1d5e03f1b4e611aaf48c5a707ce7dadccff0675fc0483275ca671e75c393eb6a

General

Target

c1fae01e191997d8300bc7fa8db01d7e_JaffaCakes118.exe
Size

376KB
MD5

c1fae01e191997d8300bc7fa8db01d7e
SHA1

f123a3b4805446e83c0644268cdd0b97b1e9e648
SHA256

1d5e03f1b4e611aaf48c5a707ce7dadccff0675fc0483275ca671e75c393eb6a
SHA512

3a3f40a03a8142d0a4120040f5a72e8ad35d663bebb49bce30ed564461be81db56b1c51c59ee74e8246d9e819dd2f4f9342088f356198a28edd24115926cd135
SSDEEP

6144:aC97DopIg+X6uAX+sBbd286cjiZ5SmN8TlvhQo/CXHdBgjXE:agApJOsUbcsImGpyRX9mE

Score

7^/10

aspackv2 discovery

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/0x00080000000234cf-5.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
836	server.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\HgzServer\server.exe	c1fae01e191997d8300bc7fa8db01d7e_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\HgzServer\server.exe	c1fae01e191997d8300bc7fa8db01d7e_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\uninstal.bat	c1fae01e191997d8300bc7fa8db01d7e_JaffaCakes118.exe

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c1fae01e191997d8300bc7fa8db01d7e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	server.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	server.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	server.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	server.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	server.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4956	c1fae01e191997d8300bc7fa8db01d7e_JaffaCakes118.exe
Token: SeDebugPrivilege	836	server.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
836	server.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 836 wrote to memory of 1544	836	server.exe	88
PID 836 wrote to memory of 1544	836	server.exe	88
PID 4956 wrote to memory of 640	4956	c1fae01e191997d8300bc7fa8db01d7e_JaffaCakes118.exe	89
PID 4956 wrote to memory of 640	4956	c1fae01e191997d8300bc7fa8db01d7e_JaffaCakes118.exe	89
PID 4956 wrote to memory of 640	4956	c1fae01e191997d8300bc7fa8db01d7e_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\c1fae01e191997d8300bc7fa8db01d7e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c1fae01e191997d8300bc7fa8db01d7e_JaffaCakes118.exe"
1⤵
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4956
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\uninstal.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:640

C:\Program Files (x86)\HgzServer\server.exe
"C:\Program Files (x86)\HgzServer\server.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:836
- C:\Program Files\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
  2⤵
  PID:1544

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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:\Program Files (x86)\HgzServer\server.exe

Filesize
376KB

MD5
c1fae01e191997d8300bc7fa8db01d7e

SHA1
f123a3b4805446e83c0644268cdd0b97b1e9e648

SHA256
1d5e03f1b4e611aaf48c5a707ce7dadccff0675fc0483275ca671e75c393eb6a

SHA512
3a3f40a03a8142d0a4120040f5a72e8ad35d663bebb49bce30ed564461be81db56b1c51c59ee74e8246d9e819dd2f4f9342088f356198a28edd24115926cd135

Download Submit
C:\Windows\uninstal.bat

Filesize
218B

MD5
03e7f49c4c6ae27d2f83856d8f5b422d

SHA1
b15cbc0155f2992a162b15df2830870034a276c8

SHA256
3f50f291dddada6ae402c510bb2db1e4c9c4998179a0ba6ad427cef652658b27

SHA512
ad6fc8a6ef7d2a9141ecdceefc75a3985beec852c414f27aed0e7a62773f9073daf630dcf47c888933a0e8d70249e7c5b3655ca874ec040ed594d7b929da4672

Download Submit
memory/836-7-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/836-13-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/836-14-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/836-18-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/4956-0-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/4956-1-0x00000000004C2000-0x00000000004C3000-memory.dmp

Filesize
4KB

Download
memory/4956-2-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/4956-11-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download

Analysis

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