f9ce6618724f20891ef9e68f12a248b71ae9999223659e7c0b9f83a16f5ba097

Analysis

max time kernel
60s
max time network
53s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
02/12/2022, 22:55

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General

Target

f9ce6618724f20891ef9e68f12a248b71ae9999223659e7c0b9f83a16f5ba097.exe
Size

822KB
MD5

40c5d3ada515e0a592cc6f4969fc1854
SHA1

e20e712480dff42e01cbc4482387a84edf62deb0
SHA256

f9ce6618724f20891ef9e68f12a248b71ae9999223659e7c0b9f83a16f5ba097
SHA512

cd42d8fede2f79513e172e8c166c28cf5b48a7c5c4ade8a7e69b763d4bce6dc6e6629ff68a09a210130cc12a4819d1bee2af8e437c391456cd8932cec8165488
SSDEEP

12288:cMZSamKJgQeLuuPPkpuJy9oy71+dzjjkImJE3pY8WjNH2xZKABcyawffel:cMZ9lJg1L93Jy96jAspYrRWxRc+f

Score

8^/10

discovery upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1964-55-0x0000000000400000-0x000000000062E000-memory.dmp	upx
behavioral1/memory/1964-56-0x0000000000400000-0x000000000062E000-memory.dmp	upx
behavioral1/memory/1964-58-0x0000000000400000-0x000000000062E000-memory.dmp	upx

Deletes itself 1 IoCs

pid	Process
1044	cmd.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1964	f9ce6618724f20891ef9e68f12a248b71ae9999223659e7c0b9f83a16f5ba097.exe
1964	f9ce6618724f20891ef9e68f12a248b71ae9999223659e7c0b9f83a16f5ba097.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 1044	1964	f9ce6618724f20891ef9e68f12a248b71ae9999223659e7c0b9f83a16f5ba097.exe	28
PID 1964 wrote to memory of 1044	1964	f9ce6618724f20891ef9e68f12a248b71ae9999223659e7c0b9f83a16f5ba097.exe	28
PID 1964 wrote to memory of 1044	1964	f9ce6618724f20891ef9e68f12a248b71ae9999223659e7c0b9f83a16f5ba097.exe	28
PID 1964 wrote to memory of 1044	1964	f9ce6618724f20891ef9e68f12a248b71ae9999223659e7c0b9f83a16f5ba097.exe	28
PID 1044 wrote to memory of 668	1044	cmd.exe	30
PID 1044 wrote to memory of 668	1044	cmd.exe	30
PID 1044 wrote to memory of 668	1044	cmd.exe	30
PID 1044 wrote to memory of 668	1044	cmd.exe	30

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
668	attrib.exe

C:\Users\Admin\AppData\Local\Temp\f9ce6618724f20891ef9e68f12a248b71ae9999223659e7c0b9f83a16f5ba097.exe
"C:\Users\Admin\AppData\Local\Temp\f9ce6618724f20891ef9e68f12a248b71ae9999223659e7c0b9f83a16f5ba097.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\clri$nsx.bat
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1044
- - C:\Windows\SysWOW64\attrib.exe
    attrib -H -R "C:\Users\Admin\AppData\Local\Temp\clri$nsx.bat"
    3⤵
    - Views/modifies file attributes
    PID:668

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

T1158

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\clri$nsx.bat

Filesize
361B

MD5
d2c0aedbfed2065d94fc6892974f58ea

SHA1
c18268764e1dbe29819eb2adc30a55a686a67f8f

SHA256
b91606e6b5965351199069e1f9891b87ce6cff570f606a1c1d54fbe6de5c2f11

SHA512
0b99e807cd37ffea6c22c952b1ade0574b1e0e49563f7f1cfbc18af597a4031beb264cbb2e488953a441deaaa8efb0758d9175bf19f5c0ad40f619a64d0506c6

Download Submit
memory/1964-54-0x0000000074D81000-0x0000000074D83000-memory.dmp

Filesize
8KB

Download
memory/1964-55-0x0000000000400000-0x000000000062E000-memory.dmp

Filesize
2.2MB

Download
memory/1964-56-0x0000000000400000-0x000000000062E000-memory.dmp

Filesize
2.2MB

Download
memory/1964-58-0x0000000000400000-0x000000000062E000-memory.dmp

Filesize
2.2MB

Download