7a7826e3a413ce0f8542b99933a8efd8ed5d7cf7ee293c6c99fe1ed74bdd50d5

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
06/04/2023, 12:21

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General

Target
file.exe
Size 813KB
Sample230406-pjbl2ada35
SHA256 7a7826e3a413ce0f8542b99933a8efd8ed5d7cf7ee293c6c99fe1ed74bdd50d5
MD5 9f6f14e97155618a5b32031291a9b512
SHA1 b8410d11945497b3d21df309c370734a07aa29a9
SHA512 2ae5800bd78c82cabe7c86054f82e731910dc1d2b418ec367dd6dcbfffbd9e502c432c4a8cf5b59a634a86ccbfbf583d2fd276badc8b9408cdf736f35b9e1a9f
SSDEEP 12288:w5Eo2iNRVDubFSsXp4spKhrJ3eCFDokwHOYnfVMm7FAkojBa/Uyc:Ro1+YsXaspKhrJOoDjenfVr7Kk1
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

spyware stealer

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
7	888	cmstp.exe

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Control Panel\International\Geo\Nation	file.exe

Loads dropped DLL 1 IoCs

pid	Process
888	cmstp.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2000 set thread context of 564	2000	file.exe	28
PID 564 set thread context of 1248	564	file.exe	13
PID 888 set thread context of 1248	888	cmstp.exe	13

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-1563773381-2037468142-1146002597-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmstp.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2000	file.exe
564	file.exe
564	file.exe
564	file.exe
564	file.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1248	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
564	file.exe
564	file.exe
564	file.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe
888	cmstp.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2000	file.exe
Token: SeDebugPrivilege	564	file.exe
Token: SeDebugPrivilege	888	cmstp.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1248	Explorer.EXE
1248	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1248	Explorer.EXE
1248	Explorer.EXE

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 544	2000	file.exe	27
PID 2000 wrote to memory of 544	2000	file.exe	27
PID 2000 wrote to memory of 544	2000	file.exe	27
PID 2000 wrote to memory of 544	2000	file.exe	27
PID 2000 wrote to memory of 564	2000	file.exe	28
PID 2000 wrote to memory of 564	2000	file.exe	28
PID 2000 wrote to memory of 564	2000	file.exe	28
PID 2000 wrote to memory of 564	2000	file.exe	28
PID 2000 wrote to memory of 564	2000	file.exe	28
PID 2000 wrote to memory of 564	2000	file.exe	28
PID 2000 wrote to memory of 564	2000	file.exe	28
PID 1248 wrote to memory of 888	1248	Explorer.EXE	29
PID 1248 wrote to memory of 888	1248	Explorer.EXE	29
PID 1248 wrote to memory of 888	1248	Explorer.EXE	29
PID 1248 wrote to memory of 888	1248	Explorer.EXE	29
PID 1248 wrote to memory of 888	1248	Explorer.EXE	29
PID 1248 wrote to memory of 888	1248	Explorer.EXE	29
PID 1248 wrote to memory of 888	1248	Explorer.EXE	29
PID 888 wrote to memory of 1940	888	cmstp.exe	32
PID 888 wrote to memory of 1940	888	cmstp.exe	32
PID 888 wrote to memory of 1940	888	cmstp.exe	32
PID 888 wrote to memory of 1940	888	cmstp.exe	32
PID 888 wrote to memory of 1940	888	cmstp.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1248
- C:\Users\Admin\AppData\Local\Temp\file.exe
  "C:\Users\Admin\AppData\Local\Temp\file.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2000
- - C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    3⤵
    PID:544
- - C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    3⤵
    - Checks computer location settings
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:564
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.exe"
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:888
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1940

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

qt-dd.zip

Path C:\Users\Admin\AppData\Local\Temp\qt-dd.zip
Size 434KB
SHA256 3102600d3ad67b0e3f132bc0f8e0e66d976ba3700c3cc96459b65a87fa57c373
MD5 6366b1751087ba991f1b4188a3f38486
SHA1 449fab91dcd435e62a96dc4b400671ba0460a84a
SHA512 e1a8eb6dcfe0732299ccf74a0e61acbd132da4abac8aad996c2ba481328c0671530a55347f694f23a01a40e2343976196fc09fdd4573ab996a8a88d8e7693b90
SSDEEP 12288:RaZZ97T/sA89QNsAfQyFUpl8tDS3smnf1lAzoB:693EHysOUpiDS3sq9lX
MD5 SHA1 SHA512 SSDEEP

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sqlite3.dll

Path \Users\Admin\AppData\Local\Temp\sqlite3.dll
Size 831KB
SHA256 d70b27121bb33012560b14a7bd597666d76193d7dc5f89e2ac5e7507240bf708
MD5 f4d8be409d1bd016a7b3b2580a2b90fb
SHA1 a68e1f6a9b2234f2269d9cf1fbda94124c428dbe
SHA512 9892cd38d77898fe7916a8810c82a377bbcb4f0c3f75a8295943fa29a5cb4daec95a1600a74614f31ec723967fd95721174042f2e54b12e52fe85202cdf052df
SSDEEP 12288:6sdXse6RjQUVgidnUAOJY++BQgHhe5GAzo6pgWZRjtVVzpJNO7UpA:6sNLkjQJ4nvyY+PSEXo6NZRjHVhGUpA
MD5 SHA1 SHA512 SSDEEP

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memory/564-68-0x00000000009F0000-0x0000000000CF3000-memory.dmp

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memory/564-65-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/564-69-0x0000000000230000-0x0000000000240000-memory.dmp

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memory/564-72-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/564-66-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/564-61-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/564-63-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/564-62-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/564-64-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/888-75-0x0000000001F60000-0x0000000002263000-memory.dmp

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memory/888-71-0x0000000000310000-0x0000000000328000-memory.dmp

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memory/888-122-0x0000000061E00000-0x0000000061EBD000-memory.dmp

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memory/888-78-0x0000000001D20000-0x0000000001DAF000-memory.dmp

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memory/888-73-0x0000000000310000-0x0000000000328000-memory.dmp

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memory/888-74-0x0000000000090000-0x00000000000BD000-memory.dmp

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memory/1248-70-0x0000000004F90000-0x00000000050A7000-memory.dmp

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memory/1248-80-0x0000000006FD0000-0x000000000707D000-memory.dmp

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memory/1248-76-0x0000000006FD0000-0x000000000707D000-memory.dmp

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memory/1248-67-0x0000000003C70000-0x0000000003E70000-memory.dmp

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memory/2000-59-0x0000000000430000-0x0000000000436000-memory.dmp

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memory/2000-60-0x0000000000B20000-0x0000000000B58000-memory.dmp

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memory/2000-54-0x0000000000130000-0x0000000000200000-memory.dmp

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memory/2000-57-0x0000000000380000-0x000000000038C000-memory.dmp

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memory/2000-58-0x0000000005120000-0x000000000519C000-memory.dmp

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memory/2000-56-0x0000000000370000-0x0000000000384000-memory.dmp

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memory/2000-55-0x00000000048F0000-0x0000000004930000-memory.dmp

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