17e75f28d1566e91fc1e91a7782da24b1cf215fb7d5c2dfd746d7d4808049318

Analysis

max time kernel
151s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
11-10-2023 19:06

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General

Target

d98f926f3a2ea1308e2d80705591f91b_JC.exe
Size

472KB
MD5

d98f926f3a2ea1308e2d80705591f91b
SHA1

badd7d2f741c15d58139a1ebc3ac0f5152f195b1
SHA256

17e75f28d1566e91fc1e91a7782da24b1cf215fb7d5c2dfd746d7d4808049318
SHA512

eac1f64906642702597a2952ab5817ff632d8aa1ebfb7a0dd759e6cff4309764621fd41abb03f703fe28bf564266c5e7d426df053fc8c4a75fc1ee9961a88338
SSDEEP

6144:Wf+Jjjou35J6i5plrzuo6/LkeYvjoIHnv0RX/VwFdLD/7MsrYMC+9GXL9M8sG3dR:hj8u3ui5pl+uBvc/V0FdYxJdRqMt

Score

7^/10

persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 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-1-5-21-1141987721-3945596982-3297311814-1000\Control Panel\International\Geo\Nation	LSASS.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Control Panel\International\Geo\Nation	d98f926f3a2ea1308e2d80705591f91b_JC.exe

Executes dropped EXE 2 IoCs

pid	Process
4500	LSASS.exe
3264	LSASS.exe

Adds Run key to start application 2 TTPs 10 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysUtils = "C:\\Windows\\LSASS.exe"	REG.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysUtils = "C:\\Windows\\LSASS.exe"	REG.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SysUtils = "C:\\Windows\\LSASS.exe"	REG.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SysUtils = "C:\\Windows\\LSASS.exe"	REG.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SysUtils = "C:\\Users\\Admin\\AppData\\Local\\Temp\\d98f926f3a2ea1308e2d80705591f91b_JC.exe"	REG.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysUtils = "C:\\Windows\\LSASS.exe"	REG.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SysUtils = "C:\\Windows\\LSASS.exe"	REG.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SysUtils = "C:\\Windows\\LSASS.exe"	REG.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysUtils = "C:\\Windows\\LSASS.exe"	REG.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysUtils = "C:\\Users\\Admin\\AppData\\Local\\Temp\\d98f926f3a2ea1308e2d80705591f91b_JC.exe"	REG.exe

Enumerates connected drives 3 TTPs 21 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)	\??\H:	LSASS.exe
File opened (read-only)	\??\O:	LSASS.exe
File opened (read-only)	\??\V:	LSASS.exe
File opened (read-only)	\??\Y:	LSASS.exe
File opened (read-only)	\??\E:	LSASS.exe
File opened (read-only)	\??\G:	LSASS.exe
File opened (read-only)	\??\K:	LSASS.exe
File opened (read-only)	\??\N:	LSASS.exe
File opened (read-only)	\??\W:	LSASS.exe
File opened (read-only)	\??\L:	LSASS.exe
File opened (read-only)	\??\P:	LSASS.exe
File opened (read-only)	\??\S:	LSASS.exe
File opened (read-only)	\??\T:	LSASS.exe
File opened (read-only)	\??\Z:	LSASS.exe
File opened (read-only)	\??\U:	LSASS.exe
File opened (read-only)	\??\X:	LSASS.exe
File opened (read-only)	\??\I:	LSASS.exe
File opened (read-only)	\??\J:	LSASS.exe
File opened (read-only)	\??\M:	LSASS.exe
File opened (read-only)	\??\Q:	LSASS.exe
File opened (read-only)	\??\R:	LSASS.exe

Drops autorun.inf file 1 TTPs 4 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File created	C:\autorun.inf	LSASS.exe
File opened for modification	C:\autorun.inf	LSASS.exe
File created	F:\autorun.inf	LSASS.exe
File opened for modification	F:\autorun.inf	LSASS.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\LSASS.exe	d98f926f3a2ea1308e2d80705591f91b_JC.exe
File opened for modification	C:\Windows\LSASS.exe	d98f926f3a2ea1308e2d80705591f91b_JC.exe
File opened for modification	C:\Windows\LSASS.exe	LSASS.exe

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

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	d98f926f3a2ea1308e2d80705591f91b_JC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	LSASS.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4128	d98f926f3a2ea1308e2d80705591f91b_JC.exe
4128	d98f926f3a2ea1308e2d80705591f91b_JC.exe
4128	d98f926f3a2ea1308e2d80705591f91b_JC.exe
4128	d98f926f3a2ea1308e2d80705591f91b_JC.exe
4128	d98f926f3a2ea1308e2d80705591f91b_JC.exe
4128	d98f926f3a2ea1308e2d80705591f91b_JC.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
3264	LSASS.exe
3264	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe
4500	LSASS.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 4128 wrote to memory of 4500	4128	d98f926f3a2ea1308e2d80705591f91b_JC.exe	85
PID 4128 wrote to memory of 4500	4128	d98f926f3a2ea1308e2d80705591f91b_JC.exe	85
PID 4128 wrote to memory of 4500	4128	d98f926f3a2ea1308e2d80705591f91b_JC.exe	85
PID 4128 wrote to memory of 4676	4128	d98f926f3a2ea1308e2d80705591f91b_JC.exe	88
PID 4128 wrote to memory of 4676	4128	d98f926f3a2ea1308e2d80705591f91b_JC.exe	88
PID 4128 wrote to memory of 4676	4128	d98f926f3a2ea1308e2d80705591f91b_JC.exe	88
PID 4128 wrote to memory of 2588	4128	d98f926f3a2ea1308e2d80705591f91b_JC.exe	89
PID 4128 wrote to memory of 2588	4128	d98f926f3a2ea1308e2d80705591f91b_JC.exe	89
PID 4128 wrote to memory of 2588	4128	d98f926f3a2ea1308e2d80705591f91b_JC.exe	89
PID 4500 wrote to memory of 508	4500	LSASS.exe	95
PID 4500 wrote to memory of 508	4500	LSASS.exe	95
PID 4500 wrote to memory of 508	4500	LSASS.exe	95
PID 4500 wrote to memory of 5076	4500	LSASS.exe	96
PID 4500 wrote to memory of 5076	4500	LSASS.exe	96
PID 4500 wrote to memory of 5076	4500	LSASS.exe	96
PID 4500 wrote to memory of 3264	4500	LSASS.exe	100
PID 4500 wrote to memory of 3264	4500	LSASS.exe	100
PID 4500 wrote to memory of 3264	4500	LSASS.exe	100
PID 4500 wrote to memory of 3316	4500	LSASS.exe	103
PID 4500 wrote to memory of 3316	4500	LSASS.exe	103
PID 4500 wrote to memory of 3316	4500	LSASS.exe	103
PID 4500 wrote to memory of 4748	4500	LSASS.exe	104
PID 4500 wrote to memory of 4748	4500	LSASS.exe	104
PID 4500 wrote to memory of 4748	4500	LSASS.exe	104
PID 4500 wrote to memory of 1812	4500	LSASS.exe	108
PID 4500 wrote to memory of 1812	4500	LSASS.exe	108
PID 4500 wrote to memory of 1812	4500	LSASS.exe	108
PID 4500 wrote to memory of 4664	4500	LSASS.exe	109
PID 4500 wrote to memory of 4664	4500	LSASS.exe	109
PID 4500 wrote to memory of 4664	4500	LSASS.exe	109
PID 4500 wrote to memory of 1088	4500	LSASS.exe	112
PID 4500 wrote to memory of 1088	4500	LSASS.exe	112
PID 4500 wrote to memory of 1088	4500	LSASS.exe	112
PID 4500 wrote to memory of 3372	4500	LSASS.exe	113
PID 4500 wrote to memory of 3372	4500	LSASS.exe	113
PID 4500 wrote to memory of 3372	4500	LSASS.exe	113

C:\Users\Admin\AppData\Local\Temp\d98f926f3a2ea1308e2d80705591f91b_JC.exe
"C:\Users\Admin\AppData\Local\Temp\d98f926f3a2ea1308e2d80705591f91b_JC.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4128
- C:\Windows\LSASS.exe
  "C:\Windows\LSASS.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Enumerates connected drives
  - Drops autorun.inf file
  - Drops file in Windows directory
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4500
- - C:\Windows\SysWOW64\REG.exe
    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
    3⤵
    - Adds Run key to start application
    PID:508
- - C:\Windows\SysWOW64\REG.exe
    REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
    3⤵
    - Adds Run key to start application
    PID:5076
- - C:\Users\Admin\LSASS.exe
    "C:\Users\Admin\LSASS.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    PID:3264
- - C:\Windows\SysWOW64\REG.exe
    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
    3⤵
    - Adds Run key to start application
    PID:3316
- - C:\Windows\SysWOW64\REG.exe
    REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
    3⤵
    - Adds Run key to start application
    PID:4748
- - C:\Windows\SysWOW64\REG.exe
    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
    3⤵
    - Adds Run key to start application
    PID:1812
- - C:\Windows\SysWOW64\REG.exe
    REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
    3⤵
    - Adds Run key to start application
    PID:4664
- - C:\Windows\SysWOW64\REG.exe
    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
    3⤵
    - Adds Run key to start application
    PID:1088
- - C:\Windows\SysWOW64\REG.exe
    REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
    3⤵
    - Adds Run key to start application
    PID:3372
- C:\Windows\SysWOW64\REG.exe
  REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\d98f926f3a2ea1308e2d80705591f91b_JC.exe" /f
  2⤵
  - Adds Run key to start application
  PID:4676
- C:\Windows\SysWOW64\REG.exe
  REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\d98f926f3a2ea1308e2d80705591f91b_JC.exe" /f
  2⤵
  - Adds Run key to start application
  PID:2588

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

T1091

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Replication Through Removable Media

T1091

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\LSASS.exe

Filesize
472KB

MD5
94c6d31a09841138ce95cbf404f28f36

SHA1
12c248e012e574ad151cbbea438a073becf80f2f

SHA256
b8562efd9ab474112890497913f02a36da21ad329ed5cf3b835411980c61cd86

SHA512
0baf64a0e8489244e1c2cb7ec5442b02ed3226899ba75e64cb57bf54ce21ddab1ba144a5f2cacae9544ffced8838356adc423f21a7ae2c051fa27955edbdc35a

Download Submit
C:\Users\Admin\LSASS.exe

Filesize
472KB

MD5
94c6d31a09841138ce95cbf404f28f36

SHA1
12c248e012e574ad151cbbea438a073becf80f2f

SHA256
b8562efd9ab474112890497913f02a36da21ad329ed5cf3b835411980c61cd86

SHA512
0baf64a0e8489244e1c2cb7ec5442b02ed3226899ba75e64cb57bf54ce21ddab1ba144a5f2cacae9544ffced8838356adc423f21a7ae2c051fa27955edbdc35a

Download Submit
C:\Windows\LSASS.exe

Filesize
472KB

MD5
08bdb6cea15305e815f24cf67a31cac5

SHA1
85d10d5621c909f04882f73a2edc6d861cb531d7

SHA256
bae136df4d8ff9efdf4ce02dbc16e861c2bfb7c6e9118ba5d7a03ec51a3f0f0a

SHA512
c697c268a1875fc530cd9a3b453f05d5551c049d91bda1d49626650c496520d31e647a4fb3eb7327b8a215c3e19591cab6d223ef8c13c170b0b061d632b706b9

Download Submit
C:\Windows\LSASS.exe

Filesize
472KB

MD5
08bdb6cea15305e815f24cf67a31cac5

SHA1
85d10d5621c909f04882f73a2edc6d861cb531d7

SHA256
bae136df4d8ff9efdf4ce02dbc16e861c2bfb7c6e9118ba5d7a03ec51a3f0f0a

SHA512
c697c268a1875fc530cd9a3b453f05d5551c049d91bda1d49626650c496520d31e647a4fb3eb7327b8a215c3e19591cab6d223ef8c13c170b0b061d632b706b9

Download Submit
C:\Windows\LSASS.exe

Filesize
472KB

MD5
08bdb6cea15305e815f24cf67a31cac5

SHA1
85d10d5621c909f04882f73a2edc6d861cb531d7

SHA256
bae136df4d8ff9efdf4ce02dbc16e861c2bfb7c6e9118ba5d7a03ec51a3f0f0a

SHA512
c697c268a1875fc530cd9a3b453f05d5551c049d91bda1d49626650c496520d31e647a4fb3eb7327b8a215c3e19591cab6d223ef8c13c170b0b061d632b706b9

Download Submit
memory/3264-108-0x0000000001570000-0x0000000001571000-memory.dmp

Filesize
4KB

Download
memory/3264-109-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/4128-0-0x0000000001570000-0x0000000001571000-memory.dmp

Filesize
4KB

Download
memory/4128-35-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/4500-129-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/4500-215-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/4500-34-0x00000000041D0000-0x00000000041D1000-memory.dmp

Filesize
4KB

Download
memory/4500-146-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/4500-163-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/4500-180-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/4500-198-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/4500-110-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/4500-236-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/4500-257-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/4500-274-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/4500-291-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/4500-308-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/4500-329-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/4500-346-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download