bfd1c6883f8abf849784b9d3e51ea91213414b5048d3a36e742cd44ecc8fd528

General

Target

f88c9a96c0800050b6a6451e4d0a419d_JaffaCakes118.exe
Size

290KB
MD5

f88c9a96c0800050b6a6451e4d0a419d
SHA1

cf2b7912bde7913bcaf2cbb84aac95e7ddd49be5
SHA256

bfd1c6883f8abf849784b9d3e51ea91213414b5048d3a36e742cd44ecc8fd528
SHA512

df621ee558b891e405aa0fc87d30f76995d4f1583dafacfe80a03eb0a1a9c89acc5d974ff0979ec6418ca712dbbd100c9063bf2895fb87eab8c850f38de6551f
SSDEEP

6144:/Pqu4RIJ13IFWeTRIS0eyZKmdm7o8Ps+0PY2Y:/PqxRIJK4etIS0pZy70PY2Y

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
64	Wb5qRcNPihnaSUU.exe
3776	CTS.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1244-0-0x0000000000120000-0x0000000000137000-memory.dmp	upx
behavioral2/files/0x000800000002326e-7.dat	upx
behavioral2/memory/3776-8-0x0000000000070000-0x0000000000087000-memory.dmp	upx
behavioral2/memory/1244-10-0x0000000000120000-0x0000000000137000-memory.dmp	upx
behavioral2/files/0x00070000000224f9-13.dat	upx
behavioral2/memory/3776-32-0x0000000000070000-0x0000000000087000-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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	f88c9a96c0800050b6a6451e4d0a419d_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	f88c9a96c0800050b6a6451e4d0a419d_JaffaCakes118.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1244	f88c9a96c0800050b6a6451e4d0a419d_JaffaCakes118.exe
Token: SeDebugPrivilege	3776	CTS.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1244 wrote to memory of 64	1244	f88c9a96c0800050b6a6451e4d0a419d_JaffaCakes118.exe	91
PID 1244 wrote to memory of 64	1244	f88c9a96c0800050b6a6451e4d0a419d_JaffaCakes118.exe	91
PID 1244 wrote to memory of 3776	1244	f88c9a96c0800050b6a6451e4d0a419d_JaffaCakes118.exe	92
PID 1244 wrote to memory of 3776	1244	f88c9a96c0800050b6a6451e4d0a419d_JaffaCakes118.exe	92
PID 1244 wrote to memory of 3776	1244	f88c9a96c0800050b6a6451e4d0a419d_JaffaCakes118.exe	92

C:\Users\Admin\AppData\Local\Temp\f88c9a96c0800050b6a6451e4d0a419d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f88c9a96c0800050b6a6451e4d0a419d_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1244
- C:\Users\Admin\AppData\Local\Temp\Wb5qRcNPihnaSUU.exe
  C:\Users\Admin\AppData\Local\Temp\Wb5qRcNPihnaSUU.exe
  2⤵
  - Executes dropped EXE
  PID:64
- C:\Windows\CTS.exe
  "C:\Windows\CTS.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  PID:3776

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4260 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
1⤵
PID:3032

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

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

Filesize
789KB

MD5
5db5cac089628cb8736713d5b0de94f7

SHA1
612279de5f1db120791bffbb743e05d74f76ff18

SHA256
c2988168194b0b05ea28880030e5c845241f660a34097ac773e43c43113689f5

SHA512
a0bd9f70970775fbd3910c3ed904446de9c0772b38d309a5000364245fe6f3724ea09d83040c1e8dbadcc67a4c7bc281f8469bb9825093d0a381a80e7759f622

Download Submit
C:\Users\Admin\AppData\Local\Temp\Wb5qRcNPihnaSUU.exe

Filesize
219KB

MD5
e2312f199976d03a7cf41e453c5af246

SHA1
c723bf05f7132c9b66c4f91d6cc363d08b4ed622

SHA256
84fe7824717bb55d7f32c7487e37012a1bc6cd4c8c0202be4bfb07e770f8dc51

SHA512
a5cad97d8bcf893b79eed436ae8df232d7e53df86a0ed38b381c128c5d8c76c0caad41407ed564f2ea2725236eb98ea6d29413886ea22371920bf2b498b49686

Download Submit
C:\Windows\CTS.exe

Filesize
71KB

MD5
6351060cb9fcaf3592510325a13b5219

SHA1
7408da86c12d5fa401306df7f9b35cd5c833ba87

SHA256
b74bb753ab2ab0996f6c3b988e2a16931e902c5a0dd12d6e35e8b2bb32ce8000

SHA512
43d6f1ebb87fe987919bbedce8ad97d4c8945c4104214e443bce56bd6dcdfbdf5060b796fa2839674d727680ef35b781abdb9b12ebf5bff0accf5ee8fb4f4501

Download Submit
memory/1244-0-0x0000000000120000-0x0000000000137000-memory.dmp

Filesize
92KB

Download
memory/1244-10-0x0000000000120000-0x0000000000137000-memory.dmp

Filesize
92KB

Download
memory/3776-8-0x0000000000070000-0x0000000000087000-memory.dmp

Filesize
92KB

Download
memory/3776-32-0x0000000000070000-0x0000000000087000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads