355a2499f4b0ba22849284b8aaa75ffc1e246b6be662ea3434f57f628ff32504

Analysis

max time kernel
148s
max time network
125s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
06/10/2026, 13:08

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General

Target
jaffacakes118_Trojan-Downloader.Win32.Small.cob.exe
Size 4KB
Sample261006-qc7assfa59
SHA256 355a2499f4b0ba22849284b8aaa75ffc1e246b6be662ea3434f57f628ff32504
MD5 7b7994bdf39883115406f1ee7082ee32
SHA1 9e109b748e366014bb6f80b026df659b873008ff
SHA512 226f2c9e441d89b4894546b3d8553557885ef865c9bb2ec7f7fec6b4121619dbb25507c65c57ac2031f564f6238a264e76459e46a292ce09f814a824ee0662a3
SSDEEP 48:6q+h0+xtDU04+7iQCNtDMVhCQp+imgi3ivZkkIujYR529SeJY8JTaA8u8Bh:t+C+XInhtDMR/wivKVHr
TLSH
T164814ABABA6EA773C2A92337465249B23912306463E6CA688CF01043BCD301A0D7DB80
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

discovery upx

Malware Config

Signatures

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\shell386.exe	jaffacakes118_Trojan-Downloader.Win32.Small.cob.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4136-0-0x0000000000400000-0x0000000000407000-memory.dmp	upx
behavioral2/memory/4136-22-0x0000000000400000-0x0000000000407000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	jaffacakes118_Trojan-Downloader.Win32.Small.cob.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	jaffacakes118_Trojan-Downloader.Win32.Small.cob.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118_Trojan-Downloader.Win32.Small.cob.exe

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.Small.cob.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.Small.cob.exe"
1⤵
- Drops file in System32 directory
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
PID:4136

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

shell386.exe

Path C:\Windows\SysWOW64\shell386.exe
Size 267B
SHA256 e4f76384320dd0afc79d3998ab7a122652edcaf8d0bd75823dec895c7fa103e2
MD5 baabfc49c63c2d9af0907fcdf76c2213
SHA1 a7cc7147cdcb15aa1f9bd060ef5a33e7b4c86834
SHA512 a5585186d43c7efeb8e0c2bbf8f186cde28e99f3c1ace94bcb1ae3490159e99ceb60cd42ec612985402b046b3883ca42ced1744beb62f2e04d6ec73155b93d85
TLSH
T126D02B9E504733964811285039C211C2228913E66439D1E86E86E447525C53DCDCA6DD
MD5 SHA1 SHA512 TLSH

Submit Download

memory/4136-0-0x0000000000400000-0x0000000000407000-memory.dmp

Download

memory/4136-22-0x0000000000400000-0x0000000000407000-memory.dmp