344700d3141170111a9b77db100f6961cc54a2988d964d34f7e1ca57aa42aa2a

General

Target

WaveInstaller Official.exe
Size

1.5MB
MD5

c822ab5332b11c9185765b157d0b6e17
SHA1

7fe909d73a24ddd87171896079cceb8b03663ad4
SHA256

344700d3141170111a9b77db100f6961cc54a2988d964d34f7e1ca57aa42aa2a
SHA512

a8612836fb4714b939d03f7fe08391bbc635ca83ab853fc677159e5db6b00f76b9b586bdae9c19d2406d9a2713d1caf614132cb6c14e1dddc6ac45e47f7e5a5d
SSDEEP

24576:9viinbT3ipyqwPx4x3RyFoBkkAd04wJAAh/jV1gJcPNZI6fntX3HOt2pbs81ind2:EinbT3ipTD0anywJAaD/3U2pb7indT

Score

8^/10

Malware Config

Signatures

Downloads MZ/PE file

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

WaveInstaller Official.exeWaveBootstrapper.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Control Panel\International\Geo\Nation	WaveInstaller Official.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Control Panel\International\Geo\Nation	WaveBootstrapper.exe

Executes dropped EXE 2 IoCs

Processes:

WaveBootstrapper.exeWaveWindows.exe

pid process

1272 WaveBootstrapper.exe
3416 WaveWindows.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

48 raw.githubusercontent.com
49 raw.githubusercontent.com
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

WaveInstaller Official.exeWaveBootstrapper.exe

description pid process

Token: SeDebugPrivilege 2392 WaveInstaller Official.exe
Token: SeDebugPrivilege 1272 WaveBootstrapper.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

WaveInstaller Official.exe

pid process

2392 WaveInstaller Official.exe

pid	process
1272	WaveBootstrapper.exe
3416	WaveWindows.exe

flow	ioc
48	raw.githubusercontent.com
49	raw.githubusercontent.com

description	pid	process
Token: SeDebugPrivilege	2392	WaveInstaller Official.exe
Token: SeDebugPrivilege	1272	WaveBootstrapper.exe

pid	process
2392	WaveInstaller Official.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

WaveInstaller Official.exeWaveBootstrapper.exe

description	pid	process	target process
PID 2392 wrote to memory of 1272	2392	WaveInstaller Official.exe	WaveBootstrapper.exe
PID 2392 wrote to memory of 1272	2392	WaveInstaller Official.exe	WaveBootstrapper.exe
PID 2392 wrote to memory of 1272	2392	WaveInstaller Official.exe	WaveBootstrapper.exe
PID 1272 wrote to memory of 3416	1272	WaveBootstrapper.exe	WaveWindows.exe
PID 1272 wrote to memory of 3416	1272	WaveBootstrapper.exe	WaveWindows.exe
PID 1272 wrote to memory of 3416	1272	WaveBootstrapper.exe	WaveWindows.exe

C:\Users\Admin\AppData\Local\Temp\WaveInstaller Official.exe
"C:\Users\Admin\AppData\Local\Temp\WaveInstaller Official.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2392

C:\Users\Admin\AppData\Local\Wave\WaveBootstrapper.exe
"C:\Users\Admin\AppData\Local\Wave\WaveBootstrapper.exe"
2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1272

C:\Users\Admin\AppData\Local\Wave\WaveWindows.exe
"C:\Users\Admin\AppData\Local\Wave\WaveWindows.exe"
3⤵
- Executes dropped EXE
PID:3416

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Wave\WaveBootstrapper.exe

Filesize
949KB

MD5
8fb51b92d496c6765f7ba44e6d4a8990

SHA1
d3e5a8465622cd5adae05babeb7e34b2b5c777d7

SHA256
ab49d6166a285b747e5f279620ab9cea12f33f7656d732aa75900fcb981a5394

SHA512
20de93a52fff7b092cb9d77bd26944abed5f5cb67146e6d2d70be6a431283b6de52eb37a0e13dc8bc57dcf8be2d5a95b9c11b3b030a3e2f03dd6e4efc23527a6

Download Submit
C:\Users\Admin\AppData\Local\Wave\WaveWindows.exe

Filesize
8.0MB

MD5
b8631bbd78d3935042e47b672c19ccc3

SHA1
cd0ea137f1544a31d2a62aaed157486dce3ecebe

SHA256
9cfda541d595dc20a55df5422001dfb58debd401df3abff21b1eee8ede28451c

SHA512
0c51d6247e39f7851538a5916b24972e845abfe429f0abdc7b532f654b4afe73dc6e1936f1b062da63bfc90273d3cbc297bf6c802e615f3711d0f180c070aa26

Download Submit
memory/1272-236-0x000000000A240000-0x000000000A24A000-memory.dmp

Filesize
40KB

Download
memory/1272-231-0x00007FFF48FD0000-0x00007FFF491C5000-memory.dmp

Filesize
2.0MB

Download
memory/1272-242-0x00007FFF48FD0000-0x00007FFF491C5000-memory.dmp

Filesize
2.0MB

Download
memory/1272-238-0x000000000A2E0000-0x000000000A2FE000-memory.dmp

Filesize
120KB

Download
memory/1272-237-0x000000000A280000-0x000000000A288000-memory.dmp

Filesize
32KB

Download
memory/1272-235-0x000000000A200000-0x000000000A216000-memory.dmp

Filesize
88KB

Download
memory/1272-234-0x0000000009500000-0x0000000009604000-memory.dmp

Filesize
1.0MB

Download
memory/1272-232-0x0000000000C10000-0x0000000000D02000-memory.dmp

Filesize
968KB

Download
memory/2392-14-0x00000000077A0000-0x0000000007812000-memory.dmp

Filesize
456KB

Download
memory/2392-2-0x0000000006240000-0x0000000006278000-memory.dmp

Filesize
224KB

Download
memory/2392-16-0x0000000007830000-0x000000000783A000-memory.dmp

Filesize
40KB

Download
memory/2392-15-0x0000000007820000-0x000000000782A000-memory.dmp

Filesize
40KB

Download
memory/2392-3-0x0000000006220000-0x000000000622E000-memory.dmp

Filesize
56KB

Download
memory/2392-0-0x00007FFF48FD0000-0x00007FFF491C5000-memory.dmp

Filesize
2.0MB

Download
memory/2392-12-0x0000000001950000-0x0000000001958000-memory.dmp

Filesize
32KB

Download
memory/2392-11-0x0000000001800000-0x0000000001826000-memory.dmp

Filesize
152KB

Download
memory/2392-1-0x0000000000D40000-0x0000000000ED2000-memory.dmp

Filesize
1.6MB

Download
memory/2392-10-0x0000000001760000-0x00000000017F6000-memory.dmp

Filesize
600KB

Download

Analysis

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