f31e9010f4c0ef6f58ab6a89931d03628d9fe1c896c7446b3db7a51fe085cfa1

General

Target

109da14f7ea14aca656fc404bd7e0d5c_JaffaCakes118.exe
Size

119KB
MD5

109da14f7ea14aca656fc404bd7e0d5c
SHA1

05135c035e406fd59d21eee22f0781eddb34dac4
SHA256

f31e9010f4c0ef6f58ab6a89931d03628d9fe1c896c7446b3db7a51fe085cfa1
SHA512

f77aa7a8e62a694ea063cd0a6c1b30670397d80e2e98c81df4cd165537301db7670efe1cc2f17db75304a37c8ba616680e967fcde90e0d075307746ba908967a
SSDEEP

3072:6zdYe6SkN2NsZQXw6QiLs3m1EplhRgKJFL:CySkNCsZvZm6plDL

Score

9^/10

discovery upx

Malware Config

Signatures

Detected Nirsoft tools 2 IoCs

Free utilities often used by attackers which can steal passwords, product keys, etc.

resource	yara_rule
behavioral1/memory/2328-24-0x0000000000400000-0x0000000000419000-memory.dmp	Nirsoft
behavioral1/memory/2328-28-0x0000000000400000-0x0000000000419000-memory.dmp	Nirsoft

Executes dropped EXE 3 IoCs

pid	Process
2328	im.exe
2100	pwha.exe
2924	astr.exe

Loads dropped DLL 15 IoCs

pid	Process
2512	109da14f7ea14aca656fc404bd7e0d5c_JaffaCakes118.exe
2512	109da14f7ea14aca656fc404bd7e0d5c_JaffaCakes118.exe
2512	109da14f7ea14aca656fc404bd7e0d5c_JaffaCakes118.exe
2512	109da14f7ea14aca656fc404bd7e0d5c_JaffaCakes118.exe
2512	109da14f7ea14aca656fc404bd7e0d5c_JaffaCakes118.exe
2512	109da14f7ea14aca656fc404bd7e0d5c_JaffaCakes118.exe
2512	109da14f7ea14aca656fc404bd7e0d5c_JaffaCakes118.exe
2512	109da14f7ea14aca656fc404bd7e0d5c_JaffaCakes118.exe
2512	109da14f7ea14aca656fc404bd7e0d5c_JaffaCakes118.exe
2512	109da14f7ea14aca656fc404bd7e0d5c_JaffaCakes118.exe
2512	109da14f7ea14aca656fc404bd7e0d5c_JaffaCakes118.exe
2512	109da14f7ea14aca656fc404bd7e0d5c_JaffaCakes118.exe
2512	109da14f7ea14aca656fc404bd7e0d5c_JaffaCakes118.exe
2512	109da14f7ea14aca656fc404bd7e0d5c_JaffaCakes118.exe
2512	109da14f7ea14aca656fc404bd7e0d5c_JaffaCakes118.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x00070000000186fd-6.dat	upx
behavioral1/memory/2328-24-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral1/memory/2100-46-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/files/0x0007000000012116-44.dat	upx
behavioral1/memory/2512-42-0x0000000001F70000-0x0000000001F85000-memory.dmp	upx
behavioral1/memory/2512-29-0x0000000001F70000-0x0000000001F85000-memory.dmp	upx
behavioral1/memory/2328-28-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral1/memory/2100-67-0x0000000000400000-0x0000000000415000-memory.dmp	upx

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	im.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pwha.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	astr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	109da14f7ea14aca656fc404bd7e0d5c_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2924	astr.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 2328	2512	109da14f7ea14aca656fc404bd7e0d5c_JaffaCakes118.exe	30
PID 2512 wrote to memory of 2328	2512	109da14f7ea14aca656fc404bd7e0d5c_JaffaCakes118.exe	30
PID 2512 wrote to memory of 2328	2512	109da14f7ea14aca656fc404bd7e0d5c_JaffaCakes118.exe	30
PID 2512 wrote to memory of 2328	2512	109da14f7ea14aca656fc404bd7e0d5c_JaffaCakes118.exe	30
PID 2512 wrote to memory of 2100	2512	109da14f7ea14aca656fc404bd7e0d5c_JaffaCakes118.exe	31
PID 2512 wrote to memory of 2100	2512	109da14f7ea14aca656fc404bd7e0d5c_JaffaCakes118.exe	31
PID 2512 wrote to memory of 2100	2512	109da14f7ea14aca656fc404bd7e0d5c_JaffaCakes118.exe	31
PID 2512 wrote to memory of 2100	2512	109da14f7ea14aca656fc404bd7e0d5c_JaffaCakes118.exe	31
PID 2512 wrote to memory of 2924	2512	109da14f7ea14aca656fc404bd7e0d5c_JaffaCakes118.exe	32
PID 2512 wrote to memory of 2924	2512	109da14f7ea14aca656fc404bd7e0d5c_JaffaCakes118.exe	32
PID 2512 wrote to memory of 2924	2512	109da14f7ea14aca656fc404bd7e0d5c_JaffaCakes118.exe	32
PID 2512 wrote to memory of 2924	2512	109da14f7ea14aca656fc404bd7e0d5c_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\109da14f7ea14aca656fc404bd7e0d5c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\109da14f7ea14aca656fc404bd7e0d5c_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Users\Admin\AppData\Local\Temp\im.exe
  "C:\Users\Admin\AppData\Local\Temp\im.exe" /stext im.txt
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2328
- C:\Users\Admin\AppData\Local\Temp\pwha.exe
  "C:\Users\Admin\AppData\Local\Temp\pwha.exe" /stext pww.txt
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2100
- C:\Users\Admin\AppData\Local\Temp\astr.exe
  "C:\Users\Admin\AppData\Local\Temp\astr.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2924

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

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\Temp\pwha.exe

Filesize
31KB

MD5
483e560f1527bd2c3e1124ce0756bc17

SHA1
55d285d22c88a63236fa9d461536a34809edd20d

SHA256
6633c5afc2d0f67d28d23d255cb5640389617b7a0e9f67a0ec1d1d8c7a074511

SHA512
3642a2dda07d6c09d22646d0334089d85792b9eb7199541ae449c08f587bf2fc35dea83d1207efda8108c2603f01c2d7ae0708593352bbb17d0f9a9a62d86cd4

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

Filesize
28KB

MD5
3ec2034c581d204b309c9e3bb0df6385

SHA1
7e58247ec023ec4f55010bc79c9268fed2d4191e

SHA256
711a85e1348ec2f2a50271501113573f250c131c5f4fe8d32ec2d166f6ef8fd7

SHA512
bc00d298fbed0f13c9e9b5c2ae9571513e73ac316ce360274b59038968e9a2a04271adf72c887457f202df51af644d43ffd901bcb45aedebf2a0d943c5efc872

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

Filesize
41KB

MD5
623a6a486569c3a808005d5ec9a325c0

SHA1
9c99561c36a46db84df61484ded3e44c0c832fb6

SHA256
6de0689a21855d5f761bb72688180bd47ee6d01be9f21fb65c337419ee1c94e9

SHA512
c592f3f14cc1b332af16e73311febda56380d8f22f0f246ce16e6b13e89710c5f28cabdcd2fe39b65d6f9117173a7bec01520352dd364dfabb6d5caeb785fe02

Download Submit
memory/2100-46-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2100-67-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2328-24-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2328-28-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2512-12-0x0000000002900000-0x0000000002919000-memory.dmp

Filesize
100KB

Download
memory/2512-21-0x0000000002900000-0x0000000002919000-memory.dmp

Filesize
100KB

Download
memory/2512-43-0x0000000001F80000-0x0000000001F95000-memory.dmp

Filesize
84KB

Download
memory/2512-42-0x0000000001F70000-0x0000000001F85000-memory.dmp

Filesize
84KB

Download
memory/2512-29-0x0000000001F70000-0x0000000001F85000-memory.dmp

Filesize
84KB

Download

Analysis

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