c122f218c8360f6193e22fd219b67b16fcb6d297ccdd912920e544db419d462b

General

Target

a56d71c69da76feb4638c4832b8c01c6_JaffaCakes118.exe
Size

1.5MB
MD5

a56d71c69da76feb4638c4832b8c01c6
SHA1

fdfd56f0cb7c0484225e8c3c9fec32220361c940
SHA256

c122f218c8360f6193e22fd219b67b16fcb6d297ccdd912920e544db419d462b
SHA512

293fcc746cf10f2ff6b359dd341c1acbb7d6463613a8058c453dbd65523c040492dbb29f2dbced11accdfa29f2d5b87716ba0cb703465289c037ce38aab2a14c
SSDEEP

24576:LVBCm8wiA27mwdfZFpqW0CN0P58jNPK/GQ88G08yGLWXZzqeqWlCAPl:LVsDwidfJ0R8hK/GB8P8JLWXBRlT9

Score

10^/10

discovery evasion persistence trojan

Malware Config

Signatures

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	G_BUSTTER.exe

Disables Task Manager via registry modification
evasion

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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	a56d71c69da76feb4638c4832b8c01c6_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
1728	G_BUSTTER.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\G_BUSTTER = "C:\\G_BUSTTER.exe"	G_BUSTTER.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	G_BUSTTER.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	G_BUSTTER.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a56d71c69da76feb4638c4832b8c01c6_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4928 wrote to memory of 1728	4928	a56d71c69da76feb4638c4832b8c01c6_JaffaCakes118.exe	93
PID 4928 wrote to memory of 1728	4928	a56d71c69da76feb4638c4832b8c01c6_JaffaCakes118.exe	93
PID 4928 wrote to memory of 1728	4928	a56d71c69da76feb4638c4832b8c01c6_JaffaCakes118.exe	93

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	G_BUSTTER.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	G_BUSTTER.exe

C:\Users\Admin\AppData\Local\Temp\a56d71c69da76feb4638c4832b8c01c6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a56d71c69da76feb4638c4832b8c01c6_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4928
- C:\G_BUSTTER.exe
  "C:\G_BUSTTER.exe"
  2⤵
  - UAC bypass
  - Executes dropped EXE
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - System policy modification
  PID:1728

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=4468,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=4120 /prefetch:8
1⤵
PID:2416

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\G_BUSTTER.exe

Filesize
2.2MB

MD5
15e3ef859d9bdfee055d9f833605784a

SHA1
4243d12327d769030583c59b6d372e78594c85f8

SHA256
fc74bfd8b9fa90e2acce2b5badd3bf537408e3f87da8ebde679f22ea214d0b83

SHA512
37a18606544b065b220040cc49abbbf783710c36d5274e6f91df393d4f0e719e7dceac94253d46570ee6b500b797a04cde63dff46d5db4af83e973b4fd7d0ed5

Download Submit
C:\libmySQL50.dll

Filesize
1.4MB

MD5
51b4cecfb4c9ca5bf38215744e5df39d

SHA1
6e2b8eed69064ff617aaf8a411e0f627fb59eac5

SHA256
d4afdbc3b6169128c7752936d9ee4aefe6a435ab3d0ef0d9eb12d5a1bb1e11ad

SHA512
74d1e9e7da3035a9dda6bdd9fcc3650cecbfb122cc09d6f4ba231982be5c5342cba23e7d00aac10c012673c562596a23e89cb9fccdeb42743ce026122121fe50

Download Submit
memory/1728-17-0x0000000000960000-0x0000000000961000-memory.dmp

Filesize
4KB

Download
memory/1728-21-0x0000000000960000-0x0000000000961000-memory.dmp

Filesize
4KB

Download
memory/1728-20-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/1728-22-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/1728-27-0x0000000000400000-0x0000000000645000-memory.dmp

Filesize
2.3MB

Download
memory/4928-16-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads