4d7489c7f5c86e43100b25314f49f3577d43ae47e090b0916578da82ec3d59e6

Analysis

max time kernel
121s
max time network
127s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-10-2024 14:20

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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
5784	doc-d.exe
5992	tmpF670.tmp.exe

Loads dropped DLL 7 IoCs

pid	Process
2128	Booking_0106.exe
5784	doc-d.exe
5940	WerFault.exe
5940	WerFault.exe
5940	WerFault.exe
5940	WerFault.exe
5940	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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\ibrzb = "C:\\Users\\Admin\\AppData\\Roaming\\ibrzb.exe"	Booking_0106.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\ibrzb = "C:\\Users\\Admin\\AppData\\Roaming\\ibrzb.exe"	tmpF670.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
5856	2128	WerFault.exe	30
5940	5992	WerFault.exe	33

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	tmpF670.tmp.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2128	Booking_0106.exe
5992	tmpF670.tmp.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2128	Booking_0106.exe
Token: SeDebugPrivilege	2128	Booking_0106.exe
Token: SeDebugPrivilege	5784	doc-d.exe
Token: SeDebugPrivilege	5992	tmpF670.tmp.exe
Token: SeDebugPrivilege	5992	tmpF670.tmp.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 5784	2128	Booking_0106.exe	31
PID 2128 wrote to memory of 5784	2128	Booking_0106.exe	31
PID 2128 wrote to memory of 5784	2128	Booking_0106.exe	31
PID 2128 wrote to memory of 5784	2128	Booking_0106.exe	31
PID 2128 wrote to memory of 5856	2128	Booking_0106.exe	32
PID 2128 wrote to memory of 5856	2128	Booking_0106.exe	32
PID 2128 wrote to memory of 5856	2128	Booking_0106.exe	32
PID 2128 wrote to memory of 5856	2128	Booking_0106.exe	32
PID 5784 wrote to memory of 5992	5784	doc-d.exe	33
PID 5784 wrote to memory of 5992	5784	doc-d.exe	33
PID 5784 wrote to memory of 5992	5784	doc-d.exe	33
PID 5784 wrote to memory of 5992	5784	doc-d.exe	33
PID 5992 wrote to memory of 5940	5992	tmpF670.tmp.exe	34
PID 5992 wrote to memory of 5940	5992	tmpF670.tmp.exe	34
PID 5992 wrote to memory of 5940	5992	tmpF670.tmp.exe	34
PID 5992 wrote to memory of 5940	5992	tmpF670.tmp.exe	34

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:2128
- 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:5784
- - C:\Users\Admin\AppData\Local\Temp\tmpF670.tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmpF670.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:5992
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5992 -s 632
      4⤵
      Loads dropped DLL
      Program crash
      PID:5940
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 828
  2⤵
  - Program crash
  PID:5856

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
2.5MB

MD5
095af172a07f8805e56a2b4b373ee027

SHA1
e9ce7b6556ef9b1771b5cbf00c5c1c517dfe9f18

SHA256
f5072c2591cd1e7a0752980cfd284d4c97cad966f0d8b2a8102b78ceba38f12c

SHA512
3c0ad59e3a214f184e6a694668bbf88d3999ef36b65d3ec21aeeb49fe4335a14eba8b99cb8bb194c7e471962ab91a8324a0abcdadb90622931a6c4c3e06a0b75

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\tmpF670.tmp.exe

Filesize
2.5MB

MD5
b593f30608a4fd2f135ee5f3adf60ade

SHA1
b87eb2fbc01831b03ee4709ee013e75e186a4911

SHA256
ea67abb66d519ab171ed102d00875fb2d764eae1f8ac6febf047753d95485f70

SHA512
705d61df477e6ecb58f9c6c064a4bb8bc7e5e1d94c5a7173b15a405a89c707cc56c20475d03575d5fafb4f10d0eb02f2ad8c4a4754ddd1ef4693cc288eaae5fc

