6a31ddc622f468f28fb5444b138703eef159c3ac7f50d2b890a043abb7a0a227

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13/10/2024, 04:47

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General

Target

3de0e6bfc570cbc642a0fee4eabaf9e6_JaffaCakes118.exe
Size

61KB
MD5

3de0e6bfc570cbc642a0fee4eabaf9e6
SHA1

478430904c3c74a610bc2f0a9764cfee7232a8fe
SHA256

6a31ddc622f468f28fb5444b138703eef159c3ac7f50d2b890a043abb7a0a227
SHA512

a0d8122fde10c9e21d9a773040329d29e9c1de68ea40c6c392205e5c1791bc793e971d73b775d37230667fa88b2607b7912b50c599749c6d234b7a9448c72078
SSDEEP

768:6cTPet5SQ/zOCjpLYL3C9JKT9OZ7Vo3LrryyJN5ScQvGciYP:yHLC3qs9OxV7C5g+IP

Score

7^/10

defense_evasion discovery 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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	instsp2.exe

Executes dropped EXE 1 IoCs

pid	Process
4988	instsp2.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000c000000023ba4-2.dat	upx
behavioral2/memory/4988-3-0x00000000003E0000-0x000000000040C000-memory.dmp	upx
behavioral2/memory/4988-6-0x00000000003E0000-0x000000000040C000-memory.dmp	upx

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\instsp2.exe	3de0e6bfc570cbc642a0fee4eabaf9e6_JaffaCakes118.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3de0e6bfc570cbc642a0fee4eabaf9e6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	instsp2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3904	3de0e6bfc570cbc642a0fee4eabaf9e6_JaffaCakes118.exe
3904	3de0e6bfc570cbc642a0fee4eabaf9e6_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4988	instsp2.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3904 wrote to memory of 4988	3904	3de0e6bfc570cbc642a0fee4eabaf9e6_JaffaCakes118.exe	83
PID 3904 wrote to memory of 4988	3904	3de0e6bfc570cbc642a0fee4eabaf9e6_JaffaCakes118.exe	83
PID 3904 wrote to memory of 4988	3904	3de0e6bfc570cbc642a0fee4eabaf9e6_JaffaCakes118.exe	83
PID 4988 wrote to memory of 3560	4988	instsp2.exe	87
PID 4988 wrote to memory of 3560	4988	instsp2.exe	87
PID 4988 wrote to memory of 3560	4988	instsp2.exe	87

C:\Users\Admin\AppData\Local\Temp\3de0e6bfc570cbc642a0fee4eabaf9e6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3de0e6bfc570cbc642a0fee4eabaf9e6_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3904
- C:\Windows\instsp2.exe
  C:\Windows\instsp2.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4988
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del C:\Windows\instsp2.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3560

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\instsp2.exe

Filesize
9KB

MD5
21feb3263c9757a9c71ef036e2054021

SHA1
97b8fe92b86cea54f9fd86cc30fe290b3c9fe39f

SHA256
700d53f76399213fdfccd5650ef238593583380317fcb2344a95b7282eab4d39

SHA512
c30e44065f71af39ee1bb5e5b2e5be2fc9339e4c4611ec70564003d9b97e7ebd5825f5ed555c124cee31e753ed973ff8bf44818cfdbd936ab4ba6db88a13e47c

Download Submit
memory/4988-3-0x00000000003E0000-0x000000000040C000-memory.dmp

Filesize
176KB

Download
memory/4988-6-0x00000000003E0000-0x000000000040C000-memory.dmp

Filesize
176KB

Download