82f1a9f9d12c219275b596f588fab772ff2f54a82080fe04dbaddf85d44a7e17

General

Target

82f1a9f9d12c219275b596f588fab772ff2f54a82080fe04dbaddf85d44a7e17.exe
Size

927KB
MD5

a9e8e5384cb5cda5c69023ed02746f64
SHA1

cceebb884793456a2dbb19b33b6f6a78df9e2caf
SHA256

82f1a9f9d12c219275b596f588fab772ff2f54a82080fe04dbaddf85d44a7e17
SHA512

fc889033f1e03ae4dee521d3aec7fa3b55615a0975a8879b1c562c0bd129710d3b853981b39f0026fc70b032736cfd9e3065917bf01f5609a4e6374889a02af6
SSDEEP

24576:Wbd+tZe0p4Ek4niOkl/A04szE87JKTvmc:Wbd+PeW4SkZP4sz9Mbz

Score

9^/10

Malware Config

Signatures

UPX dump on OEP (original entry point) 7 IoCs

resource	yara_rule
behavioral1/memory/2884-0-0x0000000000400000-0x000000000041B000-memory.dmp	UPX
behavioral1/files/0x000b000000014284-8.dat	UPX
behavioral1/memory/2884-5-0x0000000000290000-0x00000000002AB000-memory.dmp	UPX
behavioral1/memory/2884-16-0x0000000000400000-0x000000000041B000-memory.dmp	UPX
behavioral1/memory/2832-11-0x0000000000400000-0x000000000041B000-memory.dmp	UPX
behavioral1/memory/2340-28-0x0000000000400000-0x000000000041B000-memory.dmp	UPX
behavioral1/memory/2832-27-0x0000000000400000-0x000000000041B000-memory.dmp	UPX

Executes dropped EXE 3 IoCs

pid	Process
2832	MSWDM.EXE
2340	MSWDM.EXE
2580	82F1A9F9D12C219275B596F588FAB772FF2F54A82080FE04DBADDF85D44A7E17.EXE

Loads dropped DLL 2 IoCs

pid	Process
2340	MSWDM.EXE
2340	MSWDM.EXE

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunServices\WDM = "MSWDM.EXE"	82f1a9f9d12c219275b596f588fab772ff2f54a82080fe04dbaddf85d44a7e17.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WDM = "MSWDM.EXE"	MSWDM.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunServices\WDM = "MSWDM.EXE"	MSWDM.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WDM = "MSWDM.EXE"	82f1a9f9d12c219275b596f588fab772ff2f54a82080fe04dbaddf85d44a7e17.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\WINDOWS\MSWDM.EXE	82f1a9f9d12c219275b596f588fab772ff2f54a82080fe04dbaddf85d44a7e17.exe
File opened for modification	C:\Windows\devFBA.tmp	82f1a9f9d12c219275b596f588fab772ff2f54a82080fe04dbaddf85d44a7e17.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2340	MSWDM.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2580	82F1A9F9D12C219275B596F588FAB772FF2F54A82080FE04DBADDF85D44A7E17.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeRestorePrivilege	2580	82F1A9F9D12C219275B596F588FAB772FF2F54A82080FE04DBADDF85D44A7E17.EXE
Token: 35	2580	82F1A9F9D12C219275B596F588FAB772FF2F54A82080FE04DBADDF85D44A7E17.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 2832	2884	82f1a9f9d12c219275b596f588fab772ff2f54a82080fe04dbaddf85d44a7e17.exe	28
PID 2884 wrote to memory of 2832	2884	82f1a9f9d12c219275b596f588fab772ff2f54a82080fe04dbaddf85d44a7e17.exe	28
PID 2884 wrote to memory of 2832	2884	82f1a9f9d12c219275b596f588fab772ff2f54a82080fe04dbaddf85d44a7e17.exe	28
PID 2884 wrote to memory of 2832	2884	82f1a9f9d12c219275b596f588fab772ff2f54a82080fe04dbaddf85d44a7e17.exe	28
PID 2884 wrote to memory of 2340	2884	82f1a9f9d12c219275b596f588fab772ff2f54a82080fe04dbaddf85d44a7e17.exe	29
PID 2884 wrote to memory of 2340	2884	82f1a9f9d12c219275b596f588fab772ff2f54a82080fe04dbaddf85d44a7e17.exe	29
PID 2884 wrote to memory of 2340	2884	82f1a9f9d12c219275b596f588fab772ff2f54a82080fe04dbaddf85d44a7e17.exe	29
PID 2884 wrote to memory of 2340	2884	82f1a9f9d12c219275b596f588fab772ff2f54a82080fe04dbaddf85d44a7e17.exe	29
PID 2340 wrote to memory of 2580	2340	MSWDM.EXE	30
PID 2340 wrote to memory of 2580	2340	MSWDM.EXE	30
PID 2340 wrote to memory of 2580	2340	MSWDM.EXE	30
PID 2340 wrote to memory of 2580	2340	MSWDM.EXE	30

C:\Users\Admin\AppData\Local\Temp\82f1a9f9d12c219275b596f588fab772ff2f54a82080fe04dbaddf85d44a7e17.exe
"C:\Users\Admin\AppData\Local\Temp\82f1a9f9d12c219275b596f588fab772ff2f54a82080fe04dbaddf85d44a7e17.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2884
- C:\WINDOWS\MSWDM.EXE
  "C:\WINDOWS\MSWDM.EXE"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  PID:2832
- C:\WINDOWS\MSWDM.EXE
  -r!C:\Windows\devFBA.tmp!C:\Users\Admin\AppData\Local\Temp\82f1a9f9d12c219275b596f588fab772ff2f54a82080fe04dbaddf85d44a7e17.exe! !
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2340
- - C:\Users\Admin\AppData\Local\Temp\82F1A9F9D12C219275B596F588FAB772FF2F54A82080FE04DBADDF85D44A7E17.EXE
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:2580

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\MSWDM.EXE

Filesize
80KB

MD5
ca1665aebc386a9e1e00e62a6f24bccd

SHA1
ace8a60b685b6e870d0952fd7de8b1157112db6a

SHA256
9a7574d09ccc52c090ac586db59b15f7295fb15f6c2a1492558cb6d4cfdd5d3d

SHA512
bd227870c2e6b67e11e532e43aecdd0af65745a31cc0beed86032bb00879a3eddeb9ddeae7bcc7089fee758179e2b7b9f567957f7f2fcfc69ed766d5feaa6d17

Download Submit
\Users\Admin\AppData\Local\Temp\82f1a9f9d12c219275b596f588fab772ff2f54a82080fe04dbaddf85d44a7e17.exe

Filesize
847KB

MD5
c8f40f25f783a52262bdaedeb5555427

SHA1
e45e198607c8d7398745baa71780e3e7a2f6deca

SHA256
e81b44ee7381ae3b630488b6fb7e3d9ffbdd9ac3032181d4ccaaff3409b57316

SHA512
f5944743f54028eb1dd0f2d68468726b177d33185324da0da96cdd20768bab4ca2e507ae9157b2733fd6240c920b7e15a5f5b9f284ee09d0fd385fc895b97191

Download Submit
memory/2340-28-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2832-11-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2832-27-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2884-0-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2884-7-0x0000000000290000-0x00000000002AB000-memory.dmp

Filesize
108KB

Download
memory/2884-5-0x0000000000290000-0x00000000002AB000-memory.dmp

Filesize
108KB

Download
memory/2884-16-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads