d4d2817290a20db2bae4a56de8466e996c61d0e556bbf9fc4a03f5f475490f82

General

Target

0bfcf1d549c88394167793e4c1863c3f_JaffaCakes118.exe
Size

1.1MB
MD5

0bfcf1d549c88394167793e4c1863c3f
SHA1

1c1cbf553638819022ac01b95d8c949dec31def0
SHA256

d4d2817290a20db2bae4a56de8466e996c61d0e556bbf9fc4a03f5f475490f82
SHA512

2c9a7a3828ab2ded23a1774637964323831bd86c5c6c1a3037266f293158611f3c45975d6cf867f3e789e59ecc8ec851643f1f48859951a165df10a53f141e39
SSDEEP

12288:rbpHYUKy5U1bo9t8DMRSW9vbciUiLuAvOxMt11i27Qitjpg1:r5sJo6YrFUiyAak11Ltjpg1

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2760	svchest000.exe

Adds Run key to start application 2 TTPs 1 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\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0bfcf1d549c88394167793e4c1863c3f_JaffaCakes118.exe"	0bfcf1d549c88394167793e4c1863c3f_JaffaCakes118.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2188	0bfcf1d549c88394167793e4c1863c3f_JaffaCakes118.exe
2760	svchest000.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2188-0-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/memory/2188-1-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/files/0x000800000001660e-7.dat	upx
behavioral1/memory/2760-10-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/memory/2760-11-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/memory/2760-14-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/memory/2188-15-0x0000000000400000-0x0000000000597000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Windows\svchest000.exe	0bfcf1d549c88394167793e4c1863c3f_JaffaCakes118.exe
File opened for modification	\??\c:\Windows\BJ.exe	0bfcf1d549c88394167793e4c1863c3f_JaffaCakes118.exe
File created	\??\c:\Windows\BJ.exe	0bfcf1d549c88394167793e4c1863c3f_JaffaCakes118.exe
File created	\??\c:\Windows\svchest000.exe	0bfcf1d549c88394167793e4c1863c3f_JaffaCakes118.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	0bfcf1d549c88394167793e4c1863c3f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchest000.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 2760	2188	0bfcf1d549c88394167793e4c1863c3f_JaffaCakes118.exe	30
PID 2188 wrote to memory of 2760	2188	0bfcf1d549c88394167793e4c1863c3f_JaffaCakes118.exe	30
PID 2188 wrote to memory of 2760	2188	0bfcf1d549c88394167793e4c1863c3f_JaffaCakes118.exe	30
PID 2188 wrote to memory of 2760	2188	0bfcf1d549c88394167793e4c1863c3f_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\0bfcf1d549c88394167793e4c1863c3f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0bfcf1d549c88394167793e4c1863c3f_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2188
- \??\c:\Windows\svchest000.exe
  c:\Windows\svchest000.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  PID:2760

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:\Windows\svchest000.exe

Filesize
1.1MB

MD5
0bfcf1d549c88394167793e4c1863c3f

SHA1
1c1cbf553638819022ac01b95d8c949dec31def0

SHA256
d4d2817290a20db2bae4a56de8466e996c61d0e556bbf9fc4a03f5f475490f82

SHA512
2c9a7a3828ab2ded23a1774637964323831bd86c5c6c1a3037266f293158611f3c45975d6cf867f3e789e59ecc8ec851643f1f48859951a165df10a53f141e39

Download Submit
memory/2188-0-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/2188-1-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/2188-9-0x0000000002780000-0x0000000002917000-memory.dmp

Filesize
1.6MB

Download
memory/2188-15-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/2760-10-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/2760-11-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/2760-14-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads