3e18a734492334e90f064e61e71ec5615e365467535be81dd45da69f5322f281

General

Target

f04990a5b976d6c5627f1c2f3a73c81c_JaffaCakes118.exe
Size

1.9MB
MD5

f04990a5b976d6c5627f1c2f3a73c81c
SHA1

e9de8d434ba3cf3b0f0c982482353209d88986e1
SHA256

3e18a734492334e90f064e61e71ec5615e365467535be81dd45da69f5322f281
SHA512

aa6023901877c0e19c533d765e44efb5f691dc200a02c779126c0fb2c31e1a8f7fd4a145a312b37ccdf3765beb41e855da49d6404a43ac1fa21190d56ede18ad
SSDEEP

49152:h3xmfcPpddbGR005DFG5Ir4XaFTYhB94hCt3+FO/LYI:DmfcPXd6RzM5IMXaehBa80I

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
4496	eAJlOldSdXa188c.exe
3632	CTS.exe
3200	eAJlOldSdXa188c.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 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2276-0-0x0000000000190000-0x00000000001A7000-memory.dmp	upx
behavioral2/memory/3632-16-0x0000000000740000-0x0000000000757000-memory.dmp	upx
behavioral2/files/0x000600000002326f-15.dat	upx
behavioral2/files/0x0003000000022971-22.dat	upx
behavioral2/memory/2276-14-0x0000000000190000-0x00000000001A7000-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"	f04990a5b976d6c5627f1c2f3a73c81c_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	f04990a5b976d6c5627f1c2f3a73c81c_JaffaCakes118.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2276	f04990a5b976d6c5627f1c2f3a73c81c_JaffaCakes118.exe
Token: SeDebugPrivilege	3632	CTS.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3200	eAJlOldSdXa188c.exe
3200	eAJlOldSdXa188c.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2276 wrote to memory of 4496	2276	f04990a5b976d6c5627f1c2f3a73c81c_JaffaCakes118.exe	86
PID 2276 wrote to memory of 4496	2276	f04990a5b976d6c5627f1c2f3a73c81c_JaffaCakes118.exe	86
PID 2276 wrote to memory of 4496	2276	f04990a5b976d6c5627f1c2f3a73c81c_JaffaCakes118.exe	86
PID 2276 wrote to memory of 3632	2276	f04990a5b976d6c5627f1c2f3a73c81c_JaffaCakes118.exe	87
PID 2276 wrote to memory of 3632	2276	f04990a5b976d6c5627f1c2f3a73c81c_JaffaCakes118.exe	87
PID 2276 wrote to memory of 3632	2276	f04990a5b976d6c5627f1c2f3a73c81c_JaffaCakes118.exe	87
PID 4496 wrote to memory of 3200	4496	eAJlOldSdXa188c.exe	88
PID 4496 wrote to memory of 3200	4496	eAJlOldSdXa188c.exe	88
PID 4496 wrote to memory of 3200	4496	eAJlOldSdXa188c.exe	88

C:\Users\Admin\AppData\Local\Temp\f04990a5b976d6c5627f1c2f3a73c81c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f04990a5b976d6c5627f1c2f3a73c81c_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2276
- C:\Users\Admin\AppData\Local\Temp\eAJlOldSdXa188c.exe
  C:\Users\Admin\AppData\Local\Temp\eAJlOldSdXa188c.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:4496
- - C:\Users\Admin\AppData\Local\Temp\jds240601546.tmp\eAJlOldSdXa188c.exe
    "C:\Users\Admin\AppData\Local\Temp\jds240601546.tmp\eAJlOldSdXa188c.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    PID:3200
- 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:3632

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
380KB

MD5
b8e9295c83fd51ce6affe58586de9bec

SHA1
c78b8a1a1fd93c06a49cdfb086c7dda524ec1ad5

SHA256
2d6e9c1decc038f0388531d7f3695339c77b146c98c7fef14459128f32b8a457

SHA512
fc8189387114e2fcbd92084b30649904092b19ec1f6cb91f5ce761a5e99fde1481431efc33865ebaa5a1a25ec53d4d523d54602c715a4ad24522b7f0a47f3c62

Download Submit
C:\Users\Admin\AppData\Local\Temp\eAJlOldSdXa188c.exe

Filesize
1.8MB

MD5
544e07d620d3108b9b6aa3384d02dea5

SHA1
9897596f3c4ec39e38ef7f1081783db7693ae0b2

SHA256
a8fb1a1473831ac6feb092afd2cbdded2d6a881d3576158fabd89090050b52f8

SHA512
3663b9c056447c4491635b5bdcbc6e1a2b67a432b41bab6f479da5c787c48f1067cecafdfb6d9763f9b17b553aa953ae87068ba7f0c1c93facf34db7ac53a64c

Download Submit
C:\Users\Admin\AppData\Local\Temp\jds240601546.tmp\eAJlOldSdXa188c.exe

Filesize
1.6MB

MD5
109cbe148f827137c3ba62261f01b29b

SHA1
2cc02b09da46d9e5d0ac1b306a0bbcc12bfe4c12

SHA256
394ad6212e4866cc8e6d1834df8f70538dddf09d23dfa65ea204b22c012b541a

SHA512
a2dfa03dd290540bcfeda6cfd7d6ed891700742b4323d8c8dbfc4c822386ef1ddfff5cf71b2e5d7be9ec72fb6fc2145ff6ffc440823187d6956d5aa2794c5799

Download Submit
C:\Users\Admin\AppData\Local\Temp\jusched.log

Filesize
154KB

MD5
34c1c168981584c57d88b55fa21d6bac

SHA1
7ee83351cd428240c1b1faef736a1876bbb4132f

SHA256
48b78e08e70a590062dc66b4147a0670b994ba46e575c2e0d9bc5505475dc9f1

SHA512
125e5b4b4cf11a1e5ef25c8c679b1604b64cc60bab0d89393b7dca4e78a912e64260e99d52990a50a414b094da6a0ccf58520dd5a6fe4025d608e7200c83de23

Download Submit
C:\Windows\CTS.exe

Filesize
59KB

MD5
5efd390d5f95c8191f5ac33c4db4b143

SHA1
42d81b118815361daa3007f1a40f1576e9a9e0bc

SHA256
6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74

SHA512
720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d

Download Submit
memory/2276-0-0x0000000000190000-0x00000000001A7000-memory.dmp

Filesize
92KB

Download
memory/2276-14-0x0000000000190000-0x00000000001A7000-memory.dmp

Filesize
92KB

Download
memory/3632-16-0x0000000000740000-0x0000000000757000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads