687809e071572866c02b4a70a1f44bedc8497a79cdf1af467a9b57d3abe5fb3c

Analysis

max time kernel
151s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
21/10/2023, 21:17

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General

Target

NEAS.3c101d481dc1283c3789f7d210a5ea30.exe
Size

124KB
MD5

3c101d481dc1283c3789f7d210a5ea30
SHA1

05cb82d4f529cc308442980a66409619bb9867ad
SHA256

687809e071572866c02b4a70a1f44bedc8497a79cdf1af467a9b57d3abe5fb3c
SHA512

54cd954603d8d1b5b9db77453e7234bcfb961db018925a574227728c9975065f7f0f1f8ab34e8d78d77e75a8aa72aecb24e52b0390e2fa039743a4d887176cb1
SSDEEP

3072:nS6eWjnFO6q+7kEEbXExseoeHqHpOcdElGIrGMhF:SQrFO6q+hIXExbn

Score

10^/10

evasion persistence

Malware Config

Signatures

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

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-356073083-3299209671-3108880702-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	lttus.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-356073083-3299209671-3108880702-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	NEAS.3c101d481dc1283c3789f7d210a5ea30.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-1-5-21-356073083-3299209671-3108880702-1000\Control Panel\International\Geo\Nation	NEAS.3c101d481dc1283c3789f7d210a5ea30.exe

Executes dropped EXE 2 IoCs

pid	Process
212	lttus.exe
1144	lttus.exe

Adds Run key to start application 2 TTPs 27 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-356073083-3299209671-3108880702-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lttus = "C:\\Users\\Admin\\lttus.exe /u"	lttus.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-356073083-3299209671-3108880702-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lttus = "C:\\Users\\Admin\\lttus.exe /e"	lttus.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-356073083-3299209671-3108880702-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lttus = "C:\\Users\\Admin\\lttus.exe /k"	lttus.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-356073083-3299209671-3108880702-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lttus = "C:\\Users\\Admin\\lttus.exe /a"	lttus.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-356073083-3299209671-3108880702-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lttus = "C:\\Users\\Admin\\lttus.exe /w"	lttus.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-356073083-3299209671-3108880702-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lttus = "C:\\Users\\Admin\\lttus.exe /p"	NEAS.3c101d481dc1283c3789f7d210a5ea30.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-356073083-3299209671-3108880702-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lttus = "C:\\Users\\Admin\\lttus.exe /d"	lttus.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-356073083-3299209671-3108880702-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lttus = "C:\\Users\\Admin\\lttus.exe /q"	lttus.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-356073083-3299209671-3108880702-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lttus = "C:\\Users\\Admin\\lttus.exe /c"	lttus.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-356073083-3299209671-3108880702-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lttus = "C:\\Users\\Admin\\lttus.exe /g"	lttus.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-356073083-3299209671-3108880702-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lttus = "C:\\Users\\Admin\\lttus.exe /t"	lttus.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-356073083-3299209671-3108880702-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lttus = "C:\\Users\\Admin\\lttus.exe /v"	lttus.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-356073083-3299209671-3108880702-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lttus = "C:\\Users\\Admin\\lttus.exe /f"	lttus.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-356073083-3299209671-3108880702-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lttus = "C:\\Users\\Admin\\lttus.exe /b"	lttus.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-356073083-3299209671-3108880702-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lttus = "C:\\Users\\Admin\\lttus.exe /i"	lttus.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-356073083-3299209671-3108880702-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lttus = "C:\\Users\\Admin\\lttus.exe /z"	lttus.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-356073083-3299209671-3108880702-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lttus = "C:\\Users\\Admin\\lttus.exe /r"	lttus.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-356073083-3299209671-3108880702-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lttus = "C:\\Users\\Admin\\lttus.exe /n"	lttus.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-356073083-3299209671-3108880702-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lttus = "C:\\Users\\Admin\\lttus.exe /y"	lttus.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-356073083-3299209671-3108880702-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lttus = "C:\\Users\\Admin\\lttus.exe /j"	lttus.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-356073083-3299209671-3108880702-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lttus = "C:\\Users\\Admin\\lttus.exe /p"	lttus.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-356073083-3299209671-3108880702-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lttus = "C:\\Users\\Admin\\lttus.exe /m"	lttus.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-356073083-3299209671-3108880702-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lttus = "C:\\Users\\Admin\\lttus.exe /s"	lttus.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-356073083-3299209671-3108880702-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lttus = "C:\\Users\\Admin\\lttus.exe /o"	lttus.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-356073083-3299209671-3108880702-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lttus = "C:\\Users\\Admin\\lttus.exe /h"	lttus.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-356073083-3299209671-3108880702-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lttus = "C:\\Users\\Admin\\lttus.exe /x"	lttus.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-356073083-3299209671-3108880702-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lttus = "C:\\Users\\Admin\\lttus.exe /l"	lttus.exe

Maps connected drives based on registry 3 TTPs 4 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	NEAS.3c101d481dc1283c3789f7d210a5ea30.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	lttus.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	lttus.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	NEAS.3c101d481dc1283c3789f7d210a5ea30.exe

Drops autorun.inf file 1 TTPs 1 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File opened for modification	C:\Users\Admin\c\autorun.inf	lttus.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1228 set thread context of 828	1228	NEAS.3c101d481dc1283c3789f7d210a5ea30.exe	86
PID 212 set thread context of 1144	212	lttus.exe	88

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
828	NEAS.3c101d481dc1283c3789f7d210a5ea30.exe
828	NEAS.3c101d481dc1283c3789f7d210a5ea30.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe
1144	lttus.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1228	NEAS.3c101d481dc1283c3789f7d210a5ea30.exe
828	NEAS.3c101d481dc1283c3789f7d210a5ea30.exe
212	lttus.exe
1144	lttus.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1228 wrote to memory of 828	1228	NEAS.3c101d481dc1283c3789f7d210a5ea30.exe	86
PID 1228 wrote to memory of 828	1228	NEAS.3c101d481dc1283c3789f7d210a5ea30.exe	86
PID 1228 wrote to memory of 828	1228	NEAS.3c101d481dc1283c3789f7d210a5ea30.exe	86
PID 1228 wrote to memory of 828	1228	NEAS.3c101d481dc1283c3789f7d210a5ea30.exe	86
PID 1228 wrote to memory of 828	1228	NEAS.3c101d481dc1283c3789f7d210a5ea30.exe	86
PID 1228 wrote to memory of 828	1228	NEAS.3c101d481dc1283c3789f7d210a5ea30.exe	86
PID 1228 wrote to memory of 828	1228	NEAS.3c101d481dc1283c3789f7d210a5ea30.exe	86
PID 1228 wrote to memory of 828	1228	NEAS.3c101d481dc1283c3789f7d210a5ea30.exe	86
PID 1228 wrote to memory of 828	1228	NEAS.3c101d481dc1283c3789f7d210a5ea30.exe	86
PID 828 wrote to memory of 212	828	NEAS.3c101d481dc1283c3789f7d210a5ea30.exe	87
PID 828 wrote to memory of 212	828	NEAS.3c101d481dc1283c3789f7d210a5ea30.exe	87
PID 828 wrote to memory of 212	828	NEAS.3c101d481dc1283c3789f7d210a5ea30.exe	87
PID 212 wrote to memory of 1144	212	lttus.exe	88
PID 212 wrote to memory of 1144	212	lttus.exe	88
PID 212 wrote to memory of 1144	212	lttus.exe	88
PID 212 wrote to memory of 1144	212	lttus.exe	88
PID 212 wrote to memory of 1144	212	lttus.exe	88
PID 212 wrote to memory of 1144	212	lttus.exe	88
PID 212 wrote to memory of 1144	212	lttus.exe	88
PID 212 wrote to memory of 1144	212	lttus.exe	88
PID 212 wrote to memory of 1144	212	lttus.exe	88

C:\Users\Admin\AppData\Local\Temp\NEAS.3c101d481dc1283c3789f7d210a5ea30.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.3c101d481dc1283c3789f7d210a5ea30.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1228
- C:\Users\Admin\AppData\Local\Temp\NEAS.3c101d481dc1283c3789f7d210a5ea30.exe
  78
  2⤵
  - Modifies visiblity of hidden/system files in Explorer
  - Checks computer location settings
  - Adds Run key to start application
  - Maps connected drives based on registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:828
- - C:\Users\Admin\lttus.exe
    "C:\Users\Admin\lttus.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:212
  - - C:\Users\Admin\lttus.exe
      78
      4⤵
      Modifies visiblity of hidden/system files in Explorer
      Executes dropped EXE
      Adds Run key to start application
      Maps connected drives based on registry
      Drops autorun.inf file
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of SetWindowsHookEx
      PID:1144

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

T1091

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

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Replication Through Removable Media

T1091

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\c\Passwords.exe

Filesize
124KB

MD5
d69182a630551ad4c2c56ea6e6b475f0

SHA1
47bb274932053dd327e2b5d11c1f9a1c8b82cbca

SHA256
0281635b35f1d84ca5adbffa5a0ef02868bab1555d4b6f98378a5c7034d8c5f0

SHA512
a67ac02e55308f6076770eb754f2a7398857597c9e3db4fd822ed303fcc3feef84c32308935e82eecbc19db2382b51afe9e17e158d311de734c5d69f9e18eb70

Download Submit
C:\Users\Admin\lttus.exe

Filesize
124KB

MD5
3c101d481dc1283c3789f7d210a5ea30

SHA1
05cb82d4f529cc308442980a66409619bb9867ad

SHA256
687809e071572866c02b4a70a1f44bedc8497a79cdf1af467a9b57d3abe5fb3c

SHA512
54cd954603d8d1b5b9db77453e7234bcfb961db018925a574227728c9975065f7f0f1f8ab34e8d78d77e75a8aa72aecb24e52b0390e2fa039743a4d887176cb1

Download Submit
C:\Users\Admin\lttus.exe

Filesize
124KB

MD5
3c101d481dc1283c3789f7d210a5ea30

SHA1
05cb82d4f529cc308442980a66409619bb9867ad

SHA256
687809e071572866c02b4a70a1f44bedc8497a79cdf1af467a9b57d3abe5fb3c

SHA512
54cd954603d8d1b5b9db77453e7234bcfb961db018925a574227728c9975065f7f0f1f8ab34e8d78d77e75a8aa72aecb24e52b0390e2fa039743a4d887176cb1

Download Submit
C:\Users\Admin\lttus.exe

Filesize
124KB

MD5
3c101d481dc1283c3789f7d210a5ea30

SHA1
05cb82d4f529cc308442980a66409619bb9867ad

SHA256
687809e071572866c02b4a70a1f44bedc8497a79cdf1af467a9b57d3abe5fb3c

SHA512
54cd954603d8d1b5b9db77453e7234bcfb961db018925a574227728c9975065f7f0f1f8ab34e8d78d77e75a8aa72aecb24e52b0390e2fa039743a4d887176cb1

Download Submit
C:\Users\Admin\lttus.exe

Filesize
124KB

MD5
3c101d481dc1283c3789f7d210a5ea30

SHA1
05cb82d4f529cc308442980a66409619bb9867ad

SHA256
687809e071572866c02b4a70a1f44bedc8497a79cdf1af467a9b57d3abe5fb3c

SHA512
54cd954603d8d1b5b9db77453e7234bcfb961db018925a574227728c9975065f7f0f1f8ab34e8d78d77e75a8aa72aecb24e52b0390e2fa039743a4d887176cb1

Download Submit
memory/828-83-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/828-91-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/828-99-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/828-47-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/828-4-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/828-95-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/828-77-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/828-93-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/828-79-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/828-45-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/828-89-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/828-2-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/828-87-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/828-85-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1144-92-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1144-46-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1144-88-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1144-82-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1144-90-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1144-80-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1144-94-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1144-86-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1144-84-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1144-76-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1144-96-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1144-98-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1144-78-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/1144-100-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download