adedffa71c26b2855f85a6eba9f0415769efc743022f44a8f61c95b09b7dedf3

General

Target

New Year Order 18723TW.exe
Size

977KB
MD5

b88cceefb601f1e7facc131eb499e688
SHA1

a156dc254a4d6f6978ef7bf35846ac593dd0c8a6
SHA256

adedffa71c26b2855f85a6eba9f0415769efc743022f44a8f61c95b09b7dedf3
SHA512

6bba774dc893f33e587632f2dc22efb4bc71c1e0588fb42565fbbea5306c6c9b42021c7f46f64e7230df648be7a7e811ad732392ee9db9838e2ff4f7983e323c

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

Processes:

bnnjk.exeInstallUtil.exe

pid process

1528 bnnjk.exe
2568 InstallUtil.exe

pid	process
1528	bnnjk.exe
2568	InstallUtil.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\nmhjnm = "C:\\Users\\Admin\\AppData\\Roaming\\bnnjk.exe"	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

bnnjk.exe

description pid process target process

PID 1528 set thread context of 2568 1528 bnnjk.exe InstallUtil.exe

description	pid	process	target process
PID 1528 set thread context of 2568	1528	bnnjk.exe	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

Processes:

New Year Order 18723TW.exebnnjk.exeInstallUtil.exe

pid	process
8	New Year Order 18723TW.exe
8	New Year Order 18723TW.exe
8	New Year Order 18723TW.exe
8	New Year Order 18723TW.exe
8	New Year Order 18723TW.exe
8	New Year Order 18723TW.exe
8	New Year Order 18723TW.exe
8	New Year Order 18723TW.exe
8	New Year Order 18723TW.exe
8	New Year Order 18723TW.exe
8	New Year Order 18723TW.exe
8	New Year Order 18723TW.exe
8	New Year Order 18723TW.exe
8	New Year Order 18723TW.exe
8	New Year Order 18723TW.exe
1528	bnnjk.exe
1528	bnnjk.exe
2568	InstallUtil.exe
2568	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

New Year Order 18723TW.exebnnjk.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	8	New Year Order 18723TW.exe
Token: SeDebugPrivilege	1528	bnnjk.exe
Token: SeDebugPrivilege	2568	InstallUtil.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

New Year Order 18723TW.execmd.exebnnjk.exe

description	pid	process	target process
PID 8 wrote to memory of 2824	8	New Year Order 18723TW.exe	cmd.exe
PID 8 wrote to memory of 2824	8	New Year Order 18723TW.exe	cmd.exe
PID 8 wrote to memory of 2824	8	New Year Order 18723TW.exe	cmd.exe
PID 2824 wrote to memory of 816	2824	cmd.exe	reg.exe
PID 2824 wrote to memory of 816	2824	cmd.exe	reg.exe
PID 2824 wrote to memory of 816	2824	cmd.exe	reg.exe
PID 8 wrote to memory of 1528	8	New Year Order 18723TW.exe	bnnjk.exe
PID 8 wrote to memory of 1528	8	New Year Order 18723TW.exe	bnnjk.exe
PID 8 wrote to memory of 1528	8	New Year Order 18723TW.exe	bnnjk.exe
PID 1528 wrote to memory of 2568	1528	bnnjk.exe	InstallUtil.exe
PID 1528 wrote to memory of 2568	1528	bnnjk.exe	InstallUtil.exe
PID 1528 wrote to memory of 2568	1528	bnnjk.exe	InstallUtil.exe
PID 1528 wrote to memory of 2568	1528	bnnjk.exe	InstallUtil.exe
PID 1528 wrote to memory of 2568	1528	bnnjk.exe	InstallUtil.exe
PID 1528 wrote to memory of 2568	1528	bnnjk.exe	InstallUtil.exe
PID 1528 wrote to memory of 2568	1528	bnnjk.exe	InstallUtil.exe
PID 1528 wrote to memory of 2568	1528	bnnjk.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\New Year Order 18723TW.exe
"C:\Users\Admin\AppData\Local\Temp\New Year Order 18723TW.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:8
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /c REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "nmhjnm" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\bnnjk.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2824
- - C:\Windows\SysWOW64\reg.exe
    REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "nmhjnm" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\bnnjk.exe"
    3⤵
    - Adds Run key to start application
    PID:816
- C:\Users\Admin\AppData\Roaming\bnnjk.exe
  "C:\Users\Admin\AppData\Roaming\bnnjk.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1528
- - C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
    "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2568

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Roaming\bnnjk.exe

MD5
b88cceefb601f1e7facc131eb499e688

SHA1
a156dc254a4d6f6978ef7bf35846ac593dd0c8a6

SHA256
adedffa71c26b2855f85a6eba9f0415769efc743022f44a8f61c95b09b7dedf3

SHA512
6bba774dc893f33e587632f2dc22efb4bc71c1e0588fb42565fbbea5306c6c9b42021c7f46f64e7230df648be7a7e811ad732392ee9db9838e2ff4f7983e323c

Download Submit
C:\Users\Admin\AppData\Roaming\bnnjk.exe

MD5
b88cceefb601f1e7facc131eb499e688

SHA1
a156dc254a4d6f6978ef7bf35846ac593dd0c8a6

SHA256
adedffa71c26b2855f85a6eba9f0415769efc743022f44a8f61c95b09b7dedf3

SHA512
6bba774dc893f33e587632f2dc22efb4bc71c1e0588fb42565fbbea5306c6c9b42021c7f46f64e7230df648be7a7e811ad732392ee9db9838e2ff4f7983e323c

Download Submit
memory/8-8-0x0000000007310000-0x0000000007311000-memory.dmp

Filesize
4KB

Download
memory/8-3-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/8-2-0x0000000073940000-0x000000007402E000-memory.dmp

Filesize
6.9MB

Download
memory/8-5-0x0000000004960000-0x0000000004961000-memory.dmp

Filesize
4KB

Download
memory/8-6-0x00000000048E0000-0x00000000048FE000-memory.dmp

Filesize
120KB

Download
memory/8-7-0x0000000004950000-0x0000000004951000-memory.dmp

Filesize
4KB

Download
memory/816-10-0x0000000000000000-mapping.dmp

Download
memory/1528-11-0x0000000000000000-mapping.dmp

Download
memory/1528-14-0x0000000073940000-0x000000007402E000-memory.dmp

Filesize
6.9MB

Download
memory/1528-21-0x0000000005150000-0x000000000515B000-memory.dmp

Filesize
44KB

Download
memory/1528-22-0x0000000005170000-0x0000000005171000-memory.dmp

Filesize
4KB

Download
memory/2568-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2568-24-0x00000000004374BE-mapping.dmp

Download
memory/2568-27-0x0000000073940000-0x000000007402E000-memory.dmp

Filesize
6.9MB

Download
memory/2568-30-0x0000000005780000-0x0000000005781000-memory.dmp

Filesize
4KB

Download
memory/2568-32-0x00000000056E0000-0x00000000056E1000-memory.dmp

Filesize
4KB

Download
memory/2568-33-0x0000000005F70000-0x0000000005F71000-memory.dmp

Filesize
4KB

Download
memory/2824-9-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads