f8ab626ae9cbb86a1e9f9a1974a6b4034b5b528e0631895cde8ccb1a0fd49cf0

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
02/10/2022, 11:03

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General

Target

f8ab626ae9cbb86a1e9f9a1974a6b4034b5b528e0631895cde8ccb1a0fd49cf0.exe
Size

294KB
MD5

65badbe242878265bb6cfea347bda1c0
SHA1

0501845531ded9ee446cc33630546295db7eb88d
SHA256

f8ab626ae9cbb86a1e9f9a1974a6b4034b5b528e0631895cde8ccb1a0fd49cf0
SHA512

254c6517e71339979617658a83c72d710c7ed73fd82f1758e34442fd17e918ca9a7496f5846da8a0935d24ddba7eb5054cdbbb2c48cb65e138c9891d4b268c4b
SSDEEP

6144:ds2dMBPkWM7Un11uZuJ2kTDMo/hfP8y5fvPWdvMrpWUXFsQsY8MNgY3Fg8AZXC0y:dHdEsx7Un11PPfP8yspkrVsdGgUgxZCl

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1116	koemv.exe

Deletes itself 1 IoCs

pid	Process
1556	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
1492	f8ab626ae9cbb86a1e9f9a1974a6b4034b5b528e0631895cde8ccb1a0fd49cf0.exe
1492	f8ab626ae9cbb86a1e9f9a1974a6b4034b5b528e0631895cde8ccb1a0fd49cf0.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run	koemv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Koemv = "C:\\Users\\Admin\\AppData\\Roaming\\Wiibxi\\koemv.exe"	koemv.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1492 set thread context of 1556	1492	f8ab626ae9cbb86a1e9f9a1974a6b4034b5b528e0631895cde8ccb1a0fd49cf0.exe	28

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
1116	koemv.exe
1116	koemv.exe
1116	koemv.exe
1116	koemv.exe
1116	koemv.exe
1116	koemv.exe
1116	koemv.exe
1116	koemv.exe
1116	koemv.exe
1116	koemv.exe
1116	koemv.exe
1116	koemv.exe
1116	koemv.exe
1116	koemv.exe
1116	koemv.exe
1116	koemv.exe
1116	koemv.exe
1116	koemv.exe
1116	koemv.exe
1116	koemv.exe
1116	koemv.exe
1116	koemv.exe
1116	koemv.exe
1116	koemv.exe
1116	koemv.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 1116	1492	f8ab626ae9cbb86a1e9f9a1974a6b4034b5b528e0631895cde8ccb1a0fd49cf0.exe	27
PID 1492 wrote to memory of 1116	1492	f8ab626ae9cbb86a1e9f9a1974a6b4034b5b528e0631895cde8ccb1a0fd49cf0.exe	27
PID 1492 wrote to memory of 1116	1492	f8ab626ae9cbb86a1e9f9a1974a6b4034b5b528e0631895cde8ccb1a0fd49cf0.exe	27
PID 1492 wrote to memory of 1116	1492	f8ab626ae9cbb86a1e9f9a1974a6b4034b5b528e0631895cde8ccb1a0fd49cf0.exe	27
PID 1116 wrote to memory of 1280	1116	koemv.exe	17
PID 1116 wrote to memory of 1280	1116	koemv.exe	17
PID 1116 wrote to memory of 1280	1116	koemv.exe	17
PID 1116 wrote to memory of 1280	1116	koemv.exe	17
PID 1116 wrote to memory of 1280	1116	koemv.exe	17
PID 1116 wrote to memory of 1396	1116	koemv.exe	16
PID 1116 wrote to memory of 1396	1116	koemv.exe	16
PID 1116 wrote to memory of 1396	1116	koemv.exe	16
PID 1116 wrote to memory of 1396	1116	koemv.exe	16
PID 1116 wrote to memory of 1396	1116	koemv.exe	16
PID 1116 wrote to memory of 1424	1116	koemv.exe	15
PID 1116 wrote to memory of 1424	1116	koemv.exe	15
PID 1116 wrote to memory of 1424	1116	koemv.exe	15
PID 1116 wrote to memory of 1424	1116	koemv.exe	15
PID 1116 wrote to memory of 1424	1116	koemv.exe	15
PID 1116 wrote to memory of 1492	1116	koemv.exe	26
PID 1116 wrote to memory of 1492	1116	koemv.exe	26
PID 1116 wrote to memory of 1492	1116	koemv.exe	26
PID 1116 wrote to memory of 1492	1116	koemv.exe	26
PID 1116 wrote to memory of 1492	1116	koemv.exe	26
PID 1492 wrote to memory of 1556	1492	f8ab626ae9cbb86a1e9f9a1974a6b4034b5b528e0631895cde8ccb1a0fd49cf0.exe	28
PID 1492 wrote to memory of 1556	1492	f8ab626ae9cbb86a1e9f9a1974a6b4034b5b528e0631895cde8ccb1a0fd49cf0.exe	28
PID 1492 wrote to memory of 1556	1492	f8ab626ae9cbb86a1e9f9a1974a6b4034b5b528e0631895cde8ccb1a0fd49cf0.exe	28
PID 1492 wrote to memory of 1556	1492	f8ab626ae9cbb86a1e9f9a1974a6b4034b5b528e0631895cde8ccb1a0fd49cf0.exe	28
PID 1492 wrote to memory of 1556	1492	f8ab626ae9cbb86a1e9f9a1974a6b4034b5b528e0631895cde8ccb1a0fd49cf0.exe	28
PID 1492 wrote to memory of 1556	1492	f8ab626ae9cbb86a1e9f9a1974a6b4034b5b528e0631895cde8ccb1a0fd49cf0.exe	28
PID 1492 wrote to memory of 1556	1492	f8ab626ae9cbb86a1e9f9a1974a6b4034b5b528e0631895cde8ccb1a0fd49cf0.exe	28
PID 1492 wrote to memory of 1556	1492	f8ab626ae9cbb86a1e9f9a1974a6b4034b5b528e0631895cde8ccb1a0fd49cf0.exe	28
PID 1492 wrote to memory of 1556	1492	f8ab626ae9cbb86a1e9f9a1974a6b4034b5b528e0631895cde8ccb1a0fd49cf0.exe	28

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1424
- C:\Users\Admin\AppData\Local\Temp\f8ab626ae9cbb86a1e9f9a1974a6b4034b5b528e0631895cde8ccb1a0fd49cf0.exe
  "C:\Users\Admin\AppData\Local\Temp\f8ab626ae9cbb86a1e9f9a1974a6b4034b5b528e0631895cde8ccb1a0fd49cf0.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1492
- - C:\Users\Admin\AppData\Roaming\Wiibxi\koemv.exe
    "C:\Users\Admin\AppData\Roaming\Wiibxi\koemv.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1116
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\RDADFD1.bat"
    3⤵
    - Deletes itself
    PID:1556

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1396

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1280

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RDADFD1.bat

Filesize
303B

MD5
3cb1f04e8caaf1f1babe8f52f7902ee3

SHA1
ca0b89baca278d7f12044f2f3da9de92714ce3aa

SHA256
459e835737b1cb866d574f03a018b4233ca3906709478c7d5327841bae5126d4

SHA512
772c1d65c317e6ec8a5e66678ba51a9fd01d76d0b73b7f232b6c57e07152e437a9118d544fe65c803640186726eef06a7e75a31f0b332c171107020b819efe71

Download Submit
C:\Users\Admin\AppData\Roaming\Wiibxi\koemv.exe

Filesize
294KB

MD5
c5b3c51a03b2bc5640c1431a15e4f1a5

SHA1
6fbdf3628a9905d022a31f429d71294c62f53bdd

SHA256
93961f5b4ac0ca1e0e929988db9ce10244d12e22c8c4d3d460ebbcd4115d1842

SHA512
121f794d42e1c117be0da10a879332a15375b1be17d96fe803ddc625558411d130a604005ecdedef70d62f8760839737d76a7054218878bb258ca813ec1ee2b3

Download Submit
C:\Users\Admin\AppData\Roaming\Wiibxi\koemv.exe

Filesize
294KB

MD5
c5b3c51a03b2bc5640c1431a15e4f1a5

SHA1
6fbdf3628a9905d022a31f429d71294c62f53bdd

SHA256
93961f5b4ac0ca1e0e929988db9ce10244d12e22c8c4d3d460ebbcd4115d1842

SHA512
121f794d42e1c117be0da10a879332a15375b1be17d96fe803ddc625558411d130a604005ecdedef70d62f8760839737d76a7054218878bb258ca813ec1ee2b3

