f7892bdcfc44856ee0e3cb60de534cc7512f6115ad5dc06e82b27ad607bb2075

General

Target

f7892bdcfc44856ee0e3cb60de534cc7512f6115ad5dc06e82b27ad607bb2075.exe
Size

122KB
MD5

06711ee20e10d36f3f7fd2576a5029c1
SHA1

013640b096ed1bbcfb4fba11b4a14a02daef96df
SHA256

f7892bdcfc44856ee0e3cb60de534cc7512f6115ad5dc06e82b27ad607bb2075
SHA512

5d061a8cf7b0cfebc91d2808252e18cdcdda465be47bf5de721858ba22649f191b8fa48913fd55d271867132102723199f25b8e34c141f402f68df0dcb06d8e3
SSDEEP

1536:FYJ0+x5ErOZLfiw+KgAO5UC+MrOSMlvm2rQ/Uu9YnFHU/uWpYpwMhW7:FgDiwyAO5XAvmN8upWRPhW

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4924	svchost.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
1696	netsh.exe

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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	f7892bdcfc44856ee0e3cb60de534cc7512f6115ad5dc06e82b27ad607bb2075.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ba4c12bee3027d94da5c81db2d196bfd.exe	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ba4c12bee3027d94da5c81db2d196bfd.exe	svchost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ba4c12bee3027d94da5c81db2d196bfd = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ba4c12bee3027d94da5c81db2d196bfd = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .."	svchost.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 25 IoCs

pid	Process
4924	svchost.exe
4924	svchost.exe
4924	svchost.exe
4924	svchost.exe
4924	svchost.exe
4924	svchost.exe
4924	svchost.exe
4924	svchost.exe
4924	svchost.exe
4924	svchost.exe
4924	svchost.exe
4924	svchost.exe
4924	svchost.exe
4924	svchost.exe
4924	svchost.exe
4924	svchost.exe
4924	svchost.exe
4924	svchost.exe
4924	svchost.exe
4924	svchost.exe
4924	svchost.exe
4924	svchost.exe
4924	svchost.exe
4924	svchost.exe
4924	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4268	f7892bdcfc44856ee0e3cb60de534cc7512f6115ad5dc06e82b27ad607bb2075.exe
Token: SeDebugPrivilege	4924	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4268 wrote to memory of 4924	4268	f7892bdcfc44856ee0e3cb60de534cc7512f6115ad5dc06e82b27ad607bb2075.exe	79
PID 4268 wrote to memory of 4924	4268	f7892bdcfc44856ee0e3cb60de534cc7512f6115ad5dc06e82b27ad607bb2075.exe	79
PID 4268 wrote to memory of 4924	4268	f7892bdcfc44856ee0e3cb60de534cc7512f6115ad5dc06e82b27ad607bb2075.exe	79
PID 4924 wrote to memory of 1696	4924	svchost.exe	80
PID 4924 wrote to memory of 1696	4924	svchost.exe	80
PID 4924 wrote to memory of 1696	4924	svchost.exe	80

C:\Users\Admin\AppData\Local\Temp\f7892bdcfc44856ee0e3cb60de534cc7512f6115ad5dc06e82b27ad607bb2075.exe
"C:\Users\Admin\AppData\Local\Temp\f7892bdcfc44856ee0e3cb60de534cc7512f6115ad5dc06e82b27ad607bb2075.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4268
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4924
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "svchost.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:1696

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
122KB

MD5
06711ee20e10d36f3f7fd2576a5029c1

SHA1
013640b096ed1bbcfb4fba11b4a14a02daef96df

SHA256
f7892bdcfc44856ee0e3cb60de534cc7512f6115ad5dc06e82b27ad607bb2075

SHA512
5d061a8cf7b0cfebc91d2808252e18cdcdda465be47bf5de721858ba22649f191b8fa48913fd55d271867132102723199f25b8e34c141f402f68df0dcb06d8e3

Download Submit
C:\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
122KB

MD5
06711ee20e10d36f3f7fd2576a5029c1

SHA1
013640b096ed1bbcfb4fba11b4a14a02daef96df

SHA256
f7892bdcfc44856ee0e3cb60de534cc7512f6115ad5dc06e82b27ad607bb2075

SHA512
5d061a8cf7b0cfebc91d2808252e18cdcdda465be47bf5de721858ba22649f191b8fa48913fd55d271867132102723199f25b8e34c141f402f68df0dcb06d8e3

Download Submit
memory/4268-132-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download
memory/4268-136-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download
memory/4924-138-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download
memory/4924-139-0x00000000750D0000-0x0000000075681000-memory.dmp

Filesize
5.7MB

Download

Analysis

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