dd9b3a905fbb0ab3e7ec35b6fe82e89da5bbb1e9a59831f41820af9e7ef3b163

Analysis

max time kernel
226s
max time network
239s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
25-11-2022 19:32

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

dd9b3a905fbb0ab3e7ec35b6fe82e89da5bbb1e9a59831f41820af9e7ef3b163.exe
Size

208KB
MD5

0124afa6554056e15bbe147ecba471c0
SHA1

2d446f0fc78ee88d0bcaa49f6a6c8dc7c575b188
SHA256

dd9b3a905fbb0ab3e7ec35b6fe82e89da5bbb1e9a59831f41820af9e7ef3b163
SHA512

c3fb5862add07b94fe47c4ddc299d4e9bb29e7afd865a5fc74cf147599fe0ece7877cf76030e5bd584db0e057315f37d1b4c6293206eba2251ee14f25fb00f03
SSDEEP

1536:Vfuxw10lxJM5y8w5OZRVmgyDl+cWaxJcveQZNTRSb3EBAR1AlQPsxjheYhpXN5yc:f0OtF2Qo7VsJgisxlYegEX0ZZbW

Score

8^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
852	svhust.exe
1988	svhust.exe
920	svhust.exe

UPX packed file 15 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/672-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/672-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/672-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/672-65-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/672-66-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/672-69-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/920-94-0x0000000000400000-0x0000000000479000-memory.dmp	upx
behavioral1/memory/920-98-0x0000000000400000-0x0000000000479000-memory.dmp	upx
behavioral1/memory/920-99-0x0000000000400000-0x0000000000479000-memory.dmp	upx
behavioral1/memory/672-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/920-107-0x0000000000400000-0x0000000000479000-memory.dmp	upx
behavioral1/memory/920-108-0x0000000000400000-0x0000000000479000-memory.dmp	upx
behavioral1/memory/920-110-0x0000000000400000-0x0000000000479000-memory.dmp	upx
behavioral1/memory/1988-111-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1988-113-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Loads dropped DLL 4 IoCs

pid	Process
672	dd9b3a905fbb0ab3e7ec35b6fe82e89da5bbb1e9a59831f41820af9e7ef3b163.exe
672	dd9b3a905fbb0ab3e7ec35b6fe82e89da5bbb1e9a59831f41820af9e7ef3b163.exe
672	dd9b3a905fbb0ab3e7ec35b6fe82e89da5bbb1e9a59831f41820af9e7ef3b163.exe
672	dd9b3a905fbb0ab3e7ec35b6fe82e89da5bbb1e9a59831f41820af9e7ef3b163.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\svhust = "C:\\Users\\Admin\\AppData\\Roaming\\svhust\\svhust.exe"	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	svhust.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VideoDriver = "C:\\Windows\\system32\\winldr.exe"	svhust.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\System32\winldr.exe	svhust.exe
File opened for modification	C:\Windows\SysWOW64\winldr.exe	svhust.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1516 set thread context of 672	1516	dd9b3a905fbb0ab3e7ec35b6fe82e89da5bbb1e9a59831f41820af9e7ef3b163.exe	28
PID 852 set thread context of 1988	852	svhust.exe	33
PID 852 set thread context of 920	852	svhust.exe	34

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 58 IoCs

description	pid	Process
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe
Token: SeDebugPrivilege	1988	svhust.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
920	svhust.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1516	dd9b3a905fbb0ab3e7ec35b6fe82e89da5bbb1e9a59831f41820af9e7ef3b163.exe
672	dd9b3a905fbb0ab3e7ec35b6fe82e89da5bbb1e9a59831f41820af9e7ef3b163.exe
852	svhust.exe
1988	svhust.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1516 wrote to memory of 672	1516	dd9b3a905fbb0ab3e7ec35b6fe82e89da5bbb1e9a59831f41820af9e7ef3b163.exe	28
PID 1516 wrote to memory of 672	1516	dd9b3a905fbb0ab3e7ec35b6fe82e89da5bbb1e9a59831f41820af9e7ef3b163.exe	28
PID 1516 wrote to memory of 672	1516	dd9b3a905fbb0ab3e7ec35b6fe82e89da5bbb1e9a59831f41820af9e7ef3b163.exe	28
PID 1516 wrote to memory of 672	1516	dd9b3a905fbb0ab3e7ec35b6fe82e89da5bbb1e9a59831f41820af9e7ef3b163.exe	28
PID 1516 wrote to memory of 672	1516	dd9b3a905fbb0ab3e7ec35b6fe82e89da5bbb1e9a59831f41820af9e7ef3b163.exe	28
PID 1516 wrote to memory of 672	1516	dd9b3a905fbb0ab3e7ec35b6fe82e89da5bbb1e9a59831f41820af9e7ef3b163.exe	28
PID 1516 wrote to memory of 672	1516	dd9b3a905fbb0ab3e7ec35b6fe82e89da5bbb1e9a59831f41820af9e7ef3b163.exe	28
PID 1516 wrote to memory of 672	1516	dd9b3a905fbb0ab3e7ec35b6fe82e89da5bbb1e9a59831f41820af9e7ef3b163.exe	28
PID 672 wrote to memory of 108	672	dd9b3a905fbb0ab3e7ec35b6fe82e89da5bbb1e9a59831f41820af9e7ef3b163.exe	29
PID 672 wrote to memory of 108	672	dd9b3a905fbb0ab3e7ec35b6fe82e89da5bbb1e9a59831f41820af9e7ef3b163.exe	29
PID 672 wrote to memory of 108	672	dd9b3a905fbb0ab3e7ec35b6fe82e89da5bbb1e9a59831f41820af9e7ef3b163.exe	29
PID 672 wrote to memory of 108	672	dd9b3a905fbb0ab3e7ec35b6fe82e89da5bbb1e9a59831f41820af9e7ef3b163.exe	29
PID 108 wrote to memory of 1784	108	cmd.exe	31
PID 108 wrote to memory of 1784	108	cmd.exe	31
PID 108 wrote to memory of 1784	108	cmd.exe	31
PID 108 wrote to memory of 1784	108	cmd.exe	31
PID 672 wrote to memory of 852	672	dd9b3a905fbb0ab3e7ec35b6fe82e89da5bbb1e9a59831f41820af9e7ef3b163.exe	32
PID 672 wrote to memory of 852	672	dd9b3a905fbb0ab3e7ec35b6fe82e89da5bbb1e9a59831f41820af9e7ef3b163.exe	32
PID 672 wrote to memory of 852	672	dd9b3a905fbb0ab3e7ec35b6fe82e89da5bbb1e9a59831f41820af9e7ef3b163.exe	32
PID 672 wrote to memory of 852	672	dd9b3a905fbb0ab3e7ec35b6fe82e89da5bbb1e9a59831f41820af9e7ef3b163.exe	32
PID 852 wrote to memory of 1988	852	svhust.exe	33
PID 852 wrote to memory of 1988	852	svhust.exe	33
PID 852 wrote to memory of 1988	852	svhust.exe	33
PID 852 wrote to memory of 1988	852	svhust.exe	33
PID 852 wrote to memory of 1988	852	svhust.exe	33
PID 852 wrote to memory of 1988	852	svhust.exe	33
PID 852 wrote to memory of 1988	852	svhust.exe	33
PID 852 wrote to memory of 1988	852	svhust.exe	33
PID 852 wrote to memory of 920	852	svhust.exe	34
PID 852 wrote to memory of 920	852	svhust.exe	34
PID 852 wrote to memory of 920	852	svhust.exe	34
PID 852 wrote to memory of 920	852	svhust.exe	34
PID 852 wrote to memory of 920	852	svhust.exe	34
PID 852 wrote to memory of 920	852	svhust.exe	34
PID 852 wrote to memory of 920	852	svhust.exe	34
PID 852 wrote to memory of 920	852	svhust.exe	34

C:\Users\Admin\AppData\Local\Temp\dd9b3a905fbb0ab3e7ec35b6fe82e89da5bbb1e9a59831f41820af9e7ef3b163.exe
"C:\Users\Admin\AppData\Local\Temp\dd9b3a905fbb0ab3e7ec35b6fe82e89da5bbb1e9a59831f41820af9e7ef3b163.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1516
- C:\Users\Admin\AppData\Local\Temp\dd9b3a905fbb0ab3e7ec35b6fe82e89da5bbb1e9a59831f41820af9e7ef3b163.exe
  "C:\Users\Admin\AppData\Local\Temp\dd9b3a905fbb0ab3e7ec35b6fe82e89da5bbb1e9a59831f41820af9e7ef3b163.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:672
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\XKAOK.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:108
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "svhust" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\svhust\svhust.exe" /f
      4⤵
      Adds Run key to start application
      PID:1784
- - C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
    "C:\Users\Admin\AppData\Roaming\svhust\svhust.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:852
  - - C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
      "C:\Users\Admin\AppData\Roaming\svhust\svhust.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:1988
  - - C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
      "C:\Users\Admin\AppData\Roaming\svhust\svhust.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Drops file in System32 directory
      Suspicious use of FindShellTrayWindow
      PID:920

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\XKAOK.bat

Filesize
141B

MD5
e83a2e0b3c1e03dfb96ffd9924117a45

SHA1
27a3e4ba115ba1bad0bf094f5b97e768d1ece33e

SHA256
655407d94fff9e707712a588d97a2017cc1c9d690a67c688ed0abcb79e452b13

SHA512
5f61686a3b7db3544d83a4f2ce1a75868c7dc266709f72a34eafecc3a26696a985b1912a559aed8f5a2cacbfe26be9beae2374340d1801bb18473de785557480

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

Filesize
208KB

MD5
5baadb3ee66c19f0d711c2f37b6a32d3

SHA1
396a3cea7fdbac9dad6900cb5879680aee30a231

SHA256
2992715d45014117327101fa0cc4c6bfe0bbdd159072b025bb325db31eed47a9

SHA512
dba06c0bf0280a2f31f18360ac321405ffdc8f13addebe46d0a8cd79956d139e52517ec27442d17cad411a83a10b5d2b376f022738a267ba2f3a59c93c4c2e1d

