79a9640a5963508a4ec0ee377e4279a9fefcb6ea9ffc32072944c8dee039d26b

Analysis

max time kernel
156s
max time network
167s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
07/12/2022, 03:58

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General

Target

79a9640a5963508a4ec0ee377e4279a9fefcb6ea9ffc32072944c8dee039d26b.exe
Size

303KB
MD5

0670f593b0bb7eede65397c7cf0562c6
SHA1

ad6a176cc9d3b860f9784f627c0a96f856b9b394
SHA256

79a9640a5963508a4ec0ee377e4279a9fefcb6ea9ffc32072944c8dee039d26b
SHA512

d15c86c6968f7f6d4c18cd840729c3642edf56df846cfaf1b2334e515a9191d732cf1cd5a062314cc6a8f98c44ebed9e8747dc051ffc717236c78e65fa070573
SSDEEP

6144:zxDPnPsHhCeTcT3qA3H1+L0UCxx5Mr38U6TgRoRw4MziGybX2czYcCW9U1:zJPnPiT83qeHsL+75Mb8UrdNzTylzYc2

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1932	emtu.exe

Deletes itself 1 IoCs

pid	Process
1924	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
1116	79a9640a5963508a4ec0ee377e4279a9fefcb6ea9ffc32072944c8dee039d26b.exe
1116	79a9640a5963508a4ec0ee377e4279a9fefcb6ea9ffc32072944c8dee039d26b.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	emtu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Emtu = "C:\\Users\\Admin\\AppData\\Roaming\\Zuet\\emtu.exe"	emtu.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1116 set thread context of 1924	1116	79a9640a5963508a4ec0ee377e4279a9fefcb6ea9ffc32072944c8dee039d26b.exe	29

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
1932	emtu.exe
1932	emtu.exe
1932	emtu.exe
1932	emtu.exe
1932	emtu.exe
1932	emtu.exe
1932	emtu.exe
1932	emtu.exe
1932	emtu.exe
1932	emtu.exe
1932	emtu.exe
1932	emtu.exe
1932	emtu.exe
1932	emtu.exe
1932	emtu.exe
1932	emtu.exe
1932	emtu.exe
1932	emtu.exe
1932	emtu.exe
1932	emtu.exe
1932	emtu.exe
1932	emtu.exe
1932	emtu.exe
1932	emtu.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1116 wrote to memory of 1932	1116	79a9640a5963508a4ec0ee377e4279a9fefcb6ea9ffc32072944c8dee039d26b.exe	27
PID 1116 wrote to memory of 1932	1116	79a9640a5963508a4ec0ee377e4279a9fefcb6ea9ffc32072944c8dee039d26b.exe	27
PID 1116 wrote to memory of 1932	1116	79a9640a5963508a4ec0ee377e4279a9fefcb6ea9ffc32072944c8dee039d26b.exe	27
PID 1116 wrote to memory of 1932	1116	79a9640a5963508a4ec0ee377e4279a9fefcb6ea9ffc32072944c8dee039d26b.exe	27
PID 1932 wrote to memory of 1248	1932	emtu.exe	17
PID 1932 wrote to memory of 1248	1932	emtu.exe	17
PID 1932 wrote to memory of 1248	1932	emtu.exe	17
PID 1932 wrote to memory of 1248	1932	emtu.exe	17
PID 1932 wrote to memory of 1248	1932	emtu.exe	17
PID 1932 wrote to memory of 1360	1932	emtu.exe	16
PID 1932 wrote to memory of 1360	1932	emtu.exe	16
PID 1932 wrote to memory of 1360	1932	emtu.exe	16
PID 1932 wrote to memory of 1360	1932	emtu.exe	16
PID 1932 wrote to memory of 1360	1932	emtu.exe	16
PID 1932 wrote to memory of 1392	1932	emtu.exe	9
PID 1932 wrote to memory of 1392	1932	emtu.exe	9
PID 1932 wrote to memory of 1392	1932	emtu.exe	9
PID 1932 wrote to memory of 1392	1932	emtu.exe	9
PID 1932 wrote to memory of 1392	1932	emtu.exe	9
PID 1932 wrote to memory of 1116	1932	emtu.exe	15
PID 1932 wrote to memory of 1116	1932	emtu.exe	15
PID 1932 wrote to memory of 1116	1932	emtu.exe	15
PID 1932 wrote to memory of 1116	1932	emtu.exe	15
PID 1932 wrote to memory of 1116	1932	emtu.exe	15
PID 1116 wrote to memory of 1924	1116	79a9640a5963508a4ec0ee377e4279a9fefcb6ea9ffc32072944c8dee039d26b.exe	29
PID 1116 wrote to memory of 1924	1116	79a9640a5963508a4ec0ee377e4279a9fefcb6ea9ffc32072944c8dee039d26b.exe	29
PID 1116 wrote to memory of 1924	1116	79a9640a5963508a4ec0ee377e4279a9fefcb6ea9ffc32072944c8dee039d26b.exe	29
PID 1116 wrote to memory of 1924	1116	79a9640a5963508a4ec0ee377e4279a9fefcb6ea9ffc32072944c8dee039d26b.exe	29
PID 1116 wrote to memory of 1924	1116	79a9640a5963508a4ec0ee377e4279a9fefcb6ea9ffc32072944c8dee039d26b.exe	29
PID 1116 wrote to memory of 1924	1116	79a9640a5963508a4ec0ee377e4279a9fefcb6ea9ffc32072944c8dee039d26b.exe	29
PID 1116 wrote to memory of 1924	1116	79a9640a5963508a4ec0ee377e4279a9fefcb6ea9ffc32072944c8dee039d26b.exe	29
PID 1116 wrote to memory of 1924	1116	79a9640a5963508a4ec0ee377e4279a9fefcb6ea9ffc32072944c8dee039d26b.exe	29
PID 1116 wrote to memory of 1924	1116	79a9640a5963508a4ec0ee377e4279a9fefcb6ea9ffc32072944c8dee039d26b.exe	29

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1392
- C:\Users\Admin\AppData\Local\Temp\79a9640a5963508a4ec0ee377e4279a9fefcb6ea9ffc32072944c8dee039d26b.exe
  "C:\Users\Admin\AppData\Local\Temp\79a9640a5963508a4ec0ee377e4279a9fefcb6ea9ffc32072944c8dee039d26b.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1116
- - C:\Users\Admin\AppData\Roaming\Zuet\emtu.exe
    "C:\Users\Admin\AppData\Roaming\Zuet\emtu.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1932
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\SLTDB93.bat"
    3⤵
    - Deletes itself
    PID:1924

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1360

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1248

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\SLTDB93.bat

Filesize
303B

MD5
7e2bd815362fc6e5620259d48ad2349c

SHA1
0720b54fbe9aaf94265dc4f5a8fe9845c9ab6ac8

SHA256
b10f7b741725cb63a3df22475b0fcb51c5fc120b01598682b10a809816f0d8ae

SHA512
734a9cdd0fbca0f26540120a3460ca41c78b9ea3e20954440b4341a0bf1732083d6ebd9e59e577dc2d1a0040fbb4b8a94a0563236f48c9fce4931accf9b1d89f

Download Submit
C:\Users\Admin\AppData\Roaming\Zuet\emtu.exe

Filesize
303KB

MD5
09d9a0e8d2cf838e7423d179b77e7714

SHA1
e3860cda84dd61b5d86a14c58a141fbceba3b78d

SHA256
0802e14bf8df12e89dc5b9a4a9a224fd162da5d44a7a896d98b28c28ee1e2c82

SHA512
02526d4d2e6bc26b4e948b56ef4f18a60eaad1ac9d3f9c8bfd88c3250fd937dbcb5687851c044821da1b174071e597cf2f384b8421f9cb074a217dc5745dee76

Download Submit
C:\Users\Admin\AppData\Roaming\Zuet\emtu.exe

Filesize
303KB

MD5
09d9a0e8d2cf838e7423d179b77e7714

SHA1
e3860cda84dd61b5d86a14c58a141fbceba3b78d

SHA256
0802e14bf8df12e89dc5b9a4a9a224fd162da5d44a7a896d98b28c28ee1e2c82

SHA512
02526d4d2e6bc26b4e948b56ef4f18a60eaad1ac9d3f9c8bfd88c3250fd937dbcb5687851c044821da1b174071e597cf2f384b8421f9cb074a217dc5745dee76

Download Submit
\Users\Admin\AppData\Roaming\Zuet\emtu.exe

Filesize
303KB

MD5
09d9a0e8d2cf838e7423d179b77e7714

SHA1
e3860cda84dd61b5d86a14c58a141fbceba3b78d

SHA256
0802e14bf8df12e89dc5b9a4a9a224fd162da5d44a7a896d98b28c28ee1e2c82

SHA512
02526d4d2e6bc26b4e948b56ef4f18a60eaad1ac9d3f9c8bfd88c3250fd937dbcb5687851c044821da1b174071e597cf2f384b8421f9cb074a217dc5745dee76

Download Submit
\Users\Admin\AppData\Roaming\Zuet\emtu.exe

Filesize
303KB

MD5
09d9a0e8d2cf838e7423d179b77e7714

SHA1
e3860cda84dd61b5d86a14c58a141fbceba3b78d

SHA256
0802e14bf8df12e89dc5b9a4a9a224fd162da5d44a7a896d98b28c28ee1e2c82

SHA512
02526d4d2e6bc26b4e948b56ef4f18a60eaad1ac9d3f9c8bfd88c3250fd937dbcb5687851c044821da1b174071e597cf2f384b8421f9cb074a217dc5745dee76

Download Submit
memory/1116-87-0x0000000001D60000-0x0000000001DA9000-memory.dmp

Filesize
292KB

Download
memory/1116-94-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/1116-56-0x0000000000401000-0x0000000000442000-memory.dmp

Filesize
260KB

Download
memory/1116-54-0x00000000758B1000-0x00000000758B3000-memory.dmp

Filesize
8KB

Download
memory/1116-85-0x0000000001D60000-0x0000000001DA9000-memory.dmp

Filesize
292KB

Download
memory/1116-103-0x0000000001D60000-0x0000000001DA9000-memory.dmp

Filesize
292KB

Download
memory/1116-86-0x0000000001D60000-0x0000000001DA9000-memory.dmp

Filesize
292KB

Download
memory/1116-88-0x0000000001D60000-0x0000000001DA9000-memory.dmp

Filesize
292KB

Download
memory/1116-93-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/1116-55-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1116-92-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/1116-91-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/1116-90-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/1116-89-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/1248-69-0x00000000002B0000-0x00000000002F9000-memory.dmp

Filesize
292KB

Download
memory/1248-65-0x00000000002B0000-0x00000000002F9000-memory.dmp

Filesize
292KB

Download
memory/1248-68-0x00000000002B0000-0x00000000002F9000-memory.dmp

Filesize
292KB

Download
memory/1248-67-0x00000000002B0000-0x00000000002F9000-memory.dmp

Filesize
292KB

Download
memory/1248-70-0x00000000002B0000-0x00000000002F9000-memory.dmp

Filesize
292KB

Download
memory/1360-76-0x00000000002B0000-0x00000000002F9000-memory.dmp

Filesize
292KB

Download
memory/1392-80-0x0000000002A40000-0x0000000002A89000-memory.dmp

Filesize
292KB

Download
memory/1392-81-0x0000000002A40000-0x0000000002A89000-memory.dmp

Filesize
292KB

Download
memory/1392-82-0x0000000002A40000-0x0000000002A89000-memory.dmp

Filesize
292KB

Download
memory/1392-79-0x0000000002A40000-0x0000000002A89000-memory.dmp

Filesize
292KB

Download
memory/1924-112-0x0000000000050000-0x0000000000099000-memory.dmp

Filesize
292KB

Download
memory/1924-110-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/1924-99-0x0000000000050000-0x0000000000099000-memory.dmp

Filesize
292KB

Download
memory/1924-97-0x0000000000050000-0x0000000000099000-memory.dmp

Filesize
292KB

Download
memory/1924-101-0x0000000000050000-0x0000000000099000-memory.dmp

Filesize
292KB

Download
memory/1924-111-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/1924-100-0x0000000000050000-0x0000000000099000-memory.dmp

Filesize
292KB

Download
memory/1924-109-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/1924-108-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/1924-107-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/1924-106-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/1924-105-0x000000006FFF0000-0x0000000070000000-memory.dmp

Filesize
64KB

Download
memory/1924-114-0x0000000000050000-0x0000000000099000-memory.dmp

Filesize
292KB

Download