51b3773145652b5d559396a08e1282a3a1d92d4df473f774d61791386fca0598

Resubmissions

22-11-2024 22:54

241122-2vh7gaxmfl 10

22-11-2024 03:27

241122-dzqkcatmht 10

22-11-2024 03:16

241122-dsgc4atlgs 10

Analysis

max time kernel
292s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 03:16

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General

Target

b7989d9eacb5a8b224fd183f6ba65e4e6bd30a4f0e4e1a299f0d2b63dcb56730_Archive_useless.zip
Size

110KB
MD5

efb012885a39dd28c11d1c90376162f0
SHA1

0b2d18503c969a388dcc58293303c86426018e2c
SHA256

b7989d9eacb5a8b224fd183f6ba65e4e6bd30a4f0e4e1a299f0d2b63dcb56730
SHA512

4cf3e37f7a8363f5e64a4e8d3377242857126d9979d1a03dd056bd64af6dfc0e15524fa5d16171a955ac4501c420887021db5046aa0ddec0b965c895f4bfb0bd
SSDEEP

3072:0XVgiPOH3Uq6NpYwm0XVgiPOH3Uq6NpYwmW:A5OXUqQH5OXUqQp

Score

7^/10

discovery persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

0.8476237917779167.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Control Panel\International\Geo\Nation	0.8476237917779167.exe

Executes dropped EXE 2 IoCs

Processes:

0.8476237917779167.exezsgblrbrumorwxfizuke.exe

pid process

2576 0.8476237917779167.exe
2420 zsgblrbrumorwxfizuke.exe

pid	process
2576	0.8476237917779167.exe
2420	zsgblrbrumorwxfizuke.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

0.8476237917779167.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\tdebbrpbeeauasj = "C:\\Windows\\aagvgugsuvtyqbhutxjv.exe"	0.8476237917779167.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\tdebbrpbeeauasj = "C:\\ProgramData\\aagvgugsuvtyqbhutxjv.exe"	0.8476237917779167.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\tdebbrpbeeauasj = "C:\\ProgramData\\aagvgugsuvtyqbhutxjv.exe"	0.8476237917779167.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\tdebbrpbeeauasj = "C:\\Windows\\aagvgugsuvtyqbhutxjv.exe"	0.8476237917779167.exe

Drops file in Windows directory 2 IoCs

Processes:

0.8476237917779167.exe

description	ioc	process
File created	C:\Windows\aagvgugsuvtyqbhutxjv.exe	0.8476237917779167.exe
File opened for modification	C:\Windows\aagvgugsuvtyqbhutxjv.exe	0.8476237917779167.exe

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

Processes:

0.8476237917779167.exezsgblrbrumorwxfizuke.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0.8476237917779167.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zsgblrbrumorwxfizuke.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

7zFM.exe

pid process

2136 7zFM.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

7zFM.exe

pid process

2136 7zFM.exe

pid	process
2136	7zFM.exe

pid	process
2136	7zFM.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

7zFM.exe

description	pid	process
Token: SeRestorePrivilege	2136	7zFM.exe
Token: 35	2136	7zFM.exe
Token: SeSecurityPrivilege	2136	7zFM.exe
Token: SeSecurityPrivilege	2136	7zFM.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

7zFM.exe

pid process

2136 7zFM.exe
2136 7zFM.exe
2136 7zFM.exe

pid	process
2136	7zFM.exe
2136	7zFM.exe
2136	7zFM.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

7zFM.exe

description	pid	process	target process
PID 2136 wrote to memory of 2576	2136	7zFM.exe	0.8476237917779167.exe
PID 2136 wrote to memory of 2576	2136	7zFM.exe	0.8476237917779167.exe
PID 2136 wrote to memory of 2576	2136	7zFM.exe	0.8476237917779167.exe
PID 2136 wrote to memory of 2576	2136	7zFM.exe	0.8476237917779167.exe
PID 2136 wrote to memory of 2420	2136	7zFM.exe	zsgblrbrumorwxfizuke.exe
PID 2136 wrote to memory of 2420	2136	7zFM.exe	zsgblrbrumorwxfizuke.exe
PID 2136 wrote to memory of 2420	2136	7zFM.exe	zsgblrbrumorwxfizuke.exe
PID 2136 wrote to memory of 2420	2136	7zFM.exe	zsgblrbrumorwxfizuke.exe

C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\b7989d9eacb5a8b224fd183f6ba65e4e6bd30a4f0e4e1a299f0d2b63dcb56730_Archive_useless.zip"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Users\Admin\AppData\Local\Temp\7zO858B62F6\0.8476237917779167.exe
  "C:\Users\Admin\AppData\Local\Temp\7zO858B62F6\0.8476237917779167.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:2576
- C:\Users\Admin\AppData\Local\Temp\7zO858D50F6\zsgblrbrumorwxfizuke.exe
  "C:\Users\Admin\AppData\Local\Temp\7zO858D50F6\zsgblrbrumorwxfizuke.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2420

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

Query Registry

T1012

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:\ProgramData\vdjvzwnjxxqmrskmukyfebqfjutpiyaq

Filesize
16B

MD5
2ccd4a6682dab48393fc5677e813b1b7

SHA1
2e935c2a7b52aab263a7f725e5aa49506dff27a0

SHA256
69c83915db0c6dac2871e5fe81d01f406466fc85aeaab44702ac1b8c1c34b523

SHA512
afc02b5411f728cd6e9a36353214ba1d5e2cfcf7bbc6381413cd365bd10afc698e41e68725a3977dfeb50fc7f658c2747a28bae6f6715dfd1f5e63936f226e43

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zO858B62F6\0.8476237917779167.exe

Filesize
80KB

MD5
0a2284067bd109885b0597c3a858a88a

SHA1
7634b3d0ede547c81f93fe570ef3102bf0e0ed14

SHA256
19ec0d0e5143940492a1c79c06eb8f18aa9feb356e41b8b79fdc6a16a3bcd7bf

SHA512
6405bee390d0c1f38ad434116de512cb67171b66ec6e4efbb43f08577597da51ab37fae899a6f8231fa17fa60654572e5141c2dbcebe520124db61e7393f9eea

Download Submit
memory/2420-24-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2576-26-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2576-31-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download