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
4884	rotr.exe

UPX packed file 17 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3280-0-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/files/0x00070000000234a1-4.dat	upx
behavioral2/memory/3280-7-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4884-8-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4884-9-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4884-10-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4884-11-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4884-12-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4884-13-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4884-14-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4884-15-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4884-16-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4884-17-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4884-18-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4884-19-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4884-20-0x0000000000400000-0x000000000042E000-memory.dmp	upx
behavioral2/memory/4884-21-0x0000000000400000-0x000000000042E000-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-1-5-21-3642458265-1901903390-453309326-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ieuu = "C:\\Program Files (x86)\\unue\\rotr.exe"	2b4ed1b755fbc12d97eba60056e12e36_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3642458265-1901903390-453309326-1000\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 3 IoCs

description	pid	Process	procid_target
PID 3280 wrote to memory of 4884	3280	2b4ed1b755fbc12d97eba60056e12e36_JaffaCakes118.exe	84
PID 3280 wrote to memory of 4884	3280	2b4ed1b755fbc12d97eba60056e12e36_JaffaCakes118.exe	84
PID 3280 wrote to memory of 4884	3280	2b4ed1b755fbc12d97eba60056e12e36_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\2b4ed1b755fbc12d97eba60056e12e36_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2b4ed1b755fbc12d97eba60056e12e36_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:3280
- 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:4884

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/3280-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3280-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4884-13-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4884-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4884-10-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4884-11-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4884-12-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4884-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4884-14-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4884-9-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4884-16-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4884-17-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4884-18-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4884-19-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4884-20-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4884-21-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads