da20c00b996d90ba1791f0247b643f9a907f0e85358421cf5496e94a905f983b

General

Target

f66da4dac9a5e3aff3f777436eaa51b0_JaffaCakes118.exe
Size

24KB
MD5

f66da4dac9a5e3aff3f777436eaa51b0
SHA1

d6c086899e9fd10688fe70e2f84b591775f6bc32
SHA256

da20c00b996d90ba1791f0247b643f9a907f0e85358421cf5496e94a905f983b
SHA512

5e4955a661ff8f34d863233fb3366c0a12cc4a4cc224ad8a1f3dc7a0e7caac2b73f3328cd893dda385a66e6541560cd5f4150d95ae2e6ccc18eaea911bc81b92
SSDEEP

384:l3jVKzOo+mhRM/WShMOzX9A9O1u4zU/U+nqcbzgpV0RukrhI0:LKyo+mhyOSryZxFnS4PK

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2768	cmd.exe

Unexpected DNS network traffic destination 1 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	204.117.214.10

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\svchost.exe:exe.exe	f66da4dac9a5e3aff3f777436eaa51b0_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\icf.exe.exe:exe.exe	f66da4dac9a5e3aff3f777436eaa51b0_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\icf.exe.exe:exe.exe	f66da4dac9a5e3aff3f777436eaa51b0_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1288 set thread context of 2964	1288	f66da4dac9a5e3aff3f777436eaa51b0_JaffaCakes118.exe	29

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1288-0-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2964-4-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2964-5-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2964-6-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1288-15-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2964-17-0x0000000000400000-0x0000000000414000-memory.dmp	upx

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	f66da4dac9a5e3aff3f777436eaa51b0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1288 wrote to memory of 2964	1288	f66da4dac9a5e3aff3f777436eaa51b0_JaffaCakes118.exe	29
PID 1288 wrote to memory of 2964	1288	f66da4dac9a5e3aff3f777436eaa51b0_JaffaCakes118.exe	29
PID 1288 wrote to memory of 2964	1288	f66da4dac9a5e3aff3f777436eaa51b0_JaffaCakes118.exe	29
PID 1288 wrote to memory of 2964	1288	f66da4dac9a5e3aff3f777436eaa51b0_JaffaCakes118.exe	29
PID 1288 wrote to memory of 2964	1288	f66da4dac9a5e3aff3f777436eaa51b0_JaffaCakes118.exe	29
PID 1288 wrote to memory of 2768	1288	f66da4dac9a5e3aff3f777436eaa51b0_JaffaCakes118.exe	30
PID 1288 wrote to memory of 2768	1288	f66da4dac9a5e3aff3f777436eaa51b0_JaffaCakes118.exe	30
PID 1288 wrote to memory of 2768	1288	f66da4dac9a5e3aff3f777436eaa51b0_JaffaCakes118.exe	30
PID 1288 wrote to memory of 2768	1288	f66da4dac9a5e3aff3f777436eaa51b0_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\f66da4dac9a5e3aff3f777436eaa51b0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f66da4dac9a5e3aff3f777436eaa51b0_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1288
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2964
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\2228227.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2768

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:\Users\Admin\AppData\Local\Temp\2228227.bat

Filesize
263B

MD5
4d72747831935ffccc6f69b9d2c534d5

SHA1
0e997090d2d82ab2c48b4ff8b3d20af463932ade

SHA256
39458c97abc1ec93a90139930f3e1956d0ea1c1be632dedae77f01a566c0d02f

SHA512
4d7c90fe24991cc25f1954d4f4244d1d7b3ba24821f6064946b0973ab2f4685c1f71f353c7f3c25ecb82cd610dca04dd5552564f79d6f226f81a175dabdebf19

Download Submit
memory/1288-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1288-15-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2964-4-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2964-1-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2964-5-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2964-6-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2964-17-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

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