c7e2727f98b868dad9cc7de6d9c378d27fd3a29eea6589739d36e7309773241f

General

Target

c7e2727f98b868dad9cc7de6d9c378d27fd3a29eea6589739d36e7309773241f.exe
Size

320KB
MD5

9d85837c19f17bb41eb39aaa6c608b74
SHA1

e5dfb98dde09cf621cdeb96c491e5f23510ee37a
SHA256

c7e2727f98b868dad9cc7de6d9c378d27fd3a29eea6589739d36e7309773241f
SHA512

43e6f3e48cd0fee2f996a84adc0235a8ac5a9cdc5a969d2a21a9c859b402469d8a72aa5216d122e2c2df7d7c38903ce8177c1fc47a1851183e5c65352829944e

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

kernelsystmgr.exe

pid process

840 kernelsystmgr.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

1468 cmd.exe

pid	process
840	kernelsystmgr.exe

pid	process
1468	cmd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

kernelsystmgr.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\systemkernel = "C:\\Users\\Admin\\AppData\\Local\\kernelsystmgr.exe"	kernelsystmgr.exe

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 2 IoCs

Processes:

c7e2727f98b868dad9cc7de6d9c378d27fd3a29eea6589739d36e7309773241f.exekernelsystmgr.exe

description	pid	process
Token: SeDebugPrivilege	1308	c7e2727f98b868dad9cc7de6d9c378d27fd3a29eea6589739d36e7309773241f.exe
Token: SeDebugPrivilege	840	kernelsystmgr.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

c7e2727f98b868dad9cc7de6d9c378d27fd3a29eea6589739d36e7309773241f.execmd.exekernelsystmgr.exe

description	pid	process	target process
PID 1308 wrote to memory of 1568	1308	c7e2727f98b868dad9cc7de6d9c378d27fd3a29eea6589739d36e7309773241f.exe	cmd.exe
PID 1308 wrote to memory of 1568	1308	c7e2727f98b868dad9cc7de6d9c378d27fd3a29eea6589739d36e7309773241f.exe	cmd.exe
PID 1308 wrote to memory of 1568	1308	c7e2727f98b868dad9cc7de6d9c378d27fd3a29eea6589739d36e7309773241f.exe	cmd.exe
PID 1308 wrote to memory of 1568	1308	c7e2727f98b868dad9cc7de6d9c378d27fd3a29eea6589739d36e7309773241f.exe	cmd.exe
PID 1308 wrote to memory of 1468	1308	c7e2727f98b868dad9cc7de6d9c378d27fd3a29eea6589739d36e7309773241f.exe	cmd.exe
PID 1308 wrote to memory of 1468	1308	c7e2727f98b868dad9cc7de6d9c378d27fd3a29eea6589739d36e7309773241f.exe	cmd.exe
PID 1308 wrote to memory of 1468	1308	c7e2727f98b868dad9cc7de6d9c378d27fd3a29eea6589739d36e7309773241f.exe	cmd.exe
PID 1308 wrote to memory of 1468	1308	c7e2727f98b868dad9cc7de6d9c378d27fd3a29eea6589739d36e7309773241f.exe	cmd.exe
PID 1468 wrote to memory of 840	1468	cmd.exe	kernelsystmgr.exe
PID 1468 wrote to memory of 840	1468	cmd.exe	kernelsystmgr.exe
PID 1468 wrote to memory of 840	1468	cmd.exe	kernelsystmgr.exe
PID 1468 wrote to memory of 840	1468	cmd.exe	kernelsystmgr.exe
PID 840 wrote to memory of 1208	840	kernelsystmgr.exe	kernelsystmgr.exe
PID 840 wrote to memory of 1208	840	kernelsystmgr.exe	kernelsystmgr.exe
PID 840 wrote to memory of 1208	840	kernelsystmgr.exe	kernelsystmgr.exe
PID 840 wrote to memory of 1208	840	kernelsystmgr.exe	kernelsystmgr.exe
PID 840 wrote to memory of 1208	840	kernelsystmgr.exe	kernelsystmgr.exe
PID 840 wrote to memory of 1208	840	kernelsystmgr.exe	kernelsystmgr.exe
PID 840 wrote to memory of 1208	840	kernelsystmgr.exe	kernelsystmgr.exe
PID 840 wrote to memory of 1208	840	kernelsystmgr.exe	kernelsystmgr.exe

C:\Users\Admin\AppData\Local\Temp\c7e2727f98b868dad9cc7de6d9c378d27fd3a29eea6589739d36e7309773241f.exe
"C:\Users\Admin\AppData\Local\Temp\c7e2727f98b868dad9cc7de6d9c378d27fd3a29eea6589739d36e7309773241f.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1308
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\c7e2727f98b868dad9cc7de6d9c378d27fd3a29eea6589739d36e7309773241f.exe" "C:\Users\Admin\AppData\Local\kernelsystmgr.exe"
  2⤵
  PID:1568
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\AppData\Local\kernelsystmgr.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1468
- - C:\Users\Admin\AppData\Local\kernelsystmgr.exe
    "C:\Users\Admin\AppData\Local\kernelsystmgr.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:840
  - - C:\Users\Admin\AppData\Local\kernelsystmgr.exe
      "C:\Users\Admin\AppData\Local\kernelsystmgr.exe"
      4⤵
      PID:1208

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\kernelsystmgr.exe

Filesize
320KB

MD5
9d85837c19f17bb41eb39aaa6c608b74

SHA1
e5dfb98dde09cf621cdeb96c491e5f23510ee37a

SHA256
c7e2727f98b868dad9cc7de6d9c378d27fd3a29eea6589739d36e7309773241f

SHA512
43e6f3e48cd0fee2f996a84adc0235a8ac5a9cdc5a969d2a21a9c859b402469d8a72aa5216d122e2c2df7d7c38903ce8177c1fc47a1851183e5c65352829944e

Download Submit
C:\Users\Admin\AppData\Local\kernelsystmgr.exe

Filesize
320KB

MD5
9d85837c19f17bb41eb39aaa6c608b74

SHA1
e5dfb98dde09cf621cdeb96c491e5f23510ee37a

SHA256
c7e2727f98b868dad9cc7de6d9c378d27fd3a29eea6589739d36e7309773241f

SHA512
43e6f3e48cd0fee2f996a84adc0235a8ac5a9cdc5a969d2a21a9c859b402469d8a72aa5216d122e2c2df7d7c38903ce8177c1fc47a1851183e5c65352829944e

Download Submit
\Users\Admin\AppData\Local\kernelsystmgr.exe

Filesize
320KB

MD5
9d85837c19f17bb41eb39aaa6c608b74

SHA1
e5dfb98dde09cf621cdeb96c491e5f23510ee37a

SHA256
c7e2727f98b868dad9cc7de6d9c378d27fd3a29eea6589739d36e7309773241f

SHA512
43e6f3e48cd0fee2f996a84adc0235a8ac5a9cdc5a969d2a21a9c859b402469d8a72aa5216d122e2c2df7d7c38903ce8177c1fc47a1851183e5c65352829944e

Download Submit
memory/840-63-0x0000000000DC0000-0x0000000000E16000-memory.dmp

Filesize
344KB

Download
memory/840-61-0x0000000000000000-mapping.dmp

Download
memory/1208-65-0x0000000000400000-0x00000000004A2000-memory.dmp

Filesize
648KB

Download
memory/1208-66-0x0000000000400000-0x00000000004A2000-memory.dmp

Filesize
648KB

Download
memory/1208-68-0x0000000000400000-0x00000000004A2000-memory.dmp

Filesize
648KB

Download
memory/1208-70-0x0000000000400000-0x00000000004A2000-memory.dmp

Filesize
648KB

Download
memory/1308-56-0x0000000075261000-0x0000000075263000-memory.dmp

Filesize
8KB

Download
memory/1308-55-0x0000000000570000-0x000000000058A000-memory.dmp

Filesize
104KB

Download
memory/1308-54-0x0000000000D80000-0x0000000000DD6000-memory.dmp

Filesize
344KB

Download
memory/1468-58-0x0000000000000000-mapping.dmp

Download
memory/1568-57-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads