1641ed2f17c1aa821346204520da5596bfc342bb41ef1cf17db5743e4a39488f

Analysis

max time kernel
150s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
21-10-2023 14:49

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General

Target

1641ed2f17c1aa821346204520da5596bfc342bb41ef1cf17db5743e4a39488f.exe
Size

3.6MB
MD5

3d7a1a8762588a0aef2b205af50411e8
SHA1

eb4ed1959d3d671b6c125d01b80c8e3cf9bca1a4
SHA256

1641ed2f17c1aa821346204520da5596bfc342bb41ef1cf17db5743e4a39488f
SHA512

fa3be31901ef126433308e2b4b776f7aeeb3ae37b13c404bc8f76f2cdac40667597c0732938ea0e756d93a7ad0876ca788e2dec0b8af7477ad19ea560575de36
SSDEEP

49152:is5SkP2lS1mdM03aT1PwXPwh11sXIAyT9tN93jF:B5SQrWM03o1EPs1sByTDF

Score

7^/10

upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3777073499-70821052-905318652-1000\Control Panel\International\Geo\Nation	1641ed2f17c1aa821346204520da5596bfc342bb41ef1cf17db5743e4a39488f.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3928-0-0x00000000008C0000-0x00000000009FC000-memory.dmp	upx
behavioral2/memory/3928-30-0x00000000008C0000-0x00000000009FC000-memory.dmp	upx
behavioral2/memory/3928-33-0x00000000008C0000-0x00000000009FC000-memory.dmp	upx
behavioral2/memory/3928-34-0x00000000008C0000-0x00000000009FC000-memory.dmp	upx

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\System32\SettingsHandlers_Authentication3ylc.sys	sdbinst.exe
File created	C:\Windows\System32\ksproxycMB.sys	sdbinst.exe
File created	C:\Windows\System32\KBDBULGpR.sys	sdbinst.exe
File created	C:\Windows\System32\mimofcodecNxL.sys	sdbinst.exe
File created	C:\Windows\System32\iribq.sys	sdbinst.exe

Drops file in Windows directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\WindowTerminalVaild36.log	CertEnrollCtrl.exe
File opened for modification	C:\Windows\WindowMicrosoftNET627.log	CertEnrollCtrl.exe
File opened for modification	C:\Windows\WindowRedSystem748.log	sdbinst.exe
File opened for modification	C:\Windows\WindowSystemNewUpdate03.log	CertEnrollCtrl.exe
File opened for modification	C:\Windows\WindowsShell27431.log	CertEnrollCtrl.exe
File opened for modification	C:\Windows\WindowsShell133041.log	CertEnrollCtrl.exe
File opened for modification	C:\Windows\WindowTerminalVaild37.log	CertEnrollCtrl.exe
File opened for modification	C:\Windows\WindowsShell4532425.log	1641ed2f17c1aa821346204520da5596bfc342bb41ef1cf17db5743e4a39488f.exe
File opened for modification	C:\Windows\WindowSystemNewUpdate158.log	CertEnrollCtrl.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1220	CertEnrollCtrl.exe
1220	CertEnrollCtrl.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe
820	sdbinst.exe

Suspicious behavior: LoadsDriver 5 IoCs

pid	Process
664	Process not Found
664	Process not Found
664	Process not Found
664	Process not Found
664	Process not Found

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	3928	1641ed2f17c1aa821346204520da5596bfc342bb41ef1cf17db5743e4a39488f.exe
Token: SeDebugPrivilege	1220	CertEnrollCtrl.exe
Token: SeIncBasePriorityPrivilege	3928	1641ed2f17c1aa821346204520da5596bfc342bb41ef1cf17db5743e4a39488f.exe
Token: SeDebugPrivilege	1220	CertEnrollCtrl.exe
Token: SeDebugPrivilege	1220	CertEnrollCtrl.exe
Token: SeDebugPrivilege	1220	CertEnrollCtrl.exe
Token: SeDebugPrivilege	1220	CertEnrollCtrl.exe
Token: SeDebugPrivilege	1220	CertEnrollCtrl.exe
Token: SeDebugPrivilege	820	sdbinst.exe
Token: SeDebugPrivilege	1220	CertEnrollCtrl.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3928 wrote to memory of 1220	3928	1641ed2f17c1aa821346204520da5596bfc342bb41ef1cf17db5743e4a39488f.exe	89
PID 3928 wrote to memory of 1220	3928	1641ed2f17c1aa821346204520da5596bfc342bb41ef1cf17db5743e4a39488f.exe	89
PID 3928 wrote to memory of 1220	3928	1641ed2f17c1aa821346204520da5596bfc342bb41ef1cf17db5743e4a39488f.exe	89
PID 3928 wrote to memory of 1220	3928	1641ed2f17c1aa821346204520da5596bfc342bb41ef1cf17db5743e4a39488f.exe	89
PID 3928 wrote to memory of 1220	3928	1641ed2f17c1aa821346204520da5596bfc342bb41ef1cf17db5743e4a39488f.exe	89
PID 3928 wrote to memory of 1220	3928	1641ed2f17c1aa821346204520da5596bfc342bb41ef1cf17db5743e4a39488f.exe	89
PID 3928 wrote to memory of 4200	3928	1641ed2f17c1aa821346204520da5596bfc342bb41ef1cf17db5743e4a39488f.exe	90
PID 3928 wrote to memory of 4200	3928	1641ed2f17c1aa821346204520da5596bfc342bb41ef1cf17db5743e4a39488f.exe	90
PID 3928 wrote to memory of 4200	3928	1641ed2f17c1aa821346204520da5596bfc342bb41ef1cf17db5743e4a39488f.exe	90
PID 1220 wrote to memory of 532	1220	CertEnrollCtrl.exe	95
PID 1220 wrote to memory of 532	1220	CertEnrollCtrl.exe	95
PID 1220 wrote to memory of 532	1220	CertEnrollCtrl.exe	95
PID 1220 wrote to memory of 532	1220	CertEnrollCtrl.exe	95
PID 1220 wrote to memory of 532	1220	CertEnrollCtrl.exe	95
PID 1220 wrote to memory of 532	1220	CertEnrollCtrl.exe	95
PID 532 wrote to memory of 820	532	lodctr.exe	97
PID 532 wrote to memory of 820	532	lodctr.exe	97
PID 532 wrote to memory of 820	532	lodctr.exe	97
PID 1220 wrote to memory of 820	1220	CertEnrollCtrl.exe	97
PID 1220 wrote to memory of 820	1220	CertEnrollCtrl.exe	97
PID 1220 wrote to memory of 820	1220	CertEnrollCtrl.exe	97

C:\Users\Admin\AppData\Local\Temp\1641ed2f17c1aa821346204520da5596bfc342bb41ef1cf17db5743e4a39488f.exe
"C:\Users\Admin\AppData\Local\Temp\1641ed2f17c1aa821346204520da5596bfc342bb41ef1cf17db5743e4a39488f.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3928
- C:\Windows\SysWOW64\CertEnrollCtrl.exe
  "C:\Windows\SysWOW64\CertEnrollCtrl.exe"
  2⤵
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1220
- - C:\Windows\SysWOW64\lodctr.exe
    "C:\Windows\SysWOW64\lodctr.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:532
  - - C:\Windows\SysWOW64\sdbinst.exe
      "C:\Windows\SysWOW64\sdbinst.exe"
      4⤵
      Drops file in System32 directory
      Drops file in Windows directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:820
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\1641ED~1.EXE > nul
  2⤵
  PID:4200

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\WindowRedSystem748.log

Filesize
7KB

MD5
38081bffd5a968666fdf67af0d1bf954

SHA1
9a032f6ea65546375217d9d17212bc86c882b901

SHA256
2d40acc6069a20a44ac399399f34afa221d6c66a24a33919a98c96631d5ddb03

SHA512
df2873b8ff9a8597bf845abc223fad480fd3dac0989577a918a9e7d04d865e3d538a7c4e894113bc634101ca7f156bedc717cd4e221569e832d54b130cad5f48

Download Submit
C:\Windows\WindowSystemNewUpdate03.log

Filesize
7KB

MD5
75fd2e445a0a6e67a990ec9e3d89725e

SHA1
f31c33059a4985326499b9487d7be2b5d9dfbabb

SHA256
d2fb8b47ff5de2ae5e8b8413892771dba1a100270e5ef93a987ee6b31e050886

SHA512
3917ed7c2a4c15044f0835d43d5e2768f3792720bafb7f48ff1bd98f795e3079b1241e0e8abbd0eb13356d669f50c1cdf0f3e24a2cf5510dceace850ae8473ee

Download Submit
C:\Windows\WindowSystemNewUpdate158.log

Filesize
4KB

MD5
5da8528b3775077e71f2691e0de569e0

SHA1
b4f41e9f87a3af66fe0575e58b0dadd72c00f22e

SHA256
da5a8821ba746c469afee86c3fa5062fea42336f92f50ecd387dd2328aff4a87

SHA512
3f051621c66af65c37259bc5af003fb68bf7e70db0722f6d6dc42e358780003cc52a4b4a6ef7a8d4a22e75f583bd1b2aef0fa114a35d1c029ef6a95e16ff000e

Download Submit
memory/532-76-0x0000000000C40000-0x0000000000C5F000-memory.dmp

Filesize
124KB

Download
memory/532-97-0x0000000000FB0000-0x0000000000FD4000-memory.dmp

Filesize
144KB

Download
memory/532-147-0x0000000000FB0000-0x0000000000FD4000-memory.dmp

Filesize
144KB

Download
memory/820-282-0x0000000000ED0000-0x0000000000EEB000-memory.dmp

Filesize
108KB

Download
memory/820-172-0x0000000010000000-0x00000000105DF000-memory.dmp

Filesize
5.9MB

Download
memory/820-169-0x0000000010000000-0x00000000105DF000-memory.dmp

Filesize
5.9MB

Download
memory/820-151-0x0000000000ED0000-0x0000000000EEB000-memory.dmp

Filesize
108KB

Download
memory/820-149-0x0000000000600000-0x0000000000BEA000-memory.dmp

Filesize
5.9MB

Download
memory/820-283-0x0000000010000000-0x00000000105DF000-memory.dmp

Filesize
5.9MB

Download
memory/820-284-0x0000000010000000-0x00000000105DF000-memory.dmp

Filesize
5.9MB

Download
memory/1220-28-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/1220-22-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/1220-2-0x0000000000600000-0x000000000070D000-memory.dmp

Filesize
1.1MB

Download
memory/1220-35-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/1220-37-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/1220-39-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/1220-40-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/1220-41-0x00000000033F0000-0x00000000038C3000-memory.dmp

Filesize
4.8MB

Download
memory/1220-48-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/1220-52-0x0000000004420000-0x0000000004536000-memory.dmp

Filesize
1.1MB

Download
memory/1220-62-0x0000000004420000-0x0000000004536000-memory.dmp

Filesize
1.1MB

Download
memory/1220-61-0x0000000004420000-0x0000000004536000-memory.dmp

Filesize
1.1MB

Download
memory/1220-64-0x0000000004420000-0x0000000004536000-memory.dmp

Filesize
1.1MB

Download
memory/1220-65-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/1220-68-0x0000000004420000-0x0000000004536000-memory.dmp

Filesize
1.1MB

Download
memory/1220-67-0x0000000002CA0000-0x0000000002CD7000-memory.dmp

Filesize
220KB

Download
memory/1220-71-0x0000000004420000-0x0000000004536000-memory.dmp

Filesize
1.1MB

Download
memory/1220-4-0x0000000000B30000-0x0000000000B4B000-memory.dmp

Filesize
108KB

Download
memory/1220-77-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/1220-82-0x0000000002DB0000-0x0000000002E17000-memory.dmp

Filesize
412KB

Download
memory/1220-29-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/1220-6-0x0000000000B30000-0x0000000000B4B000-memory.dmp

Filesize
108KB

Download
memory/1220-25-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/1220-24-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/1220-167-0x0000000004420000-0x0000000004536000-memory.dmp

Filesize
1.1MB

Download
memory/1220-7-0x0000000000B30000-0x0000000000B4B000-memory.dmp

Filesize
108KB

Download
memory/1220-19-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/1220-16-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/1220-8-0x0000000010000000-0x00000000100FD000-memory.dmp

Filesize
1012KB

Download
memory/3928-33-0x00000000008C0000-0x00000000009FC000-memory.dmp

Filesize
1.2MB

Download
memory/3928-0-0x00000000008C0000-0x00000000009FC000-memory.dmp

Filesize
1.2MB

Download
memory/3928-30-0x00000000008C0000-0x00000000009FC000-memory.dmp

Filesize
1.2MB

Download
memory/3928-34-0x00000000008C0000-0x00000000009FC000-memory.dmp

Filesize
1.2MB

Download