Download Submit
\Users\Admin\AppData\Roaming\Wiibxi\koemv.exe

Filesize
294KB

MD5
c5b3c51a03b2bc5640c1431a15e4f1a5

SHA1
6fbdf3628a9905d022a31f429d71294c62f53bdd

SHA256
93961f5b4ac0ca1e0e929988db9ce10244d12e22c8c4d3d460ebbcd4115d1842

SHA512
121f794d42e1c117be0da10a879332a15375b1be17d96fe803ddc625558411d130a604005ecdedef70d62f8760839737d76a7054218878bb258ca813ec1ee2b3

Download Submit
\Users\Admin\AppData\Roaming\Wiibxi\koemv.exe

Filesize
294KB

MD5
c5b3c51a03b2bc5640c1431a15e4f1a5

SHA1
6fbdf3628a9905d022a31f429d71294c62f53bdd

SHA256
93961f5b4ac0ca1e0e929988db9ce10244d12e22c8c4d3d460ebbcd4115d1842

SHA512
121f794d42e1c117be0da10a879332a15375b1be17d96fe803ddc625558411d130a604005ecdedef70d62f8760839737d76a7054218878bb258ca813ec1ee2b3

Download Submit
memory/1116-62-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1280-65-0x0000000001D70000-0x0000000001DB8000-memory.dmp

Filesize
288KB

Download
memory/1280-67-0x0000000001D70000-0x0000000001DB8000-memory.dmp

Filesize
288KB

Download
memory/1280-68-0x0000000001D70000-0x0000000001DB8000-memory.dmp

Filesize
288KB

Download
memory/1280-70-0x0000000001D70000-0x0000000001DB8000-memory.dmp

Filesize
288KB

Download
memory/1280-69-0x0000000001D70000-0x0000000001DB8000-memory.dmp

Filesize
288KB

Download
memory/1396-73-0x0000000001AD0000-0x0000000001B18000-memory.dmp

Filesize
288KB

Download
memory/1396-74-0x0000000001AD0000-0x0000000001B18000-memory.dmp

Filesize
288KB

Download
memory/1396-76-0x0000000001AD0000-0x0000000001B18000-memory.dmp

Filesize
288KB

Download
memory/1396-75-0x0000000001AD0000-0x0000000001B18000-memory.dmp

Filesize
288KB

Download
memory/1424-82-0x0000000003A00000-0x0000000003A48000-memory.dmp

Filesize
288KB

Download
memory/1424-80-0x0000000003A00000-0x0000000003A48000-memory.dmp

Filesize
288KB

Download
memory/1424-79-0x0000000003A00000-0x0000000003A48000-memory.dmp

Filesize
288KB

Download
memory/1424-81-0x0000000003A00000-0x0000000003A48000-memory.dmp

Filesize
288KB

Download
memory/1492-86-0x00000000023B0000-0x00000000023F8000-memory.dmp

Filesize
288KB

Download
memory/1492-90-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/1492-55-0x0000000000401000-0x0000000000441000-memory.dmp

Filesize
256KB

Download
memory/1492-85-0x00000000023B0000-0x00000000023F8000-memory.dmp

Filesize
288KB

Download
memory/1492-87-0x00000000023B0000-0x00000000023F8000-memory.dmp

Filesize
288KB

Download
memory/1492-88-0x00000000023B0000-0x00000000023F8000-memory.dmp

Filesize
288KB

Download
memory/1492-89-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/1492-103-0x00000000023B0000-0x00000000023F8000-memory.dmp

Filesize
288KB

Download
memory/1492-91-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/1492-92-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/1492-93-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/1492-94-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/1492-54-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1492-56-0x0000000076BA1000-0x0000000076BA3000-memory.dmp

Filesize
8KB

Download
memory/1556-100-0x0000000000210000-0x0000000000258000-memory.dmp

Filesize
288KB

Download
memory/1556-101-0x0000000000210000-0x0000000000258000-memory.dmp

Filesize
288KB

Download
memory/1556-99-0x0000000000210000-0x0000000000258000-memory.dmp

Filesize
288KB

Download
memory/1556-105-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/1556-106-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/1556-107-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/1556-108-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/1556-109-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/1556-110-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/1556-111-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/1556-97-0x0000000000210000-0x0000000000258000-memory.dmp

Filesize
288KB

Download
memory/1556-113-0x0000000000210000-0x0000000000258000-memory.dmp

Filesize
288KB

Download