04bf065cbc3803345aa049a3712cabfc97b19768690164596e3437c2d4fc25f5

Analysis

max time kernel
140s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
06/03/2024, 08:53

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General

Target

ExamSQL.exe
Size

3.3MB
MD5

cf4b196fd69bb1b88e8f595266f5ee4b
SHA1

e32745ea62bd0e5a51b708ce3f6cca274aa972f2
SHA256

1e46a731327705d3e91323c7aeb9397ca5a961edfe9049e1bab41c7cc2cdee05
SHA512

ad3652095c29f91979c0bd684eb12971cdb27d41e8b4306d52252fe5d48124a14f2cccd519026c9e4c537342f518d4d142f215349b67b1ab05d4361dd557c306
SSDEEP

98304:hPBaBfBABf3w11DYG1a+A37zyoB3lLRBanHAHnVw:rOpMvw1Tor3yoB5zangm

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1740	setup.exe

Loads dropped DLL 4 IoCs

pid	Process
2236	ExamSQL.exe
1740	setup.exe
1740	setup.exe
1740	setup.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000c00000001313a-4.dat	upx
behavioral1/memory/2236-5-0x0000000002060000-0x00000000020D1000-memory.dmp	upx
behavioral1/memory/1740-10-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/1740-17-0x0000000000400000-0x0000000000471000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 1740	2236	ExamSQL.exe	28
PID 2236 wrote to memory of 1740	2236	ExamSQL.exe	28
PID 2236 wrote to memory of 1740	2236	ExamSQL.exe	28
PID 2236 wrote to memory of 1740	2236	ExamSQL.exe	28
PID 2236 wrote to memory of 1740	2236	ExamSQL.exe	28
PID 2236 wrote to memory of 1740	2236	ExamSQL.exe	28
PID 2236 wrote to memory of 1740	2236	ExamSQL.exe	28

C:\Users\Admin\AppData\Local\Temp\ExamSQL.exe
"C:\Users\Admin\AppData\Local\Temp\ExamSQL.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Users\Admin\AppData\Local\Temp\ae2146\setup.exe
  C:\Users\Admin\AppData\Local\Temp\ae2146\setup.exe -d "C:\Users\Admin\AppData\Local\Temp"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1740

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

C:\Users\Admin\AppData\Local\Temp\ae2146\Setup.ini

Filesize
34KB

MD5
121fd37caf8f1861f6056b137475fb72

SHA1
3318eb73e640183eb0d1cf59b56f3c835aed6797

SHA256
75213b5e8dab60ca964ac418547712fcca76a49cc774095ed2c5a051c834fc56

SHA512
27343c08b7adefde5672fb47736a95a307ecefd0fb6db219e1e2fa7304f87ca1d69f1d6df0aa1ccb1de885ca21499ad02b4e70095cc35857b8445ec5923a87d4

Download Submit
C:\Users\Admin\AppData\Local\Temp\ae2146\¼òÌåÖÐÎÄ.dat

Filesize
4KB

MD5
b02bab409baabb2f432a9deb588edc75

SHA1
485b21647b8037864e35e4fa6fb268ba50883fd5

SHA256
a00b95f9e9b0e3f7fb145eabd68be1688cab81adb399c23d8810ed0fc3e0293d

SHA512
484c86c43a3a2e978e150b12cbf7948492a60aee49eff581574b5845d31c58998066dac8332ffd38ce1106778405e0cbd6622c8bf06b7877fa7c0ca777a9f17c

Download Submit
\Users\Admin\AppData\Local\Temp\ae2146\setup.exe

Filesize
149KB

MD5
808e84852804a6a0a036edf798428f6c

SHA1
8b8923c86da2bd7fbe15bf8ec0178fa210b06e8e

SHA256
2208362d112c755d569a03e28282b30dd53ddd79fe44dcde6ecad23ea82b37b2

SHA512
9df79af8b7fd4945ffc58122063ba797b39a905f1665ce4c802a30bf8c721e1498296862fee0aa9291456aae0f6bc6634a5303ac22b336f927ba290c25b4ef6a

Download Submit
memory/1740-10-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/1740-14-0x0000000000870000-0x00000000008E1000-memory.dmp

Filesize
452KB

Download
memory/1740-17-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2236-5-0x0000000002060000-0x00000000020D1000-memory.dmp

Filesize
452KB

Download