4d7489c7f5c86e43100b25314f49f3577d43ae47e090b0916578da82ec3d59e6

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-10-2024 14:15

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General

Target

Booking_0106.exe
Size

1.9MB
MD5

219bc0b3320f5f73d684f07800c0134d
SHA1

867abe30a0018c0c902f11a9edfb7c0262cdedf5
SHA256

4d7489c7f5c86e43100b25314f49f3577d43ae47e090b0916578da82ec3d59e6
SHA512

4bec94a472bdbd156f22bd4eddb44bb8b2c11910e4c12269fa73a7f71f4f290db4eb9014bf5e1ba322c97af7a195081821d35848b6ea93dce5e05a18cd6c88a4
SSDEEP

49152:2RvAXWfY323knu/nL1Pv4ZWrgN4l07QfR0feTtH8FmmCCCCCvaFK3:UfrU2pSsF8FmmCCCCCL3

Score

8^/10

discovery persistence

Malware Config

Signatures

Downloads MZ/PE file

Executes dropped EXE 2 IoCs

pid	Process
3912	doc-d.exe
1528	tmpA093.tmp.exe

Loads dropped DLL 7 IoCs

pid	Process
2872	Booking_0106.exe
3912	doc-d.exe
4528	WerFault.exe
4528	WerFault.exe
4528	WerFault.exe
4528	WerFault.exe
4528	WerFault.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\ibrzb = "C:\\Users\\Admin\\AppData\\Roaming\\ibrzb.exe"	Booking_0106.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\ibrzb = "C:\\Users\\Admin\\AppData\\Roaming\\ibrzb.exe"	tmpA093.tmp.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
3972	2872	WerFault.exe	27
4528	1528	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 3 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	Booking_0106.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	doc-d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmpA093.tmp.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2872	Booking_0106.exe
1528	tmpA093.tmp.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2872	Booking_0106.exe
Token: SeDebugPrivilege	2872	Booking_0106.exe
Token: SeDebugPrivilege	3912	doc-d.exe
Token: SeDebugPrivilege	1528	tmpA093.tmp.exe
Token: SeDebugPrivilege	1528	tmpA093.tmp.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 3912	2872	Booking_0106.exe	28
PID 2872 wrote to memory of 3912	2872	Booking_0106.exe	28
PID 2872 wrote to memory of 3912	2872	Booking_0106.exe	28
PID 2872 wrote to memory of 3912	2872	Booking_0106.exe	28
PID 2872 wrote to memory of 3972	2872	Booking_0106.exe	29
PID 2872 wrote to memory of 3972	2872	Booking_0106.exe	29
PID 2872 wrote to memory of 3972	2872	Booking_0106.exe	29
PID 2872 wrote to memory of 3972	2872	Booking_0106.exe	29
PID 3912 wrote to memory of 1528	3912	doc-d.exe	30
PID 3912 wrote to memory of 1528	3912	doc-d.exe	30
PID 3912 wrote to memory of 1528	3912	doc-d.exe	30
PID 3912 wrote to memory of 1528	3912	doc-d.exe	30
PID 1528 wrote to memory of 4528	1528	tmpA093.tmp.exe	31
PID 1528 wrote to memory of 4528	1528	tmpA093.tmp.exe	31
PID 1528 wrote to memory of 4528	1528	tmpA093.tmp.exe	31
PID 1528 wrote to memory of 4528	1528	tmpA093.tmp.exe	31

C:\Users\Admin\AppData\Local\Temp\Booking_0106.exe
"C:\Users\Admin\AppData\Local\Temp\Booking_0106.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:2872
- C:\Users\Admin\AppData\Local\Temp\doc-d.exe
  "C:\Users\Admin\AppData\Local\Temp\doc-d.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3912
- - C:\Users\Admin\AppData\Local\Temp\tmpA093.tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmpA093.tmp.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1528
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1528 -s 640
      4⤵
      Loads dropped DLL
      Program crash
      PID:4528
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2872 -s 828
  2⤵
  - Program crash
  PID:3972

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

\??\c:\users\admin\appdata\roaming\ibrzb.exe

Filesize
192KB

MD5
389070c4241c5447516e76ba7b04a54b

SHA1
2c2069fc9a0102e0614c6ca6a371c98fbd8f9200

SHA256
c0e5f5db7f59aef22ddcadb2fa69ece883173b923774ceb86fa161485c000e0b

SHA512
d29f822928e1bcd63c6e0b1fffc8ec4c6b3de59f49cab920c6442a29780b39d16f4b0ea1e90e9e43ac1ad15a037db0c64d7585140bcca716e7e5af1088cae670

Download Submit
\Users\Admin\AppData\Local\Temp\doc-d.exe

Filesize
15KB

MD5
c9ef77ca68f77b6c1267a7314203c94b

SHA1
3c43348fdbcbb25f6a145d32c604f76844994c3f

SHA256
fbcdfa1a6fb23286f43c1ac9cf45dc4be64f328cf1c719abe7fb503021bf9e3d

SHA512
4893a117704eda88e3a8fc5e0d68c2b70da2a0fd439baae46b717ae41862f910ca4416fe2d89b7113722862a96ed746b1710f33643bf927f63a325542382baf6

Download Submit
\Users\Admin\AppData\Local\Temp\tmpA093.tmp.exe

Filesize
2.5MB

MD5
b593f30608a4fd2f135ee5f3adf60ade

SHA1
b87eb2fbc01831b03ee4709ee013e75e186a4911

SHA256
ea67abb66d519ab171ed102d00875fb2d764eae1f8ac6febf047753d95485f70

SHA512
705d61df477e6ecb58f9c6c064a4bb8bc7e5e1d94c5a7173b15a405a89c707cc56c20475d03575d5fafb4f10d0eb02f2ad8c4a4754ddd1ef4693cc288eaae5fc

