a3e6232c219893a47bf78bb7f9a9f365915a61bdd8e4fcd9f57db29474f21551

General

Target

2b4ed1b755fbc12d97eba60056e12e36_JaffaCakes118.exe
Size

65KB
MD5

2b4ed1b755fbc12d97eba60056e12e36
SHA1

dc9c7acd534dbc7a0a404b821943ada7d04622f8
SHA256

a3e6232c219893a47bf78bb7f9a9f365915a61bdd8e4fcd9f57db29474f21551
SHA512

6007458ced64481b7d7177cbaff30837a0661361251ddf5f3ee7303939e3497343ea8fe3f94dbeff1e5babc2d995ce5b710aec85f0d3161b4fced1afe98b6cab
SSDEEP

1536:kLfpVneK7p7entaS3AdxjiZMKQTpYj+6SaayPm/spl:kzpVLckSQdxjCMKQNYi6SaaZ/A

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2792	rotr.exe

Loads dropped DLL 2 IoCs

pid	Process
3024	2b4ed1b755fbc12d97eba60056e12e36_JaffaCakes118.exe
3024	2b4ed1b755fbc12d97eba60056e12e36_JaffaCakes118.exe

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3024-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/files/0x0007000000018f94-7.dat	upx
behavioral1/memory/2792-13-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/3024-10-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2792-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2792-16-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/3024-17-0x0000000002160000-0x000000000218E000-memory.dmp	upx
behavioral1/memory/2792-18-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2792-19-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2792-20-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2792-21-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2792-22-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2792-23-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2792-24-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2792-25-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2792-26-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2792-27-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2792-28-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral1/memory/2792-29-0x0000000000400000-0x000000000042E000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ieuu = "C:\\Program Files (x86)\\unue\\rotr.exe"	2b4ed1b755fbc12d97eba60056e12e36_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ieuu = "C:\\Program Files (x86)\\unue\\rotr.exe"	rotr.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\unue\rotr.exe	2b4ed1b755fbc12d97eba60056e12e36_JaffaCakes118.exe
File created	C:\Program Files (x86)\unue\rotr.exe	2b4ed1b755fbc12d97eba60056e12e36_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\unue\rotr.exe	rotr.exe
File created	C:\Program Files (x86)\unue\rotr.exe	rotr.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3024 wrote to memory of 2792	3024	2b4ed1b755fbc12d97eba60056e12e36_JaffaCakes118.exe	31
PID 3024 wrote to memory of 2792	3024	2b4ed1b755fbc12d97eba60056e12e36_JaffaCakes118.exe	31
PID 3024 wrote to memory of 2792	3024	2b4ed1b755fbc12d97eba60056e12e36_JaffaCakes118.exe	31
PID 3024 wrote to memory of 2792	3024	2b4ed1b755fbc12d97eba60056e12e36_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\2b4ed1b755fbc12d97eba60056e12e36_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2b4ed1b755fbc12d97eba60056e12e36_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3024
- C:\Program Files (x86)\unue\rotr.exe
  "C:\Program Files (x86)\unue\rotr.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Program Files directory
  PID:2792

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\unue\rotr.exe

Filesize
65KB

MD5
2b4ed1b755fbc12d97eba60056e12e36

SHA1
dc9c7acd534dbc7a0a404b821943ada7d04622f8

SHA256
a3e6232c219893a47bf78bb7f9a9f365915a61bdd8e4fcd9f57db29474f21551

SHA512
6007458ced64481b7d7177cbaff30837a0661361251ddf5f3ee7303939e3497343ea8fe3f94dbeff1e5babc2d995ce5b710aec85f0d3161b4fced1afe98b6cab

Download Submit
memory/2792-20-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2792-21-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2792-29-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2792-28-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2792-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2792-16-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2792-27-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2792-18-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2792-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2792-19-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2792-26-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2792-22-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2792-23-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2792-24-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2792-25-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3024-10-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3024-17-0x0000000002160000-0x000000000218E000-memory.dmp

Filesize
184KB

Download
memory/3024-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3024-12-0x0000000002160000-0x000000000218E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads