e9b09a3b90f995ff23ac7c4c2a8b4cc4af7208d86fdd720e5fda80145d7960b8

Analysis

max time kernel
77s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-10-2024 02:30

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General

Target

Ref#0503711.exe
Size

1.8MB
MD5

3b2e54913c8b29ce886c8b36f8dd0cfc
SHA1

ff514c4f55dc70f5d1914fcf7118f24fd636e8a2
SHA256

405832c40918da8ad82482319361d443a19cb05d8834e0258e5c54bf11faae84
SHA512

c872c307a060c3ec9b026d24f159447d74de06a5e2e73f5729c9360c5f20b0dc1afe17c870793309f4bddd6c1ec52ce68a1dca9c0b102d089ab48a6db7071c81
SSDEEP

49152:RFXZRd8cSc710RxibZkpQuiQcWpn0JGgKD:/XPmct7uMqn0QD

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
5532	docdd.exe

Loads dropped DLL 6 IoCs

pid	Process
552	Ref#0503711.exe
5728	WerFault.exe
5728	WerFault.exe
5728	WerFault.exe
5728	WerFault.exe
5728	WerFault.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\ioibrzb = "C:\\Users\\Admin\\AppData\\Roaming\\ioibrzb.exe"	Ref#0503711.exe

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
5600	552	WerFault.exe	29
5728	5532	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ref#0503711.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	docdd.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
552	Ref#0503711.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	552	Ref#0503711.exe
Token: SeDebugPrivilege	552	Ref#0503711.exe
Token: SeDebugPrivilege	5532	docdd.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 552 wrote to memory of 5532	552	Ref#0503711.exe	30
PID 552 wrote to memory of 5532	552	Ref#0503711.exe	30
PID 552 wrote to memory of 5532	552	Ref#0503711.exe	30
PID 552 wrote to memory of 5532	552	Ref#0503711.exe	30
PID 552 wrote to memory of 5600	552	Ref#0503711.exe	31
PID 552 wrote to memory of 5600	552	Ref#0503711.exe	31
PID 552 wrote to memory of 5600	552	Ref#0503711.exe	31
PID 552 wrote to memory of 5600	552	Ref#0503711.exe	31
PID 5532 wrote to memory of 5728	5532	docdd.exe	32
PID 5532 wrote to memory of 5728	5532	docdd.exe	32
PID 5532 wrote to memory of 5728	5532	docdd.exe	32
PID 5532 wrote to memory of 5728	5532	docdd.exe	32

C:\Users\Admin\AppData\Local\Temp\Ref#0503711.exe
"C:\Users\Admin\AppData\Local\Temp\Ref#0503711.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:552
- C:\Users\Admin\AppData\Local\Temp\docdd.exe
  "C:\Users\Admin\AppData\Local\Temp\docdd.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5532
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5532 -s 1272
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:5728
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 552 -s 864
  2⤵
  - Program crash
  PID:5600

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
45KB

MD5
dbd0e17845da07384d942b76268cf5b7

SHA1
c1fca3c8ab7e6d60fe3703a4ee52bbac1d61e6ad

SHA256
4a9a9156581680f9b5082c685a656994a2248ff274900710014ca9c3c7868db8

SHA512
f7697d93690f3bd673501401b4286cf4794b39563e5d1707af5bd407e2acb2cba8f3331e0df9091f0cc4895155ac9be9aa89668f92b33a9319ea25551b876f8c

Download Submit
memory/552-0-0x000000007430E000-0x000000007430F000-memory.dmp

Filesize
4KB

Download
memory/552-1-0x0000000000950000-0x0000000000B24000-memory.dmp

Filesize
1.8MB

Download
memory/552-2-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download
memory/552-3-0x0000000004470000-0x000000000459C000-memory.dmp

Filesize
1.2MB

Download
memory/552-4-0x0000000004F90000-0x0000000005088000-memory.dmp

Filesize
992KB

Download
memory/552-5-0x0000000004F90000-0x0000000005082000-memory.dmp

Filesize
968KB

Download
memory/552-12-0x0000000004F90000-0x0000000005082000-memory.dmp

Filesize
968KB

Download
memory/552-14-0x0000000004F90000-0x0000000005082000-memory.dmp

Filesize
968KB

Download
memory/552-16-0x0000000004F90000-0x0000000005082000-memory.dmp

Filesize
968KB

Download
memory/552-10-0x0000000004F90000-0x0000000005082000-memory.dmp

Filesize
968KB

Download
memory/552-26-0x0000000004F90000-0x0000000005082000-memory.dmp

Filesize
968KB

Download
memory/552-33-0x0000000004F90000-0x0000000005082000-memory.dmp

Filesize
968KB

Download
memory/552-42-0x0000000004F90000-0x0000000005082000-memory.dmp

Filesize
968KB

Download
memory/552-44-0x0000000004F90000-0x0000000005082000-memory.dmp

Filesize
968KB

Download
memory/552-9-0x0000000004F90000-0x0000000005082000-memory.dmp

Filesize
968KB

Download
memory/552-6-0x0000000004F90000-0x0000000005082000-memory.dmp

Filesize
968KB

Download
memory/552-60-0x0000000004F90000-0x0000000005082000-memory.dmp

Filesize
968KB

Download
memory/552-62-0x0000000004F90000-0x0000000005082000-memory.dmp

Filesize
968KB

Download
memory/552-58-0x0000000004F90000-0x0000000005082000-memory.dmp

Filesize
968KB

Download
memory/552-66-0x0000000004F90000-0x0000000005082000-memory.dmp

Filesize
968KB

Download
memory/552-64-0x0000000004F90000-0x0000000005082000-memory.dmp

Filesize
968KB

Download
memory/552-56-0x0000000004F90000-0x0000000005082000-memory.dmp

Filesize
968KB

Download
memory/552-54-0x0000000004F90000-0x0000000005082000-memory.dmp

Filesize
968KB

Download
memory/552-52-0x0000000004F90000-0x0000000005082000-memory.dmp

Filesize
968KB

Download
memory/552-50-0x0000000004F90000-0x0000000005082000-memory.dmp

Filesize
968KB

Download
memory/552-48-0x0000000004F90000-0x0000000005082000-memory.dmp

Filesize
968KB

Download
memory/552-46-0x0000000004F90000-0x0000000005082000-memory.dmp

Filesize
968KB

Download
memory/552-40-0x0000000004F90000-0x0000000005082000-memory.dmp

Filesize
968KB

Download
memory/552-38-0x0000000004F90000-0x0000000005082000-memory.dmp

Filesize
968KB

Download
memory/552-36-0x0000000004F90000-0x0000000005082000-memory.dmp

Filesize
968KB

Download
memory/552-34-0x0000000004F90000-0x0000000005082000-memory.dmp

Filesize
968KB

Download
memory/552-30-0x0000000004F90000-0x0000000005082000-memory.dmp

Filesize
968KB

Download
memory/552-68-0x0000000004F90000-0x0000000005082000-memory.dmp

Filesize
968KB

Download
memory/552-28-0x0000000004F90000-0x0000000005082000-memory.dmp

Filesize
968KB

Download
memory/552-24-0x0000000004F90000-0x0000000005082000-memory.dmp

Filesize
968KB

Download
memory/552-22-0x0000000004F90000-0x0000000005082000-memory.dmp

Filesize
968KB

Download
memory/552-20-0x0000000004F90000-0x0000000005082000-memory.dmp

Filesize
968KB

Download
memory/552-19-0x0000000004F90000-0x0000000005082000-memory.dmp

Filesize
968KB

Download
memory/552-1080-0x00000000020C0000-0x0000000002132000-memory.dmp

Filesize
456KB

Download
memory/552-1081-0x00000000022D0000-0x000000000231C000-memory.dmp

Filesize
304KB

Download
memory/552-1079-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download
memory/552-1090-0x00000000045A0000-0x00000000045F4000-memory.dmp

Filesize
336KB

Download
memory/552-1092-0x000000007430E000-0x000000007430F000-memory.dmp

Filesize
4KB

Download
memory/552-1096-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download
memory/552-1097-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download
memory/5532-1089-0x0000000000C70000-0x0000000000C82000-memory.dmp

Filesize
72KB

Download
memory/5532-1091-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download
memory/5532-1094-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download
memory/5532-1095-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/5532-1103-0x0000000074300000-0x00000000749EE000-memory.dmp

Filesize
6.9MB

Download