8c402138d923ed8e4403dd04010eaa9c593f42fc02c5fa349774c44d8dda006e

Analysis

max time kernel
33s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
17/03/2023, 04:10

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General

Target

bK7G.exe
Size

23KB
MD5

227368ebab549d28b20ce786f72320c7
SHA1

50f7d115ef22a2ea3d906af5e675f416ee78b5b8
SHA256

8c402138d923ed8e4403dd04010eaa9c593f42fc02c5fa349774c44d8dda006e
SHA512

9fd1d82ba2c09c23280ab00cf99790d2c66d1c4e1ebed32b6e8f5ab5f27814d95c800b18da216656b536f3f0cb1c069a29ada8ec46c6a8805e9dc2a630651f39
SSDEEP

384:0oWtkEwn65rgjAsGipk58D16xgXakhbZD0mRvR6JZlbw8hqIusZzZMQ:j7O89pbrRpcnui

Score

8^/10

evasion

Malware Config

Signatures

Modifies Windows Firewall 1 TTPs 2 IoCs

evasion

Modify Existing Service

T1031

pid	Process
1672	netsh.exe
604	netsh.exe

Deletes itself 1 IoCs

pid	Process
1540	cmd.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1656	PING.EXE

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2036	bK7G.exe
Token: 33	2036	bK7G.exe
Token: SeIncBasePriorityPrivilege	2036	bK7G.exe
Token: 33	2036	bK7G.exe
Token: SeIncBasePriorityPrivilege	2036	bK7G.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 1672	2036	bK7G.exe	28
PID 2036 wrote to memory of 1672	2036	bK7G.exe	28
PID 2036 wrote to memory of 1672	2036	bK7G.exe	28
PID 2036 wrote to memory of 1672	2036	bK7G.exe	28
PID 2036 wrote to memory of 604	2036	bK7G.exe	31
PID 2036 wrote to memory of 604	2036	bK7G.exe	31
PID 2036 wrote to memory of 604	2036	bK7G.exe	31
PID 2036 wrote to memory of 604	2036	bK7G.exe	31
PID 2036 wrote to memory of 1540	2036	bK7G.exe	33
PID 2036 wrote to memory of 1540	2036	bK7G.exe	33
PID 2036 wrote to memory of 1540	2036	bK7G.exe	33
PID 2036 wrote to memory of 1540	2036	bK7G.exe	33
PID 1540 wrote to memory of 1656	1540	cmd.exe	35
PID 1540 wrote to memory of 1656	1540	cmd.exe	35
PID 1540 wrote to memory of 1656	1540	cmd.exe	35
PID 1540 wrote to memory of 1656	1540	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\bK7G.exe
"C:\Users\Admin\AppData\Local\Temp\bK7G.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\bK7G.exe" "bK7G.exe" ENABLE
  2⤵
  - Modifies Windows Firewall
  PID:1672
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\Temp\bK7G.exe"
  2⤵
  - Modifies Windows Firewall
  PID:604
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 0 -n 2 & del "C:\Users\Admin\AppData\Local\Temp\bK7G.exe"
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1540
- - C:\Windows\SysWOW64\PING.EXE
    ping 0 -n 2
    3⤵
    - Runs ping.exe
    PID:1656

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Privilege Escalation

Defense Evasion

Web Service

T1102

Credential Access

Discovery

Remote System Discovery

T1018

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2036-54-0x0000000000B50000-0x0000000000B90000-memory.dmp

Filesize
256KB

Download
memory/2036-55-0x0000000000B50000-0x0000000000B90000-memory.dmp

Filesize
256KB

Download
memory/2036-56-0x0000000000B50000-0x0000000000B90000-memory.dmp

Filesize
256KB

Download
memory/2036-57-0x0000000000B50000-0x0000000000B90000-memory.dmp

Filesize
256KB

Download