639f06203eb816f2b4ca16d8ad0cc22cb5b2954b39dd47d259b5cbd7985413b1

Analysis

max time kernel
118s
max time network
127s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09/09/2024, 23:42

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General

Target

d7488d904f5e9ff786bde969c68b9c72_JaffaCakes118.exe
Size

154KB
MD5

d7488d904f5e9ff786bde969c68b9c72
SHA1

3c6cce8aaa55b1715cf8188e49684c0cde89297b
SHA256

639f06203eb816f2b4ca16d8ad0cc22cb5b2954b39dd47d259b5cbd7985413b1
SHA512

4e41585fd9c11ce0557522dc47a3459fe91558d028e3885c0193a6f3a42afab7fbdb5b1b163e084efb4abadf14277e03b1fd18f4eaa2ad106865e5b07c32310e
SSDEEP

3072:DrAVguiZxHF02SOacgAf+9mzB7y7YRguXt:DWgVZ1vGAfL1X

Score

8^/10

discovery evasion spyware stealer trojan

Malware Config

Signatures

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
2192	updBC0F.tmp

Loads dropped DLL 1 IoCs

pid	Process
2924	d7488d904f5e9ff786bde969c68b9c72_JaffaCakes118.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	updBC0F.tmp

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\GroupPolicy	updBC0F.tmp
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	updBC0F.tmp

System Location Discovery: System Language Discovery 1 TTPs 2 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	updBC0F.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d7488d904f5e9ff786bde969c68b9c72_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2192	updBC0F.tmp
2192	updBC0F.tmp
2192	updBC0F.tmp
2192	updBC0F.tmp
2192	updBC0F.tmp
2192	updBC0F.tmp
2192	updBC0F.tmp
2192	updBC0F.tmp
2192	updBC0F.tmp
2192	updBC0F.tmp
2192	updBC0F.tmp
2192	updBC0F.tmp
2192	updBC0F.tmp
2192	updBC0F.tmp

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2924 wrote to memory of 2192	2924	d7488d904f5e9ff786bde969c68b9c72_JaffaCakes118.exe	31
PID 2924 wrote to memory of 2192	2924	d7488d904f5e9ff786bde969c68b9c72_JaffaCakes118.exe	31
PID 2924 wrote to memory of 2192	2924	d7488d904f5e9ff786bde969c68b9c72_JaffaCakes118.exe	31
PID 2924 wrote to memory of 2192	2924	d7488d904f5e9ff786bde969c68b9c72_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\d7488d904f5e9ff786bde969c68b9c72_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d7488d904f5e9ff786bde969c68b9c72_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2924
- C:\Users\Admin\AppData\Local\Temp\updBC0F.tmp
  "C:\Users\Admin\AppData\Local\Temp\updBC0F.tmp" --bpl="eyJpbnN0YWxsX3VybCI6ICJodHRwczovL2dvc29mdGRsLm1haWwucnUvc3dpdGNoZXJfcGRfM185LmV4ZSIsICJjb21tYW5kX2xpbmUiOiAiIiwgInRzIjogMTU0NTA2NzIwMiwgImNsaV92ZXIiOiAyLCAicXVlcnlfc3RyaW5nIjogInBhcnRuZXJpZD03ODkyNjMmdWFfcmZyPTEyOTczXzc4OTI2MyZhbV9kZWZhdWx0PTEmYW1pZ29faW5zdGFsbD0xJnBhcnRuZXJfbmV3X3VybD1odHRwJTNBJTJGJTJGc2V0c3RhdC5ydSUyRmFwaSUyRnNhdmVQb3N0YmFjayUzRnRva2VuJTNEWndxcndHZ2RDRCUyNnR5cGUlM0RyX25ld19ydS5leGUiLCAibG9jYXRpb25faWQiOiAibGFuZF9wYXJ0bmVyIn0="
  2⤵
  - Executes dropped EXE
  - Checks whether UAC is enabled
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2192

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Mail.Ru\Id

Filesize
38B

MD5
ea293a86df76c1b03002cada5cf05f83

SHA1
8b0a92a93bb7810aaab24aebca076d96e2c0e5ff

SHA256
685d658f46ad41ccf04dc87de7bb025c8a0453d79bc8e43d6658f3b2ae55fadb

SHA512
37e6725fd1e65dbad4678533e3a2a8d61cdf16da38beefff263b38220d1de5d45009b8cb79bdf53f819b3201a3847259e2cc79a9807f6606db0e3834e15906c6

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\Users\Admin\AppData\Local\Temp\updBC0F.tmp

Filesize
1.9MB

MD5
59ec4314e2a54053778d3862368d639c

SHA1
a6e7e4383d2a49460f90f46d81bf31260fb71a50

SHA256
8dca302c817de6eab1783ed87139cbe2c0da2be2ccc077cabac12ac3237dab91

SHA512
48ec36e24c66df5951a35ff366aa80b70aef005119438e1a97dcc81b21e726a4f1eb7e9000026a75811e1fd7ef51255df28647b30140d136af223acf4e968834

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