3192a0924582bbd242e6b4f9f95930864af791cdcce611dc033f21ad5594737b

General

Target

JaffaCakes118_8a9a0f0d3ca9ae6e751aab80a08a3914.exe
Size

1.8MB
MD5

8a9a0f0d3ca9ae6e751aab80a08a3914
SHA1

22c97d5a76a9bec670f443ff7a03549a1ab81a38
SHA256

3192a0924582bbd242e6b4f9f95930864af791cdcce611dc033f21ad5594737b
SHA512

2d607ea11d067be3ee89b98473e81de84108e2a2c856fe2a2e229fcfb7e24152ea2e1019feeeb82f6a0b1bdb18faed22894e3f3cf8595e6b51f6349a0079e02f
SSDEEP

49152:1qi5XinMRj11rQRf5v/MPFvrzRf5BJcDVaeP7VQ:IOynMH1rI/CdrzVRcD1y

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2752	JaffaCakes118_8a9a0f0d3ca9ae6e751aab80a08a3914.tmp
3044	srclient.exe

Loads dropped DLL 6 IoCs

pid	Process
2412	JaffaCakes118_8a9a0f0d3ca9ae6e751aab80a08a3914.exe
2752	JaffaCakes118_8a9a0f0d3ca9ae6e751aab80a08a3914.tmp
2752	JaffaCakes118_8a9a0f0d3ca9ae6e751aab80a08a3914.tmp
2752	JaffaCakes118_8a9a0f0d3ca9ae6e751aab80a08a3914.tmp
2752	JaffaCakes118_8a9a0f0d3ca9ae6e751aab80a08a3914.tmp
2752	JaffaCakes118_8a9a0f0d3ca9ae6e751aab80a08a3914.tmp

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\P:	srclient.exe
File opened (read-only)	\??\X:	srclient.exe
File opened (read-only)	\??\Z:	srclient.exe
File opened (read-only)	\??\B:	srclient.exe
File opened (read-only)	\??\G:	srclient.exe
File opened (read-only)	\??\L:	srclient.exe
File opened (read-only)	\??\O:	srclient.exe
File opened (read-only)	\??\S:	srclient.exe
File opened (read-only)	\??\V:	srclient.exe
File opened (read-only)	\??\Y:	srclient.exe
File opened (read-only)	\??\H:	srclient.exe
File opened (read-only)	\??\J:	srclient.exe
File opened (read-only)	\??\M:	srclient.exe
File opened (read-only)	\??\Q:	srclient.exe
File opened (read-only)	\??\R:	srclient.exe
File opened (read-only)	\??\T:	srclient.exe
File opened (read-only)	\??\U:	srclient.exe
File opened (read-only)	\??\W:	srclient.exe
File opened (read-only)	\??\E:	srclient.exe
File opened (read-only)	\??\K:	srclient.exe
File opened (read-only)	\??\N:	srclient.exe
File opened (read-only)	\??\A:	srclient.exe
File opened (read-only)	\??\I:	srclient.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\FUJITSU Laptop Remote Desktop\unins000.dat	JaffaCakes118_8a9a0f0d3ca9ae6e751aab80a08a3914.tmp
File created	C:\Program Files (x86)\FUJITSU Laptop Remote Desktop\is-EHOR5.tmp	JaffaCakes118_8a9a0f0d3ca9ae6e751aab80a08a3914.tmp
File opened for modification	C:\Program Files (x86)\FUJITSU Laptop Remote Desktop\unins000.dat	JaffaCakes118_8a9a0f0d3ca9ae6e751aab80a08a3914.tmp

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	JaffaCakes118_8a9a0f0d3ca9ae6e751aab80a08a3914.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_8a9a0f0d3ca9ae6e751aab80a08a3914.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	srclient.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2752	JaffaCakes118_8a9a0f0d3ca9ae6e751aab80a08a3914.tmp
2752	JaffaCakes118_8a9a0f0d3ca9ae6e751aab80a08a3914.tmp

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2752	JaffaCakes118_8a9a0f0d3ca9ae6e751aab80a08a3914.tmp
3044	srclient.exe
3044	srclient.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3044	srclient.exe
3044	srclient.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 2752	2412	JaffaCakes118_8a9a0f0d3ca9ae6e751aab80a08a3914.exe	30
PID 2412 wrote to memory of 2752	2412	JaffaCakes118_8a9a0f0d3ca9ae6e751aab80a08a3914.exe	30
PID 2412 wrote to memory of 2752	2412	JaffaCakes118_8a9a0f0d3ca9ae6e751aab80a08a3914.exe	30
PID 2412 wrote to memory of 2752	2412	JaffaCakes118_8a9a0f0d3ca9ae6e751aab80a08a3914.exe	30
PID 2412 wrote to memory of 2752	2412	JaffaCakes118_8a9a0f0d3ca9ae6e751aab80a08a3914.exe	30
PID 2412 wrote to memory of 2752	2412	JaffaCakes118_8a9a0f0d3ca9ae6e751aab80a08a3914.exe	30
PID 2412 wrote to memory of 2752	2412	JaffaCakes118_8a9a0f0d3ca9ae6e751aab80a08a3914.exe	30
PID 2752 wrote to memory of 3044	2752	JaffaCakes118_8a9a0f0d3ca9ae6e751aab80a08a3914.tmp	32
PID 2752 wrote to memory of 3044	2752	JaffaCakes118_8a9a0f0d3ca9ae6e751aab80a08a3914.tmp	32
PID 2752 wrote to memory of 3044	2752	JaffaCakes118_8a9a0f0d3ca9ae6e751aab80a08a3914.tmp	32
PID 2752 wrote to memory of 3044	2752	JaffaCakes118_8a9a0f0d3ca9ae6e751aab80a08a3914.tmp	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8a9a0f0d3ca9ae6e751aab80a08a3914.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8a9a0f0d3ca9ae6e751aab80a08a3914.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Users\Admin\AppData\Local\Temp\is-MCMLG.tmp\JaffaCakes118_8a9a0f0d3ca9ae6e751aab80a08a3914.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-MCMLG.tmp\JaffaCakes118_8a9a0f0d3ca9ae6e751aab80a08a3914.tmp" /SL5="$40150,1636687,54272,C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8a9a0f0d3ca9ae6e751aab80a08a3914.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:2752
- - C:\Users\Admin\AppData\Local\FUJITSU Laptop Remote Desktop\srclient.exe
    "C:\Users\Admin\AppData\Local\FUJITSU Laptop Remote Desktop\srclient.exe"
    3⤵
    - Executes dropped EXE
    - Enumerates connected drives
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:3044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\FUJITSU Laptop Remote Desktop\update.dll

Filesize
976B

MD5
eaf87373db1ae0a65a19ef0bb282a9b3

SHA1
c34a7507b3b24fd1f4acad0f13e4933aa5f4141f

SHA256
2c993fb14da80457c1444bbcc6a3a2402b23ff8b1f00497044db09e27969bb31

SHA512
c3fad983e8ea83fb6447eddd72a092330f61ae690d3c5979d14669786569ffe98bdb83f545a95e11a380e28f03e0d1c07f5f7c89c9873c1095968eb157fb4b83

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-MCMLG.tmp\JaffaCakes118_8a9a0f0d3ca9ae6e751aab80a08a3914.tmp

Filesize
689KB

MD5
15430669556c2062ceadd5b125e8cea7

SHA1
276c5f36876a783a01ef10b9df39fa0efe3e296a

SHA256
64db719c67988b106bf2d1a5b842445e8ff9b6436be28bcaa0b8876d330f8168

SHA512
2c2a87d34922d747827a2c77813ebfe9923bdd80cd4be909f8da3c8a4dc3a079c049db74c8bc36edd38663ee4635cdd0fda4f9cd2adc3b40d426066611206f39

Download Submit
\Program Files (x86)\FUJITSU Laptop Remote Desktop\unins000.exe

Filesize
699KB

MD5
d737858b40b1716fafc5f30ec0754c52

SHA1
c27f1a93f74b8e1df5eb10a284514e5c5bd4707c

SHA256
a2eb169fc3ccb21023001e13af98328b3cbd698c724173abc47f67a379294f92

SHA512
3b17a334c4f1934cd13ac1db08b25b8a5f77195709032fd1ec1dfc655ea3ffa79c3bd033afb8a04c97c0d5528dbd21a84b62a7bc1828ff9be47622499ec138f7

Download Submit
\Users\Admin\AppData\Local\FUJITSU Laptop Remote Desktop\srclient.exe

Filesize
2.5MB

MD5
008713733e231be9fb72ad8840075080

SHA1
a2a28580b4e9f867a0959d078eb434e2594b6271

SHA256
be431d5dcd67cad3b760971cf978125196d8e6a1699ce6c83f823cc101af9547

SHA512
0332cef75d97c86fe7835b122d3e8e2e8b28d1fc46a8148b77af0f6184f1d86f0030221361555f189cbdd8f62375fc70da19e9d6c291d02697c58287e3406293

Download Submit
\Users\Admin\AppData\Local\Temp\is-8RS25.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/2412-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2412-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2412-2-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/2412-15-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2752-20-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2752-8-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2752-48-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2752-18-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2752-55-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2752-16-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/3044-57-0x0000000000400000-0x0000000000687000-memory.dmp

Filesize
2.5MB

Download
memory/3044-58-0x0000000000400000-0x0000000000687000-memory.dmp

Filesize
2.5MB

Download
memory/3044-66-0x0000000000400000-0x0000000000687000-memory.dmp

Filesize
2.5MB

Download

Analysis

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