6b3213fa971a20810b03f02b1d64219802169e84463062c9f20bb8b756e4eff2

Analysis

max time kernel
147s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 05:11

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General

Target

2979f7f46020a9286fe5110cd1c1a17e.dll
Size

9KB
MD5

2979f7f46020a9286fe5110cd1c1a17e
SHA1

1ef25f870ec05c7c2095b2f2f8b6dbcb80138a86
SHA256

6b3213fa971a20810b03f02b1d64219802169e84463062c9f20bb8b756e4eff2
SHA512

bc2a7de1e7dcc295fc340e7a320840aec3cae165d7311f369b24c493f15978ea465907ffceee449f3be43d6d56daafc935dce38eae3a71b10682db6120b3a854
SSDEEP

192:rDOgKXdbztGac18nPGOKYSLsFWJkzuytDo6oNjDMIsK:nyXdbz0ac1+PG7Y0sAJkzufNvH5

Score

10^/10

persistence upx

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\odb_set = "{D54B7FFF-150A-4C58-8E1B-592042DB6C3D}"	rundll32.exe

Blocklisted process makes network request 1 IoCs

flow	pid	Process
12	3140	rundll32.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3140-0-0x0000000010000000-0x000000001000A000-memory.dmp	upx
behavioral2/memory/3140-14-0x0000000010000000-0x000000001000A000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\odbcmr32.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\odbcmr32.dll	rundll32.exe
File created	C:\Windows\SysWOW64\obdwk.sys	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D54B7FFF-150A-4C58-8E1B-592042DB6C3D}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D54B7FFF-150A-4C58-8E1B-592042DB6C3D}\InprocServer32\ = "odbcmr32.dll"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D54B7FFF-150A-4C58-8E1B-592042DB6C3D}\InprocServer32	rundll32.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
660	Process not Found

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4376 wrote to memory of 3140	4376	rundll32.exe	14
PID 4376 wrote to memory of 3140	4376	rundll32.exe	14
PID 4376 wrote to memory of 3140	4376	rundll32.exe	14

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2979f7f46020a9286fe5110cd1c1a17e.dll,#1
1⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Blocklisted process makes network request
- Drops file in System32 directory
- Modifies registry class
PID:3140

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2979f7f46020a9286fe5110cd1c1a17e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4376

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3140-0-0x0000000010000000-0x000000001000A000-memory.dmp

Filesize
40KB

Download
memory/3140-14-0x0000000010000000-0x000000001000A000-memory.dmp

Filesize
40KB

Download
memory/3140-27-0x0000000010000000-0x000000001000A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads