0ec20e64500f44e2e6522780231260a0f23f39ef575e5d76279029b539d49a5d

General

Target

cfe24cb8838f20a224f66b81d359aa8e_JaffaCakes118.exe
Size

323KB
MD5

cfe24cb8838f20a224f66b81d359aa8e
SHA1

053ee9b49573c3141d322ddf848fa204b0ba2c98
SHA256

0ec20e64500f44e2e6522780231260a0f23f39ef575e5d76279029b539d49a5d
SHA512

a35f395d1e30e3833d5134722745e352ccd477bed63f00b1ec427a150231f5f88470ea80c7fcd3ec783a0b40e9d9b951f0a17bc919ad8942e0634fe879aa755d
SSDEEP

6144:jB0DFutpHEBEbBiE5tfFwQVXS948MjuNU7MqKep8cR0GHK2Xny/7Dqdf/aS:jB0DFqF7BiCttwaa48MjuNKMM30R2ioz

Score

8^/10

discovery persistence

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	svlhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\system = "C:\\Windows\\csrss.exe"	svlhost.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	cfe24cb8838f20a224f66b81d359aa8e_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	svlhost.exe

Executes dropped EXE 3 IoCs

pid	Process
2476	svlhost.exe
4100	imtale.exe
3364	csrss.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\csrss.exe	svlhost.exe
File opened for modification	C:\Windows\csrss.exe	svlhost.exe

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 4 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	svlhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	imtale.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrss.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cfe24cb8838f20a224f66b81d359aa8e_JaffaCakes118.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	svlhost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2476	svlhost.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4492 wrote to memory of 2476	4492	cfe24cb8838f20a224f66b81d359aa8e_JaffaCakes118.exe	83
PID 4492 wrote to memory of 2476	4492	cfe24cb8838f20a224f66b81d359aa8e_JaffaCakes118.exe	83
PID 4492 wrote to memory of 2476	4492	cfe24cb8838f20a224f66b81d359aa8e_JaffaCakes118.exe	83
PID 4492 wrote to memory of 4100	4492	cfe24cb8838f20a224f66b81d359aa8e_JaffaCakes118.exe	85
PID 4492 wrote to memory of 4100	4492	cfe24cb8838f20a224f66b81d359aa8e_JaffaCakes118.exe	85
PID 4492 wrote to memory of 4100	4492	cfe24cb8838f20a224f66b81d359aa8e_JaffaCakes118.exe	85
PID 2476 wrote to memory of 3364	2476	svlhost.exe	90
PID 2476 wrote to memory of 3364	2476	svlhost.exe	90
PID 2476 wrote to memory of 3364	2476	svlhost.exe	90

C:\Users\Admin\AppData\Local\Temp\cfe24cb8838f20a224f66b81d359aa8e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cfe24cb8838f20a224f66b81d359aa8e_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4492
- C:\Users\Admin\AppData\Local\Temp\svlhost.exe
  "C:\Users\Admin\AppData\Local\Temp\svlhost.exe"
  2⤵
  - Adds policy Run key to start application
  - Checks computer location settings
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2476
- - C:\Windows\csrss.exe
    "C:\Windows\csrss.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3364
- C:\Users\Admin\AppData\Local\Temp\imtale.exe
  "C:\Users\Admin\AppData\Local\Temp\imtale.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4100

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

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\imtale.exe

Filesize
292KB

MD5
552acc406360f7844e79a3e6e3a859c8

SHA1
725cb325e53feaccff739f4fc86762dd5c5503cc

SHA256
8cf03331eaecd93d76103d62b04edcbd6593bd1c618b9137ca4d355a2936e848

SHA512
94dc4c1e09e80687d684743399983d56d432a02fda52cce4e0e23660886f1ab6501f2ced80c4e9024e63d6f8d56d952f8621c8ade6d9bca0876eb3ddf68ce3e6

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

Filesize
24KB

MD5
d4abdf905ff4b7936e66eaa4307c9c8a

SHA1
f6fcd7b087624f91586d8323efe2eaddb346492f

SHA256
e02097bba3ca04097d16766361e602366636a79f780fde28ba8ffe69aae2dc9d

SHA512
adb51faf55692cc25d6bdf5412efbacc932c5c2842a0d1668c2ecb4cacbc27fd9dc8fe4949dcfde5030ac589493a9081ee41f0b8daca8880654d62d91e150194

Download Submit
memory/4100-17-0x0000000000400000-0x000000000055F000-memory.dmp

Filesize
1.4MB

Download
memory/4100-21-0x00000000022D0000-0x00000000022D1000-memory.dmp

Filesize
4KB

Download
memory/4100-59-0x0000000000400000-0x000000000055F000-memory.dmp

Filesize
1.4MB

Download
memory/4100-60-0x00000000022D0000-0x00000000022D1000-memory.dmp

Filesize
4KB

Download
memory/4492-0-0x0000000000400000-0x000000000045279C-memory.dmp

Filesize
329KB

Download
memory/4492-20-0x0000000000400000-0x000000000045279C-memory.dmp

Filesize
329KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads