bd3028764d71a2b618020c93efc84bf3254587063e0037d6e667b81f3697274d

General

Target

86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe
Size

13KB
MD5

86cf96a102709afda15710cfbfd00019
SHA1

deca5a44083ffb68eb2b7f87afb6eacbd364fd3c
SHA256

bd3028764d71a2b618020c93efc84bf3254587063e0037d6e667b81f3697274d
SHA512

816138e7fcdb2632c92ecf3a62a978ddd97e9343202477053069ddb6dd82bba80ab10c8769068c0ce697973194c8cf537d78e086d3a188021d8fd9a584975f8d
SSDEEP

384:peoiXE6cletE9EijfZETgknvJ4YA0MuxikDg:ViU19EiZ+gkvOYldw

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
264	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2752	baccopsk.exe

Loads dropped DLL 2 IoCs

pid	Process
2880	86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe
2880	86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2880-0-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/files/0x0008000000018ba5-3.dat	upx
behavioral1/memory/2752-12-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/2880-13-0x0000000000400000-0x000000000040E000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\baccops.dll	86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\baccopsk.exe	86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\baccopsk.exe	86cf96a102709afda15710cfbfd00019_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	86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2880 wrote to memory of 2752	2880	86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe	30
PID 2880 wrote to memory of 2752	2880	86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe	30
PID 2880 wrote to memory of 2752	2880	86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe	30
PID 2880 wrote to memory of 2752	2880	86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe	30
PID 2880 wrote to memory of 264	2880	86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe	32
PID 2880 wrote to memory of 264	2880	86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe	32
PID 2880 wrote to memory of 264	2880	86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe	32
PID 2880 wrote to memory of 264	2880	86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2880
- C:\Windows\SysWOW64\baccopsk.exe
  C:\Windows\system32\baccopsk.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:2752
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:264

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe.bat

Filesize
210B

MD5
a546941ff9a2c74318e466d9e6a8299c

SHA1
06c0cffe0432446f59508a5ab4cb53db2e6fc0a2

SHA256
df3f76bc43375e82d4b095fd267a854419081d5a91f8d303bb75ea1af651b53c

SHA512
16a9a82f80da5f95b1cce984401ec65265d7a99f96a0648ff2f8ef7a4022bced24920d343d827c8bab6d0b7306cd1d605676fda00dab05c47655d3db72233827

Download Submit
\Windows\SysWOW64\baccopsk.exe

Filesize
13KB

MD5
86cf96a102709afda15710cfbfd00019

SHA1
deca5a44083ffb68eb2b7f87afb6eacbd364fd3c

SHA256
bd3028764d71a2b618020c93efc84bf3254587063e0037d6e667b81f3697274d

SHA512
816138e7fcdb2632c92ecf3a62a978ddd97e9343202477053069ddb6dd82bba80ab10c8769068c0ce697973194c8cf537d78e086d3a188021d8fd9a584975f8d

Download Submit
memory/2752-12-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2880-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2880-11-0x0000000000230000-0x000000000023E000-memory.dmp

Filesize
56KB

Download
memory/2880-10-0x0000000000230000-0x000000000023E000-memory.dmp

Filesize
56KB

Download
memory/2880-13-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2880-17-0x0000000000230000-0x000000000023E000-memory.dmp

Filesize
56KB

Download
memory/2880-18-0x0000000000230000-0x000000000023E000-memory.dmp

Filesize
56KB

Download

Analysis

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