88f5ddc7e1a0b988ba8736d06f40bca786396b1b39772d68cb759dff8035d1cd

General

Target

759b1943cafda763c61255b3e6a4403c_JaffaCakes118.exe
Size

881KB
MD5

759b1943cafda763c61255b3e6a4403c
SHA1

8eb8b3ac49c22ebdb00415da5192b3242dc147b1
SHA256

88f5ddc7e1a0b988ba8736d06f40bca786396b1b39772d68cb759dff8035d1cd
SHA512

f04f2a4cc3b81b83576e6dc7a6aac16617788f32ce504e2a6d2e48a341190de5f3b80f0820cfa827fd24fd4a3ab85a0b42848cd4dd9c0e68f087f2a8a817b507
SSDEEP

12288:2Cqeu/drYYFtkTI9IT8HHofxMEF/BQ0vUOEar++batPyY8HG+ZjPkb4qB:2CXucTIuQHaPPbAy9Hxq4a

Score

7^/10

aspackv2 discovery persistence

Malware Config

Signatures

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x00070000000234cc-11.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
4236	20240727084538860~YingInstall-ProvideForInstall.exe

Loads dropped DLL 1 IoCs

pid	Process
4236	20240727084538860~YingInstall-ProvideForInstall.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\x3 = " "	20240727084538860~YingInstall-ProvideForInstall.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\x3 = "c:\\windows\\system32\\shellext\\svchost.exe"	20240727084538860~YingInstall-ProvideForInstall.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\SysWOW64\shellext\svchost.exe	20240727084538860~YingInstall-ProvideForInstall.exe
File created	\??\c:\windows\SysWOW64\shellext\svchost.exe	20240727084538860~YingInstall-ProvideForInstall.exe
File created	C:\Windows\SysWOW64\xiaoxiao_sls.sls	20240727084538860~YingInstall-ProvideForInstall.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	759b1943cafda763c61255b3e6a4403c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	20240727084538860~YingInstall-ProvideForInstall.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4236	20240727084538860~YingInstall-ProvideForInstall.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4236	20240727084538860~YingInstall-ProvideForInstall.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
816	759b1943cafda763c61255b3e6a4403c_JaffaCakes118.exe
816	759b1943cafda763c61255b3e6a4403c_JaffaCakes118.exe
4236	20240727084538860~YingInstall-ProvideForInstall.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 816 wrote to memory of 4236	816	759b1943cafda763c61255b3e6a4403c_JaffaCakes118.exe	92
PID 816 wrote to memory of 4236	816	759b1943cafda763c61255b3e6a4403c_JaffaCakes118.exe	92
PID 816 wrote to memory of 4236	816	759b1943cafda763c61255b3e6a4403c_JaffaCakes118.exe	92

C:\Users\Admin\AppData\Local\Temp\759b1943cafda763c61255b3e6a4403c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\759b1943cafda763c61255b3e6a4403c_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:816
- C:\Users\Admin\AppData\Local\Temp\20240727084538860~YingInstall-ProvideForInstall.exe
  C:\Users\Admin\AppData\Local\Temp\20240727084538860~YingInstall-ProvideForInstall.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4236

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\20240727084538860~YingInstall-ProvideForInstall.exe

Filesize
45KB

MD5
580aec38df70fb733af9befb20498539

SHA1
39e97119b75a96e2d6116df9b66f095ad0d4abc6

SHA256
02ad9b81ab4574edf13de69b3c67c3693f98daad745bc99cc913e1051afc7426

SHA512
bd285a2a17678468be50cc1dbe357c7f0d508c8ca317ddd632a8b27d6fa4f7a8cf733e9c48cf131b2fac03cc8f8eefe5038cf5a808862e4965e7ae171b3a11e2

Download Submit
C:\Windows\SysWOW64\xiaoxiao_sls.sls

Filesize
188KB

MD5
a1037fb16214f254e0b4608bc4e7a206

SHA1
58a79d76bfce65565ceb148e7bbbbc65800d5783

SHA256
4185941c14e08a96f7150b5c617e574bc9d3002975b3ea591be6f2586d7935bc

SHA512
8e65c2acc7735843ae01a431ad74c684f3047719adae1e60faf9503134d416e1c529e708a5417530a9452ee5221632a94af248bfb95777969f54192ee9f549b3

Download Submit
memory/4236-61-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/4236-59-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/4236-18-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/4236-16-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/4236-14-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/4236-64-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/4236-63-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/4236-62-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/4236-30-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/4236-13-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/4236-60-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/4236-24-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/4236-58-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/4236-57-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/4236-56-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/4236-55-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/4236-54-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/4236-53-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/4236-51-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/4236-52-0x00000000009F0000-0x00000000009F1000-memory.dmp

Filesize
4KB

Download
memory/4236-68-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads