49d0d16b61e9b568f34e9ea12ce970e51faeaf190590199f7898484c83ba69ae

Analysis

max time kernel
117s
max time network
147s
platform
windows7_x64
resource
win7-20231025-en
resource tags

arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
submitted
04/11/2023, 08:33

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General

Target

NEAS.54417c8f7f43071297055210009dbd70.exe
Size

212KB
MD5

54417c8f7f43071297055210009dbd70
SHA1

a32e74221460a3aa11e9c74fd6191142200807ae
SHA256

49d0d16b61e9b568f34e9ea12ce970e51faeaf190590199f7898484c83ba69ae
SHA512

39476684e545a7be108a71c812d1e191b359b96fb5f2901f77f6cb9a9464a6c436b8528a66129e1e12f0342feb28f4e1ca574f3137fc095747df258a11aa3c4f
SSDEEP

6144:p44b7czAEYdlyp6rswaDqKgL08qvFsRcB:m4fiQdlnoxgYlvy+

Score

8^/10

persistence

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Executes dropped EXE 1 IoCs

pid	Process
2704	kymnayk.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\kymnayk.exe	NEAS.54417c8f7f43071297055210009dbd70.exe
File created	C:\PROGRA~3\Mozilla\iuxrktg.dll	kymnayk.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
3004	NEAS.54417c8f7f43071297055210009dbd70.exe
2704	kymnayk.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 2704	2356	taskeng.exe	30
PID 2356 wrote to memory of 2704	2356	taskeng.exe	30
PID 2356 wrote to memory of 2704	2356	taskeng.exe	30
PID 2356 wrote to memory of 2704	2356	taskeng.exe	30

C:\Users\Admin\AppData\Local\Temp\NEAS.54417c8f7f43071297055210009dbd70.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.54417c8f7f43071297055210009dbd70.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of UnmapMainImage
PID:3004

C:\Windows\system32\taskeng.exe
taskeng.exe {BAB3304F-5725-4D5C-A151-C748F97AF8D8} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2356
- C:\PROGRA~3\Mozilla\kymnayk.exe
  C:\PROGRA~3\Mozilla\kymnayk.exe -dtmxjcd
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of UnmapMainImage
  PID:2704

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

Replay Monitor

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Downloads

C:\PROGRA~3\Mozilla\kymnayk.exe

Filesize
212KB

MD5
ec34dd3693566263c6ed63cd3f877e3b

SHA1
f4280b52cb7b83b8cd7b7973ec696f7ab0dbe59b

SHA256
a810971df96b06949f8781dc138073f7da016c255566b429b90465ff488ef541

SHA512
d48b2577a410392a99a2d66384e4bf7a9e0cdc5609b7e2291279664cab6930fd4a130309427cb958c3ff787914de5e13f19654c27e7b89eee5216b3f23dfac02

Download Submit
C:\PROGRA~3\Mozilla\kymnayk.exe

Filesize
212KB

MD5
ec34dd3693566263c6ed63cd3f877e3b

SHA1
f4280b52cb7b83b8cd7b7973ec696f7ab0dbe59b

SHA256
a810971df96b06949f8781dc138073f7da016c255566b429b90465ff488ef541

SHA512
d48b2577a410392a99a2d66384e4bf7a9e0cdc5609b7e2291279664cab6930fd4a130309427cb958c3ff787914de5e13f19654c27e7b89eee5216b3f23dfac02

Download Submit
memory/2704-7-0x00000000008F0000-0x000000000094B000-memory.dmp

Filesize
364KB

Download
memory/2704-8-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2704-10-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2704-11-0x00000000008F0000-0x000000000094B000-memory.dmp

Filesize
364KB

Download
memory/3004-1-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/3004-0-0x00000000004D0000-0x000000000052B000-memory.dmp

Filesize
364KB

Download
memory/3004-3-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/3004-4-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download