d4339e45d722343773958d7f893c26126b29c0efef48be926be982f1e5918b34

Analysis

max time kernel
176s
max time network
192s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 09:46

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General

Target

d4339e45d722343773958d7f893c26126b29c0efef48be926be982f1e5918b34.exe
Size

138KB
MD5

5bcaa9ea86e49f7da3615a5663797b6f
SHA1

b29a79a89d5aec764da4de93b26aec2d37e52083
SHA256

d4339e45d722343773958d7f893c26126b29c0efef48be926be982f1e5918b34
SHA512

5c73abf6e892636dc13e86a882484919cd6701fabded4629045f2e92392d48852a62e9e5c3d8abf720d394d23c86713b6e5ad5290163b59aa71563b5a941db40
SSDEEP

3072:Mydp70Kw0Kgp+33pDmaO+0PDGSXU3HvGG:TdN0sgmnPUXvGG

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

hkcmd.exe

pid process

220 hkcmd.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

d4339e45d722343773958d7f893c26126b29c0efef48be926be982f1e5918b34.exehkcmd.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hkcmd = "C:\\Users\\Admin\\AppData\\Roaming\\Install\\hkcmd.exe"	d4339e45d722343773958d7f893c26126b29c0efef48be926be982f1e5918b34.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hkcmd = "C:\\Users\\Admin\\AppData\\Roaming\\Install\\hkcmd.exe"	hkcmd.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

hkcmd.exe

pid	process
220	hkcmd.exe
220	hkcmd.exe
220	hkcmd.exe
220	hkcmd.exe
220	hkcmd.exe
220	hkcmd.exe
220	hkcmd.exe
220	hkcmd.exe
220	hkcmd.exe
220	hkcmd.exe
220	hkcmd.exe
220	hkcmd.exe
220	hkcmd.exe
220	hkcmd.exe
220	hkcmd.exe
220	hkcmd.exe
220	hkcmd.exe
220	hkcmd.exe
220	hkcmd.exe
220	hkcmd.exe
220	hkcmd.exe
220	hkcmd.exe
220	hkcmd.exe
220	hkcmd.exe
220	hkcmd.exe
220	hkcmd.exe
220	hkcmd.exe
220	hkcmd.exe
220	hkcmd.exe
220	hkcmd.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

d4339e45d722343773958d7f893c26126b29c0efef48be926be982f1e5918b34.exe

description	pid	process	target process
PID 1268 wrote to memory of 220	1268	d4339e45d722343773958d7f893c26126b29c0efef48be926be982f1e5918b34.exe	hkcmd.exe
PID 1268 wrote to memory of 220	1268	d4339e45d722343773958d7f893c26126b29c0efef48be926be982f1e5918b34.exe	hkcmd.exe
PID 1268 wrote to memory of 220	1268	d4339e45d722343773958d7f893c26126b29c0efef48be926be982f1e5918b34.exe	hkcmd.exe

C:\Users\Admin\AppData\Local\Temp\d4339e45d722343773958d7f893c26126b29c0efef48be926be982f1e5918b34.exe
"C:\Users\Admin\AppData\Local\Temp\d4339e45d722343773958d7f893c26126b29c0efef48be926be982f1e5918b34.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1268

C:\Users\Admin\AppData\Roaming\Install\hkcmd.exe
"C:\Users\Admin\AppData\Roaming\Install\hkcmd.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:220

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Install\hkcmd.exe
Filesize
138KB

MD5
5bcaa9ea86e49f7da3615a5663797b6f

SHA1
b29a79a89d5aec764da4de93b26aec2d37e52083

SHA256
d4339e45d722343773958d7f893c26126b29c0efef48be926be982f1e5918b34

SHA512
5c73abf6e892636dc13e86a882484919cd6701fabded4629045f2e92392d48852a62e9e5c3d8abf720d394d23c86713b6e5ad5290163b59aa71563b5a941db40

Download Submit
C:\Users\Admin\AppData\Roaming\Install\hkcmd.exe
Filesize
138KB

MD5
5bcaa9ea86e49f7da3615a5663797b6f

SHA1
b29a79a89d5aec764da4de93b26aec2d37e52083

SHA256
d4339e45d722343773958d7f893c26126b29c0efef48be926be982f1e5918b34

SHA512
5c73abf6e892636dc13e86a882484919cd6701fabded4629045f2e92392d48852a62e9e5c3d8abf720d394d23c86713b6e5ad5290163b59aa71563b5a941db40

Download Submit
C:\Users\Admin\AppData\Roaming\Install\ntfs.dat
Filesize
8B

MD5
a772ae1e14d74ef501703beb3957e749

SHA1
a5f5fec3b412bae3ffae86a0ad8b432711f5e745

SHA256
9b354cdfb46c6e94e219cee4a31bf281c0aa29c13be49cd7ec9e98e1aa889778

SHA512
b63558b8f1ff1a1c9a00a542c944ad5d8647e666161515259c1f8d2d3ad7aed488c6a11c66c64cc8ab8df08c172b18f3536687c57113c180c0ead71555cbb9a8

Download Submit
memory/220-133-0x0000000000000000-mapping.dmp

Download
memory/220-137-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/220-139-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1268-132-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1268-138-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1268-140-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download