633f24c1d43a44288b6a47d4cfff656f33fc3baa5a4a1a8231f2935aca77926665a15a8afa3f0424ce0fc49a5 |
| SHA1 hash: | 762c46521f4c6c0deac124594e3ff6ea2d66f7d3 |
| MD5 hash: | 4ec762bcf1af41a903f078a00f05ff95 |
| humanhash: | kitten-winter-wisconsin-blossom |
| File name: | Interdersoft_bill.exe |
| Download: | download sample |
| Signature | ValleyRAT |
| File size: | 3'222'864 bytes |
| First seen: | 2026-09-23 10:21:25 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 5a594319a0d69dbc452e748bcf05892e (32 x Gh0stRAT, 21 x ParallaxRAT, 15 x NetSupport) |
| ssdeep | 49152:iqe3f66oT5WXYPjbsfqYfv39X4EvcKpwxTcAcK+Nz3LGPGuc:7Si5cJfdn2TuK+ruc |
| TLSH | T1C4E5F13FB268B53ED4AE0B3245B39220497B7665A81A8C2F47F0094DCF6A4711F3F656 |
| TrID | 61.4% (.EXE) Inno Setup installer (107240/4/30) 23.8% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9) 3.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.7% (.EXE) Win64 Executable (generic) (6522/11/2) 2.5% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| dhash icon | b63bdcd6d28e95aa (1 x ValleyRAT) |
| Reporter |  SquiblydooBlog |
| Tags: | exe signed ValleyRAT |
Code Signing Certificate
| Organisation: | 抚顺琴安德超商贸有限公司 |
|---|---|
| Issuer: | Certum Extended Validation Code Signing 2021 CA |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2026-01-30T13:33:16Z |
| Valid to: | 2027-01-30T13:33:15Z |
| Serial number: | 367ed53e788f0a17fdfc5d47fd784914 |
| Intelligence: | 2 malware samples on MalwareBazaar are signed with this code signing certificate |
| Cert Graveyard Blocklist: | This certificate is on the Cert Graveyard blocklist |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 87e6aa75fe5b3b81bd5724c29420f1ec48fed984e3f1c61bf77ca71c94438081 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
185
Origin country :
USVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Interdersoft bill_2.7z
Verdict:
Malicious activity
Analysis date:
2026-09-22 09:12:05 UTC
Tags:
arch-exec auto generic
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Verdict:
Clean
Score:
50%
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for synchronization primitives
Creating a process with a hidden window
Creating a file
Deleting a recently created file
Connection attempt
Sending a custom TCP request
Launching a service
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
adaptive-context anti-debug crypto dropper embarcadero_delphi expired-cert fingerprint hacktool inno installer installer reconnaissance signed
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-09-22T06:57:00Z UTC
Last seen:
2026-09-24T04:31:00Z UTC
Hits:
~100
Malware family:
ValleyRAT
Verdict:
Malicious
Score:
20%
Verdict:
Benign
File Type:
PE
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Trojan.Qwexlafiba
Status:
Malicious
First seen:
2026-09-22 12:12:54 UTC
File Type:
PE (Exe)
Extracted files:
128
AV detection:
6 of 38 (15.79%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
ValleyRAT
Result
Malware family:
n/a
Score:
6/10
Tags:
adware discovery installer persistence spyware
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Inno Setup is an open-source installation builder for Windows applications.
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Enumerates connected drives
Unpacked files
SH256 hash:
cb849c2c9f9737b3550b615c2b2d9705eac028d959228ed6b3d32943f7803a50
MD5 hash:
4ec762bcf1af41a903f078a00f05ff95
SHA1 hash:
762c46521f4c6c0deac124594e3ff6ea2d66f7d3
SH256 hash:
388a796580234efc95f3b1c70ad4cb44bfddc7ba0f9203bf4902b9929b136f95
MD5 hash:
e4211d6d009757c078a9fac7ff4f03d4
SHA1 hash:
019cd56ba687d39d12d4b13991c9a42ea6ba03da
SH256 hash:
7403c00c516e8cea039ee9e093d63f692dd72a1fb11c931362b2790a929f0ea8
MD5 hash:
8803404c29dad66c31a5270fc1d38e8d
SHA1 hash:
0b5f3b5bbb6fa28e814ebaa9bfe2f64b78e73df0
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.54
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: | Borland |
|---|---|
| Author: | malware-lu |
| Rule name: | certum_issuer |
|---|---|
| Author: | Certum |
| Description: | Looks for files signed with certificate issued by Certum |
| Rule name: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | detect_certum_issuer |
|---|---|
| Author: | Certum |
| Description: | Looks for files signed with certificate issued by Certum |
| Rule name: | Gh0stKCP |
|---|---|
| Author: | Netresec |
| Description: | Detects HP-Socket ARQ and KCP implementations, which are used in Gh0stKCP. Forked from @stvemillertime's KCP catchall rule. |
| Reference: | https://netresec.com/?b=259a5af |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | IMPLANT_4_v7 |
|---|---|
| Author: | US CERT |
| Description: | BlackEnergy / Voodoo Bear Implant by APT28 |
| Reference: | https://www.us-cert.gov/ncas/current-activity/2017/02/10/Enhanced-Analysis-GRIZZLY-STEPPE |
| Rule name: | malware_shellcode_hash |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect shellcode api hash value |
| Rule name: | meth_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | MULTI_Malware_AgentTesla_ForgeAuto_ed343f78_Extrait |
|---|---|
| Author: | Marjoriefort |
| Description: | Detects AgentTesla (inconnu, etat extrait) |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | pe_no_import_table |
|---|---|
| Description: | Detect pe file that no import table |
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
| 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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