8f1be4d249817876e6bbb833b24c8a052549578aa8d3c4d17f28dbdc5e548d19

General

Target

f982bb575ba66968c52bee025037085c_JaffaCakes118.exe
Size

191KB
MD5

f982bb575ba66968c52bee025037085c
SHA1

e378fbbc27e03a6756ff6c31ca147f15b879f899
SHA256

8f1be4d249817876e6bbb833b24c8a052549578aa8d3c4d17f28dbdc5e548d19
SHA512

5032dd00e23ec8ba841f876d52188aecad197bb4986acea6d358593be8c03fca0542d7b529e04d20f26d42913707299c49bdd03a74e159305f23b9944b5c0482
SSDEEP

3072:n5eiXBEtdBcTBhbtjk0PiQWceVm7rSJDx6VxIo/YeylXe4dJM:oM2lEhbNjM7T0Vmo/slpq

Score

10^/10

discovery persistence upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\dwm.exe"	f982bb575ba66968c52bee025037085c_JaffaCakes118.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/436-2-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/4412-8-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/4412-13-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/436-14-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/3204-86-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/3204-87-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/436-146-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/436-185-0x0000000000400000-0x0000000000490000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 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	f982bb575ba66968c52bee025037085c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 436 wrote to memory of 4412	436	f982bb575ba66968c52bee025037085c_JaffaCakes118.exe	82
PID 436 wrote to memory of 4412	436	f982bb575ba66968c52bee025037085c_JaffaCakes118.exe	82
PID 436 wrote to memory of 4412	436	f982bb575ba66968c52bee025037085c_JaffaCakes118.exe	82
PID 436 wrote to memory of 3204	436	f982bb575ba66968c52bee025037085c_JaffaCakes118.exe	87
PID 436 wrote to memory of 3204	436	f982bb575ba66968c52bee025037085c_JaffaCakes118.exe	87
PID 436 wrote to memory of 3204	436	f982bb575ba66968c52bee025037085c_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\f982bb575ba66968c52bee025037085c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f982bb575ba66968c52bee025037085c_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:436
- C:\Users\Admin\AppData\Local\Temp\f982bb575ba66968c52bee025037085c_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f982bb575ba66968c52bee025037085c_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  PID:4412
- C:\Users\Admin\AppData\Local\Temp\f982bb575ba66968c52bee025037085c_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f982bb575ba66968c52bee025037085c_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  PID:3204

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

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\Roaming\1EA4.C21

Filesize
1KB

MD5
872aa87bfc8d8529f70446e1e642f25d

SHA1
cd4fa6db161b4ad4250166303e6576a69e9a608c

SHA256
fc4b4c3e4606d40ff883a07fae2289c6a9de86c431f42970c334c6721d752757

SHA512
98f19b0a983ec2089698aa894c1740589e738050bb9f64bf0a441025b7ac2b9309c6ce95e4a3130259e3004234df9279b19ba922551413674f5b640b396af13d

Download Submit
C:\Users\Admin\AppData\Roaming\1EA4.C21

Filesize
600B

MD5
a21d1bc4780015f703b2931eac972c7b

SHA1
71d73f88a2ea7601d9bae8ee75e22704052d0181

SHA256
b1615228b1e6ab5ca09153dd0441f8d9f7d403637b2b01b6cb188e2b2a39e4fe

SHA512
b064cd4a556efcfb992ddf14a3f61a3ab9c15fc37374009a2c5c9807fbd3040f1edf4f84f23ad45d8f863b7be77f877c34efef4d9564a845db336e32f158ee7c

Download Submit
C:\Users\Admin\AppData\Roaming\1EA4.C21

Filesize
996B

MD5
2b949652ee8f8e8e21b64f8535b23b1b

SHA1
0dc7b6897f9c8a7f0ef85fba24a3eef79226df06

SHA256
b0cc68bd2fadce58944c55b429ad091573f952c43c1aebc9975ea87019f9fbfb

SHA512
072e97094ba2f9c1b73014a70339ecdb74ea44fc9660782d017d040e312e227a96fd8a4310a1156770ad02cae1a2015620e8daf2462b2758faba7e3d2bd96ecd

Download Submit
memory/436-1-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/436-2-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/436-14-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/436-146-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/436-185-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/3204-86-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/3204-87-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/4412-8-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/4412-13-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads