Malware Analysis Report

2025-04-14 02:56

Sample ID 240613-d4ct2swfpj
Target a3b005981f882b90259d4dfb1cf7316e_JaffaCakes118
SHA256 df988f0dd39f270e2d144079a0fb2187696a5cb4e714789400b03ab1808979dc
Tags
score
8/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
8/10

SHA256

df988f0dd39f270e2d144079a0fb2187696a5cb4e714789400b03ab1808979dc

Threat Level: Likely malicious

The file a3b005981f882b90259d4dfb1cf7316e_JaffaCakes118 was found to be: Likely malicious.

Malicious Activity Summary


Downloads MZ/PE file

Executes dropped EXE

Loads dropped DLL

Suspicious use of WriteProcessMemory

Suspicious behavior: GetForegroundWindowSpam

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-13 03:33

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 03:33

Reported

2024-06-13 03:36

Platform

win7-20240611-en

Max time kernel

142s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a3b005981f882b90259d4dfb1cf7316e_JaffaCakes118.exe"

Signatures

Downloads MZ/PE file

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-7Q64D.tmp\a3b005981f882b90259d4dfb1cf7316e_JaffaCakes118.tmp N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\is-7Q64D.tmp\a3b005981f882b90259d4dfb1cf7316e_JaffaCakes118.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2188 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\a3b005981f882b90259d4dfb1cf7316e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\is-7Q64D.tmp\a3b005981f882b90259d4dfb1cf7316e_JaffaCakes118.tmp
PID 2188 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\a3b005981f882b90259d4dfb1cf7316e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\is-7Q64D.tmp\a3b005981f882b90259d4dfb1cf7316e_JaffaCakes118.tmp
PID 2188 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\a3b005981f882b90259d4dfb1cf7316e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\is-7Q64D.tmp\a3b005981f882b90259d4dfb1cf7316e_JaffaCakes118.tmp
PID 2188 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\a3b005981f882b90259d4dfb1cf7316e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\is-7Q64D.tmp\a3b005981f882b90259d4dfb1cf7316e_JaffaCakes118.tmp
PID 2188 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\a3b005981f882b90259d4dfb1cf7316e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\is-7Q64D.tmp\a3b005981f882b90259d4dfb1cf7316e_JaffaCakes118.tmp
PID 2188 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\a3b005981f882b90259d4dfb1cf7316e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\is-7Q64D.tmp\a3b005981f882b90259d4dfb1cf7316e_JaffaCakes118.tmp
PID 2188 wrote to memory of 3036 N/A C:\Users\Admin\AppData\Local\Temp\a3b005981f882b90259d4dfb1cf7316e_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\is-7Q64D.tmp\a3b005981f882b90259d4dfb1cf7316e_JaffaCakes118.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\a3b005981f882b90259d4dfb1cf7316e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a3b005981f882b90259d4dfb1cf7316e_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\is-7Q64D.tmp\a3b005981f882b90259d4dfb1cf7316e_JaffaCakes118.tmp

"C:\Users\Admin\AppData\Local\Temp\is-7Q64D.tmp\a3b005981f882b90259d4dfb1cf7316e_JaffaCakes118.tmp" /SL5="$5014A,17909008,119808,C:\Users\Admin\AppData\Local\Temp\a3b005981f882b90259d4dfb1cf7316e_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 post.securestudies.com udp
US 165.193.78.234:80 post.securestudies.com tcp
US 165.193.78.234:80 post.securestudies.com tcp

Files

memory/2188-0-0x0000000000400000-0x0000000000427000-memory.dmp

memory/2188-2-0x0000000000401000-0x0000000000412000-memory.dmp

\Users\Admin\AppData\Local\Temp\is-7Q64D.tmp\a3b005981f882b90259d4dfb1cf7316e_JaffaCakes118.tmp

