36c60f479d584f8d83e15203986dd14653e214be0c68d33e6ddfa6ad3cbd1157

General

Target

d9647807efd2fbdecfc3c164587fa401_JaffaCakes118.exe
Size

360KB
MD5

d9647807efd2fbdecfc3c164587fa401
SHA1

5039e959189cc5157e3eee400f50c06b9e0e59d8
SHA256

36c60f479d584f8d83e15203986dd14653e214be0c68d33e6ddfa6ad3cbd1157
SHA512

1252b5747fbaa28c7b9dfe2e8a237c4737ababd5c4a0f36818e47a222b9aad9ad0a62bb96869f9de22cff6b44901130361fc66421ede8059258972d13cf29724
SSDEEP

6144:179fwBzJ9IT+jHRwWsc3EEqkv2OOqsJMBmPd:1Bw9J0+j6WRA0VOqsUsd

Score

5^/10

discovery

Malware Config

Signatures

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	iowasystem.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 4 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	d9647807efd2fbdecfc3c164587fa401_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d9647807efd2fbdecfc3c164587fa401_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iowasystem.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iowasystem.exe

Modifies data under HKEY_USERS 19 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E9142D03-0038-4CDA-B336-80AD49D20057}\WpadDecisionReason = "1"	iowasystem.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E9142D03-0038-4CDA-B336-80AD49D20057}\WpadDecisionTime = 80218a8eec03db01	iowasystem.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\46-70-35-03-fb-6c\WpadDecision = "0"	iowasystem.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	iowasystem.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	iowasystem.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	iowasystem.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	iowasystem.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	iowasystem.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\46-70-35-03-fb-6c\WpadDetectedUrl	iowasystem.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	iowasystem.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E9142D03-0038-4CDA-B336-80AD49D20057}	iowasystem.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\46-70-35-03-fb-6c	iowasystem.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E9142D03-0038-4CDA-B336-80AD49D20057}\46-70-35-03-fb-6c	iowasystem.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\46-70-35-03-fb-6c\WpadDecisionReason = "1"	iowasystem.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\46-70-35-03-fb-6c\WpadDecisionTime = 80218a8eec03db01	iowasystem.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	iowasystem.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f012e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	iowasystem.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E9142D03-0038-4CDA-B336-80AD49D20057}\WpadDecision = "0"	iowasystem.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E9142D03-0038-4CDA-B336-80AD49D20057}\WpadNetworkName = "Network 3"	iowasystem.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2540	d9647807efd2fbdecfc3c164587fa401_JaffaCakes118.exe
1644	d9647807efd2fbdecfc3c164587fa401_JaffaCakes118.exe
2820	iowasystem.exe
2880	iowasystem.exe
2880	iowasystem.exe
2880	iowasystem.exe
2880	iowasystem.exe
2880	iowasystem.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1644	d9647807efd2fbdecfc3c164587fa401_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 1644	2540	d9647807efd2fbdecfc3c164587fa401_JaffaCakes118.exe	29
PID 2540 wrote to memory of 1644	2540	d9647807efd2fbdecfc3c164587fa401_JaffaCakes118.exe	29
PID 2540 wrote to memory of 1644	2540	d9647807efd2fbdecfc3c164587fa401_JaffaCakes118.exe	29
PID 2540 wrote to memory of 1644	2540	d9647807efd2fbdecfc3c164587fa401_JaffaCakes118.exe	29
PID 2820 wrote to memory of 2880	2820	iowasystem.exe	31
PID 2820 wrote to memory of 2880	2820	iowasystem.exe	31
PID 2820 wrote to memory of 2880	2820	iowasystem.exe	31
PID 2820 wrote to memory of 2880	2820	iowasystem.exe	31

C:\Users\Admin\AppData\Local\Temp\d9647807efd2fbdecfc3c164587fa401_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d9647807efd2fbdecfc3c164587fa401_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2540
- C:\Users\Admin\AppData\Local\Temp\d9647807efd2fbdecfc3c164587fa401_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d9647807efd2fbdecfc3c164587fa401_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  PID:1644

C:\Windows\SysWOW64\iowasystem.exe
"C:\Windows\SysWOW64\iowasystem.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2820
- C:\Windows\SysWOW64\iowasystem.exe
  "C:\Windows\SysWOW64\iowasystem.exe"
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  PID:2880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

memory/1644-7-0x00000000004A0000-0x00000000004B7000-memory.dmp

Filesize
92KB

Download
memory/1644-28-0x0000000000480000-0x0000000000497000-memory.dmp

Filesize
92KB

Download
memory/1644-27-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/1644-11-0x00000000004A0000-0x00000000004B7000-memory.dmp

Filesize
92KB

Download
memory/1644-13-0x00000000003D0000-0x00000000003E0000-memory.dmp

Filesize
64KB

Download
memory/1644-12-0x0000000000480000-0x0000000000497000-memory.dmp

Filesize
92KB

Download
memory/2540-0-0x0000000001DE0000-0x0000000001DF7000-memory.dmp

Filesize
92KB

Download
memory/2540-6-0x00000000003E0000-0x00000000003F0000-memory.dmp

Filesize
64KB

Download
memory/2540-4-0x0000000001DE0000-0x0000000001DF7000-memory.dmp

Filesize
92KB

Download
memory/2540-5-0x00000000008B0000-0x00000000008C7000-memory.dmp

Filesize
92KB

Download
memory/2820-18-0x0000000000520000-0x0000000000537000-memory.dmp

Filesize
92KB

Download
memory/2820-20-0x0000000000250000-0x0000000000260000-memory.dmp

Filesize
64KB

Download
memory/2820-19-0x00000000003E0000-0x00000000003F7000-memory.dmp

Filesize
92KB

Download
memory/2820-14-0x0000000000520000-0x0000000000537000-memory.dmp

Filesize
92KB

Download
memory/2820-26-0x00000000003E0000-0x00000000003F7000-memory.dmp

Filesize
92KB

Download

Analysis

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