Download Submit
memory/1528-2178-0x0000000002240000-0x000000000233C000-memory.dmp

Filesize
1008KB

Download
memory/1528-1103-0x0000000004910000-0x0000000004A92000-memory.dmp

Filesize
1.5MB

Download
memory/1528-1101-0x00000000000E0000-0x000000000035C000-memory.dmp

Filesize
2.5MB

Download
memory/2872-38-0x0000000004940000-0x0000000004A2C000-memory.dmp

Filesize
944KB

Download
memory/2872-30-0x0000000004940000-0x0000000004A2C000-memory.dmp

Filesize
944KB

Download
memory/2872-6-0x0000000004940000-0x0000000004A2C000-memory.dmp

Filesize
944KB

Download
memory/2872-4-0x0000000004940000-0x0000000004A2C000-memory.dmp

Filesize
944KB

Download
memory/2872-16-0x0000000004940000-0x0000000004A2C000-memory.dmp

Filesize
944KB

Download
memory/2872-36-0x0000000004940000-0x0000000004A2C000-memory.dmp

Filesize
944KB

Download
memory/2872-60-0x0000000004940000-0x0000000004A2C000-memory.dmp

Filesize
944KB

Download
memory/2872-66-0x0000000004940000-0x0000000004A2C000-memory.dmp

Filesize
944KB

Download
memory/2872-64-0x0000000004940000-0x0000000004A2C000-memory.dmp

Filesize
944KB

Download
memory/2872-62-0x0000000004940000-0x0000000004A2C000-memory.dmp

Filesize
944KB

Download
memory/2872-58-0x0000000004940000-0x0000000004A2C000-memory.dmp

Filesize
944KB

Download
memory/2872-56-0x0000000004940000-0x0000000004A2C000-memory.dmp

Filesize
944KB

Download
memory/2872-54-0x0000000004940000-0x0000000004A2C000-memory.dmp

Filesize
944KB

Download
memory/2872-52-0x0000000004940000-0x0000000004A2C000-memory.dmp

Filesize
944KB

Download
memory/2872-50-0x0000000004940000-0x0000000004A2C000-memory.dmp

Filesize
944KB

Download
memory/2872-48-0x0000000004940000-0x0000000004A2C000-memory.dmp

Filesize
944KB

Download
memory/2872-46-0x0000000004940000-0x0000000004A2C000-memory.dmp

Filesize
944KB

Download
memory/2872-44-0x0000000004940000-0x0000000004A2C000-memory.dmp

Filesize
944KB

Download
memory/2872-42-0x0000000004940000-0x0000000004A2C000-memory.dmp

Filesize
944KB

Download
memory/2872-40-0x0000000004940000-0x0000000004A2C000-memory.dmp

Filesize
944KB

Download
memory/2872-0-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/2872-34-0x0000000004940000-0x0000000004A2C000-memory.dmp

Filesize
944KB

Download
memory/2872-32-0x0000000004940000-0x0000000004A2C000-memory.dmp

Filesize
944KB

Download
memory/2872-8-0x0000000004940000-0x0000000004A2C000-memory.dmp

Filesize
944KB

Download
memory/2872-28-0x0000000004940000-0x0000000004A2C000-memory.dmp

Filesize
944KB

Download
memory/2872-26-0x0000000004940000-0x0000000004A2C000-memory.dmp

Filesize
944KB

Download
memory/2872-24-0x0000000004940000-0x0000000004A2C000-memory.dmp

Filesize
944KB

Download
memory/2872-22-0x0000000004940000-0x0000000004A2C000-memory.dmp

Filesize
944KB

Download
memory/2872-20-0x0000000004940000-0x0000000004A2C000-memory.dmp

Filesize
944KB

Download
memory/2872-18-0x0000000004940000-0x0000000004A2C000-memory.dmp

Filesize
944KB

Download
memory/2872-1077-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2872-1079-0x0000000001150000-0x00000000011BC000-memory.dmp

Filesize
432KB

Download
memory/2872-1078-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2872-1080-0x00000000047B0000-0x00000000047FC000-memory.dmp

Filesize
304KB

Download
memory/2872-12-0x0000000004940000-0x0000000004A2C000-memory.dmp

Filesize
944KB

Download
memory/2872-1-0x00000000011C0000-0x00000000013AC000-memory.dmp

Filesize
1.9MB

Download
memory/2872-2-0x0000000004940000-0x0000000004A32000-memory.dmp

Filesize
968KB

Download
memory/2872-3-0x0000000004940000-0x0000000004A2C000-memory.dmp

Filesize
944KB

Download
memory/2872-1089-0x0000000005210000-0x0000000005264000-memory.dmp

Filesize
336KB

Download
memory/2872-1093-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/2872-14-0x0000000004940000-0x0000000004A2C000-memory.dmp

Filesize
944KB

Download
memory/2872-10-0x0000000004940000-0x0000000004A2C000-memory.dmp

Filesize
944KB

Download
memory/3912-1102-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/3912-1091-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/3912-1092-0x0000000074520000-0x0000000074C0E000-memory.dmp

Filesize
6.9MB

Download
memory/3912-1088-0x0000000001030000-0x000000000103A000-memory.dmp

Filesize
40KB

Download