MD5 8cff4623ba6b804ae79e3b9a0e418191
SHA1 081c5718d2bd064209d423d4dc72f2e2abb53138
SHA256 3bc47878ad889969abb1783f79d9ff8fed3f4f2139c34f485183a34d14e71792
SHA512 83bee762bac56eca7b122321c9cbddaaf1cfdd6f14eda788ce62a6fb7b9665fb681b0e3569739ec9b17464beadcd39b9db26f905074d57b6ab328a53d5ce25e0

memory/3036-8-0x0000000000400000-0x000000000052C000-memory.dmp

\Users\Admin\AppData\Local\Temp\is-2957B.tmp\itdownload.dll

MD5 d82a429efd885ca0f324dd92afb6b7b8
SHA1 86bbdaa15e6fc5c7779ac69c84e53c43c9eb20ea
SHA256 b258c4d7d2113dee2168ed7e35568c8e03341e24e3eafc7a22a0d62e32122ef3
SHA512 5bf0c3b8fa5db63205a263c4fa5337188173248bef609ba4d03508c50db1fd1e336f3041ce96d78cc97659357a83e6e422f5b079d893a20a683270e05f5438df

memory/3036-12-0x0000000002160000-0x000000000219C000-memory.dmp

memory/2188-15-0x0000000000400000-0x0000000000427000-memory.dmp

memory/3036-16-0x0000000000400000-0x000000000052C000-memory.dmp

memory/3036-17-0x0000000002160000-0x000000000219C000-memory.dmp

memory/3036-21-0x0000000002160000-0x000000000219C000-memory.dmp

memory/3036-20-0x0000000000400000-0x000000000052C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 03:33

Reported

2024-06-13 03:36

Platform

win10v2004-20240508-en

Max time kernel

141s

Max time network

54s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a3b005981f882b90259d4dfb1cf7316e_JaffaCakes118.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\a3b005981f882b90259d4dfb1cf7316e_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a3b005981f882b90259d4dfb1cf7316e_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\is-QSPTP.tmp\a3b005981f882b90259d4dfb1cf7316e_JaffaCakes118.tmp

"C:\Users\Admin\AppData\Local\Temp\is-QSPTP.tmp\a3b005981f882b90259d4dfb1cf7316e_JaffaCakes118.tmp" /SL5="$600EA,17909008,119808,C:\Users\Admin\AppData\Local\Temp\a3b005981f882b90259d4dfb1cf7316e_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 post.securestudies.com udp
US 8.8.8.8:53 post.securestudies.com udp
US 8.8.8.8:53 rkverify.securestudies.com udp
US 8.8.8.8:53 rkverify.securestudies.com udp

Files

memory/2904-0-0x0000000000400000-0x0000000000427000-memory.dmp

memory/2904-2-0x0000000000401000-0x0000000000412000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-QSPTP.tmp\a3b005981f882b90259d4dfb1cf7316e_JaffaCakes118.tmp

MD5 8cff4623ba6b804ae79e3b9a0e418191
SHA1 081c5718d2bd064209d423d4dc72f2e2abb53138
SHA256 3bc47878ad889969abb1783f79d9ff8fed3f4f2139c34f485183a34d14e71792
SHA512 83bee762bac56eca7b122321c9cbddaaf1cfdd6f14eda788ce62a6fb7b9665fb681b0e3569739ec9b17464beadcd39b9db26f905074d57b6ab328a53d5ce25e0

memory/2004-6-0x0000000000400000-0x000000000052C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\is-NL8B1.tmp\itdownload.dll

MD5 d82a429efd885ca0f324dd92afb6b7b8
SHA1 86bbdaa15e6fc5c7779ac69c84e53c43c9eb20ea
SHA256 b258c4d7d2113dee2168ed7e35568c8e03341e24e3eafc7a22a0d62e32122ef3
SHA512 5bf0c3b8fa5db63205a263c4fa5337188173248bef609ba4d03508c50db1fd1e336f3041ce96d78cc97659357a83e6e422f5b079d893a20a683270e05f5438df

memory/2004-12-0x0000000003330000-0x000000000336C000-memory.dmp

memory/2904-14-0x0000000000400000-0x0000000000427000-memory.dmp

memory/2004-15-0x0000000000400000-0x000000000052C000-memory.dmp

memory/2004-16-0x0000000003330000-0x000000000336C000-memory.dmp

memory/2004-25-0x0000000003330000-0x000000000336C000-memory.dmp

memory/2004-28-0x0000000003330000-0x000000000336C000-memory.dmp

memory/2004-27-0x0000000000400000-0x000000000052C000-memory.dmp