cb5892e66ce5c2e7b5ab9946e77e1e634fdc5588a729ad6fdaaa4fd822f27051

Analysis

max time kernel
171s
max time network
176s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
26-11-2022 18:03

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General

Target

server.exe
Size

56KB
MD5

f1df8c367943c17dfebdd15b127e33e7
SHA1

fe898d4f2cf5b793368a071e9f9590cd4cc4e2ef
SHA256

f9db82c372cf49d7adfeb19deb46a8f291cccd255acd7402d8bd8188eec85a18
SHA512

55ca309b55da46a1a27962d477524bc8cbdd929583b716725efa425ea775aba7f8a4c2c7a798c9a3897ee50bf183ceed8ee5a4c7288f16d361ef4926252535ef
SSDEEP

768:QUuzp0fg4fyRR5tHC4kt5Jp9k0FBxTJp8jSE5+Nk/QBeLPJbukgb4a:zfFYrHzmJcABxt2mE5OAkYJyz4a

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1176	123.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\123\Parameters\ServiceDll = "C:\\Program Files (x86)\\Google\\7109074.dll"	server.exe

Deletes itself 1 IoCs

pid	Process
2044	cmd.exe

Loads dropped DLL 7 IoCs

pid	Process
1056	server.exe
944	svchost.exe
944	svchost.exe
1176	123.exe
1176	123.exe
1176	123.exe
1176	123.exe

Creates a Windows Service
persistence

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\123.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\123.exe	svchost.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Google\7109074.dll	server.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
1984	PING.EXE

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1056	server.exe
1056	server.exe
1056	server.exe
1056	server.exe
1056	server.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1056	server.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1056	server.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1056 wrote to memory of 2044	1056	server.exe	30
PID 1056 wrote to memory of 2044	1056	server.exe	30
PID 1056 wrote to memory of 2044	1056	server.exe	30
PID 1056 wrote to memory of 2044	1056	server.exe	30
PID 2044 wrote to memory of 1984	2044	cmd.exe	32
PID 2044 wrote to memory of 1984	2044	cmd.exe	32
PID 2044 wrote to memory of 1984	2044	cmd.exe	32
PID 2044 wrote to memory of 1984	2044	cmd.exe	32
PID 944 wrote to memory of 1176	944	svchost.exe	33
PID 944 wrote to memory of 1176	944	svchost.exe	33
PID 944 wrote to memory of 1176	944	svchost.exe	33
PID 944 wrote to memory of 1176	944	svchost.exe	33

C:\Users\Admin\AppData\Local\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\server.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:1056
- 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\server.exe"
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2044
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 1
    3⤵
    - Runs ping.exe
    PID:1984

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "123"
1⤵
PID:948

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "123"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:944
- C:\Windows\SysWOW64\123.exe
  C:\Windows\system32\123.exe "c:\program files (x86)\google\7109074.dll",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1176

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\123.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
C:\Windows\SysWOW64\123.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
\??\c:\program files (x86)\google\7109074.dll

Filesize
26KB

MD5
7584e503fa363f192940905470467f87

SHA1
212df83d88300008faef1730d14f7945930c6836

SHA256
b041bd2a32989f79b513e54bec057e6f5769eb00f95011ae1e7e487df407a913

SHA512
c4835b299d62a821cff5eae30809d26011838443e7fab554ab2884d7cf9e17a720ceb38086ccac09ee5f99ce1bc7ebdf1e11114960101fb56e010a97168568e5

Download Submit
\Program Files (x86)\Google\7109074.dll

Filesize
26KB

MD5
7584e503fa363f192940905470467f87

SHA1
212df83d88300008faef1730d14f7945930c6836

SHA256
b041bd2a32989f79b513e54bec057e6f5769eb00f95011ae1e7e487df407a913

SHA512
c4835b299d62a821cff5eae30809d26011838443e7fab554ab2884d7cf9e17a720ceb38086ccac09ee5f99ce1bc7ebdf1e11114960101fb56e010a97168568e5

Download Submit
\Program Files (x86)\Google\7109074.dll

Filesize
26KB

MD5
7584e503fa363f192940905470467f87

SHA1
212df83d88300008faef1730d14f7945930c6836

SHA256
b041bd2a32989f79b513e54bec057e6f5769eb00f95011ae1e7e487df407a913

SHA512
c4835b299d62a821cff5eae30809d26011838443e7fab554ab2884d7cf9e17a720ceb38086ccac09ee5f99ce1bc7ebdf1e11114960101fb56e010a97168568e5

Download Submit
\Program Files (x86)\Google\7109074.dll

Filesize
26KB

MD5
7584e503fa363f192940905470467f87

SHA1
212df83d88300008faef1730d14f7945930c6836

SHA256
b041bd2a32989f79b513e54bec057e6f5769eb00f95011ae1e7e487df407a913

SHA512
c4835b299d62a821cff5eae30809d26011838443e7fab554ab2884d7cf9e17a720ceb38086ccac09ee5f99ce1bc7ebdf1e11114960101fb56e010a97168568e5

Download Submit
\Program Files (x86)\Google\7109074.dll

Filesize
26KB

MD5
7584e503fa363f192940905470467f87

SHA1
212df83d88300008faef1730d14f7945930c6836

SHA256
b041bd2a32989f79b513e54bec057e6f5769eb00f95011ae1e7e487df407a913

SHA512
c4835b299d62a821cff5eae30809d26011838443e7fab554ab2884d7cf9e17a720ceb38086ccac09ee5f99ce1bc7ebdf1e11114960101fb56e010a97168568e5

Download Submit
\Program Files (x86)\Google\7109074.dll

Filesize
26KB

MD5
7584e503fa363f192940905470467f87

SHA1
212df83d88300008faef1730d14f7945930c6836

SHA256
b041bd2a32989f79b513e54bec057e6f5769eb00f95011ae1e7e487df407a913

SHA512
c4835b299d62a821cff5eae30809d26011838443e7fab554ab2884d7cf9e17a720ceb38086ccac09ee5f99ce1bc7ebdf1e11114960101fb56e010a97168568e5

Download Submit
\Program Files (x86)\Google\7109074.dll

Filesize
26KB

MD5
7584e503fa363f192940905470467f87

SHA1
212df83d88300008faef1730d14f7945930c6836

SHA256
b041bd2a32989f79b513e54bec057e6f5769eb00f95011ae1e7e487df407a913

SHA512
c4835b299d62a821cff5eae30809d26011838443e7fab554ab2884d7cf9e17a720ceb38086ccac09ee5f99ce1bc7ebdf1e11114960101fb56e010a97168568e5

Download Submit
\Windows\SysWOW64\123.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/1056-54-0x0000000075E31000-0x0000000075E33000-memory.dmp

Filesize
8KB

Download