77b9bdaabfc44623b250506afbc21196faf13807a2204b749538d17b5b800c37

Analysis

max time kernel
122s
max time network
137s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
27-11-2022 22:04

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General

Target

77b9bdaabfc44623b250506afbc21196faf13807a2204b749538d17b5b800c37.exe
Size

48KB
MD5

a30000b0091381b46ea9bd80c2dfc080
SHA1

dc10fd371e827b55446aad9bf8f18e1dcd34af73
SHA256

77b9bdaabfc44623b250506afbc21196faf13807a2204b749538d17b5b800c37
SHA512

56482fdd7ff6f21e451d3f348243e670986e8b12606738035fb96143c0eb1b96dd32dfd4d3bee9ab6d0014c0e65a10d7596780adc1932616ef85626c18b267d8
SSDEEP

768:BZ6DFma8K6HC4kj5Jp9jrQOV/W4jcAFVLymH6SKd3j8oi4p63Suc:+FSHHzgJL5V/Wec4OmaSs8M64

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
672	Smssvchost.exe

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Smssvchost\Parameters\ServiceDll = "C:\\Program Files (x86)\\Google\\7074146.dll"	77b9bdaabfc44623b250506afbc21196faf13807a2204b749538d17b5b800c37.exe

Deletes itself 1 IoCs

pid	Process
1472	cmd.exe

Loads dropped DLL 7 IoCs

pid	Process
1788	77b9bdaabfc44623b250506afbc21196faf13807a2204b749538d17b5b800c37.exe
1092	svchost.exe
1092	svchost.exe
672	Smssvchost.exe
672	Smssvchost.exe
672	Smssvchost.exe
672	Smssvchost.exe

Creates a Windows Service
persistence

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Smssvchost.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Smssvchost.exe	svchost.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Google\7074146.dll	77b9bdaabfc44623b250506afbc21196faf13807a2204b749538d17b5b800c37.exe

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

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
608	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1788	77b9bdaabfc44623b250506afbc21196faf13807a2204b749538d17b5b800c37.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1788	77b9bdaabfc44623b250506afbc21196faf13807a2204b749538d17b5b800c37.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1788	77b9bdaabfc44623b250506afbc21196faf13807a2204b749538d17b5b800c37.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1788 wrote to memory of 1472	1788	77b9bdaabfc44623b250506afbc21196faf13807a2204b749538d17b5b800c37.exe	29
PID 1788 wrote to memory of 1472	1788	77b9bdaabfc44623b250506afbc21196faf13807a2204b749538d17b5b800c37.exe	29
PID 1788 wrote to memory of 1472	1788	77b9bdaabfc44623b250506afbc21196faf13807a2204b749538d17b5b800c37.exe	29
PID 1788 wrote to memory of 1472	1788	77b9bdaabfc44623b250506afbc21196faf13807a2204b749538d17b5b800c37.exe	29
PID 1788 wrote to memory of 1472	1788	77b9bdaabfc44623b250506afbc21196faf13807a2204b749538d17b5b800c37.exe	29
PID 1788 wrote to memory of 1472	1788	77b9bdaabfc44623b250506afbc21196faf13807a2204b749538d17b5b800c37.exe	29
PID 1788 wrote to memory of 1472	1788	77b9bdaabfc44623b250506afbc21196faf13807a2204b749538d17b5b800c37.exe	29
PID 1472 wrote to memory of 608	1472	cmd.exe	31
PID 1472 wrote to memory of 608	1472	cmd.exe	31
PID 1472 wrote to memory of 608	1472	cmd.exe	31
PID 1472 wrote to memory of 608	1472	cmd.exe	31
PID 1472 wrote to memory of 608	1472	cmd.exe	31
PID 1472 wrote to memory of 608	1472	cmd.exe	31
PID 1472 wrote to memory of 608	1472	cmd.exe	31
PID 1092 wrote to memory of 672	1092	svchost.exe	32
PID 1092 wrote to memory of 672	1092	svchost.exe	32
PID 1092 wrote to memory of 672	1092	svchost.exe	32
PID 1092 wrote to memory of 672	1092	svchost.exe	32

C:\Users\Admin\AppData\Local\Temp\77b9bdaabfc44623b250506afbc21196faf13807a2204b749538d17b5b800c37.exe
"C:\Users\Admin\AppData\Local\Temp\77b9bdaabfc44623b250506afbc21196faf13807a2204b749538d17b5b800c37.exe"
1⤵
- Sets DLL path for service in the registry
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1788
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 1 && del /f/q "C:\Users\Admin\AppData\Local\Temp\77b9bdaabfc44623b250506afbc21196faf13807a2204b749538d17b5b800c37.exe"
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1472
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 1
    3⤵
    - Runs ping.exe
    PID:608

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Smssvchost"
1⤵
PID:888

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Smssvchost"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1092
- C:\Windows\SysWOW64\Smssvchost.exe
  C:\Windows\system32\Smssvchost.exe "c:\program files (x86)\google\7074146.dll",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:672

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\Smssvchost.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
C:\Windows\SysWOW64\Smssvchost.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
\??\c:\program files (x86)\google\7074146.dll

Filesize
26KB

MD5
81d76e81ec536e85a6095a3375dc0672

SHA1
2d1aef19a6c85f7e168c1545a699c2a0a86b328f

SHA256
89d003d5177aba72aa23821ba7cf9036a071c51c18575fba2dd2ddac747a4fcb

SHA512
00c928817372818fa31a8ad970552340acb806eb14e04d917702f35685630945ffb9781ebac7ba412939abb7c30a8b4d4675e55216374e9ba392f50f1b3709d0

Download Submit
\Program Files (x86)\Google\7074146.dll

Filesize
26KB

MD5
81d76e81ec536e85a6095a3375dc0672

SHA1
2d1aef19a6c85f7e168c1545a699c2a0a86b328f

SHA256
89d003d5177aba72aa23821ba7cf9036a071c51c18575fba2dd2ddac747a4fcb

SHA512
00c928817372818fa31a8ad970552340acb806eb14e04d917702f35685630945ffb9781ebac7ba412939abb7c30a8b4d4675e55216374e9ba392f50f1b3709d0

Download Submit
\Program Files (x86)\Google\7074146.dll

Filesize
26KB

MD5
81d76e81ec536e85a6095a3375dc0672

SHA1
2d1aef19a6c85f7e168c1545a699c2a0a86b328f

SHA256
89d003d5177aba72aa23821ba7cf9036a071c51c18575fba2dd2ddac747a4fcb

SHA512
00c928817372818fa31a8ad970552340acb806eb14e04d917702f35685630945ffb9781ebac7ba412939abb7c30a8b4d4675e55216374e9ba392f50f1b3709d0

Download Submit
\Program Files (x86)\Google\7074146.dll

Filesize
26KB

MD5
81d76e81ec536e85a6095a3375dc0672

SHA1
2d1aef19a6c85f7e168c1545a699c2a0a86b328f

SHA256
89d003d5177aba72aa23821ba7cf9036a071c51c18575fba2dd2ddac747a4fcb

SHA512
00c928817372818fa31a8ad970552340acb806eb14e04d917702f35685630945ffb9781ebac7ba412939abb7c30a8b4d4675e55216374e9ba392f50f1b3709d0

Download Submit
\Program Files (x86)\Google\7074146.dll

Filesize
26KB

MD5
81d76e81ec536e85a6095a3375dc0672

SHA1
2d1aef19a6c85f7e168c1545a699c2a0a86b328f

SHA256
89d003d5177aba72aa23821ba7cf9036a071c51c18575fba2dd2ddac747a4fcb

SHA512
00c928817372818fa31a8ad970552340acb806eb14e04d917702f35685630945ffb9781ebac7ba412939abb7c30a8b4d4675e55216374e9ba392f50f1b3709d0

Download Submit
\Program Files (x86)\Google\7074146.dll

Filesize
26KB

MD5
81d76e81ec536e85a6095a3375dc0672

SHA1
2d1aef19a6c85f7e168c1545a699c2a0a86b328f

SHA256
89d003d5177aba72aa23821ba7cf9036a071c51c18575fba2dd2ddac747a4fcb

SHA512
00c928817372818fa31a8ad970552340acb806eb14e04d917702f35685630945ffb9781ebac7ba412939abb7c30a8b4d4675e55216374e9ba392f50f1b3709d0

Download Submit
\Program Files (x86)\Google\7074146.dll

Filesize
26KB

MD5
81d76e81ec536e85a6095a3375dc0672

SHA1
2d1aef19a6c85f7e168c1545a699c2a0a86b328f

SHA256
89d003d5177aba72aa23821ba7cf9036a071c51c18575fba2dd2ddac747a4fcb

SHA512
00c928817372818fa31a8ad970552340acb806eb14e04d917702f35685630945ffb9781ebac7ba412939abb7c30a8b4d4675e55216374e9ba392f50f1b3709d0

Download Submit
\Windows\SysWOW64\Smssvchost.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/1788-54-0x00000000761F1000-0x00000000761F3000-memory.dmp

Filesize
8KB

Download