20b4a7836ef3fb6d50dc468838d121fbaa1372b4627d5ecca4ab2e6e2300ce38

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26-03-2024 18:11

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General

Target

20b4a7836ef3fb6d50dc468838d121fbaa1372b4627d5ecca4ab2e6e2300ce38.exe
Size

235KB
MD5

263f1451d06ff3005ee452357bc775f8
SHA1

00f6dd1335fdf260a34d39d88871c1ad2edebbd1
SHA256

20b4a7836ef3fb6d50dc468838d121fbaa1372b4627d5ecca4ab2e6e2300ce38
SHA512

2ebfe594be10caf6072cfc126e9ac788c91eabc5e7d7f9246d970d2c6cb411242f558891b3cee88d69ac09f622db9ff30c93d3005234f16141ff238e8e55b59a
SSDEEP

3072:aJOcumc7+5DHhH0qjuIWvJ2XVYxVJ/PWiud3uWHWABIippBIbLk5:cOCcq3BjunvJ2lYjJ/PWiuvBRppB0k5

Score

8^/10

persistence

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
2240	dbilzqh.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~3\Mozilla\dbilzqh.exe	20b4a7836ef3fb6d50dc468838d121fbaa1372b4627d5ecca4ab2e6e2300ce38.exe
File created	C:\PROGRA~3\Mozilla\zxoabnc.dll	dbilzqh.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2084	20b4a7836ef3fb6d50dc468838d121fbaa1372b4627d5ecca4ab2e6e2300ce38.exe
2240	dbilzqh.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2592 wrote to memory of 2240	2592	taskeng.exe	29
PID 2592 wrote to memory of 2240	2592	taskeng.exe	29
PID 2592 wrote to memory of 2240	2592	taskeng.exe	29
PID 2592 wrote to memory of 2240	2592	taskeng.exe	29

C:\Users\Admin\AppData\Local\Temp\20b4a7836ef3fb6d50dc468838d121fbaa1372b4627d5ecca4ab2e6e2300ce38.exe
"C:\Users\Admin\AppData\Local\Temp\20b4a7836ef3fb6d50dc468838d121fbaa1372b4627d5ecca4ab2e6e2300ce38.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of UnmapMainImage
PID:2084

C:\Windows\system32\taskeng.exe
taskeng.exe {83AAA85E-6AF6-41F1-A464-DE854FDA4EC7} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:2592
- C:\PROGRA~3\Mozilla\dbilzqh.exe
  C:\PROGRA~3\Mozilla\dbilzqh.exe -kwinamg
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of UnmapMainImage
  PID:2240

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

Replay Monitor

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Downloads

C:\PROGRA~3\Mozilla\dbilzqh.exe

Filesize
235KB

MD5
65013499575d21d4b3b52d32fa29d09d

SHA1
f2a34be9c24ea0bbc5a7b69564a3839ffd9f6d88

SHA256
260a12165364ed5a4ccebae28a3dcb486cf89b8f95f51c4e23778507ebbaad66

SHA512
a1efc4f9a3e7a7f5d0fb0b23e5f856ca3f6b3792980ac190d18c75c8851c36c59cf1ec86c5676dda8d541b36f37fb882f1c80778d298b78c7bc3caf51f02ba24

Download Submit
memory/2084-0-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2084-1-0x0000000000270000-0x00000000002CB000-memory.dmp

Filesize
364KB

Download
memory/2084-2-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2084-4-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2240-7-0x0000000000460000-0x00000000004BB000-memory.dmp

Filesize
364KB

Download
memory/2240-8-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2240-10-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download