Download Submit
memory/2128-54-0x0000000004930000-0x0000000004A1C000-memory.dmp

Filesize
944KB

Download
memory/2128-14-0x0000000004930000-0x0000000004A1C000-memory.dmp

Filesize
944KB

Download
memory/2128-6-0x0000000004930000-0x0000000004A1C000-memory.dmp

Filesize
944KB

Download
memory/2128-10-0x0000000004930000-0x0000000004A1C000-memory.dmp

Filesize
944KB

Download
memory/2128-12-0x0000000004930000-0x0000000004A1C000-memory.dmp

Filesize
944KB

Download
memory/2128-8-0x0000000004930000-0x0000000004A1C000-memory.dmp

Filesize
944KB

Download
memory/2128-58-0x0000000004930000-0x0000000004A1C000-memory.dmp

Filesize
944KB

Download
memory/2128-18-0x0000000004930000-0x0000000004A1C000-memory.dmp

Filesize
944KB

Download
memory/2128-16-0x0000000004930000-0x0000000004A1C000-memory.dmp

Filesize
944KB

Download
memory/2128-20-0x0000000004930000-0x0000000004A1C000-memory.dmp

Filesize
944KB

Download
memory/2128-22-0x0000000004930000-0x0000000004A1C000-memory.dmp

Filesize
944KB

Download
memory/2128-24-0x0000000004930000-0x0000000004A1C000-memory.dmp

Filesize
944KB

Download
memory/2128-26-0x0000000004930000-0x0000000004A1C000-memory.dmp

Filesize
944KB

Download
memory/2128-28-0x0000000004930000-0x0000000004A1C000-memory.dmp

Filesize
944KB

Download
memory/2128-30-0x0000000004930000-0x0000000004A1C000-memory.dmp

Filesize
944KB

Download
memory/2128-32-0x0000000004930000-0x0000000004A1C000-memory.dmp

Filesize
944KB

Download
memory/2128-34-0x0000000004930000-0x0000000004A1C000-memory.dmp

Filesize
944KB

Download
memory/2128-36-0x0000000004930000-0x0000000004A1C000-memory.dmp

Filesize
944KB

Download
memory/2128-56-0x0000000004930000-0x0000000004A1C000-memory.dmp

Filesize
944KB

Download
memory/2128-46-0x0000000004930000-0x0000000004A1C000-memory.dmp

Filesize
944KB

Download
memory/2128-48-0x0000000004930000-0x0000000004A1C000-memory.dmp

Filesize
944KB

Download
memory/2128-50-0x0000000004930000-0x0000000004A1C000-memory.dmp

Filesize
944KB

Download
memory/2128-52-0x0000000004930000-0x0000000004A1C000-memory.dmp

Filesize
944KB

Download
memory/2128-0-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

Filesize
4KB

Download
memory/2128-44-0x0000000004930000-0x0000000004A1C000-memory.dmp

Filesize
944KB

Download
memory/2128-4-0x0000000004930000-0x0000000004A1C000-memory.dmp

Filesize
944KB

Download
memory/2128-1-0x0000000000140000-0x000000000032C000-memory.dmp

Filesize
1.9MB

Download
memory/2128-64-0x0000000004930000-0x0000000004A1C000-memory.dmp

Filesize
944KB

Download
memory/2128-66-0x0000000004930000-0x0000000004A1C000-memory.dmp

Filesize
944KB

Download
memory/2128-60-0x0000000004930000-0x0000000004A1C000-memory.dmp

Filesize
944KB

Download
memory/2128-42-0x0000000004930000-0x0000000004A1C000-memory.dmp

Filesize
944KB

Download
memory/2128-40-0x0000000004930000-0x0000000004A1C000-memory.dmp

Filesize
944KB

Download
memory/2128-38-0x0000000004930000-0x0000000004A1C000-memory.dmp

Filesize
944KB

Download
memory/2128-1077-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2128-1078-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2128-1079-0x0000000002210000-0x000000000227C000-memory.dmp

Filesize
432KB

Download
memory/2128-1080-0x0000000000DA0000-0x0000000000DEC000-memory.dmp

Filesize
304KB

Download
memory/2128-3-0x0000000004930000-0x0000000004A1C000-memory.dmp

Filesize
944KB

Download
memory/2128-62-0x0000000004930000-0x0000000004A1C000-memory.dmp

Filesize
944KB

Download
memory/2128-2-0x0000000004930000-0x0000000004A22000-memory.dmp

Filesize
968KB

Download
memory/2128-1089-0x0000000005390000-0x00000000053E4000-memory.dmp

Filesize
336KB

Download
memory/2128-1094-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2128-1093-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

Filesize
4KB

Download
memory/5784-1092-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/5784-1090-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/5784-1103-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/5784-1088-0x00000000002E0000-0x00000000002EA000-memory.dmp

Filesize
40KB

Download
memory/5992-1102-0x0000000000DC0000-0x000000000103C000-memory.dmp

Filesize
2.5MB

Download
memory/5992-1104-0x0000000004C00000-0x0000000004D82000-memory.dmp

Filesize
1.5MB

Download
memory/5992-2179-0x00000000045C0000-0x00000000046BC000-memory.dmp

Filesize
1008KB

Download
memory/5992-2180-0x0000000000CD0000-0x0000000000D24000-memory.dmp

Filesize
336KB

Download