d6a6a791bc32e2e75e73d0bed316f4e9fd7eea8451064defa44055e5740f3007

Analysis

max time kernel
150s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
10-05-2024 03:29

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General

Target

d6a6a791bc32e2e75e73d0bed316f4e9fd7eea8451064defa44055e5740f3007.exe
Size

53KB
MD5

ed95af82d70db8a1971422a315317709
SHA1

29e5aa660ce39fad470c0957deae3aba1dd7c1f5
SHA256

d6a6a791bc32e2e75e73d0bed316f4e9fd7eea8451064defa44055e5740f3007
SHA512

33646eea3f3db15b070629b0bb767288c3929462f49f9b39a5d0f38320667391b7d10c313fc60cc678f9969f35ea52c01e59b6076451bb6a3b2f46770d947e0d
SSDEEP

1536:vNIg8r8QorPo/D37Kp3StjEMjmLM3ztDJWZsXy4JzxPMk:TrPiJJjmLM3zRJWZsXy4Jt

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	yemik.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	d6a6a791bc32e2e75e73d0bed316f4e9fd7eea8451064defa44055e5740f3007.exe

Executes dropped EXE 1 IoCs

pid	Process
2660	yemik.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yemik = "C:\\Users\\Admin\\yemik.exe"	yemik.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe
2660	yemik.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2552	d6a6a791bc32e2e75e73d0bed316f4e9fd7eea8451064defa44055e5740f3007.exe
2660	yemik.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2552 wrote to memory of 2660	2552	d6a6a791bc32e2e75e73d0bed316f4e9fd7eea8451064defa44055e5740f3007.exe	87
PID 2552 wrote to memory of 2660	2552	d6a6a791bc32e2e75e73d0bed316f4e9fd7eea8451064defa44055e5740f3007.exe	87
PID 2552 wrote to memory of 2660	2552	d6a6a791bc32e2e75e73d0bed316f4e9fd7eea8451064defa44055e5740f3007.exe	87
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80
PID 2660 wrote to memory of 2552	2660	yemik.exe	80

C:\Users\Admin\AppData\Local\Temp\d6a6a791bc32e2e75e73d0bed316f4e9fd7eea8451064defa44055e5740f3007.exe
"C:\Users\Admin\AppData\Local\Temp\d6a6a791bc32e2e75e73d0bed316f4e9fd7eea8451064defa44055e5740f3007.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2552
- C:\Users\Admin\yemik.exe
  "C:\Users\Admin\yemik.exe"
  2⤵
  - Modifies visiblity of hidden/system files in Explorer
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2660

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\yemik.exe

Filesize
53KB

MD5
ea70edba78e8292eafb48962415799f5

SHA1
7da4d0c0513715822361ef532c80542e2d8b3830

SHA256
997d11bca8bdf774472629b27d349c6c9884f3c7160b0132236b9b8d6500929c

SHA512
bc999a39a1f1551dc3a5707fa137e524aadd24f4e7af91efbc11547ee96fb2aeca1aaa1529ef757868416f28475c572e2a3636a570171ab3fb38064fc6ef4e64

Download Submit
memory/2552-0-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2660-33-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download