a1a8cc32375dbb54daf4e067da80221c27fc9601fae3efc6a6dc148421d35967

Analysis

max time kernel
151s
max time network
75s
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

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General

Target

a1a8cc32375dbb54daf4e067da80221c27fc9601fae3efc6a6dc148421d35967.exe
Size

208KB
MD5

03408a1b0ae35ef438170a72ac001590
SHA1

06b1786d3ca430e96367cf07e43e3a41e92ac5b9
SHA256

a1a8cc32375dbb54daf4e067da80221c27fc9601fae3efc6a6dc148421d35967
SHA512

fda55137d87d7f16e10de3875c1cfba0c6a51d33b4e93fe88ed2c274f9ad0c4de630734fbf425065d00e60f229bd9590d8ce971fdb7ba7291f1260a068550b0e
SSDEEP

1536:Vfuxw10lxJM5y8w5OZRVmgyDl+cWaxJcveQZNTRSb3EBAR1AlQPsxjheYhpXN5yh:f0OtF2Qo7VsJgisxlYegEX0ZZbW

Score

8^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
1444	svhust.exe
112	svhust.exe
680	svhust.exe

UPX packed file 17 IoCs

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

upx

resource	yara_rule
behavioral1/memory/856-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/856-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/856-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/856-65-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/856-66-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/856-69-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/680-94-0x0000000000400000-0x0000000000479000-memory.dmp	upx
behavioral1/memory/680-98-0x0000000000400000-0x0000000000479000-memory.dmp	upx
behavioral1/memory/680-99-0x0000000000400000-0x0000000000479000-memory.dmp	upx
behavioral1/memory/680-106-0x0000000000400000-0x0000000000479000-memory.dmp	upx
behavioral1/memory/856-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/680-108-0x0000000000400000-0x0000000000479000-memory.dmp	upx
behavioral1/memory/680-109-0x0000000000400000-0x0000000000479000-memory.dmp	upx
behavioral1/memory/112-110-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/680-111-0x0000000000400000-0x0000000000479000-memory.dmp	upx
behavioral1/memory/680-114-0x0000000000400000-0x0000000000479000-memory.dmp	upx
behavioral1/memory/112-115-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Loads dropped DLL 4 IoCs

pid	Process
856	a1a8cc32375dbb54daf4e067da80221c27fc9601fae3efc6a6dc148421d35967.exe
856	a1a8cc32375dbb54daf4e067da80221c27fc9601fae3efc6a6dc148421d35967.exe
856	a1a8cc32375dbb54daf4e067da80221c27fc9601fae3efc6a6dc148421d35967.exe
856	a1a8cc32375dbb54daf4e067da80221c27fc9601fae3efc6a6dc148421d35967.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-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\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 1232 set thread context of 856	1232	a1a8cc32375dbb54daf4e067da80221c27fc9601fae3efc6a6dc148421d35967.exe	28
PID 1444 set thread context of 112	1444	svhust.exe	33
PID 1444 set thread context of 680	1444	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 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe
Token: SeDebugPrivilege	112	svhust.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
680	svhust.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1232	a1a8cc32375dbb54daf4e067da80221c27fc9601fae3efc6a6dc148421d35967.exe
856	a1a8cc32375dbb54daf4e067da80221c27fc9601fae3efc6a6dc148421d35967.exe
1444	svhust.exe
112	svhust.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1232 wrote to memory of 856	1232	a1a8cc32375dbb54daf4e067da80221c27fc9601fae3efc6a6dc148421d35967.exe	28
PID 1232 wrote to memory of 856	1232	a1a8cc32375dbb54daf4e067da80221c27fc9601fae3efc6a6dc148421d35967.exe	28
PID 1232 wrote to memory of 856	1232	a1a8cc32375dbb54daf4e067da80221c27fc9601fae3efc6a6dc148421d35967.exe	28
PID 1232 wrote to memory of 856	1232	a1a8cc32375dbb54daf4e067da80221c27fc9601fae3efc6a6dc148421d35967.exe	28
PID 1232 wrote to memory of 856	1232	a1a8cc32375dbb54daf4e067da80221c27fc9601fae3efc6a6dc148421d35967.exe	28
PID 1232 wrote to memory of 856	1232	a1a8cc32375dbb54daf4e067da80221c27fc9601fae3efc6a6dc148421d35967.exe	28
PID 1232 wrote to memory of 856	1232	a1a8cc32375dbb54daf4e067da80221c27fc9601fae3efc6a6dc148421d35967.exe	28
PID 1232 wrote to memory of 856	1232	a1a8cc32375dbb54daf4e067da80221c27fc9601fae3efc6a6dc148421d35967.exe	28
PID 856 wrote to memory of 1404	856	a1a8cc32375dbb54daf4e067da80221c27fc9601fae3efc6a6dc148421d35967.exe	29
PID 856 wrote to memory of 1404	856	a1a8cc32375dbb54daf4e067da80221c27fc9601fae3efc6a6dc148421d35967.exe	29
PID 856 wrote to memory of 1404	856	a1a8cc32375dbb54daf4e067da80221c27fc9601fae3efc6a6dc148421d35967.exe	29
PID 856 wrote to memory of 1404	856	a1a8cc32375dbb54daf4e067da80221c27fc9601fae3efc6a6dc148421d35967.exe	29
PID 1404 wrote to memory of 888	1404	cmd.exe	31
PID 1404 wrote to memory of 888	1404	cmd.exe	31
PID 1404 wrote to memory of 888	1404	cmd.exe	31
PID 1404 wrote to memory of 888	1404	cmd.exe	31
PID 856 wrote to memory of 1444	856	a1a8cc32375dbb54daf4e067da80221c27fc9601fae3efc6a6dc148421d35967.exe	32
PID 856 wrote to memory of 1444	856	a1a8cc32375dbb54daf4e067da80221c27fc9601fae3efc6a6dc148421d35967.exe	32
PID 856 wrote to memory of 1444	856	a1a8cc32375dbb54daf4e067da80221c27fc9601fae3efc6a6dc148421d35967.exe	32
PID 856 wrote to memory of 1444	856	a1a8cc32375dbb54daf4e067da80221c27fc9601fae3efc6a6dc148421d35967.exe	32
PID 1444 wrote to memory of 112	1444	svhust.exe	33
PID 1444 wrote to memory of 112	1444	svhust.exe	33
PID 1444 wrote to memory of 112	1444	svhust.exe	33
PID 1444 wrote to memory of 112	1444	svhust.exe	33
PID 1444 wrote to memory of 112	1444	svhust.exe	33
PID 1444 wrote to memory of 112	1444	svhust.exe	33
PID 1444 wrote to memory of 112	1444	svhust.exe	33
PID 1444 wrote to memory of 112	1444	svhust.exe	33
PID 1444 wrote to memory of 680	1444	svhust.exe	34
PID 1444 wrote to memory of 680	1444	svhust.exe	34
PID 1444 wrote to memory of 680	1444	svhust.exe	34
PID 1444 wrote to memory of 680	1444	svhust.exe	34
PID 1444 wrote to memory of 680	1444	svhust.exe	34
PID 1444 wrote to memory of 680	1444	svhust.exe	34
PID 1444 wrote to memory of 680	1444	svhust.exe	34
PID 1444 wrote to memory of 680	1444	svhust.exe	34

C:\Users\Admin\AppData\Local\Temp\a1a8cc32375dbb54daf4e067da80221c27fc9601fae3efc6a6dc148421d35967.exe
"C:\Users\Admin\AppData\Local\Temp\a1a8cc32375dbb54daf4e067da80221c27fc9601fae3efc6a6dc148421d35967.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1232
- C:\Users\Admin\AppData\Local\Temp\a1a8cc32375dbb54daf4e067da80221c27fc9601fae3efc6a6dc148421d35967.exe
  "C:\Users\Admin\AppData\Local\Temp\a1a8cc32375dbb54daf4e067da80221c27fc9601fae3efc6a6dc148421d35967.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:856
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\TABHE.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1404
  - - 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:888
- - 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:1444
  - - 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:112
  - - 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:680

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\TABHE.bat

Filesize
141B

MD5
e83a2e0b3c1e03dfb96ffd9924117a45

SHA1
27a3e4ba115ba1bad0bf094f5b97e768d1ece33e

SHA256
655407d94fff9e707712a588d97a2017cc1c9d690a67c688ed0abcb79e452b13

SHA512
5f61686a3b7db3544d83a4f2ce1a75868c7dc266709f72a34eafecc3a26696a985b1912a559aed8f5a2cacbfe26be9beae2374340d1801bb18473de785557480

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

Filesize
208KB

MD5
e3faab8d55474f2b00bf28aa797ebbc6

SHA1
1256aa0ce619f17e636efcfbfe2ee8fff6329697

SHA256
e39e96a5eaa95af7383a8b887389361692b5d606a913396af196c6be1f857d6a

SHA512
2862eba5add027c358f3c249ea39894fa99f5c4d4f9124384bbf7ade1826cf208dccae3934c725d7c672c49b1640f8fe9296d64715db4388f6468f5433e4bbc4

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

Filesize
208KB

MD5
e3faab8d55474f2b00bf28aa797ebbc6

SHA1
1256aa0ce619f17e636efcfbfe2ee8fff6329697

SHA256
e39e96a5eaa95af7383a8b887389361692b5d606a913396af196c6be1f857d6a

SHA512
2862eba5add027c358f3c249ea39894fa99f5c4d4f9124384bbf7ade1826cf208dccae3934c725d7c672c49b1640f8fe9296d64715db4388f6468f5433e4bbc4

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

Filesize
208KB

MD5
e3faab8d55474f2b00bf28aa797ebbc6

SHA1
1256aa0ce619f17e636efcfbfe2ee8fff6329697

SHA256
e39e96a5eaa95af7383a8b887389361692b5d606a913396af196c6be1f857d6a

SHA512
2862eba5add027c358f3c249ea39894fa99f5c4d4f9124384bbf7ade1826cf208dccae3934c725d7c672c49b1640f8fe9296d64715db4388f6468f5433e4bbc4

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

Filesize
208KB

MD5
e3faab8d55474f2b00bf28aa797ebbc6

SHA1
1256aa0ce619f17e636efcfbfe2ee8fff6329697

SHA256
e39e96a5eaa95af7383a8b887389361692b5d606a913396af196c6be1f857d6a

SHA512
2862eba5add027c358f3c249ea39894fa99f5c4d4f9124384bbf7ade1826cf208dccae3934c725d7c672c49b1640f8fe9296d64715db4388f6468f5433e4bbc4

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

Filesize
208KB

MD5
e3faab8d55474f2b00bf28aa797ebbc6

SHA1
1256aa0ce619f17e636efcfbfe2ee8fff6329697

SHA256
e39e96a5eaa95af7383a8b887389361692b5d606a913396af196c6be1f857d6a

SHA512
2862eba5add027c358f3c249ea39894fa99f5c4d4f9124384bbf7ade1826cf208dccae3934c725d7c672c49b1640f8fe9296d64715db4388f6468f5433e4bbc4

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

Filesize
208KB

MD5
e3faab8d55474f2b00bf28aa797ebbc6

SHA1
1256aa0ce619f17e636efcfbfe2ee8fff6329697

SHA256
e39e96a5eaa95af7383a8b887389361692b5d606a913396af196c6be1f857d6a

SHA512
2862eba5add027c358f3c249ea39894fa99f5c4d4f9124384bbf7ade1826cf208dccae3934c725d7c672c49b1640f8fe9296d64715db4388f6468f5433e4bbc4

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

Filesize
208KB

MD5
e3faab8d55474f2b00bf28aa797ebbc6

SHA1
1256aa0ce619f17e636efcfbfe2ee8fff6329697

SHA256
e39e96a5eaa95af7383a8b887389361692b5d606a913396af196c6be1f857d6a

SHA512
2862eba5add027c358f3c249ea39894fa99f5c4d4f9124384bbf7ade1826cf208dccae3934c725d7c672c49b1640f8fe9296d64715db4388f6468f5433e4bbc4

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

Filesize
208KB

MD5
e3faab8d55474f2b00bf28aa797ebbc6

SHA1
1256aa0ce619f17e636efcfbfe2ee8fff6329697

SHA256
e39e96a5eaa95af7383a8b887389361692b5d606a913396af196c6be1f857d6a

SHA512
2862eba5add027c358f3c249ea39894fa99f5c4d4f9124384bbf7ade1826cf208dccae3934c725d7c672c49b1640f8fe9296d64715db4388f6468f5433e4bbc4

Download Submit
memory/112-110-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/112-115-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/680-111-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/680-108-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/680-112-0x0000000074681000-0x0000000074683000-memory.dmp

Filesize
8KB

Download
memory/680-114-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/680-106-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/680-99-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/680-98-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/680-94-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/680-109-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/680-93-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/856-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/856-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/856-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/856-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/856-65-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/856-66-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/856-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/856-69-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/856-70-0x0000000075F51000-0x0000000075F53000-memory.dmp

Filesize
8KB

Download
memory/1232-56-0x00000000008BD000-0x00000000008D3000-memory.dmp

Filesize
88KB

Download
memory/1444-82-0x00000000008DD000-0x00000000008F2000-memory.dmp

Filesize
84KB

Download