a8db3803e1f827f739e066041740fe9641c0b8ae45d9e1d1a2a2c13cea515bc6

General

Target

6929e0d64b157d321e84f95ef2a8e087_JaffaCakes118.exe
Size

10KB
MD5

6929e0d64b157d321e84f95ef2a8e087
SHA1

9545d50c4a180ad30ab83a8e697429469238bd58
SHA256

a8db3803e1f827f739e066041740fe9641c0b8ae45d9e1d1a2a2c13cea515bc6
SHA512

80b010f60ac40ce0a19e9d5e1dc08558fee0dd6a1719776e9bec6b4bcbf15d70badc9dd3c7f15ce06704ad86ba05a8324c17158b3f81f876bf31c328b2bd9415
SSDEEP

192:K4XuJaaKhJAUqeHAZiJW57IdHIGQwTDgyZDNf0qiRNbu7+:hS09gZiWllIDxuVy+

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

Deletes itself 1 IoCs

pid	Process
2704	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
3068	comremok.exe

Loads dropped DLL 2 IoCs

pid	Process
904	6929e0d64b157d321e84f95ef2a8e087_JaffaCakes118.exe
904	6929e0d64b157d321e84f95ef2a8e087_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/904-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/files/0x00080000000193b7-3.dat	upx
behavioral1/memory/3068-12-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/904-21-0x0000000000400000-0x000000000040F000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\comremo.dll	6929e0d64b157d321e84f95ef2a8e087_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\comremok.exe	6929e0d64b157d321e84f95ef2a8e087_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\comremok.exe	6929e0d64b157d321e84f95ef2a8e087_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	6929e0d64b157d321e84f95ef2a8e087_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
904	6929e0d64b157d321e84f95ef2a8e087_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 904 wrote to memory of 3068	904	6929e0d64b157d321e84f95ef2a8e087_JaffaCakes118.exe	30
PID 904 wrote to memory of 3068	904	6929e0d64b157d321e84f95ef2a8e087_JaffaCakes118.exe	30
PID 904 wrote to memory of 3068	904	6929e0d64b157d321e84f95ef2a8e087_JaffaCakes118.exe	30
PID 904 wrote to memory of 3068	904	6929e0d64b157d321e84f95ef2a8e087_JaffaCakes118.exe	30
PID 904 wrote to memory of 2704	904	6929e0d64b157d321e84f95ef2a8e087_JaffaCakes118.exe	31
PID 904 wrote to memory of 2704	904	6929e0d64b157d321e84f95ef2a8e087_JaffaCakes118.exe	31
PID 904 wrote to memory of 2704	904	6929e0d64b157d321e84f95ef2a8e087_JaffaCakes118.exe	31
PID 904 wrote to memory of 2704	904	6929e0d64b157d321e84f95ef2a8e087_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\6929e0d64b157d321e84f95ef2a8e087_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6929e0d64b157d321e84f95ef2a8e087_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:904
- C:\Windows\SysWOW64\comremok.exe
  C:\Windows\system32\comremok.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:3068
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\6929e0d64b157d321e84f95ef2a8e087_JaffaCakes118.exe.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2704

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1546

AppInit DLLs

1

T1546.010

Privilege Escalation

Event Triggered Execution

1

T1546

AppInit DLLs

1

T1546.010

Defense Evasion

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\6929e0d64b157d321e84f95ef2a8e087_JaffaCakes118.exe.bat

Filesize
210B

MD5
d55b755d5282a426deb834e97a947673

SHA1
adc2712b45cf3736707426464a683689c5c485e6

SHA256
f291fb6df0a4b0ea7bcf60619bb1d175ef37ebe849d8585037d88b81ebafbcde

SHA512
3a6a307fcada892253154d84a8c95eab9a3d5ca42dc941b3ee1884c894ecc2786eaec7080ed394f336db82d489f7ebbafa24d02767bac70a64c1c5ec12583852

Download Submit
\Windows\SysWOW64\comremok.exe

Filesize
10KB

MD5
6929e0d64b157d321e84f95ef2a8e087

SHA1
9545d50c4a180ad30ab83a8e697429469238bd58

SHA256
a8db3803e1f827f739e066041740fe9641c0b8ae45d9e1d1a2a2c13cea515bc6

SHA512
80b010f60ac40ce0a19e9d5e1dc08558fee0dd6a1719776e9bec6b4bcbf15d70badc9dd3c7f15ce06704ad86ba05a8324c17158b3f81f876bf31c328b2bd9415

Download Submit
memory/904-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/904-11-0x0000000000030000-0x000000000003F000-memory.dmp

Filesize
60KB

Download
memory/904-10-0x0000000000030000-0x000000000003F000-memory.dmp

Filesize
60KB

Download
memory/904-21-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3068-12-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

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