2b024d62bd6bf6b6b8300ebfe41465d90383278175f50c9fb584d50984517c65

General

Target

2b024d62bd6bf6b6b8300ebfe41465d90383278175f50c9fb584d50984517c65.exe
Size

1.3MB
MD5

8bc16d511c3ce83804b7dbd45672c08d
SHA1

91ac7d47364795ecdec0d24b6975f10d5a00a76c
SHA256

2b024d62bd6bf6b6b8300ebfe41465d90383278175f50c9fb584d50984517c65
SHA512

d63d407045663b510d0df4f30ea89cff73645e72501377b21af6dbcf666297338e69468665ace8ac088a59629ac0407366d26fc817d114730457a7c58c98533e
SSDEEP

24576:CVS4OlBc2iF8ewRag6mm7EdBvJARNjeqp9exRx0Dn1uoDCVoPafglhr:0S4OlGRFtw4VIDv6R9eCeZ0nDCVHfgT

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4992	2b024d62bd6bf6b6b8300ebfe41465d90383278175f50c9fb584d50984517c65.exe

Loads dropped DLL 3 IoCs

pid	Process
2728	2b024d62bd6bf6b6b8300ebfe41465d90383278175f50c9fb584d50984517c65.exe
1448	2b024d62bd6bf6b6b8300ebfe41465d90383278175f50c9fb584d50984517c65.exe
4992	2b024d62bd6bf6b6b8300ebfe41465d90383278175f50c9fb584d50984517c65.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0006000000023167-136.dat	upx
behavioral2/memory/4992-139-0x00000000003B0000-0x0000000000600000-memory.dmp	upx
behavioral2/memory/2728-138-0x0000000000740000-0x0000000000990000-memory.dmp	upx
behavioral2/memory/1448-140-0x0000000000740000-0x0000000000990000-memory.dmp	upx

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\D:	2b024d62bd6bf6b6b8300ebfe41465d90383278175f50c9fb584d50984517c65.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Opera	2b024d62bd6bf6b6b8300ebfe41465d90383278175f50c9fb584d50984517c65.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings	2b024d62bd6bf6b6b8300ebfe41465d90383278175f50c9fb584d50984517c65.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2728 wrote to memory of 1448	2728	2b024d62bd6bf6b6b8300ebfe41465d90383278175f50c9fb584d50984517c65.exe	82
PID 2728 wrote to memory of 1448	2728	2b024d62bd6bf6b6b8300ebfe41465d90383278175f50c9fb584d50984517c65.exe	82
PID 2728 wrote to memory of 1448	2728	2b024d62bd6bf6b6b8300ebfe41465d90383278175f50c9fb584d50984517c65.exe	82
PID 2728 wrote to memory of 4992	2728	2b024d62bd6bf6b6b8300ebfe41465d90383278175f50c9fb584d50984517c65.exe	83
PID 2728 wrote to memory of 4992	2728	2b024d62bd6bf6b6b8300ebfe41465d90383278175f50c9fb584d50984517c65.exe	83
PID 2728 wrote to memory of 4992	2728	2b024d62bd6bf6b6b8300ebfe41465d90383278175f50c9fb584d50984517c65.exe	83

C:\Users\Admin\AppData\Local\Temp\2b024d62bd6bf6b6b8300ebfe41465d90383278175f50c9fb584d50984517c65.exe
"C:\Users\Admin\AppData\Local\Temp\2b024d62bd6bf6b6b8300ebfe41465d90383278175f50c9fb584d50984517c65.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2728
- C:\Users\Admin\AppData\Local\Temp\2b024d62bd6bf6b6b8300ebfe41465d90383278175f50c9fb584d50984517c65.exe
  "C:\Users\Admin\AppData\Local\Temp\2b024d62bd6bf6b6b8300ebfe41465d90383278175f50c9fb584d50984517c65.exe" --crash-reporter-parent-id=2728
  2⤵
  - Loads dropped DLL
  PID:1448
- C:\Users\Admin\AppData\Local\Temp\Opera Installer\2b024d62bd6bf6b6b8300ebfe41465d90383278175f50c9fb584d50984517c65.exe
  "C:\Users\Admin\AppData\Local\Temp\Opera Installer\2b024d62bd6bf6b6b8300ebfe41465d90383278175f50c9fb584d50984517c65.exe" --version
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:4992

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\Opera Installer\2b024d62bd6bf6b6b8300ebfe41465d90383278175f50c9fb584d50984517c65.exe

Filesize
1.3MB

MD5
8bc16d511c3ce83804b7dbd45672c08d

SHA1
91ac7d47364795ecdec0d24b6975f10d5a00a76c

SHA256
2b024d62bd6bf6b6b8300ebfe41465d90383278175f50c9fb584d50984517c65

SHA512
d63d407045663b510d0df4f30ea89cff73645e72501377b21af6dbcf666297338e69468665ace8ac088a59629ac0407366d26fc817d114730457a7c58c98533e

Download Submit
C:\Users\Admin\AppData\Local\Temp\Opera_installer_230209065014400.dll

Filesize
1.8MB

MD5
9be9fe27c62e42a339d38892217aeefc

SHA1
fa7cfaf756a128873cde9292dabcb932fa1af8a5

SHA256
8088164fc6297734bc3137d5d7019cd86567db452fde029df198a9b0a199fe5d

SHA512
b5ac5dfd273dc7c584aec8e622e9f3b92de8ae77298df3a56ff8893e37514ea9d0e0f5a6a35ee029bd068b08847d9434034d05ce3192cf9162a1440aa8683d0f

Download Submit
C:\Users\Admin\AppData\Local\Temp\Opera_installer_230209065014744.dll

Filesize
1.8MB

MD5
9be9fe27c62e42a339d38892217aeefc

SHA1
fa7cfaf756a128873cde9292dabcb932fa1af8a5

SHA256
8088164fc6297734bc3137d5d7019cd86567db452fde029df198a9b0a199fe5d

SHA512
b5ac5dfd273dc7c584aec8e622e9f3b92de8ae77298df3a56ff8893e37514ea9d0e0f5a6a35ee029bd068b08847d9434034d05ce3192cf9162a1440aa8683d0f

Download Submit
C:\Users\Admin\AppData\Local\Temp\Opera_installer_230209065015056.dll

Filesize
1.8MB

MD5
9be9fe27c62e42a339d38892217aeefc

SHA1
fa7cfaf756a128873cde9292dabcb932fa1af8a5

SHA256
8088164fc6297734bc3137d5d7019cd86567db452fde029df198a9b0a199fe5d

SHA512
b5ac5dfd273dc7c584aec8e622e9f3b92de8ae77298df3a56ff8893e37514ea9d0e0f5a6a35ee029bd068b08847d9434034d05ce3192cf9162a1440aa8683d0f

Download Submit
memory/1448-133-0x0000000000000000-mapping.dmp

Download
memory/1448-140-0x0000000000740000-0x0000000000990000-memory.dmp

Filesize
2.3MB

Download
memory/2728-138-0x0000000000740000-0x0000000000990000-memory.dmp

Filesize
2.3MB

Download
memory/4992-135-0x0000000000000000-mapping.dmp

Download
memory/4992-139-0x00000000003B0000-0x0000000000600000-memory.dmp

Filesize
2.3MB

Download

Analysis

Sharing