38b79f05fd31ee5e5d2a5a6e787f4701b1d4a783cf66aee5ea84fddc280a9d4e

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
23-01-2024 23:42

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General

Target

70dd89fec51a62f42ea627d7bacffb35.exe
Size

299KB
MD5

70dd89fec51a62f42ea627d7bacffb35
SHA1

3dc15bd19ad8f1a566005bef374683424e945ec9
SHA256

38b79f05fd31ee5e5d2a5a6e787f4701b1d4a783cf66aee5ea84fddc280a9d4e
SHA512

94a5b60321ce3bc4ed3f6f827314c8fb683143c57e2c459a338fb27ac24f197946426208b2e929525e95dc5ef9e445ffa456b91db396a71f3b8d367d8612264e
SSDEEP

6144:PlGg0U/RG3shgh4L9FwWSOEaViZdvHkXqN7pGcP6BE9Cqa8RT0NK:Ag0UCk9SWSjZdsXqN7pfP+wdRt

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1956	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2600	oiwwb.exe

Loads dropped DLL 3 IoCs

pid	Process
1956	cmd.exe
1956	cmd.exe
2600	oiwwb.exe

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

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
2120	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2672	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2120	taskkill.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe
2600	oiwwb.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 780 wrote to memory of 1956	780	70dd89fec51a62f42ea627d7bacffb35.exe	28
PID 780 wrote to memory of 1956	780	70dd89fec51a62f42ea627d7bacffb35.exe	28
PID 780 wrote to memory of 1956	780	70dd89fec51a62f42ea627d7bacffb35.exe	28
PID 780 wrote to memory of 1956	780	70dd89fec51a62f42ea627d7bacffb35.exe	28
PID 1956 wrote to memory of 2120	1956	cmd.exe	30
PID 1956 wrote to memory of 2120	1956	cmd.exe	30
PID 1956 wrote to memory of 2120	1956	cmd.exe	30
PID 1956 wrote to memory of 2120	1956	cmd.exe	30
PID 1956 wrote to memory of 2672	1956	cmd.exe	32
PID 1956 wrote to memory of 2672	1956	cmd.exe	32
PID 1956 wrote to memory of 2672	1956	cmd.exe	32
PID 1956 wrote to memory of 2672	1956	cmd.exe	32
PID 1956 wrote to memory of 2600	1956	cmd.exe	33
PID 1956 wrote to memory of 2600	1956	cmd.exe	33
PID 1956 wrote to memory of 2600	1956	cmd.exe	33
PID 1956 wrote to memory of 2600	1956	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\70dd89fec51a62f42ea627d7bacffb35.exe
"C:\Users\Admin\AppData\Local\Temp\70dd89fec51a62f42ea627d7bacffb35.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:780
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 780 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\70dd89fec51a62f42ea627d7bacffb35.exe" & start C:\Users\Admin\AppData\Local\oiwwb.exe -f
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1956
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 780
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2120
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.1
    3⤵
    - Runs ping.exe
    PID:2672
- - C:\Users\Admin\AppData\Local\oiwwb.exe
    C:\Users\Admin\AppData\Local\oiwwb.exe -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:2600

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\oiwwb.exe

Filesize
299KB

MD5
70dd89fec51a62f42ea627d7bacffb35

SHA1
3dc15bd19ad8f1a566005bef374683424e945ec9

SHA256
38b79f05fd31ee5e5d2a5a6e787f4701b1d4a783cf66aee5ea84fddc280a9d4e

SHA512
94a5b60321ce3bc4ed3f6f827314c8fb683143c57e2c459a338fb27ac24f197946426208b2e929525e95dc5ef9e445ffa456b91db396a71f3b8d367d8612264e

Download Submit
memory/780-1-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download
memory/780-0-0x0000000000D80000-0x0000000000D81000-memory.dmp

Filesize
4KB

Download
memory/780-2-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/780-3-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download
memory/780-4-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download
memory/780-5-0x00000000004B0000-0x00000000004B2000-memory.dmp

Filesize
8KB

Download
memory/780-7-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download
memory/2600-16-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download
memory/2600-17-0x0000000000310000-0x0000000000312000-memory.dmp

Filesize
8KB

Download
memory/2600-13-0x0000000000CF0000-0x0000000000CF1000-memory.dmp

Filesize
4KB

Download
memory/2600-14-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2600-18-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download
memory/2600-19-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download
memory/2600-20-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download
memory/2600-21-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download
memory/2600-22-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download
memory/2600-23-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download
memory/2600-24-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download
memory/2600-25-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download
memory/2600-26-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download