42463183ee6cb54f3892fe29c7dd44cf76748c3609c474f442ccd4b4aa610c75

Analysis

max time kernel
151s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
01/10/2022, 19:31

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General

Target

42463183ee6cb54f3892fe29c7dd44cf76748c3609c474f442ccd4b4aa610c75.exe
Size

208KB
MD5

0422556b674590940816f1f31b4c590c
SHA1

07b9b67e4bdbf7de55bfc9374a863ec44ea93373
SHA256

42463183ee6cb54f3892fe29c7dd44cf76748c3609c474f442ccd4b4aa610c75
SHA512

04f7f20a6399f6aeb5266a7e4626869bb035460d61fd87c7b4f5ad33ba1d4142a180375368b77ae078aad3456bf99b2e301e4c9d4ecafdf7dbee7bf0b3ec70a9
SSDEEP

1536:Vfuxw10lxJM5y8w5OZRVmgyDl+cWaxJcveQZNTRSb3EBAR1AlQPsxjheYhpXN5yh:f0OtF2Qo7VsJgisxlYegEX0ZZbW

Score

8^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
1740	svhust.exe
1892	svhust.exe
1764	svhust.exe

UPX packed file 16 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1880-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1880-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1880-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1880-65-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1880-66-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1880-69-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1764-94-0x0000000000400000-0x0000000000479000-memory.dmp	upx
behavioral1/memory/1764-98-0x0000000000400000-0x0000000000479000-memory.dmp	upx
behavioral1/memory/1764-99-0x0000000000400000-0x0000000000479000-memory.dmp	upx
behavioral1/memory/1764-106-0x0000000000400000-0x0000000000479000-memory.dmp	upx
behavioral1/memory/1764-107-0x0000000000400000-0x0000000000479000-memory.dmp	upx
behavioral1/memory/1880-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1892-109-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1764-110-0x0000000000400000-0x0000000000479000-memory.dmp	upx
behavioral1/memory/1892-113-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1764-114-0x0000000000400000-0x0000000000479000-memory.dmp	upx

Loads dropped DLL 4 IoCs

pid	Process
1880	42463183ee6cb54f3892fe29c7dd44cf76748c3609c474f442ccd4b4aa610c75.exe
1880	42463183ee6cb54f3892fe29c7dd44cf76748c3609c474f442ccd4b4aa610c75.exe
1880	42463183ee6cb54f3892fe29c7dd44cf76748c3609c474f442ccd4b4aa610c75.exe
1880	42463183ee6cb54f3892fe29c7dd44cf76748c3609c474f442ccd4b4aa610c75.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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\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 736 set thread context of 1880	736	42463183ee6cb54f3892fe29c7dd44cf76748c3609c474f442ccd4b4aa610c75.exe	27
PID 1740 set thread context of 1892	1740	svhust.exe	33
PID 1740 set thread context of 1764	1740	svhust.exe	32

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 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe
Token: SeDebugPrivilege	1892	svhust.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1764	svhust.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
736	42463183ee6cb54f3892fe29c7dd44cf76748c3609c474f442ccd4b4aa610c75.exe
1880	42463183ee6cb54f3892fe29c7dd44cf76748c3609c474f442ccd4b4aa610c75.exe
1740	svhust.exe
1892	svhust.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 736 wrote to memory of 1880	736	42463183ee6cb54f3892fe29c7dd44cf76748c3609c474f442ccd4b4aa610c75.exe	27
PID 736 wrote to memory of 1880	736	42463183ee6cb54f3892fe29c7dd44cf76748c3609c474f442ccd4b4aa610c75.exe	27
PID 736 wrote to memory of 1880	736	42463183ee6cb54f3892fe29c7dd44cf76748c3609c474f442ccd4b4aa610c75.exe	27
PID 736 wrote to memory of 1880	736	42463183ee6cb54f3892fe29c7dd44cf76748c3609c474f442ccd4b4aa610c75.exe	27
PID 736 wrote to memory of 1880	736	42463183ee6cb54f3892fe29c7dd44cf76748c3609c474f442ccd4b4aa610c75.exe	27
PID 736 wrote to memory of 1880	736	42463183ee6cb54f3892fe29c7dd44cf76748c3609c474f442ccd4b4aa610c75.exe	27
PID 736 wrote to memory of 1880	736	42463183ee6cb54f3892fe29c7dd44cf76748c3609c474f442ccd4b4aa610c75.exe	27
PID 736 wrote to memory of 1880	736	42463183ee6cb54f3892fe29c7dd44cf76748c3609c474f442ccd4b4aa610c75.exe	27
PID 1880 wrote to memory of 1072	1880	42463183ee6cb54f3892fe29c7dd44cf76748c3609c474f442ccd4b4aa610c75.exe	28
PID 1880 wrote to memory of 1072	1880	42463183ee6cb54f3892fe29c7dd44cf76748c3609c474f442ccd4b4aa610c75.exe	28
PID 1880 wrote to memory of 1072	1880	42463183ee6cb54f3892fe29c7dd44cf76748c3609c474f442ccd4b4aa610c75.exe	28
PID 1880 wrote to memory of 1072	1880	42463183ee6cb54f3892fe29c7dd44cf76748c3609c474f442ccd4b4aa610c75.exe	28
PID 1072 wrote to memory of 2028	1072	cmd.exe	30
PID 1072 wrote to memory of 2028	1072	cmd.exe	30
PID 1072 wrote to memory of 2028	1072	cmd.exe	30
PID 1072 wrote to memory of 2028	1072	cmd.exe	30
PID 1880 wrote to memory of 1740	1880	42463183ee6cb54f3892fe29c7dd44cf76748c3609c474f442ccd4b4aa610c75.exe	31
PID 1880 wrote to memory of 1740	1880	42463183ee6cb54f3892fe29c7dd44cf76748c3609c474f442ccd4b4aa610c75.exe	31
PID 1880 wrote to memory of 1740	1880	42463183ee6cb54f3892fe29c7dd44cf76748c3609c474f442ccd4b4aa610c75.exe	31
PID 1880 wrote to memory of 1740	1880	42463183ee6cb54f3892fe29c7dd44cf76748c3609c474f442ccd4b4aa610c75.exe	31
PID 1740 wrote to memory of 1892	1740	svhust.exe	33
PID 1740 wrote to memory of 1892	1740	svhust.exe	33
PID 1740 wrote to memory of 1892	1740	svhust.exe	33
PID 1740 wrote to memory of 1892	1740	svhust.exe	33
PID 1740 wrote to memory of 1892	1740	svhust.exe	33
PID 1740 wrote to memory of 1892	1740	svhust.exe	33
PID 1740 wrote to memory of 1892	1740	svhust.exe	33
PID 1740 wrote to memory of 1892	1740	svhust.exe	33
PID 1740 wrote to memory of 1764	1740	svhust.exe	32
PID 1740 wrote to memory of 1764	1740	svhust.exe	32
PID 1740 wrote to memory of 1764	1740	svhust.exe	32
PID 1740 wrote to memory of 1764	1740	svhust.exe	32
PID 1740 wrote to memory of 1764	1740	svhust.exe	32
PID 1740 wrote to memory of 1764	1740	svhust.exe	32
PID 1740 wrote to memory of 1764	1740	svhust.exe	32
PID 1740 wrote to memory of 1764	1740	svhust.exe	32

C:\Users\Admin\AppData\Local\Temp\42463183ee6cb54f3892fe29c7dd44cf76748c3609c474f442ccd4b4aa610c75.exe
"C:\Users\Admin\AppData\Local\Temp\42463183ee6cb54f3892fe29c7dd44cf76748c3609c474f442ccd4b4aa610c75.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:736
- C:\Users\Admin\AppData\Local\Temp\42463183ee6cb54f3892fe29c7dd44cf76748c3609c474f442ccd4b4aa610c75.exe
  "C:\Users\Admin\AppData\Local\Temp\42463183ee6cb54f3892fe29c7dd44cf76748c3609c474f442ccd4b4aa610c75.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1880
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\YOPNV.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1072
  - - 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:2028
- - 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:1740
  - - 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:1764
  - - 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:1892

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

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Downloads

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

Filesize
141B

MD5
e83a2e0b3c1e03dfb96ffd9924117a45

SHA1
27a3e4ba115ba1bad0bf094f5b97e768d1ece33e

SHA256
655407d94fff9e707712a588d97a2017cc1c9d690a67c688ed0abcb79e452b13

SHA512
5f61686a3b7db3544d83a4f2ce1a75868c7dc266709f72a34eafecc3a26696a985b1912a559aed8f5a2cacbfe26be9beae2374340d1801bb18473de785557480

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

Filesize
208KB

MD5
efe1fbead822e7726e907da6ca08d336

SHA1
0b17683f6a6eea7947920a2f4706b99a275b005d

SHA256
6f1a8cc34dfb8b41ec8d398ae556ae35a92fb80f5c4055df14cfa51a7cb70b9c

SHA512
203c86aeedac947650a1f3e81dc40a3d64d4377c944e8f6f9821640afdf04aca521c574366c05ccd9ea8beca7facafc14f86b6444aabbd42a5c06bf985754438

