b8fd869fe2e52eed5fd49f87271c51e616ad3bb58205adcf44b6b248501e05b5

Analysis

max time kernel
150s
max time network
130s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30/12/2023, 05:22

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General

Target

0fe4857aff6f670e37930746eaf9dc06.exe
Size

592KB
MD5

0fe4857aff6f670e37930746eaf9dc06
SHA1

d865fa31c6bc0157106bebe9aad049469dc5db56
SHA256

b8fd869fe2e52eed5fd49f87271c51e616ad3bb58205adcf44b6b248501e05b5
SHA512

a7dd640da309f8714f5f054be6f9893522ec8b552f768d194b3ebfc1c3d559a19af12541db182ca47b351a9e33b93fb08e908cff220fd320133dbaf16b6a945d
SSDEEP

12288:WAHUM0Od8OnlGf/v2Lz8+dwE05azzsXqcEuqi3MIrtsWF/wSHw7Eq9GJFt:WAHUM0OdlGnveLdwZqzsacEVwPFX3J

Score

8^/10

persistence

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
6	2712	rundll32.exe

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Loads dropped DLL 14 IoCs

pid	Process
1740	rundll32.exe
1740	rundll32.exe
1740	rundll32.exe
1740	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2712	rundll32.exe
2712	rundll32.exe
2712	rundll32.exe
2712	rundll32.exe
2712	rundll32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\ctlmgr.dll_xserve = "rundll32.exe \"C:\\Windows\\SysWOW64\\ctlmgr.dll\",xserve"	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ctlmgr.dll	0fe4857aff6f670e37930746eaf9dc06.exe

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
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe
2524	rundll32.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 1740	2336	0fe4857aff6f670e37930746eaf9dc06.exe	3
PID 2336 wrote to memory of 1740	2336	0fe4857aff6f670e37930746eaf9dc06.exe	3
PID 2336 wrote to memory of 1740	2336	0fe4857aff6f670e37930746eaf9dc06.exe	3
PID 2336 wrote to memory of 1740	2336	0fe4857aff6f670e37930746eaf9dc06.exe	3
PID 2336 wrote to memory of 1740	2336	0fe4857aff6f670e37930746eaf9dc06.exe	3
PID 2336 wrote to memory of 1740	2336	0fe4857aff6f670e37930746eaf9dc06.exe	3
PID 2336 wrote to memory of 1740	2336	0fe4857aff6f670e37930746eaf9dc06.exe	3
PID 1740 wrote to memory of 2524	1740	rundll32.exe	2
PID 1740 wrote to memory of 2524	1740	rundll32.exe	2
PID 1740 wrote to memory of 2524	1740	rundll32.exe	2
PID 1740 wrote to memory of 2524	1740	rundll32.exe	2
PID 1740 wrote to memory of 2524	1740	rundll32.exe	2
PID 1740 wrote to memory of 2524	1740	rundll32.exe	2
PID 1740 wrote to memory of 2524	1740	rundll32.exe	2
PID 1740 wrote to memory of 2712	1740	rundll32.exe	1
PID 1740 wrote to memory of 2712	1740	rundll32.exe	1
PID 1740 wrote to memory of 2712	1740	rundll32.exe	1
PID 1740 wrote to memory of 2712	1740	rundll32.exe	1
PID 1740 wrote to memory of 2712	1740	rundll32.exe	1
PID 1740 wrote to memory of 2712	1740	rundll32.exe	1
PID 1740 wrote to memory of 2712	1740	rundll32.exe	1

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\System32\rundll32.exe" "C:\Windows\system32\ctlmgr.dll",xserve
1⤵
- Blocklisted process makes network request
- Loads dropped DLL
PID:2712

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\System32\rundll32.exe" "C:\Windows\system32\ctlmgr.dll",watch
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:2524

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe "C:\Windows\system32\ctlmgr.dll",install
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1740

C:\Users\Admin\AppData\Local\Temp\0fe4857aff6f670e37930746eaf9dc06.exe
"C:\Users\Admin\AppData\Local\Temp\0fe4857aff6f670e37930746eaf9dc06.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2336

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Windows\SysWOW64\ctlmgr.dll

Filesize
477KB

MD5
a468eb42c1f99ecf8e6ca64e1451095f

SHA1
80ec76b2b785143022206edc9004a45bb0ea1ec4

SHA256
50e48a5e581536554642793d283ac77ac1aaca49864591c79b0881db9101729b

SHA512
23f0ecf26e4d56b1cd43379bd009eb688d76b85731ef219e4e1cfd8a4dae87735940dca4b831c4f2f6599daf0137bdfdabaa538fc5b27e6114f2c721f2e7d73d

Download Submit
memory/1740-9-0x0000000074E00000-0x0000000074F07000-memory.dmp

Filesize
1.0MB

Download
memory/1740-8-0x00000000006C0000-0x00000000007C0000-memory.dmp

Filesize
1024KB

Download
memory/2336-43-0x0000000000400000-0x0000000000496000-memory.dmp

Filesize
600KB

Download
memory/2336-0-0x0000000000400000-0x0000000000496000-memory.dmp

Filesize
600KB

Download
memory/2336-1-0x0000000000220000-0x0000000000320000-memory.dmp

Filesize
1024KB

Download
memory/2524-46-0x0000000074E00000-0x0000000074F07000-memory.dmp

Filesize
1.0MB

Download
memory/2524-14-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

Download
memory/2524-23-0x0000000002010000-0x0000000002110000-memory.dmp

Filesize
1024KB

Download
memory/2524-24-0x00000000009B0000-0x0000000000AB7000-memory.dmp

Filesize
1.0MB

Download
memory/2524-47-0x00000000009B0000-0x0000000000AB7000-memory.dmp

Filesize
1.0MB

Download
memory/2524-52-0x0000000002010000-0x0000000002110000-memory.dmp

Filesize
1024KB

Download
memory/2712-29-0x0000000000670000-0x0000000000770000-memory.dmp

Filesize
1024KB

Download
memory/2712-38-0x0000000000850000-0x0000000000957000-memory.dmp

Filesize
1.0MB

Download
memory/2712-39-0x0000000001F80000-0x0000000002080000-memory.dmp

Filesize
1024KB

Download
memory/2712-48-0x0000000074E00000-0x0000000074F07000-memory.dmp

Filesize
1.0MB

Download
memory/2712-49-0x0000000000850000-0x0000000000957000-memory.dmp

Filesize
1.0MB

Download
memory/2712-55-0x0000000000670000-0x0000000000770000-memory.dmp

Filesize
1024KB

Download
memory/2712-56-0x0000000001F80000-0x0000000002080000-memory.dmp

Filesize
1024KB

Download