cd21a0d7e7e4c10ff14ec73a99fa3f45dfdf664c6d7035c952b78428ddc9a2a6

General

Target

ff80f40808f7e94330dda9bdc9959e0f_JaffaCakes118.exe
Size

2.2MB
MD5

ff80f40808f7e94330dda9bdc9959e0f
SHA1

d38f13441458dbc7b15419fecffa667485b88101
SHA256

cd21a0d7e7e4c10ff14ec73a99fa3f45dfdf664c6d7035c952b78428ddc9a2a6
SHA512

f3969ccbd7949b3e624a6993a7ad66d198407d7ba4f0f33f437ea32f272e188926216d6954cd09f81da0a7ff14385eb7fc531201429163218c5a0f27923368b9
SSDEEP

49152:ttPFhG3gWxZjfO723XJmYtUtXg8AiCEPPE1w2:7G1DA23dutXJCEPs1T

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2084	StpCEE3_TMP.EXE
3064	irsetup.exe

Loads dropped DLL 11 IoCs

pid	Process
2572	ff80f40808f7e94330dda9bdc9959e0f_JaffaCakes118.exe
2084	StpCEE3_TMP.EXE
2084	StpCEE3_TMP.EXE
2084	StpCEE3_TMP.EXE
2084	StpCEE3_TMP.EXE
2084	StpCEE3_TMP.EXE
2084	StpCEE3_TMP.EXE
3064	irsetup.exe
3064	irsetup.exe
3064	irsetup.exe
3064	irsetup.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0008000000016d89-14.dat	upx
behavioral1/memory/2084-22-0x0000000002B70000-0x0000000002CEE000-memory.dmp	upx
behavioral1/memory/3064-29-0x0000000000400000-0x000000000057E000-memory.dmp	upx
behavioral1/memory/3064-43-0x0000000000400000-0x000000000057E000-memory.dmp	upx
behavioral1/memory/3064-55-0x0000000000400000-0x000000000057E000-memory.dmp	upx
behavioral1/memory/3064-60-0x0000000000400000-0x000000000057E000-memory.dmp	upx

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Pivot4U Add-In for MS Excel Setup Log.txt	irsetup.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 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	ff80f40808f7e94330dda9bdc9959e0f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	StpCEE3_TMP.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	irsetup.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3064	irsetup.exe
3064	irsetup.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2572 wrote to memory of 2084	2572	ff80f40808f7e94330dda9bdc9959e0f_JaffaCakes118.exe	31
PID 2572 wrote to memory of 2084	2572	ff80f40808f7e94330dda9bdc9959e0f_JaffaCakes118.exe	31
PID 2572 wrote to memory of 2084	2572	ff80f40808f7e94330dda9bdc9959e0f_JaffaCakes118.exe	31
PID 2572 wrote to memory of 2084	2572	ff80f40808f7e94330dda9bdc9959e0f_JaffaCakes118.exe	31
PID 2572 wrote to memory of 2084	2572	ff80f40808f7e94330dda9bdc9959e0f_JaffaCakes118.exe	31
PID 2572 wrote to memory of 2084	2572	ff80f40808f7e94330dda9bdc9959e0f_JaffaCakes118.exe	31
PID 2572 wrote to memory of 2084	2572	ff80f40808f7e94330dda9bdc9959e0f_JaffaCakes118.exe	31
PID 2084 wrote to memory of 3064	2084	StpCEE3_TMP.EXE	32
PID 2084 wrote to memory of 3064	2084	StpCEE3_TMP.EXE	32
PID 2084 wrote to memory of 3064	2084	StpCEE3_TMP.EXE	32
PID 2084 wrote to memory of 3064	2084	StpCEE3_TMP.EXE	32
PID 2084 wrote to memory of 3064	2084	StpCEE3_TMP.EXE	32
PID 2084 wrote to memory of 3064	2084	StpCEE3_TMP.EXE	32
PID 2084 wrote to memory of 3064	2084	StpCEE3_TMP.EXE	32

C:\Users\Admin\AppData\Local\Temp\ff80f40808f7e94330dda9bdc9959e0f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ff80f40808f7e94330dda9bdc9959e0f_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2572
- C:\Users\Admin\AppData\Local\Temp\StpCEE3_TMP.EXE
  "C:\Users\Admin\AppData\Local\Temp\StpCEE3_TMP.EXE"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2084
- - C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe
    "C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe" __IRAOFF:653346 "__IRAFN:C:\Users\Admin\AppData\Local\Temp\StpCEE3_TMP.EXE" "__IRCT:1" "__IRTSS:0" "__IRSID:S-1-5-21-2872745919-2748461613-2989606286-1000"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:3064

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

C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe

Filesize
562KB

MD5
5f59ad63f69105918cc8e1d5cf0014ac

SHA1
b243424ed68100e53801b486eb83dea0c38f1a37

SHA256
beb5c06e62756e98318f16eeb7c6cc15758daa1335b68e385c8d24d60160940c

SHA512
22b6dff4a18d5650d4ad0831acf82c8e8d47629610f98776195dd36ed5eadcbc849e7fb198a12380e11e96b7dfde3ae7a9f2cb2fd38449cde1d54b1b367db011

Download Submit
\Users\Admin\AppData\Local\Temp\StpCEE3_TMP.EXE

Filesize
2.1MB

MD5
13441c1425f47ef06eded6f443797aa8

SHA1
e8d4c8debec8d23cc0e82028407847da3c8ac9ec

SHA256
248135c9575e20c81455738d1680d3dcde227faa0366ddc9e7a7b3a8418cf26f

SHA512
9e5798d3010d5d76b2e4ab2defb82567087732bca96c79761ff31443dc3ed7fe08b9b7d39d49f9206e6115df653b0cf5d2207e24f0874aed9ac74d47f5f3add6

Download Submit
memory/2084-22-0x0000000002B70000-0x0000000002CEE000-memory.dmp

Filesize
1.5MB

Download
memory/2084-28-0x0000000002B70000-0x0000000002CEE000-memory.dmp

Filesize
1.5MB

Download
memory/2084-27-0x0000000002B70000-0x0000000002CEE000-memory.dmp

Filesize
1.5MB

Download
memory/3064-29-0x0000000000400000-0x000000000057E000-memory.dmp

Filesize
1.5MB

Download
memory/3064-33-0x0000000000580000-0x00000000006FE000-memory.dmp

Filesize
1.5MB

Download
memory/3064-43-0x0000000000400000-0x000000000057E000-memory.dmp

Filesize
1.5MB

Download
memory/3064-44-0x0000000000580000-0x00000000006FE000-memory.dmp

Filesize
1.5MB

Download
memory/3064-46-0x0000000000580000-0x00000000006FE000-memory.dmp

Filesize
1.5MB

Download
memory/3064-55-0x0000000000400000-0x000000000057E000-memory.dmp

Filesize
1.5MB

Download
memory/3064-60-0x0000000000400000-0x000000000057E000-memory.dmp

Filesize
1.5MB

Download

Analysis

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