a2309ad10ff563fa1cd7eafd4b4f345a72c83e97c742574c6ce2201bcd55c826

Analysis

max time kernel
141s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
17/10/2024, 13:41

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General

Target

$PLUGINSDIR/ramsetup195.exe
Size

1.4MB
MD5

ff08538cb3d45e33cd82657e4c11d679
SHA1

3f82bf971e5e0d8b08323f6f44e62fad42dd7f38
SHA256

b200bbb9320a0bf96874a2890565b30e3158e42ee0f3e3ae0ec7b7ce41104329
SHA512

cccf86fc6b3d9775f6bd91aa641131623e41d0051be03a7c54d61fb9456d7fb5eb8d0b13ff62ae9cd8260ac767843f8fc9e7da470cc242ce6ccf40bd2a397ca4
SSDEEP

24576:esSzlEqF+hVcO3BhSb8vVFwtLKeukot7slmtVQ0b4iDAWzCLietd:wl8eO3BhS8vwhKBkodNtnl2v

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2432	irsetup.exe

Loads dropped DLL 4 IoCs

pid	Process
2220	ramsetup195.exe
2432	irsetup.exe
2432	irsetup.exe
2432	irsetup.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral3/files/0x00060000000186bb-1.dat	upx
behavioral3/memory/2220-4-0x0000000002320000-0x0000000002447000-memory.dmp	upx
behavioral3/memory/2432-25-0x0000000000400000-0x0000000000527000-memory.dmp	upx

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\ÄÚ´æÉ¨°Ñ Setup Log.txt	irsetup.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ramsetup195.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	irsetup.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2432	irsetup.exe
2432	irsetup.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 2432	2220	ramsetup195.exe	29
PID 2220 wrote to memory of 2432	2220	ramsetup195.exe	29
PID 2220 wrote to memory of 2432	2220	ramsetup195.exe	29
PID 2220 wrote to memory of 2432	2220	ramsetup195.exe	29
PID 2220 wrote to memory of 2432	2220	ramsetup195.exe	29
PID 2220 wrote to memory of 2432	2220	ramsetup195.exe	29
PID 2220 wrote to memory of 2432	2220	ramsetup195.exe	29

C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ramsetup195.exe
"C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ramsetup195.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Users\Admin\AppData\Local\Temp\_ir_sf7_temp_0\irsetup.exe
  __IRAOFF:520716 "__IRAFN:C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\ramsetup195.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2432

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\_ir_sf7_temp_0\irsetup.exe

Filesize
440KB

MD5
75ca7ff96bf5a316c3af2de6a412bd54

SHA1
0a093950790ff0dddff6f5f29c6b02c10997e0c5

SHA256
d95b5bf9ca97c1900de5357743282bab655d61d616606485088e1708559b7cf1

SHA512
b8da86f2f1e908955254e5168d0447f479cec7815a8b081a7b38eb87187cb2eb992109c67e006361b96bc1529ee8abc9dc477d78e9ca565e43f5415b492771d4

Download Submit
memory/2220-4-0x0000000002320000-0x0000000002447000-memory.dmp

Filesize
1.2MB

Download
memory/2432-10-0x0000000000A80000-0x0000000000BA7000-memory.dmp

Filesize
1.2MB

Download
memory/2432-25-0x0000000000400000-0x0000000000527000-memory.dmp

Filesize
1.2MB

Download