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

Filesize
208KB

MD5
5baadb3ee66c19f0d711c2f37b6a32d3

SHA1
396a3cea7fdbac9dad6900cb5879680aee30a231

SHA256
2992715d45014117327101fa0cc4c6bfe0bbdd159072b025bb325db31eed47a9

SHA512
dba06c0bf0280a2f31f18360ac321405ffdc8f13addebe46d0a8cd79956d139e52517ec27442d17cad411a83a10b5d2b376f022738a267ba2f3a59c93c4c2e1d

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

Filesize
208KB

MD5
5baadb3ee66c19f0d711c2f37b6a32d3

SHA1
396a3cea7fdbac9dad6900cb5879680aee30a231

SHA256
2992715d45014117327101fa0cc4c6bfe0bbdd159072b025bb325db31eed47a9

SHA512
dba06c0bf0280a2f31f18360ac321405ffdc8f13addebe46d0a8cd79956d139e52517ec27442d17cad411a83a10b5d2b376f022738a267ba2f3a59c93c4c2e1d

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

Filesize
208KB

MD5
5baadb3ee66c19f0d711c2f37b6a32d3

SHA1
396a3cea7fdbac9dad6900cb5879680aee30a231

SHA256
2992715d45014117327101fa0cc4c6bfe0bbdd159072b025bb325db31eed47a9

SHA512
dba06c0bf0280a2f31f18360ac321405ffdc8f13addebe46d0a8cd79956d139e52517ec27442d17cad411a83a10b5d2b376f022738a267ba2f3a59c93c4c2e1d

Download Submit
\Users\Admin\AppData\Roaming\svhust\svhust.exe

Filesize
208KB

MD5
5baadb3ee66c19f0d711c2f37b6a32d3

SHA1
396a3cea7fdbac9dad6900cb5879680aee30a231

SHA256
2992715d45014117327101fa0cc4c6bfe0bbdd159072b025bb325db31eed47a9

SHA512
dba06c0bf0280a2f31f18360ac321405ffdc8f13addebe46d0a8cd79956d139e52517ec27442d17cad411a83a10b5d2b376f022738a267ba2f3a59c93c4c2e1d

Download Submit
\Users\Admin\AppData\Roaming\svhust\svhust.exe

Filesize
208KB

MD5
5baadb3ee66c19f0d711c2f37b6a32d3

SHA1
396a3cea7fdbac9dad6900cb5879680aee30a231

SHA256
2992715d45014117327101fa0cc4c6bfe0bbdd159072b025bb325db31eed47a9

SHA512
dba06c0bf0280a2f31f18360ac321405ffdc8f13addebe46d0a8cd79956d139e52517ec27442d17cad411a83a10b5d2b376f022738a267ba2f3a59c93c4c2e1d

Download Submit
\Users\Admin\AppData\Roaming\svhust\svhust.exe

Filesize
208KB

MD5
5baadb3ee66c19f0d711c2f37b6a32d3

SHA1
396a3cea7fdbac9dad6900cb5879680aee30a231

SHA256
2992715d45014117327101fa0cc4c6bfe0bbdd159072b025bb325db31eed47a9

SHA512
dba06c0bf0280a2f31f18360ac321405ffdc8f13addebe46d0a8cd79956d139e52517ec27442d17cad411a83a10b5d2b376f022738a267ba2f3a59c93c4c2e1d

Download Submit
\Users\Admin\AppData\Roaming\svhust\svhust.exe

Filesize
208KB

MD5
5baadb3ee66c19f0d711c2f37b6a32d3

SHA1
396a3cea7fdbac9dad6900cb5879680aee30a231

SHA256
2992715d45014117327101fa0cc4c6bfe0bbdd159072b025bb325db31eed47a9

SHA512
dba06c0bf0280a2f31f18360ac321405ffdc8f13addebe46d0a8cd79956d139e52517ec27442d17cad411a83a10b5d2b376f022738a267ba2f3a59c93c4c2e1d

Download Submit
memory/108-71-0x0000000000000000-mapping.dmp

Download
memory/672-70-0x00000000757E1000-0x00000000757E3000-memory.dmp

Filesize
8KB

Download
memory/672-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/672-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/672-69-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/672-66-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/672-63-0x00000000004085D0-mapping.dmp

Download
memory/672-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/672-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/672-65-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/672-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/852-78-0x0000000000000000-mapping.dmp

Download
memory/852-82-0x000000000063D000-0x0000000000652000-memory.dmp

Filesize
84KB

Download
memory/920-100-0x0000000000476940-mapping.dmp

Download
memory/920-109-0x00000000743F1000-0x00000000743F3000-memory.dmp

Filesize
8KB

Download
memory/920-92-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/920-98-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/920-99-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/920-110-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/920-94-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/920-108-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/920-107-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/1516-56-0x00000000005AD000-0x00000000005C3000-memory.dmp

Filesize
88KB

Download
memory/1784-73-0x0000000000000000-mapping.dmp

Download
memory/1988-90-0x00000000004085D0-mapping.dmp

Download
memory/1988-111-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1988-113-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download