ae67c6c848df69c041ad4afd63da026e25c3fac04a5820701d95530acce5b509

General

Target

ab002967c1a93920a04da73c07a58e15_JaffaCakes118.exe
Size

141KB
MD5

ab002967c1a93920a04da73c07a58e15
SHA1

fe8fe4d41ccc6c26f4c03182db2baec429837661
SHA256

ae67c6c848df69c041ad4afd63da026e25c3fac04a5820701d95530acce5b509
SHA512

6b6bceec9c8f42ccda72a3cd68c2387092a60c52813b200a9be5eed9ca4b28a6586649ca1238bea01b39b963529ed8246a26532790398f6b1b7fb228717842f5
SSDEEP

3072:SKcWmjRrz3ZKcWmjRrz35Z1PxoBDFt4a4d4WFF6IQpPSPeivZ6eqhnrZ1:hGyG5Z1aBpia4OWT6pPWeivEZ1

Score

7^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2440	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 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2628-0-0x00000000007F0000-0x0000000000807000-memory.dmp	upx
behavioral2/files/0x000900000002353e-6.dat	upx
behavioral2/memory/2440-7-0x0000000000510000-0x0000000000527000-memory.dmp	upx
behavioral2/memory/2628-9-0x00000000007F0000-0x0000000000807000-memory.dmp	upx
behavioral2/files/0x0007000000023344-13.dat	upx
behavioral2/files/0x000b00000002352d-30.dat	upx
behavioral2/memory/2440-34-0x0000000000510000-0x0000000000527000-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"	ab002967c1a93920a04da73c07a58e15_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	ab002967c1a93920a04da73c07a58e15_JaffaCakes118.exe
File created	C:\Windows\CTS.exe	CTS.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	ab002967c1a93920a04da73c07a58e15_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2628	ab002967c1a93920a04da73c07a58e15_JaffaCakes118.exe
Token: SeDebugPrivilege	2440	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2628 wrote to memory of 2440	2628	ab002967c1a93920a04da73c07a58e15_JaffaCakes118.exe	91
PID 2628 wrote to memory of 2440	2628	ab002967c1a93920a04da73c07a58e15_JaffaCakes118.exe	91
PID 2628 wrote to memory of 2440	2628	ab002967c1a93920a04da73c07a58e15_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\ab002967c1a93920a04da73c07a58e15_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ab002967c1a93920a04da73c07a58e15_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2628
- C:\Windows\CTS.exe
  "C:\Windows\CTS.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2440

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 --field-trial-handle=4252,i,11251706013556949551,5157034131170452377,262144 --variations-seed-version --mojo-platform-channel-handle=4436 /prefetch:8
1⤵
PID:2448

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

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
382KB

MD5
77a3389a8bec94beb30007f9a2f176bf

SHA1
0cfc37aed67c183032b11fefc3447442044c72a2

SHA256
b70141c48488b2c01e257ae8805f33828750164e3300b5e34d4f9009c54c9172

SHA512
a0ef53c26cade8942456a48dd54c4a7f8f5fdd5b76b697505b4f2825bab12119867c9e736d21ebdd280ae8fb99668faf609183ba3ae08615bf36dd9212fe76c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\Ufv4LcKgNrkGb0a.exe

Filesize
141KB

MD5
e59262d7a7889d72550d282f33422bd6

SHA1
558d5779abb2d07d3f19c6f36f4a763640e344d6

SHA256
cf029d94ab7eb1d943c9c86da082a8364afe1f89a8e6b9d78c222c3ffaca1b02

SHA512
ba45c658ba31db25122f6a0560ee66bcf4f817c03293b34c4d5878add6cd2e2494666c89cdc2e38c9e516e8ad5153e6c041a1806e058b2fc634ce27eaab5fae0

Download Submit
C:\Windows\CTS.exe

Filesize
59KB

MD5
5efd390d5f95c8191f5ac33c4db4b143

SHA1
42d81b118815361daa3007f1a40f1576e9a9e0bc

SHA256
6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74

SHA512
720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d

Download Submit
memory/2440-7-0x0000000000510000-0x0000000000527000-memory.dmp

Filesize
92KB

Download
memory/2440-34-0x0000000000510000-0x0000000000527000-memory.dmp

Filesize
92KB

Download
memory/2628-0-0x00000000007F0000-0x0000000000807000-memory.dmp

Filesize
92KB

Download
memory/2628-9-0x00000000007F0000-0x0000000000807000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads