4d7489c7f5c86e43100b25314f49f3577d43ae47e090b0916578da82ec3d59e6

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07/10/2024, 01:24

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General

Target

4d7489c7f5c86e43100b25314f49f3577d43ae47e090b0916578da82ec3d59e6.exe
Size

1.9MB
MD5

219bc0b3320f5f73d684f07800c0134d
SHA1

867abe30a0018c0c902f11a9edfb7c0262cdedf5
SHA256

4d7489c7f5c86e43100b25314f49f3577d43ae47e090b0916578da82ec3d59e6
SHA512

4bec94a472bdbd156f22bd4eddb44bb8b2c11910e4c12269fa73a7f71f4f290db4eb9014bf5e1ba322c97af7a195081821d35848b6ea93dce5e05a18cd6c88a4
SSDEEP

49152:2RvAXWfY323knu/nL1Pv4ZWrgN4l07QfR0feTtH8FmmCCCCCvaFK3:UfrU2pSsF8FmmCCCCCL3

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
5856	doc-d.exe

Loads dropped DLL 6 IoCs

pid	Process
2400	4d7489c7f5c86e43100b25314f49f3577d43ae47e090b0916578da82ec3d59e6.exe
6120	WerFault.exe
6120	WerFault.exe
6120	WerFault.exe
6120	WerFault.exe
6120	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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\ibrzb = "C:\\Users\\Admin\\AppData\\Roaming\\ibrzb.exe"	4d7489c7f5c86e43100b25314f49f3577d43ae47e090b0916578da82ec3d59e6.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
5920	2400	WerFault.exe	29
6120	5856	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	4d7489c7f5c86e43100b25314f49f3577d43ae47e090b0916578da82ec3d59e6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	doc-d.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2400	4d7489c7f5c86e43100b25314f49f3577d43ae47e090b0916578da82ec3d59e6.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2400	4d7489c7f5c86e43100b25314f49f3577d43ae47e090b0916578da82ec3d59e6.exe
Token: SeDebugPrivilege	2400	4d7489c7f5c86e43100b25314f49f3577d43ae47e090b0916578da82ec3d59e6.exe
Token: SeDebugPrivilege	5856	doc-d.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 5856	2400	4d7489c7f5c86e43100b25314f49f3577d43ae47e090b0916578da82ec3d59e6.exe	30
PID 2400 wrote to memory of 5856	2400	4d7489c7f5c86e43100b25314f49f3577d43ae47e090b0916578da82ec3d59e6.exe	30
PID 2400 wrote to memory of 5856	2400	4d7489c7f5c86e43100b25314f49f3577d43ae47e090b0916578da82ec3d59e6.exe	30
PID 2400 wrote to memory of 5856	2400	4d7489c7f5c86e43100b25314f49f3577d43ae47e090b0916578da82ec3d59e6.exe	30
PID 2400 wrote to memory of 5920	2400	4d7489c7f5c86e43100b25314f49f3577d43ae47e090b0916578da82ec3d59e6.exe	31
PID 2400 wrote to memory of 5920	2400	4d7489c7f5c86e43100b25314f49f3577d43ae47e090b0916578da82ec3d59e6.exe	31
PID 2400 wrote to memory of 5920	2400	4d7489c7f5c86e43100b25314f49f3577d43ae47e090b0916578da82ec3d59e6.exe	31
PID 2400 wrote to memory of 5920	2400	4d7489c7f5c86e43100b25314f49f3577d43ae47e090b0916578da82ec3d59e6.exe	31
PID 5856 wrote to memory of 6120	5856	doc-d.exe	32
PID 5856 wrote to memory of 6120	5856	doc-d.exe	32
PID 5856 wrote to memory of 6120	5856	doc-d.exe	32
PID 5856 wrote to memory of 6120	5856	doc-d.exe	32

C:\Users\Admin\AppData\Local\Temp\4d7489c7f5c86e43100b25314f49f3577d43ae47e090b0916578da82ec3d59e6.exe
"C:\Users\Admin\AppData\Local\Temp\4d7489c7f5c86e43100b25314f49f3577d43ae47e090b0916578da82ec3d59e6.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:2400
- C:\Users\Admin\AppData\Local\Temp\doc-d.exe
  "C:\Users\Admin\AppData\Local\Temp\doc-d.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5856
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5856 -s 1144
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:6120
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2400 -s 600
  2⤵
  - Program crash
  PID:5920

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\doc-d.exe

Filesize
15KB

MD5
c9ef77ca68f77b6c1267a7314203c94b

SHA1
3c43348fdbcbb25f6a145d32c604f76844994c3f

SHA256
fbcdfa1a6fb23286f43c1ac9cf45dc4be64f328cf1c719abe7fb503021bf9e3d

SHA512
4893a117704eda88e3a8fc5e0d68c2b70da2a0fd439baae46b717ae41862f910ca4416fe2d89b7113722862a96ed746b1710f33643bf927f63a325542382baf6

Download Submit
memory/2400-20-0x0000000000E50000-0x0000000000F3C000-memory.dmp

Filesize
944KB

Download
memory/2400-26-0x0000000000E50000-0x0000000000F3C000-memory.dmp

Filesize
944KB

Download
memory/2400-3-0x0000000000E50000-0x0000000000F3C000-memory.dmp

Filesize
944KB

Download
memory/2400-4-0x0000000000E50000-0x0000000000F3C000-memory.dmp

Filesize
944KB

Download
memory/2400-6-0x0000000000E50000-0x0000000000F3C000-memory.dmp

Filesize
944KB

Download
memory/2400-8-0x0000000000E50000-0x0000000000F3C000-memory.dmp

Filesize
944KB

Download
memory/2400-10-0x0000000000E50000-0x0000000000F3C000-memory.dmp

Filesize
944KB

Download
memory/2400-12-0x0000000000E50000-0x0000000000F3C000-memory.dmp

Filesize
944KB

Download
memory/2400-14-0x0000000000E50000-0x0000000000F3C000-memory.dmp

Filesize
944KB

Download
memory/2400-18-0x0000000000E50000-0x0000000000F3C000-memory.dmp

Filesize
944KB

Download
memory/2400-16-0x0000000000E50000-0x0000000000F3C000-memory.dmp

Filesize
944KB

Download
memory/2400-22-0x0000000000E50000-0x0000000000F3C000-memory.dmp

Filesize
944KB

Download
memory/2400-0-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

Filesize
4KB

Download
memory/2400-32-0x0000000000E50000-0x0000000000F3C000-memory.dmp

Filesize
944KB

Download
memory/2400-36-0x0000000000E50000-0x0000000000F3C000-memory.dmp

Filesize
944KB

Download
memory/2400-40-0x0000000000E50000-0x0000000000F3C000-memory.dmp

Filesize
944KB

Download
memory/2400-38-0x0000000000E50000-0x0000000000F3C000-memory.dmp

Filesize
944KB

Download
memory/2400-34-0x0000000000E50000-0x0000000000F3C000-memory.dmp

Filesize
944KB

Download
memory/2400-30-0x0000000000E50000-0x0000000000F3C000-memory.dmp

Filesize
944KB

Download
memory/2400-46-0x0000000000E50000-0x0000000000F3C000-memory.dmp

Filesize
944KB

Download
memory/2400-28-0x0000000000E50000-0x0000000000F3C000-memory.dmp

Filesize
944KB

Download
memory/2400-24-0x0000000000E50000-0x0000000000F3C000-memory.dmp

Filesize
944KB

Download
memory/2400-2-0x0000000000E50000-0x0000000000F42000-memory.dmp

Filesize
968KB

Download
memory/2400-42-0x0000000000E50000-0x0000000000F3C000-memory.dmp

Filesize
944KB

Download
memory/2400-52-0x0000000000E50000-0x0000000000F3C000-memory.dmp

Filesize
944KB

Download
memory/2400-66-0x0000000000E50000-0x0000000000F3C000-memory.dmp

Filesize
944KB

Download
memory/2400-64-0x0000000000E50000-0x0000000000F3C000-memory.dmp

Filesize
944KB

Download
memory/2400-62-0x0000000000E50000-0x0000000000F3C000-memory.dmp

Filesize
944KB

Download
memory/2400-58-0x0000000000E50000-0x0000000000F3C000-memory.dmp

Filesize
944KB

Download
memory/2400-56-0x0000000000E50000-0x0000000000F3C000-memory.dmp

Filesize
944KB

Download
memory/2400-54-0x0000000000E50000-0x0000000000F3C000-memory.dmp

Filesize
944KB

Download
memory/2400-60-0x0000000000E50000-0x0000000000F3C000-memory.dmp

Filesize
944KB

Download
memory/2400-50-0x0000000000E50000-0x0000000000F3C000-memory.dmp

Filesize
944KB

Download
memory/2400-48-0x0000000000E50000-0x0000000000F3C000-memory.dmp

Filesize
944KB

Download
memory/2400-44-0x0000000000E50000-0x0000000000F3C000-memory.dmp

Filesize
944KB

Download
memory/2400-1077-0x0000000001100000-0x000000000116C000-memory.dmp

Filesize
432KB

Download
memory/2400-1078-0x0000000000C80000-0x0000000000CCC000-memory.dmp

Filesize
304KB

Download
memory/2400-1079-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2400-1080-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2400-1-0x0000000001230000-0x000000000141C000-memory.dmp

Filesize
1.9MB

Download
memory/2400-1093-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/2400-1089-0x0000000005360000-0x00000000053B4000-memory.dmp

Filesize
336KB

Download
memory/5856-1090-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/5856-1092-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/5856-1088-0x0000000000E00000-0x0000000000E0A000-memory.dmp

Filesize
40KB

Download
memory/5856-1094-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download
memory/5856-1100-0x0000000073F20000-0x000000007460E000-memory.dmp

Filesize
6.9MB

Download