526b432752bac2edc49ee4a3cc2428f5d7249fa3afe66deba5d23e12e4bce68c

Analysis

max time kernel
149s
max time network
155s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
19-11-2024 23:52

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General

Target

Rack/6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe
Size

96KB
MD5

833a318c7e39fff973bc37a66715b452
SHA1

e5d5539eb70c8a23cb115dd042fb3693a775cbba
SHA256

6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9
SHA512

821c8bfd341bc2f5d83f66e9e5844b6ebd5ab0dd633bc0a1fddfba079831485f4f7507e8abeabb9265199a9a959b1dd0299a5bb1bee09780386aade6e6efde94
SSDEEP

1536:akH/EAQ3tLLXfHY1P6I/v5zKdNm/UhVqLas/OFgnND:aBAQ3hfCP6Y52g/UhVqOeOGnND

Score

10^/10

discovery evasion persistence trojan

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Processes:

msiexec.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	msiexec.exe

UAC bypass 3 TTPs 1 IoCs
evasion trojan

Bypass User Account Control
T1548.002

Disable or Modify Tools
T1562.001

Modify Registry
T1112

Processes:

msiexec.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" msiexec.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	msiexec.exe

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

msiexec.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\software\microsoft\windows\currentversion\Policies\Explorer\Run	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\1157251025 = "C:\\ProgramData\\mszubi.exe"	msiexec.exe

Disables taskbar notifications via registry modification
evasion
Deletes itself 1 IoCs

Processes:

msiexec.exe

pid process

2984 msiexec.exe

pid	process
2984	msiexec.exe

Blocklisted process makes network request 60 IoCs

Processes:

msiexec.exe

flow	pid	process
3	2984	msiexec.exe
4	2984	msiexec.exe
6	2984	msiexec.exe
7	2984	msiexec.exe
10	2984	msiexec.exe
12	2984	msiexec.exe
14	2984	msiexec.exe
16	2984	msiexec.exe
18	2984	msiexec.exe
20	2984	msiexec.exe
22	2984	msiexec.exe
24	2984	msiexec.exe
26	2984	msiexec.exe
28	2984	msiexec.exe
30	2984	msiexec.exe
32	2984	msiexec.exe
34	2984	msiexec.exe
36	2984	msiexec.exe
38	2984	msiexec.exe
40	2984	msiexec.exe
42	2984	msiexec.exe
44	2984	msiexec.exe
46	2984	msiexec.exe
48	2984	msiexec.exe
50	2984	msiexec.exe
52	2984	msiexec.exe
54	2984	msiexec.exe
56	2984	msiexec.exe
58	2984	msiexec.exe
60	2984	msiexec.exe
61	2984	msiexec.exe
62	2984	msiexec.exe
63	2984	msiexec.exe
64	2984	msiexec.exe
65	2984	msiexec.exe
66	2984	msiexec.exe
67	2984	msiexec.exe
68	2984	msiexec.exe
69	2984	msiexec.exe
70	2984	msiexec.exe
71	2984	msiexec.exe
72	2984	msiexec.exe
73	2984	msiexec.exe
74	2984	msiexec.exe
75	2984	msiexec.exe
76	2984	msiexec.exe
77	2984	msiexec.exe
78	2984	msiexec.exe
79	2984	msiexec.exe
80	2984	msiexec.exe
81	2984	msiexec.exe
82	2984	msiexec.exe
83	2984	msiexec.exe
84	2984	msiexec.exe
85	2984	msiexec.exe
86	2984	msiexec.exe
87	2984	msiexec.exe
88	2984	msiexec.exe
89	2984	msiexec.exe
90	2984	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe

description	pid	process	target process
PID 2336 set thread context of 2600	2336	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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

Processes:

msiexec.exe6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exemsiexec.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exemsiexec.exe

pid	process
2336	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe
2600	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe
2984	msiexec.exe

Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe

pid	process
2600	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe
2600	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe
2600	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

msiexec.exe

description pid process

Token: SeDebugPrivilege 2984 msiexec.exe

description	pid	process
Token: SeDebugPrivilege	2984	msiexec.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe

pid	process
2336	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe
2336	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe

description	pid	process	target process
PID 2336 wrote to memory of 2600	2336	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe
PID 2336 wrote to memory of 2600	2336	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe
PID 2336 wrote to memory of 2600	2336	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe
PID 2336 wrote to memory of 2600	2336	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe
PID 2336 wrote to memory of 2600	2336	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe
PID 2336 wrote to memory of 2600	2336	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe
PID 2336 wrote to memory of 2600	2336	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe
PID 2336 wrote to memory of 2600	2336	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe
PID 2336 wrote to memory of 2600	2336	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe
PID 2600 wrote to memory of 3032	2600	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe	msiexec.exe
PID 2600 wrote to memory of 3032	2600	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe	msiexec.exe
PID 2600 wrote to memory of 3032	2600	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe	msiexec.exe
PID 2600 wrote to memory of 3032	2600	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe	msiexec.exe
PID 2600 wrote to memory of 3032	2600	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe	msiexec.exe
PID 2600 wrote to memory of 3032	2600	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe	msiexec.exe
PID 2600 wrote to memory of 3032	2600	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe	msiexec.exe
PID 2600 wrote to memory of 2984	2600	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe	msiexec.exe
PID 2600 wrote to memory of 2984	2600	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe	msiexec.exe
PID 2600 wrote to memory of 2984	2600	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe	msiexec.exe
PID 2600 wrote to memory of 2984	2600	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe	msiexec.exe
PID 2600 wrote to memory of 2984	2600	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe	msiexec.exe
PID 2600 wrote to memory of 2984	2600	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe	msiexec.exe
PID 2600 wrote to memory of 2984	2600	6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe	msiexec.exe

C:\Users\Admin\AppData\Local\Temp\Rack\6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe
"C:\Users\Admin\AppData\Local\Temp\Rack\6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2336
- C:\Users\Admin\AppData\Local\Temp\Rack\6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe
  "C:\Users\Admin\AppData\Local\Temp\Rack\6235491cac4d58eb04c20f1649de6b3381972cdd33158b797fa6f6845afcd2c9.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2600
- - C:\Windows\SysWOW64\msiexec.exe
    "C:\Windows\system32\msiexec.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3032
- - C:\Windows\SysWOW64\msiexec.exe
    "C:\Windows\system32\msiexec.exe"
    3⤵
    - Modifies visiblity of hidden/system files in Explorer
    - UAC bypass
    - Adds policy Run key to start application
    - Deletes itself
    - Blocklisted process makes network request
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2984

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

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2336-1-0x0000000000300000-0x0000000000304000-memory.dmp

Filesize
16KB

Download
memory/2336-0-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2336-13-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2600-15-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2600-2-0x00000000001B0000-0x00000000002AA000-memory.dmp

Filesize
1000KB

Download
memory/2600-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2600-12-0x0000000000400000-0x0000000001B70000-memory.dmp

Filesize
23.4MB

Download
memory/2600-7-0x0000000000400000-0x0000000001B70000-memory.dmp

Filesize
23.4MB

Download
memory/2600-9-0x0000000000400000-0x0000000001B70000-memory.dmp

Filesize
23.4MB

Download
memory/2600-5-0x0000000000400000-0x0000000001B70000-memory.dmp

Filesize
23.4MB

Download
memory/2600-14-0x0000000000401000-0x0000000000402000-memory.dmp

Filesize
4KB

Download
memory/2984-29-0x000000007EF90000-0x000000007EF97000-memory.dmp

Filesize
28KB

Download
memory/2984-25-0x000000007EF90000-0x000000007EF97000-memory.dmp

Filesize
28KB

Download
memory/2984-30-0x000000007EF90000-0x000000007EF97000-memory.dmp

Filesize
28KB

Download
memory/2984-31-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download
memory/2984-32-0x000000007EF90000-0x000000007EF97000-memory.dmp

Filesize
28KB

Download
memory/2984-33-0x000000007EF90000-0x000000007EF97000-memory.dmp

Filesize
28KB

Download
memory/2984-34-0x000000007EF90000-0x000000007EF97000-memory.dmp

Filesize
28KB

Download
memory/3032-19-0x00000000007F0000-0x0000000000804000-memory.dmp

Filesize
80KB

Download
memory/3032-17-0x00000000007F0000-0x0000000000804000-memory.dmp

Filesize
80KB

Download
memory/3032-16-0x00000000007F0000-0x0000000000804000-memory.dmp

Filesize
80KB

Download