59fbf57cb52fc5e0ec1377ad9386e96376bf107056bfadc0373fe621ee3046d3

General

Target

f57f8ef154d2a571e2920e1df7120fb0_JaffaCakes118.exe
Size

142KB
MD5

f57f8ef154d2a571e2920e1df7120fb0
SHA1

182ce043b501298c082b4ad9d4d2692b6240e366
SHA256

59fbf57cb52fc5e0ec1377ad9386e96376bf107056bfadc0373fe621ee3046d3
SHA512

3a73f52ec19fc56d6817995693a06c77528150d2abf56f71ebe217eafe0ee7747e40f325aa7e3d48faf05cfec9c0db99aa434dc5a2cc120267d208799d8041fa
SSDEEP

3072:uvSZrgHvHIfS5u67KfEE+yzibLwJr13GlNK1gQLz:iSZUHvofSp7K2yzPJrA6Sg

Score

8^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

Blocklisted process makes network request 11 IoCs

flow	pid	Process
4	2088	rundll32.exe
6	2088	rundll32.exe
8	2088	rundll32.exe
10	2088	rundll32.exe
12	2088	rundll32.exe
15	2088	rundll32.exe
17	2088	rundll32.exe
18	2088	rundll32.exe
20	2088	rundll32.exe
22	2088	rundll32.exe
24	2088	rundll32.exe

Executes dropped EXE 1 IoCs

pid	Process
1904	ex.exe

Loads dropped DLL 6 IoCs

pid	Process
3064	f57f8ef154d2a571e2920e1df7120fb0_JaffaCakes118.exe
3064	f57f8ef154d2a571e2920e1df7120fb0_JaffaCakes118.exe
2088	rundll32.exe
2088	rundll32.exe
2088	rundll32.exe
2088	rundll32.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinNew = "rundll32 \"C:\\Users\\Admin\\AppData\\Local\\winexe.dll\",run"	rundll32.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3064-0-0x0000000000400000-0x000000000042A000-memory.dmp	upx
behavioral1/memory/3064-12-0x0000000000400000-0x000000000042A000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 3 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	f57f8ef154d2a571e2920e1df7120fb0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ex.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	rundll32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 0400000001000000100000000cd2f9e0da1773e9ed864da5e370e74e14000000010000001400000079b459e67bb6e5e40173800888c81a58f6e99b6e030000000100000014000000cabd2a79a1076a31f21d253635cb039d4329a5e80f00000001000000200000003f0411ede9c4477057d57e57883b1f205b20cdc0f3263129b1ee0269a2678f631900000001000000100000002fe1f70bb05d7c92335bc5e05b984da620000000010000006f0500003082056b30820353a0030201020211008210cfb0d240e3594463e0bb63828b00300d06092a864886f70d01010b0500304f310b300906035504061302555331293027060355040a1320496e7465726e65742053656375726974792052657365617263682047726f7570311530130603550403130c4953524720526f6f74205831301e170d3135303630343131303433385a170d3335303630343131303433385a304f310b300906035504061302555331293027060355040a1320496e7465726e65742053656375726974792052657365617263682047726f7570311530130603550403130c4953524720526f6f7420583130820222300d06092a864886f70d01010105000382020f003082020a0282020100ade82473f41437f39b9e2b57281c87bedcb7df38908c6e3ce657a078f775c2a2fef56a6ef6004f28dbde68866c4493b6b163fd14126bbf1fd2ea319b217ed1333cba48f5dd79dfb3b8ff12f1219a4bc18a8671694a66666c8f7e3c70bfad292206f3e4c0e680aee24b8fb7997e94039fd347977c99482353e838ae4f0a6f832ed149578c8074b6da2fd0388d7b0370211b75f2303cfa8faeddda63abeb164fc28e114b7ecf0be8ffb5772ef4b27b4ae04c12250c708d0329a0e15324ec13d9ee19bf10b34a8c3f89a36151deac870794f46371ec2ee26f5b9881e1895c34796c76ef3b906279e6dba49a2f26c5d010e10eded9108e16fbb7f7a8f7c7e50207988f360895e7e237960d36759efb0e72b11d9bbc03f94905d881dd05b42ad641e9ac0176950a0fd8dfd5bd121f352f28176cd298c1a80964776e4737baceac595e689d7f72d689c50641293e593edd26f524c911a75aa34c401f46a199b5a73a516e863b9e7d72a712057859ed3e5178150b038f8dd02f05b23e7b4a1c4b730512fcc6eae050137c439374b3ca74e78e1f0108d030d45b7136b407bac130305c48b7823b98a67d608aa2a32982ccbabd83041ba2830341a1d605f11bc2b6f0a87c863b46a8482a88dc769a76bf1f6aa53d198feb38f364dec82b0d0a28fff7dbe21542d422d0275de179fe18e77088ad4ee6d98b3ac6dd27516effbc64f533434f0203010001a3423040300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff301d0603551d0e0416041479b459e67bb6e5e40173800888c81a58f6e99b6e300d06092a864886f70d01010b05000382020100551f58a9bcb2a850d00cb1d81a6920272908ac61755c8a6ef882e5692fd5f6564bb9b8731059d321977ee74c71fbb2d260ad39a80bea17215685f1500e59ebcee059e9bac915ef869d8f8480f6e4e99190dc179b621b45f06695d27c6fc2ea3bef1fcfcbd6ae27f1a9b0c8aefd7d7e9afa2204ebffd97fea912b22b1170e8ff28a345b58d8fc01c954b9b826cc8a8833894c2d843c82dfee965705ba2cbbf7c4b7c74e3b82be31c822737392d1c280a43939103323824c3c9f86b255981dbe29868c229b9ee26b3b573a82704ddc09c789cb0a074d6ce85d8ec9efceabc7bbb52b4e45d64ad026cce572ca086aa595e315a1f7a4edc92c5fa5fbffac28022ebed77bbbe3717b9016d3075e46537c3707428cd3c4969cd599b52ae0951a8048ae4c3907cecc47a452952bbab8fbadd233537de51d4d6dd5a1b1c7426fe64027355ca328b7078de78d3390e7239ffb509c796c46d5b415b3966e7e9b0c963ab8522d3fd65be1fb08c284fe24a8a389daac6ae1182ab1a843615bd31fdc3b8d76f22de88d75df17336c3d53fb7bcb415fffdca2d06138e196b8ac5d8b37d775d533c09911ae9d41c1727584be0241425f67244894d19b27be073fb9b84f817451e17ab7ed9d23e2bee0d52804133c31039edd7a6c8fc60718c67fde478e3f289e0406cfa5543477bdec899be91743df5bdb5ffe8e1e57a2cd409d7e6222dade1827	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3064 wrote to memory of 1904	3064	f57f8ef154d2a571e2920e1df7120fb0_JaffaCakes118.exe	30
PID 3064 wrote to memory of 1904	3064	f57f8ef154d2a571e2920e1df7120fb0_JaffaCakes118.exe	30
PID 3064 wrote to memory of 1904	3064	f57f8ef154d2a571e2920e1df7120fb0_JaffaCakes118.exe	30
PID 3064 wrote to memory of 1904	3064	f57f8ef154d2a571e2920e1df7120fb0_JaffaCakes118.exe	30
PID 1904 wrote to memory of 2088	1904	ex.exe	31
PID 1904 wrote to memory of 2088	1904	ex.exe	31
PID 1904 wrote to memory of 2088	1904	ex.exe	31
PID 1904 wrote to memory of 2088	1904	ex.exe	31
PID 1904 wrote to memory of 2088	1904	ex.exe	31
PID 1904 wrote to memory of 2088	1904	ex.exe	31
PID 1904 wrote to memory of 2088	1904	ex.exe	31

C:\Users\Admin\AppData\Local\Temp\f57f8ef154d2a571e2920e1df7120fb0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f57f8ef154d2a571e2920e1df7120fb0_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3064
- C:\Users\Admin\AppData\Local\Temp\ex.exe
  ex.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1904
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32 winexe.dll,run
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Modifies system certificate store
    PID:2088

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

2

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

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\Temp\CabB711.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarB7C0.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\winexe.dll

Filesize
152KB

MD5
4f22ebbe5af5942ff949a763d9163399

SHA1
964a07ec023991cb6f70a5290215cb3edb6b1fa5

SHA256
91c8906c6b47912d4f24401b5338aa14eda37746a64253acb221afae941c42f3

SHA512
21f0980c0dc63f067d9a6e28df03ca8c6f006b7bba081c4c367bde37d40c1b66c5a314998fba2057cfcce7cda5c08b58d2ce6377b8d3e60fa623ab1b4f5f02e5

Download Submit
\Users\Admin\AppData\Local\Temp\ex.exe

Filesize
39KB

MD5
aec348907c97c62f65de8e3e09cf2f03

SHA1
8ad4d10ce122c20142a321b7447d5dbbb03337f6

SHA256
dabd91d0c58002382a5458661b0e3a8a8fe662fdbf07cca1375a42c893104bb1

SHA512
60c0c79023d10b23e8423e4300f8131bde229d1786bce5356234f9dbe3861a6e3043b26c5d71c556051247559034ee5deeabc7bbfd4dec9e6ad00294548901fe

Download Submit
memory/1904-57-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1904-59-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2088-58-0x0000000044550000-0x000000004457A000-memory.dmp

Filesize
168KB

Download
memory/3064-0-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/3064-12-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads