b35a1c26a044ca798226c140f2e72e7a933abb7af682148212364ea55729b38c

Analysis

max time kernel
167s
max time network
211s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
02-12-2022 20:06

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General

Target

b35a1c26a044ca798226c140f2e72e7a933abb7af682148212364ea55729b38c.exe
Size

452KB
MD5

32a650cc2e4b751741cda53745effb07
SHA1

646a101f72e8a33c1ed8910eaeebd569985cb15d
SHA256

b35a1c26a044ca798226c140f2e72e7a933abb7af682148212364ea55729b38c
SHA512

a43d95f6a472f03c68dbb26d269d70664f74f549b2a9c268476ae6e837b01de28d2e0856ccce776f62a2513febd39a5f0165c20369964656e5ff9949a7c33135
SSDEEP

6144:plRm973fQ6xfE9sNYGl73IBtWcp+G18MXExFVazIaZoE:pl41zfEOYGxSp+GKMXExFVWIaKE

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1776	inlF9FA.tmp

Deletes itself 1 IoCs

pid	Process
1724	cmd.exe

Loads dropped DLL 4 IoCs

pid	Process
808	MsiExec.exe
808	MsiExec.exe
580	cmd.exe
580	cmd.exe

Enumerates connected drives 3 TTPs 48 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\F:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\F:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Installer\MSI4E2.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI8C9.tmp	msiexec.exe
File opened for modification	C:\Windows\Logs\DPX\setupact.log	expand.exe
File opened for modification	C:\Windows\Logs\DPX\setuperr.log	expand.exe
File created	C:\Windows\Installer\6e005f.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\6e005f.msi	msiexec.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2036	b35a1c26a044ca798226c140f2e72e7a933abb7af682148212364ea55729b38c.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

description	pid	Process
Token: SeShutdownPrivilege	524	msiexec.exe
Token: SeIncreaseQuotaPrivilege	524	msiexec.exe
Token: SeRestorePrivilege	1168	msiexec.exe
Token: SeTakeOwnershipPrivilege	1168	msiexec.exe
Token: SeSecurityPrivilege	1168	msiexec.exe
Token: SeCreateTokenPrivilege	524	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	524	msiexec.exe
Token: SeLockMemoryPrivilege	524	msiexec.exe
Token: SeIncreaseQuotaPrivilege	524	msiexec.exe
Token: SeMachineAccountPrivilege	524	msiexec.exe
Token: SeTcbPrivilege	524	msiexec.exe
Token: SeSecurityPrivilege	524	msiexec.exe
Token: SeTakeOwnershipPrivilege	524	msiexec.exe
Token: SeLoadDriverPrivilege	524	msiexec.exe
Token: SeSystemProfilePrivilege	524	msiexec.exe
Token: SeSystemtimePrivilege	524	msiexec.exe
Token: SeProfSingleProcessPrivilege	524	msiexec.exe
Token: SeIncBasePriorityPrivilege	524	msiexec.exe
Token: SeCreatePagefilePrivilege	524	msiexec.exe
Token: SeCreatePermanentPrivilege	524	msiexec.exe
Token: SeBackupPrivilege	524	msiexec.exe
Token: SeRestorePrivilege	524	msiexec.exe
Token: SeShutdownPrivilege	524	msiexec.exe
Token: SeDebugPrivilege	524	msiexec.exe
Token: SeAuditPrivilege	524	msiexec.exe
Token: SeSystemEnvironmentPrivilege	524	msiexec.exe
Token: SeChangeNotifyPrivilege	524	msiexec.exe
Token: SeRemoteShutdownPrivilege	524	msiexec.exe
Token: SeUndockPrivilege	524	msiexec.exe
Token: SeSyncAgentPrivilege	524	msiexec.exe
Token: SeEnableDelegationPrivilege	524	msiexec.exe
Token: SeManageVolumePrivilege	524	msiexec.exe
Token: SeImpersonatePrivilege	524	msiexec.exe
Token: SeCreateGlobalPrivilege	524	msiexec.exe
Token: SeRestorePrivilege	1168	msiexec.exe
Token: SeTakeOwnershipPrivilege	1168	msiexec.exe
Token: SeRestorePrivilege	1168	msiexec.exe
Token: SeTakeOwnershipPrivilege	1168	msiexec.exe
Token: SeRestorePrivilege	1168	msiexec.exe
Token: SeTakeOwnershipPrivilege	1168	msiexec.exe
Token: SeIncBasePriorityPrivilege	2036	b35a1c26a044ca798226c140f2e72e7a933abb7af682148212364ea55729b38c.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 912	2036	b35a1c26a044ca798226c140f2e72e7a933abb7af682148212364ea55729b38c.exe	28
PID 2036 wrote to memory of 912	2036	b35a1c26a044ca798226c140f2e72e7a933abb7af682148212364ea55729b38c.exe	28
PID 2036 wrote to memory of 912	2036	b35a1c26a044ca798226c140f2e72e7a933abb7af682148212364ea55729b38c.exe	28
PID 2036 wrote to memory of 912	2036	b35a1c26a044ca798226c140f2e72e7a933abb7af682148212364ea55729b38c.exe	28
PID 2036 wrote to memory of 524	2036	b35a1c26a044ca798226c140f2e72e7a933abb7af682148212364ea55729b38c.exe	30
PID 2036 wrote to memory of 524	2036	b35a1c26a044ca798226c140f2e72e7a933abb7af682148212364ea55729b38c.exe	30
PID 2036 wrote to memory of 524	2036	b35a1c26a044ca798226c140f2e72e7a933abb7af682148212364ea55729b38c.exe	30
PID 2036 wrote to memory of 524	2036	b35a1c26a044ca798226c140f2e72e7a933abb7af682148212364ea55729b38c.exe	30
PID 2036 wrote to memory of 524	2036	b35a1c26a044ca798226c140f2e72e7a933abb7af682148212364ea55729b38c.exe	30
PID 2036 wrote to memory of 524	2036	b35a1c26a044ca798226c140f2e72e7a933abb7af682148212364ea55729b38c.exe	30
PID 2036 wrote to memory of 524	2036	b35a1c26a044ca798226c140f2e72e7a933abb7af682148212364ea55729b38c.exe	30
PID 1168 wrote to memory of 808	1168	msiexec.exe	32
PID 1168 wrote to memory of 808	1168	msiexec.exe	32
PID 1168 wrote to memory of 808	1168	msiexec.exe	32
PID 1168 wrote to memory of 808	1168	msiexec.exe	32
PID 1168 wrote to memory of 808	1168	msiexec.exe	32
PID 1168 wrote to memory of 808	1168	msiexec.exe	32
PID 1168 wrote to memory of 808	1168	msiexec.exe	32
PID 2036 wrote to memory of 580	2036	b35a1c26a044ca798226c140f2e72e7a933abb7af682148212364ea55729b38c.exe	33
PID 2036 wrote to memory of 580	2036	b35a1c26a044ca798226c140f2e72e7a933abb7af682148212364ea55729b38c.exe	33
PID 2036 wrote to memory of 580	2036	b35a1c26a044ca798226c140f2e72e7a933abb7af682148212364ea55729b38c.exe	33
PID 2036 wrote to memory of 580	2036	b35a1c26a044ca798226c140f2e72e7a933abb7af682148212364ea55729b38c.exe	33
PID 2036 wrote to memory of 1524	2036	b35a1c26a044ca798226c140f2e72e7a933abb7af682148212364ea55729b38c.exe	35
PID 2036 wrote to memory of 1524	2036	b35a1c26a044ca798226c140f2e72e7a933abb7af682148212364ea55729b38c.exe	35
PID 2036 wrote to memory of 1524	2036	b35a1c26a044ca798226c140f2e72e7a933abb7af682148212364ea55729b38c.exe	35
PID 2036 wrote to memory of 1524	2036	b35a1c26a044ca798226c140f2e72e7a933abb7af682148212364ea55729b38c.exe	35
PID 2036 wrote to memory of 1724	2036	b35a1c26a044ca798226c140f2e72e7a933abb7af682148212364ea55729b38c.exe	37
PID 2036 wrote to memory of 1724	2036	b35a1c26a044ca798226c140f2e72e7a933abb7af682148212364ea55729b38c.exe	37
PID 2036 wrote to memory of 1724	2036	b35a1c26a044ca798226c140f2e72e7a933abb7af682148212364ea55729b38c.exe	37
PID 2036 wrote to memory of 1724	2036	b35a1c26a044ca798226c140f2e72e7a933abb7af682148212364ea55729b38c.exe	37
PID 1524 wrote to memory of 1112	1524	cmd.exe	38
PID 1524 wrote to memory of 1112	1524	cmd.exe	38
PID 1524 wrote to memory of 1112	1524	cmd.exe	38
PID 1524 wrote to memory of 1112	1524	cmd.exe	38
PID 580 wrote to memory of 1776	580	cmd.exe	40
PID 580 wrote to memory of 1776	580	cmd.exe	40
PID 580 wrote to memory of 1776	580	cmd.exe	40
PID 580 wrote to memory of 1776	580	cmd.exe	40

C:\Users\Admin\AppData\Local\Temp\b35a1c26a044ca798226c140f2e72e7a933abb7af682148212364ea55729b38c.exe
"C:\Users\Admin\AppData\Local\Temp\b35a1c26a044ca798226c140f2e72e7a933abb7af682148212364ea55729b38c.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\run_kl_file.bat" "
  2⤵
  PID:912
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ins9AE9.tmp.msi" /quiet
  2⤵
  - Enumerates connected drives
  - Suspicious use of AdjustPrivilegeToken
  PID:524
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\run_dws_file.bat" "
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:580
- - C:\Users\Admin\AppData\Local\Temp\inlF9FA.tmp
    C:\Users\Admin\AppData\Local\Temp\inlF9FA.tmp cdf1912.tmp
    3⤵
    - Executes dropped EXE
    PID:1776
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp_ext_favurl_cab.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1524
- - C:\Windows\SysWOW64\expand.exe
    expand.exe "C:\Users\Admin\AppData\Local\Temp\favorites_url.cab" -F:*.* "C:\Users\Admin\Favorites"
    3⤵
    - Drops file in Windows directory
    PID:1112
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\B35A1C~1.EXE > nul
  2⤵
  - Deletes itself
  PID:1724

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1168
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 03CFCEA8475281C9F57BA7E118205640
  2⤵
  - Loads dropped DLL
  PID:808

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

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\cdf1912.tmp

Filesize
768B

MD5
d20d9eda31a2d0300e4589df7f352370

SHA1
79b46d2dbb489914cfedafdbc90e62951471b48e

SHA256
d7a1d6a8cf5c3fbb85cd06147a599f5274630b86b1c89721f10a60c1bbe994d8

SHA512
d28c5b69325a9833776ea362445b77b231a0ec9b9b8b4a2ad37a434ee8b2b0c1903d6ade1e372f73ac8ada951e0a24076cf23d9307d27fed5927f4bf8b0d0a5e

Download Submit
C:\Users\Admin\AppData\Local\Temp\inlF9FA.tmp

Filesize
42.0MB

MD5
df89a9de0fc03f5f0e35003095becdd9

SHA1
b51162fbcbede988b37c4cb98d01a7e93d21b4cb

SHA256
87e46d8215c542ad400606c0f0013524821ce86c112e8f65c9488656511c7372

SHA512
3126bd67043ddb6cde32a82f912363274f256e7b6a2865ed06879c59b32d345d96e83e7f569766c6ca01cd5ce9cf084d07496a06b0f42342b12d5cf3a351ffa7

Download Submit
C:\Users\Admin\AppData\Local\Temp\inlF9FA.tmp

Filesize
43.1MB

MD5
554cb715bbc70819408df46c737eda47

SHA1
f885c62aa54f3a207870c6028733ed1c45525690

SHA256
1435257c2342d3f035520d8afce3ac15d8629d927e8e57e353fdea4d024b9751

SHA512
e83282c7347ad23ac613619be7c203c5f10d7e5c8d55c9220e5b8aff1ae256c221b3a80fdaed6e55aa8bf68f2cd1ad450ee927870f7cbd75526b7415b8e4ebdd

Download Submit
C:\Users\Admin\AppData\Local\Temp\ins9AE9.tmp.msi

Filesize
123.0MB

MD5
4ce78d92df5420fd7149dc5081e27351

SHA1
17b5e1f3d2faedc8d1e668b150c76f87ed47078b

SHA256
6c6e538244980b355421f6b46fcb3cd8be85822efef938bf532897e9e1faaaa1

SHA512
7c5fc5922f8a0baa215f6636466f8488aced046d4c86d53992d7246010804fa10152d11d894c30924a694a7ab46f77aa09fe5547d5843b4d6cbfc31d7594e686

Download Submit
C:\Users\Admin\AppData\Local\Temp\run_dws_file.bat

Filesize
57B

MD5
146a0ef5ba065fad89535644da4ef4e3

SHA1
74ef9e6f8fda5bb877f71a21b466341e52da47d4

SHA256
ddf76792dd0205cd334b4e1049d72aa9832cb1ec61c6f1841a9d337d93446e45

SHA512
4880beddb1a8c7ed6dc7867778bb5753f73ea4c6f053ef1d489680595a59d17eca482969eeb7bce63690b2a317b9a2f189816da217c37c3f1a23cd5a4894c7e8

Download Submit
C:\Users\Admin\AppData\Local\Temp\run_kl_file.bat

Filesize
26B

MD5
49cb42ed4e90c1df7d7bd69348b4cac9

SHA1
0e06e4b6201177a24c304b02fb052d6f5393f314

SHA256
0fe404e349177b204405181c00c357c1ac82cbd04ca450e2faebeead2ef54b6d

SHA512
e42e038acbbf58c17a2fd0353b14f65d360ec886aafdade4e1d71ca45f9852d01a080a9d09676008aa15296a4ac87eb1ff6e29523d057f1d4452e21776cbc319

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp_ext_favurl_cab.bat

Filesize
98B

MD5
8663de6fce9208b795dc913d1a6a3f5b

SHA1
882193f208cf012eaf22eeaa4fef3b67e7c67c15

SHA256
2909ea8555f2fc19097c1070a1da8fcfd6dc6886aa1d99d7e0c05e53feeb5b61

SHA512
9381063e0f85e874be54ae22675393b82c6ab54b223090148e4acbeff6f22393c96c90b83d6538461b695528af01d1f1231cf5dc719f07d6168386974b490688

Download Submit
C:\Windows\Installer\MSI4E2.tmp

Filesize
48KB

MD5
9067aad412defc0d2888479609041392

SHA1
36cfffc3bafeb24f88ad5886ca5787ca008b6ba9

SHA256
99f4e00b6908057a2fe5067ff6c8b6e32b5c07558ab79139dc4b998f1da4b517

SHA512
e69f259d78b02e6c1a5d9c45898b59372329a5288fff655dd741353f112b2b8eed18b01caa2bf312a91f5e314e1c0b036321b37c8efbebdcf3650ba6b12dee6a

Download Submit
C:\Windows\Installer\MSI8C9.tmp

Filesize
48KB

MD5
9067aad412defc0d2888479609041392

SHA1
36cfffc3bafeb24f88ad5886ca5787ca008b6ba9

SHA256
99f4e00b6908057a2fe5067ff6c8b6e32b5c07558ab79139dc4b998f1da4b517

SHA512
e69f259d78b02e6c1a5d9c45898b59372329a5288fff655dd741353f112b2b8eed18b01caa2bf312a91f5e314e1c0b036321b37c8efbebdcf3650ba6b12dee6a

Download Submit
\??\c:\users\admin\appdata\local\temp\favorites_url.cab

Filesize
425B

MD5
da68bc3b7c3525670a04366bc55629f5

SHA1
15fda47ecfead7db8f7aee6ca7570138ba7f1b71

SHA256
73f3605192b676c92649034768378909a19d13883a7ea6f8ba1b096c78ffadb5

SHA512
6fee416affcb6a74621479697bca6f14f5429b00de3aa595abe3c60c6b2e094877b59f8783bbe7bdd567fa565d0630bb02def5603f8f0ea92fe8f2c3ac5383c0

Download Submit
\Users\Admin\AppData\Local\Temp\inlF9FA.tmp

Filesize
48.4MB

MD5
30e938d9a8b9c1307fb5e8d7e7c5018a

SHA1
6e328b91eb455219c529bda30b491d1487dcbb35

SHA256
fb529a2bd1f4b43b70732a7e54ad13a36599a951106c0540f0ddbddab18351a1

SHA512
36a6c94d5328eb688f7c134d4ad6f415cf10a762895b33b137ecf477ca04ea2acba0bdf4b73cef53249db90604afe24df43affe3cfcbbd2aa70f9a339d1edc7f

Download Submit
\Users\Admin\AppData\Local\Temp\inlF9FA.tmp

Filesize
40.2MB

MD5
4624ec52eca673e9b59590001123cd3c

SHA1
b37ae6b16ad67870a16161561dc02d4a038b1a4c

SHA256
13a45113b8be49bdd72a8c9ef50248ebaaa5a3343ed4123c079fed2060a62979

SHA512
79145380ae32e7d1c4e3ba79b8b84d6ea79933bcad24f25b1c6478b82dd8a3d34cd2b155ff5a071961de74e37c4e6235c18f76c02ea202bcef29c52f2b5541a6

Download Submit
\Windows\Installer\MSI4E2.tmp

Filesize
48KB

MD5
9067aad412defc0d2888479609041392

SHA1
36cfffc3bafeb24f88ad5886ca5787ca008b6ba9

SHA256
99f4e00b6908057a2fe5067ff6c8b6e32b5c07558ab79139dc4b998f1da4b517

SHA512
e69f259d78b02e6c1a5d9c45898b59372329a5288fff655dd741353f112b2b8eed18b01caa2bf312a91f5e314e1c0b036321b37c8efbebdcf3650ba6b12dee6a

Download Submit
\Windows\Installer\MSI8C9.tmp

Filesize
48KB

MD5
9067aad412defc0d2888479609041392

SHA1
36cfffc3bafeb24f88ad5886ca5787ca008b6ba9

SHA256
99f4e00b6908057a2fe5067ff6c8b6e32b5c07558ab79139dc4b998f1da4b517

SHA512
e69f259d78b02e6c1a5d9c45898b59372329a5288fff655dd741353f112b2b8eed18b01caa2bf312a91f5e314e1c0b036321b37c8efbebdcf3650ba6b12dee6a

Download Submit
memory/1168-61-0x000007FEFC201000-0x000007FEFC203000-memory.dmp

Filesize
8KB

Download
memory/2036-54-0x0000000075631000-0x0000000075633000-memory.dmp

Filesize
8KB

Download
memory/2036-73-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/2036-55-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download