76557b0f1da2b21272c8a141ead19e15851bc8ab104c59f50e6651ebebfcf379

Analysis

max time kernel
135s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/08/2024, 14:17

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b3cc763a76402e48178b277e21feb079_JaffaCakes118.exe
Size

10.0MB
MD5

b3cc763a76402e48178b277e21feb079
SHA1

e203fe02a0962b83f73895a1c03cbdac4a4953f8
SHA256

76557b0f1da2b21272c8a141ead19e15851bc8ab104c59f50e6651ebebfcf379
SHA512

4d448a4ead0e042d06d8b45a9c4c8c42522df6fb4b752e22b8b0876ac9c0eac924e30f9eb309422cdf81df5ffdfe18448f82da9f7bc97d2d863a7a8051f38a0c
SSDEEP

196608:UqvYPMj6hAXhmhSwkeUpuz3//Y1NvTdWBV36ZdtR6+fdnE7imhieu:paMjmYmhSbetIjTOK91nE7Rvu

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1196	firefox_plus.exe

Loads dropped DLL 4 IoCs

pid	Process
1196	firefox_plus.exe
1196	firefox_plus.exe
1196	firefox_plus.exe
1196	firefox_plus.exe

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 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	b3cc763a76402e48178b277e21feb079_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	firefox_plus.exe

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral2/files/0x0007000000023638-2.dat	nsis_installer_1

Modifies Internet Explorer settings 1 TTPs 6 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\DefaultScope = "{24588FA4-10F1-41D7-B19D-6E22361E47FA}"	b3cc763a76402e48178b277e21feb079_JaffaCakes118.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\SearchScopes\{24588FA4-10F1-41D7-B19D-6E22361E47FA}	b3cc763a76402e48178b277e21feb079_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{24588FA4-10F1-41D7-B19D-6E22361E47FA}\Codepage = "65001"	b3cc763a76402e48178b277e21feb079_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{24588FA4-10F1-41D7-B19D-6E22361E47FA}\DisplayName = "°Ù¶È"	b3cc763a76402e48178b277e21feb079_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{24588FA4-10F1-41D7-B19D-6E22361E47FA}\URL = "http://www.baidu.com/s?wd={searchTerms}&tn=site888_1_pg&cl=3&ie=utf-8"	b3cc763a76402e48178b277e21feb079_JaffaCakes118.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\SearchScopes	b3cc763a76402e48178b277e21feb079_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1196	firefox_plus.exe
1196	firefox_plus.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3132 wrote to memory of 1196	3132	b3cc763a76402e48178b277e21feb079_JaffaCakes118.exe	93
PID 3132 wrote to memory of 1196	3132	b3cc763a76402e48178b277e21feb079_JaffaCakes118.exe	93
PID 3132 wrote to memory of 1196	3132	b3cc763a76402e48178b277e21feb079_JaffaCakes118.exe	93

C:\Users\Admin\AppData\Local\Temp\b3cc763a76402e48178b277e21feb079_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b3cc763a76402e48178b277e21feb079_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:3132
- C:\Users\Admin\AppData\Local\Temp\nsk5271.tmp\firefox_plus.exe
  C:\Users\Admin\AppData\Local\Temp\nsk5271.tmp\firefox_plus.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:1196

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3824,i,6510295916244954942,10164894160290787457,262144 --variations-seed-version --mojo-platform-channel-handle=4400 /prefetch:8
1⤵
PID:4864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\Firefox\firefox_inst.dll

Filesize
44KB

MD5
30c96ef06b2d89ce7f32a0ab7e85017c

SHA1
5736361779aee705764d1b0bb8eb8a2f4c45da33

SHA256
e8513c2d35e821298b91e3226089ac66ab75e44c4c5afd436bac6f290e3fe843

SHA512
188aab49635e99831a99933dd55654dde107d7751b5612f9e27e7f2246aeedd6de0d6d8b0968fabdb253d9fb2a1745858e796bf6ac2091a6b0fd4df0142cefe1

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsk5271.tmp\firefox_plus.exe

Filesize
9.8MB

MD5
ba26cdeb3fd7f690ee82e9845c93fc40

SHA1
e68398de276f5e9af6df407c016a847543597405

SHA256
79d9047bb441a2880849d8e62410d463911dac4bad88393f004f2fa01715250d

SHA512
6041eb3576df60d633d91f4e10798cb4e96cb8a98172af52cdb32ab126f354a79414dfbe744102d948d467ce695eae5aeb84336ba562f66b5e62c1be94a0ec54

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsr5550.tmp\InstallOptions.dll

Filesize
12KB

MD5
08c82a46416a5e2b471d457968f53816

SHA1
3e3897c20b9e89b279b4764a633f67955bf8f09a

SHA256
435baf3b7282c9110697a4916834ef9371dd29fae6b4cb8e19c19eb126562dc9

SHA512
91e2055b91d04b2348a923cb298ac6ba3637de5038dc4f849c4d2f1665d17de9cd6eb6a97d42d0f894d65348c8fd8e79cd61b667ea5a78e8960347e8cc8db81d

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsr5550.tmp\System.dll

Filesize
10KB

MD5
61151aff8c92ca17b3fab51ce1ca7156

SHA1
68a02015863c2877a20c27da45704028dbaa7eff

SHA256
af15ef6479e5ac5752d139d1c477ec02def9077df897dadc8297005b3fc4999d

SHA512
4f5c943b7058910dc635bdcfadfea1d369c3d645239d1a52b030c21f43aac8e76549e52fd28e38ba5341d32aefe3c090dd8377d9e105ad77f71ab8870d8e326e

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsr5550.tmp\ioSpecial.ini

Filesize
630B

MD5
572fe2379712f8010a2d09d69797e74d

SHA1
c83163952edcb19ea9e9de7aee7418edfd327eb4

SHA256
ea52e8703194620a55634c1b733edbeb5f180815d3f4a07557220bf2ab1a21e2

SHA512
a3aa6dce15c2a0e763e702109cf263840066aab08c34d55d1361049a4f0201b3235f23d00d57e6ba9afa94d391f99b5ee5554090c621cee85c9ae5ccbdc9f400

Download Submit
memory/1196-13-0x0000000002710000-0x000000000271C000-memory.dmp

Filesize
48KB

Download