9b29bd1819fd48001b3ed2c9b7aa86e3a52a5d2a27693186908dc5fbcf1f5ff2

Analysis

max time kernel
141s
max time network
121s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
12-03-2024 02:35

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General

Target

c23cf254ea9955ac6b67983995bdd11a.exe
Size

55KB
MD5

c23cf254ea9955ac6b67983995bdd11a
SHA1

fcc1244a53e532a0994b81ee52daa03e1553d61d
SHA256

9b29bd1819fd48001b3ed2c9b7aa86e3a52a5d2a27693186908dc5fbcf1f5ff2
SHA512

9dc1ed32591c40f4183f630300f8c4c151666697646c7e8120a3e0f6e3529e7c6201325f0f7d2c6a366a660f95d56639f3dc61ad51dd27638eadb90859ef2808
SSDEEP

1536:b8rVMZt8VZ3dshVq1afWWgjNddzO6RT0iDjarVD:b8+cZNuq12mddzO6K

Score

8^/10

persistence upx

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Microsoft = "C:\\Users\\Admin\\AppData\\Roaming\\smss.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2264 svchost.exe

pid	process
2264	svchost.exe

UPX packed file 1 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1756-0-0x0000000000400000-0x0000000000423000-memory.dmp	upx

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

c23cf254ea9955ac6b67983995bdd11a.exe

pid process

1756 c23cf254ea9955ac6b67983995bdd11a.exe
1756 c23cf254ea9955ac6b67983995bdd11a.exe

pid	process
1756	c23cf254ea9955ac6b67983995bdd11a.exe
1756	c23cf254ea9955ac6b67983995bdd11a.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

c23cf254ea9955ac6b67983995bdd11a.exe

description	pid	process	target process
PID 1756 wrote to memory of 2264	1756	c23cf254ea9955ac6b67983995bdd11a.exe	svchost.exe
PID 1756 wrote to memory of 2264	1756	c23cf254ea9955ac6b67983995bdd11a.exe	svchost.exe
PID 1756 wrote to memory of 2264	1756	c23cf254ea9955ac6b67983995bdd11a.exe	svchost.exe
PID 1756 wrote to memory of 2264	1756	c23cf254ea9955ac6b67983995bdd11a.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\c23cf254ea9955ac6b67983995bdd11a.exe
"C:\Users\Admin\AppData\Local\Temp\c23cf254ea9955ac6b67983995bdd11a.exe"
1⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1756

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Adds policy Run key to start application
- Deletes itself
PID:2264

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1756-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/1756-1-0x0000000000220000-0x0000000000224000-memory.dmp

Filesize
16KB

Download
memory/1756-2-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2264-4-0x0000000000740000-0x0000000000748000-memory.dmp

Filesize
32KB

Download
memory/2264-3-0x0000000000740000-0x0000000000748000-memory.dmp

Filesize
32KB

Download
memory/2264-8-0x0000000000030000-0x000000000003B000-memory.dmp

Filesize
44KB

Download
memory/2264-10-0x0000000000030000-0x000000000003B000-memory.dmp

Filesize
44KB

Download
memory/2264-9-0x0000000000080000-0x0000000000084000-memory.dmp

Filesize
16KB

Download
memory/2264-13-0x0000000000030000-0x000000000003B000-memory.dmp

Filesize
44KB

Download