2f4148751d2ea405d1fc7506ee8e3fb82e1c3ab3e7d3ce38eabaee14e285b28a

Analysis

max time kernel
150s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
27/01/2024, 18:30

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General

Target

7af61037f9e4ab6f14e38892d883aef9.exe
Size

10KB
MD5

7af61037f9e4ab6f14e38892d883aef9
SHA1

31b1c4930f1bdd75e928af2e30b1bc8cfcc3c684
SHA256

2f4148751d2ea405d1fc7506ee8e3fb82e1c3ab3e7d3ce38eabaee14e285b28a
SHA512

aac3670b661f1f7e147759e65c34239c55d5bb81e7a5ca1fcd8fc1b83d6e2a0a6fdb2a72bab72d1db3a720e75c9201837a1edf25bed2a90eab33748c7930348e
SSDEEP

192:CZuqGusNGjZQYi1k94uRtIxhNIlSYawooHPTitNpJB7+:CZFG0jL4qt/SYawooUNpL+

Score

8^/10

persistence upx

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Executes dropped EXE 1 IoCs

pid	Process
2596	qoemslk.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2384-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/files/0x0006000000023209-4.dat	upx
behavioral2/memory/2596-6-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/2384-9-0x0000000000400000-0x000000000040F000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\qoemsl.dll	7af61037f9e4ab6f14e38892d883aef9.exe
File created	C:\Windows\SysWOW64\qoemslk.exe	7af61037f9e4ab6f14e38892d883aef9.exe
File opened for modification	C:\Windows\SysWOW64\qoemslk.exe	7af61037f9e4ab6f14e38892d883aef9.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 2596	2384	7af61037f9e4ab6f14e38892d883aef9.exe	86
PID 2384 wrote to memory of 2596	2384	7af61037f9e4ab6f14e38892d883aef9.exe	86
PID 2384 wrote to memory of 2596	2384	7af61037f9e4ab6f14e38892d883aef9.exe	86
PID 2384 wrote to memory of 228	2384	7af61037f9e4ab6f14e38892d883aef9.exe	90
PID 2384 wrote to memory of 228	2384	7af61037f9e4ab6f14e38892d883aef9.exe	90
PID 2384 wrote to memory of 228	2384	7af61037f9e4ab6f14e38892d883aef9.exe	90

C:\Users\Admin\AppData\Local\Temp\7af61037f9e4ab6f14e38892d883aef9.exe
"C:\Users\Admin\AppData\Local\Temp\7af61037f9e4ab6f14e38892d883aef9.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Windows\SysWOW64\qoemslk.exe
  C:\Windows\system32\qoemslk.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:2596
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\7af61037f9e4ab6f14e38892d883aef9.exe.bat
  2⤵
  PID:228

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\7af61037f9e4ab6f14e38892d883aef9.exe.bat

Filesize
182B

MD5
79179f4c692ee6381704f9d7919989b6

SHA1
b596e6e4c3de5ac54c18737a8ccfa4ea7cd295cc

SHA256
0b75317c707372855676cd9c95091e5046a7d50692413cc1a5e81e9845afb71a

SHA512
3c2c7397e39ad4adcb1929e28bf6cd3115a930426fb43019c2d9f031bb24d7eec582276862a45cb268cab3257754a7f0a4bcbd8b22f78f660e26057635578429

Download Submit
C:\Windows\SysWOW64\qoemslk.exe

Filesize
10KB

MD5
7af61037f9e4ab6f14e38892d883aef9

SHA1
31b1c4930f1bdd75e928af2e30b1bc8cfcc3c684

SHA256
2f4148751d2ea405d1fc7506ee8e3fb82e1c3ab3e7d3ce38eabaee14e285b28a

SHA512
aac3670b661f1f7e147759e65c34239c55d5bb81e7a5ca1fcd8fc1b83d6e2a0a6fdb2a72bab72d1db3a720e75c9201837a1edf25bed2a90eab33748c7930348e

Download Submit
memory/2384-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2384-9-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2596-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download