67c878ff1b2eb68a0a2cf907e948327196aa883c23ab02366e8b742a8c0f8a3c

Analysis

max time kernel
148s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
10/01/2024, 02:09

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General

Target

4c84391a969c7cc81d8584901ad09c69.exe
Size

919KB
MD5

4c84391a969c7cc81d8584901ad09c69
SHA1

f1c06f8b99694d8bba50254b10f70a4fed2fec9e
SHA256

67c878ff1b2eb68a0a2cf907e948327196aa883c23ab02366e8b742a8c0f8a3c
SHA512

72a732d2ea677cc5d0ab46a801d4f01d9ccca834b7e78ad90054b8228285de63f8749bd15cef261af31c3d50e5d61dd8db40ca511eb45cd3045cbe9146955639
SSDEEP

24576:sMIuUfj8ss2lhV1vyw/00TYAEYE1As2zz9oY:sxRfj8J2lH1v5bTE165X

Score

8^/10

evasion trojan upx

Malware Config

Signatures

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
3024	carambis_cleaner_6311e04e2ae94d7c8b1663d45ec9e2728dd1e58e.exe

Loads dropped DLL 1 IoCs

pid	Process
1836	4c84391a969c7cc81d8584901ad09c69.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1836-0-0x0000000000980000-0x0000000000C42000-memory.dmp	upx
behavioral1/memory/1836-32-0x0000000000980000-0x0000000000C42000-memory.dmp	upx
behavioral1/files/0x000900000001225c-43.dat	upx
behavioral1/memory/1836-47-0x0000000000980000-0x0000000000C42000-memory.dmp	upx
behavioral1/memory/3024-49-0x0000000000400000-0x0000000002FD4000-memory.dmp	upx
behavioral1/memory/3024-51-0x0000000000400000-0x0000000002FD4000-memory.dmp	upx

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	carambis_cleaner_6311e04e2ae94d7c8b1663d45ec9e2728dd1e58e.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Main	carambis_cleaner_6311e04e2ae94d7c8b1663d45ec9e2728dd1e58e.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1836	4c84391a969c7cc81d8584901ad09c69.exe
1836	4c84391a969c7cc81d8584901ad09c69.exe
3024	carambis_cleaner_6311e04e2ae94d7c8b1663d45ec9e2728dd1e58e.exe
3024	carambis_cleaner_6311e04e2ae94d7c8b1663d45ec9e2728dd1e58e.exe
3024	carambis_cleaner_6311e04e2ae94d7c8b1663d45ec9e2728dd1e58e.exe
3024	carambis_cleaner_6311e04e2ae94d7c8b1663d45ec9e2728dd1e58e.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1836 wrote to memory of 3024	1836	4c84391a969c7cc81d8584901ad09c69.exe	28
PID 1836 wrote to memory of 3024	1836	4c84391a969c7cc81d8584901ad09c69.exe	28
PID 1836 wrote to memory of 3024	1836	4c84391a969c7cc81d8584901ad09c69.exe	28
PID 1836 wrote to memory of 3024	1836	4c84391a969c7cc81d8584901ad09c69.exe	28
PID 1836 wrote to memory of 3024	1836	4c84391a969c7cc81d8584901ad09c69.exe	28
PID 1836 wrote to memory of 3024	1836	4c84391a969c7cc81d8584901ad09c69.exe	28
PID 1836 wrote to memory of 3024	1836	4c84391a969c7cc81d8584901ad09c69.exe	28

C:\Users\Admin\AppData\Local\Temp\4c84391a969c7cc81d8584901ad09c69.exe
"C:\Users\Admin\AppData\Local\Temp\4c84391a969c7cc81d8584901ad09c69.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1836
- C:\Users\Admin\AppData\Local\Temp\carambis_cleaner_6311e04e2ae94d7c8b1663d45ec9e2728dd1e58e.exe
  "C:\Users\Admin\AppData\Local\Temp\carambis_cleaner_6311e04e2ae94d7c8b1663d45ec9e2728dd1e58e.exe" /partnerId=program /vid=648
  2⤵
  - Executes dropped EXE
  - Checks whether UAC is enabled
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:3024

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\carambis_cleaner_6311e04e2ae94d7c8b1663d45ec9e2728dd1e58e.exe

Filesize
17.9MB

MD5
c75559ff371b96bcffc17e2b292244a2

SHA1
6311e04e2ae94d7c8b1663d45ec9e2728dd1e58e

SHA256
a7370da996bbf71cc24b00511628f783b7ec3f620d9a72faf41b9189bd8a4df1

SHA512
da51639b3891ae0b74d8ef4c6e6308304e1ca63696d85ac8680674f34ff0e311933c97c58dc140719a0827df4bf51d779363e716da4c9274f0a530a0706b9c8c

Download Submit
memory/1836-0-0x0000000000980000-0x0000000000C42000-memory.dmp

Filesize
2.8MB

Download
memory/1836-32-0x0000000000980000-0x0000000000C42000-memory.dmp

Filesize
2.8MB

Download
memory/1836-47-0x0000000000980000-0x0000000000C42000-memory.dmp

Filesize
2.8MB

Download
memory/1836-48-0x0000000005460000-0x0000000008034000-memory.dmp

Filesize
43.8MB

Download
memory/1836-53-0x0000000005460000-0x0000000008034000-memory.dmp

Filesize
43.8MB

Download
memory/3024-49-0x0000000000400000-0x0000000002FD4000-memory.dmp

Filesize
43.8MB

Download
memory/3024-51-0x0000000000400000-0x0000000002FD4000-memory.dmp

Filesize
43.8MB

Download