016404b6167e37de1d2ca10010bab8b33dd102eca84b6e49d62f28a082004732

Analysis

max time kernel
141s
max time network
148s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
06-06-2023 22:55

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General

Target

b8f8323ffe1e53ad1993f6f0fc91d38c.exe
Size

93KB
MD5

b8f8323ffe1e53ad1993f6f0fc91d38c
SHA1

2c9fc140de6f527fd62482428c89b3b8a9e0b2ab
SHA256

016404b6167e37de1d2ca10010bab8b33dd102eca84b6e49d62f28a082004732
SHA512

d53990669b279c7a537a04e83f21410fc0e7824dd41700fb3d09496ffcf2934a4b2b05cd6be000873ddf786b39ddfc55685b692e5293d915e14a1cc082b8fb14
SSDEEP

1536:Cl+C+xhUa9urgOBPmNvM4jEwzGi1dDdDkgS:ClIUa9urgOkdGi1dJd

Score

8^/10

evasion

Malware Config

Signatures

Modifies Windows Firewall 1 TTPs 3 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exenetsh.exenetsh.exe

pid process

1596 netsh.exe
1008 netsh.exe
468 netsh.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

b8f8323ffe1e53ad1993f6f0fc91d38c.exe

pid process

1600 b8f8323ffe1e53ad1993f6f0fc91d38c.exe

pid	process
1596	netsh.exe
1008	netsh.exe
468	netsh.exe

pid	process
1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

Processes:

b8f8323ffe1e53ad1993f6f0fc91d38c.exe

description	pid	process
Token: SeDebugPrivilege	1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe
Token: 33	1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe
Token: SeIncBasePriorityPrivilege	1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe
Token: 33	1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe
Token: SeIncBasePriorityPrivilege	1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe
Token: 33	1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe
Token: SeIncBasePriorityPrivilege	1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe
Token: 33	1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe
Token: SeIncBasePriorityPrivilege	1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe
Token: 33	1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe
Token: SeIncBasePriorityPrivilege	1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe
Token: 33	1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe
Token: SeIncBasePriorityPrivilege	1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe
Token: 33	1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe
Token: SeIncBasePriorityPrivilege	1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe
Token: 33	1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe
Token: SeIncBasePriorityPrivilege	1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe
Token: 33	1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe
Token: SeIncBasePriorityPrivilege	1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe
Token: 33	1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe
Token: SeIncBasePriorityPrivilege	1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe
Token: 33	1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe
Token: SeIncBasePriorityPrivilege	1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

b8f8323ffe1e53ad1993f6f0fc91d38c.exe

description	pid	process	target process
PID 1600 wrote to memory of 1596	1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe	netsh.exe
PID 1600 wrote to memory of 1596	1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe	netsh.exe
PID 1600 wrote to memory of 1596	1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe	netsh.exe
PID 1600 wrote to memory of 1596	1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe	netsh.exe
PID 1600 wrote to memory of 1008	1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe	netsh.exe
PID 1600 wrote to memory of 1008	1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe	netsh.exe
PID 1600 wrote to memory of 1008	1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe	netsh.exe
PID 1600 wrote to memory of 1008	1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe	netsh.exe
PID 1600 wrote to memory of 468	1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe	netsh.exe
PID 1600 wrote to memory of 468	1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe	netsh.exe
PID 1600 wrote to memory of 468	1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe	netsh.exe
PID 1600 wrote to memory of 468	1600	b8f8323ffe1e53ad1993f6f0fc91d38c.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\b8f8323ffe1e53ad1993f6f0fc91d38c.exe
"C:\Users\Admin\AppData\Local\Temp\b8f8323ffe1e53ad1993f6f0fc91d38c.exe"
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1600

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\b8f8323ffe1e53ad1993f6f0fc91d38c.exe" "b8f8323ffe1e53ad1993f6f0fc91d38c.exe" ENABLE
2⤵
- Modifies Windows Firewall
PID:1596

C:\Windows\SysWOW64\netsh.exe
netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\Temp\b8f8323ffe1e53ad1993f6f0fc91d38c.exe"
2⤵
- Modifies Windows Firewall
PID:1008

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\b8f8323ffe1e53ad1993f6f0fc91d38c.exe" "b8f8323ffe1e53ad1993f6f0fc91d38c.exe" ENABLE
2⤵
- Modifies Windows Firewall
PID:468

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

T1102

Impact

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Downloads

memory/1600-54-0x0000000002280000-0x00000000022C0000-memory.dmp

Filesize
256KB

Download
memory/1600-56-0x0000000002280000-0x00000000022C0000-memory.dmp

Filesize
256KB

Download