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

Filesize
208KB

MD5
efe1fbead822e7726e907da6ca08d336

SHA1
0b17683f6a6eea7947920a2f4706b99a275b005d

SHA256
6f1a8cc34dfb8b41ec8d398ae556ae35a92fb80f5c4055df14cfa51a7cb70b9c

SHA512
203c86aeedac947650a1f3e81dc40a3d64d4377c944e8f6f9821640afdf04aca521c574366c05ccd9ea8beca7facafc14f86b6444aabbd42a5c06bf985754438

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

Filesize
208KB

MD5
efe1fbead822e7726e907da6ca08d336

SHA1
0b17683f6a6eea7947920a2f4706b99a275b005d

SHA256
6f1a8cc34dfb8b41ec8d398ae556ae35a92fb80f5c4055df14cfa51a7cb70b9c

SHA512
203c86aeedac947650a1f3e81dc40a3d64d4377c944e8f6f9821640afdf04aca521c574366c05ccd9ea8beca7facafc14f86b6444aabbd42a5c06bf985754438

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

Filesize
208KB

MD5
efe1fbead822e7726e907da6ca08d336

SHA1
0b17683f6a6eea7947920a2f4706b99a275b005d

SHA256
6f1a8cc34dfb8b41ec8d398ae556ae35a92fb80f5c4055df14cfa51a7cb70b9c

SHA512
203c86aeedac947650a1f3e81dc40a3d64d4377c944e8f6f9821640afdf04aca521c574366c05ccd9ea8beca7facafc14f86b6444aabbd42a5c06bf985754438

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

Filesize
208KB

MD5
efe1fbead822e7726e907da6ca08d336

SHA1
0b17683f6a6eea7947920a2f4706b99a275b005d

SHA256
6f1a8cc34dfb8b41ec8d398ae556ae35a92fb80f5c4055df14cfa51a7cb70b9c

SHA512
203c86aeedac947650a1f3e81dc40a3d64d4377c944e8f6f9821640afdf04aca521c574366c05ccd9ea8beca7facafc14f86b6444aabbd42a5c06bf985754438

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

Filesize
208KB

MD5
efe1fbead822e7726e907da6ca08d336

SHA1
0b17683f6a6eea7947920a2f4706b99a275b005d

SHA256
6f1a8cc34dfb8b41ec8d398ae556ae35a92fb80f5c4055df14cfa51a7cb70b9c

SHA512
203c86aeedac947650a1f3e81dc40a3d64d4377c944e8f6f9821640afdf04aca521c574366c05ccd9ea8beca7facafc14f86b6444aabbd42a5c06bf985754438

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

Filesize
208KB

MD5
efe1fbead822e7726e907da6ca08d336

SHA1
0b17683f6a6eea7947920a2f4706b99a275b005d

SHA256
6f1a8cc34dfb8b41ec8d398ae556ae35a92fb80f5c4055df14cfa51a7cb70b9c

SHA512
203c86aeedac947650a1f3e81dc40a3d64d4377c944e8f6f9821640afdf04aca521c574366c05ccd9ea8beca7facafc14f86b6444aabbd42a5c06bf985754438

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

Filesize
208KB

MD5
efe1fbead822e7726e907da6ca08d336

SHA1
0b17683f6a6eea7947920a2f4706b99a275b005d

SHA256
6f1a8cc34dfb8b41ec8d398ae556ae35a92fb80f5c4055df14cfa51a7cb70b9c

SHA512
203c86aeedac947650a1f3e81dc40a3d64d4377c944e8f6f9821640afdf04aca521c574366c05ccd9ea8beca7facafc14f86b6444aabbd42a5c06bf985754438

Download Submit
memory/736-56-0x00000000005DD000-0x00000000005F3000-memory.dmp

Filesize
88KB

Download
memory/1740-82-0x000000000051D000-0x0000000000532000-memory.dmp

Filesize
84KB

Download
memory/1764-107-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/1764-106-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/1764-114-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/1764-92-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/1764-94-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/1764-111-0x00000000744E1000-0x00000000744E3000-memory.dmp

Filesize
8KB

Download
memory/1764-98-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/1764-99-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/1764-110-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/1880-65-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1880-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1880-66-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1880-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1880-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1880-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1880-70-0x0000000076201000-0x0000000076203000-memory.dmp

Filesize
8KB

Download
memory/1880-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1880-69-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1892-109-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1892-113-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download