e8782ceb49f1fe55510c907ad7c95601a89e7fd9ba6f0859c5cc9fd436772d8c

Analysis

max time kernel
70s
max time network
127s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
04/01/2024, 14:17

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General

Target

41151e1d13fe8f835b06c5b6538df69f.exe
Size

178KB
MD5

41151e1d13fe8f835b06c5b6538df69f
SHA1

87b504c9840891412e36884bf351fee4b12ab546
SHA256

e8782ceb49f1fe55510c907ad7c95601a89e7fd9ba6f0859c5cc9fd436772d8c
SHA512

c1d275b11502eeeb99b48b8063e2b8d27898b129bb6dd469d358b1ab396fb69d7a3bcb055eb6a88fc96a95a3c51eeb58ec33cbdc1486390992ce4d2957b2c48d
SSDEEP

3072:2wjmK0lZmJAQcD9sBNI9wMsxjhIPYDDlqdLv45q/yXs30rzqQ/vEEfjMvR:2bNWY9SIuMUhIPAqdLvuooGQnFM5

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
2872	ctfmon.exe
2412	300186c696818226368e927051ab1f357b60c.exe
340	csrss.exe

Loads dropped DLL 10 IoCs

pid	Process
2936	41151e1d13fe8f835b06c5b6538df69f.exe
2936	41151e1d13fe8f835b06c5b6538df69f.exe
2872	ctfmon.exe
2872	ctfmon.exe
2872	ctfmon.exe
2936	41151e1d13fe8f835b06c5b6538df69f.exe
2936	41151e1d13fe8f835b06c5b6538df69f.exe
2412	300186c696818226368e927051ab1f357b60c.exe
2412	300186c696818226368e927051ab1f357b60c.exe
2412	300186c696818226368e927051ab1f357b60c.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	\systemroot\assembly\GAC_64\Desktop.ini	csrss.exe
File created	\systemroot\assembly\GAC_32\Desktop.ini	csrss.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2412	300186c696818226368e927051ab1f357b60c.exe
2412	300186c696818226368e927051ab1f357b60c.exe
2412	300186c696818226368e927051ab1f357b60c.exe
2412	300186c696818226368e927051ab1f357b60c.exe
340	csrss.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2412	300186c696818226368e927051ab1f357b60c.exe
Token: SeDebugPrivilege	2412	300186c696818226368e927051ab1f357b60c.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
340	csrss.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2936 wrote to memory of 2872	2936	41151e1d13fe8f835b06c5b6538df69f.exe	18
PID 2936 wrote to memory of 2872	2936	41151e1d13fe8f835b06c5b6538df69f.exe	18
PID 2936 wrote to memory of 2872	2936	41151e1d13fe8f835b06c5b6538df69f.exe	18
PID 2936 wrote to memory of 2872	2936	41151e1d13fe8f835b06c5b6538df69f.exe	18
PID 2936 wrote to memory of 2872	2936	41151e1d13fe8f835b06c5b6538df69f.exe	18
PID 2936 wrote to memory of 2872	2936	41151e1d13fe8f835b06c5b6538df69f.exe	18
PID 2936 wrote to memory of 2872	2936	41151e1d13fe8f835b06c5b6538df69f.exe	18
PID 2936 wrote to memory of 2412	2936	41151e1d13fe8f835b06c5b6538df69f.exe	29
PID 2936 wrote to memory of 2412	2936	41151e1d13fe8f835b06c5b6538df69f.exe	29
PID 2936 wrote to memory of 2412	2936	41151e1d13fe8f835b06c5b6538df69f.exe	29
PID 2936 wrote to memory of 2412	2936	41151e1d13fe8f835b06c5b6538df69f.exe	29
PID 2936 wrote to memory of 2412	2936	41151e1d13fe8f835b06c5b6538df69f.exe	29
PID 2936 wrote to memory of 2412	2936	41151e1d13fe8f835b06c5b6538df69f.exe	29
PID 2936 wrote to memory of 2412	2936	41151e1d13fe8f835b06c5b6538df69f.exe	29
PID 2412 wrote to memory of 1380	2412	300186c696818226368e927051ab1f357b60c.exe	7
PID 2412 wrote to memory of 340	2412	300186c696818226368e927051ab1f357b60c.exe	27
PID 2412 wrote to memory of 2840	2412	300186c696818226368e927051ab1f357b60c.exe	30
PID 2412 wrote to memory of 2840	2412	300186c696818226368e927051ab1f357b60c.exe	30
PID 2412 wrote to memory of 2840	2412	300186c696818226368e927051ab1f357b60c.exe	30
PID 2412 wrote to memory of 2840	2412	300186c696818226368e927051ab1f357b60c.exe	30
PID 2412 wrote to memory of 2840	2412	300186c696818226368e927051ab1f357b60c.exe	30
PID 2412 wrote to memory of 2840	2412	300186c696818226368e927051ab1f357b60c.exe	30
PID 2412 wrote to memory of 2840	2412	300186c696818226368e927051ab1f357b60c.exe	30
PID 340 wrote to memory of 1456	340	csrss.exe	31
PID 340 wrote to memory of 1456	340	csrss.exe	31
PID 340 wrote to memory of 2844	340	csrss.exe	32
PID 340 wrote to memory of 2844	340	csrss.exe	32
PID 340 wrote to memory of 864	340	csrss.exe	15

C:\Users\Admin\AppData\Local\Temp\41151e1d13fe8f835b06c5b6538df69f.exe
"C:\Users\Admin\AppData\Local\Temp\41151e1d13fe8f835b06c5b6538df69f.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2936
- C:\Users\Admin\AppData\Local\Temp\nsi7B0.tmp\ctfmon.exe
  "C:\Users\Admin\AppData\Local\Temp\nsi7B0.tmp\ctfmon.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2872
- C:\Users\Admin\AppData\Local\Temp\nsi7B0.tmp\300186c696818226368e927051ab1f357b60c.exe
  "C:\Users\Admin\AppData\Local\Temp\nsi7B0.tmp\300186c696818226368e927051ab1f357b60c.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2412
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe"
    3⤵
    PID:2840

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1380

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs
1⤵
PID:864
- C:\Windows\system32\wbem\WMIADAP.EXE
  wmiadap.exe /F /T /R
  2⤵
  PID:1456

C:\Windows\system32\csrss.exe
%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
1⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:340

C:\Windows\system32\wbem\wmiprvse.exe
C:\Windows\system32\wbem\wmiprvse.exe -Embedding
1⤵
PID:2844

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/340-50-0x00000000022C0000-0x00000000022D1000-memory.dmp

Filesize
68KB

Download
memory/340-53-0x00000000022C0000-0x00000000022D1000-memory.dmp

Filesize
68KB

Download
memory/340-45-0x0000000000E50000-0x0000000000E51000-memory.dmp

Filesize
4KB

Download
memory/340-47-0x00000000022C0000-0x00000000022D1000-memory.dmp

Filesize
68KB

Download
memory/864-65-0x0000000000EE0000-0x0000000000EEB000-memory.dmp

Filesize
44KB

Download
memory/864-55-0x0000000000E50000-0x0000000000E5B000-memory.dmp

Filesize
44KB

Download
memory/864-74-0x0000000000EE0000-0x0000000000EEB000-memory.dmp

Filesize
44KB

Download
memory/864-56-0x0000000000E40000-0x0000000000E48000-memory.dmp

Filesize
32KB

Download
memory/864-60-0x0000000000E50000-0x0000000000E5B000-memory.dmp

Filesize
44KB

Download
memory/864-64-0x0000000000E50000-0x0000000000E5B000-memory.dmp

Filesize
44KB

Download
memory/864-67-0x0000000000EE0000-0x0000000000EEB000-memory.dmp

Filesize
44KB

Download
memory/1380-35-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1380-31-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/1380-40-0x0000000002E00000-0x0000000002E02000-memory.dmp

Filesize
8KB

Download
memory/1380-39-0x0000000002E10000-0x0000000002E16000-memory.dmp

Filesize
24KB

Download
memory/2412-29-0x00000000002E0000-0x000000000030A000-memory.dmp

Filesize
168KB

Download
memory/2412-51-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2412-52-0x00000000002E0000-0x000000000030A000-memory.dmp

Filesize
168KB

Download
memory/2412-30-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2412-28-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download