b5cec2e723d3963bef9e41b6330e5c9a913bf5a227d9b77c18d2c3f7656f1596

Analysis

max time kernel
133s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
05/05/2024, 09:16

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General

Target

903731b907e5052d1103a068f61bbde5_JaffaCakes118.exe
Size

330KB
MD5

903731b907e5052d1103a068f61bbde5
SHA1

fa0c6dcec3657d62a1173f2453ff1fa9fad0b916
SHA256

b5cec2e723d3963bef9e41b6330e5c9a913bf5a227d9b77c18d2c3f7656f1596
SHA512

49c8ecf30573fbf1cd9fb7bcf16a0e9ec5a61ea92db6ea46d2d68d203dc42295155902acc47d06632eae63a34730dd2368a3347c14ecdb1b8f6e534561f8b3f6
SSDEEP

3072:e53mQjJtnP5I09qgmBBAWgjSvwFV7dbptmM4eeJrDFb4b:emeJtna2qgmBNgQwN1cJHFMb

Score

10^/10

upx

Malware Config

Extracted

Credentials

Protocol: ftp
Host:
ftp.tripod.com
Port:
21
Username:
onthelinux
Password:
741852abc

Signatures

Checks computer location settings 2 TTPs 1 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-1-5-21-877519540-908060166-1852957295-1000\Control Panel\International\Geo\Nation	903731b907e5052d1103a068f61bbde5_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3696	jusched.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4948-0-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/files/0x0009000000022969-7.dat	upx
behavioral2/memory/4948-13-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/3696-14-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral2/memory/3696-16-0x0000000000400000-0x0000000000451000-memory.dmp	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\310baf57\310baf57	903731b907e5052d1103a068f61bbde5_JaffaCakes118.exe
File created	C:\Program Files (x86)\310baf57\jusched.exe	903731b907e5052d1103a068f61bbde5_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\Update23.job	903731b907e5052d1103a068f61bbde5_JaffaCakes118.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4948 wrote to memory of 3696	4948	903731b907e5052d1103a068f61bbde5_JaffaCakes118.exe	95
PID 4948 wrote to memory of 3696	4948	903731b907e5052d1103a068f61bbde5_JaffaCakes118.exe	95
PID 4948 wrote to memory of 3696	4948	903731b907e5052d1103a068f61bbde5_JaffaCakes118.exe	95

C:\Users\Admin\AppData\Local\Temp\903731b907e5052d1103a068f61bbde5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\903731b907e5052d1103a068f61bbde5_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4948
- C:\Program Files (x86)\310baf57\jusched.exe
  "C:\Program Files (x86)\310baf57\jusched.exe"
  2⤵
  - Executes dropped EXE
  PID:3696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\310baf57\310baf57

Filesize
17B

MD5
4d77d6b250ffb567743b8dbcdad695b8

SHA1
d5a8f98f9433f6d36c74df463cef3e2cf524462d

SHA256
7ec7a3a23890c3592f5b762aecf11adbf8831fad11b8048aedfa7315d599c5f2

SHA512
5655153049101fd67125d484c81f1ad30b44f36f00e3aabfe8d730a21661f4b394357b60da549289def4311b4cc7bd508d8fd6b8db254cd442b2152f8902bd71

Download Submit
C:\Program Files (x86)\310baf57\jusched.exe

Filesize
330KB

MD5
f165b58dc262743e5b2545b80eeeaca8

SHA1
cec5538a2aa0eef0d98f2f31c23de18fbfe4fe06

SHA256
6cbac9ae877ccffeff38056241bf2e3ce04ac1357c389771b1a5575272cab33b

SHA512
8c6b314da35d02a86a1eae3bcba5a8773beb1188bf3519dabd57977785357312735d2429eef143ec28036a4dc9d77365ca956e0c7f3f70e650dd429f30814fd8

Download Submit
memory/3696-14-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/3696-16-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4948-0-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4948-13-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download