a9a9f83473c54191c5808cbbd750c0c68eff54e1557d03a63eb2221dbb1578cb

Analysis

max time kernel
141s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13/06/2024, 14:30

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General

Target
a6079711221810049f272c6413315649_JaffaCakes118.exe
Size 14.2MB
Sample240613-rt7hkaxarn
SHA256 a9a9f83473c54191c5808cbbd750c0c68eff54e1557d03a63eb2221dbb1578cb
MD5 a6079711221810049f272c6413315649
SHA1 3e8b8a2ec3df40d708211b75e33dbcdc3357cdba
SHA512 981bf3872c2bcd9b9e980e3f51f1c6e06faddef708ec99d9d89ad25671b4e96a397d1889da633aaf8c1ad80d4df0d5fe7412bea5ea4d4ea9dc48ef6661cb457c
SSDEEP 393216:EDvAneSUpG/EvZdFf9Rz1GykEGmeZoLTIm1GQv:EDYnrmGshv9J1ReK91GQv
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1780	InstallTools.exe
2644	bytefence-installer-5.4.1.13.exe

Loads dropped DLL 2 IoCs

pid	Process
2644	bytefence-installer-5.4.1.13.exe
2644	bytefence-installer-5.4.1.13.exe

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

System Information Discovery
T1082

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral2/files/0x000800000002325b-5.dat	nsis_installer_1
behavioral2/files/0x000800000002325b-5.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1804 wrote to memory of 1780	1804	a6079711221810049f272c6413315649_JaffaCakes118.exe	90
PID 1804 wrote to memory of 1780	1804	a6079711221810049f272c6413315649_JaffaCakes118.exe	90
PID 1804 wrote to memory of 1780	1804	a6079711221810049f272c6413315649_JaffaCakes118.exe	90
PID 1804 wrote to memory of 2644	1804	a6079711221810049f272c6413315649_JaffaCakes118.exe	91
PID 1804 wrote to memory of 2644	1804	a6079711221810049f272c6413315649_JaffaCakes118.exe	91
PID 1804 wrote to memory of 2644	1804	a6079711221810049f272c6413315649_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\a6079711221810049f272c6413315649_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a6079711221810049f272c6413315649_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1804
- C:\Users\Admin\AppData\Local\Temp\InstallTools.exe
  "C:\Users\Admin\AppData\Local\Temp\InstallTools.exe" "C:\Users\Admin\AppData\Local\Temp\a6079711221810049f272c6413315649_JaffaCakes118.exe" Software\ByteFence INSNDE "C:\Users\Admin\AppData\Local\Temp\a6079711221810049f272c6413315649_JaffaCakes118.exe" /mode=s /url=logs.bytefence.com/event /product=Bytefence
  2⤵
  - Executes dropped EXE
  PID:1780
- C:\Users\Admin\AppData\Local\Temp\bytefence-installer-5.4.1.13.exe
  "C:\Users\Admin\AppData\Local\Temp\bytefence-installer-5.4.1.13.exe" /LM=3 /INSTEX /cd=12345 /thankyou /IGNORE="C:\Users\Admin\AppData\Local\Temp\a6079711221810049f272c6413315649_JaffaCakes118.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2644

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 --no-appcompat-clear --mojo-platform-channel-handle=1316 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
1⤵
PID:4196

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

InstallTools.exe

Path C:\Users\Admin\AppData\Local\Temp\InstallTools.exe
Size 274KB
SHA256 d7ffd96c98cdcd1bacbe7542b403d60a8b700ab8305de02738f1f1c2d98aa71f
MD5 7bfcafbcc8ee124ce3ea6b098105865a
SHA1 f404c9a50e0740e465106321012c3b7859c999dc
SHA512 02b873be813abc8a50b882bed60ad2c57ad6cba8f83984c30d2ca0b5dba6c5b6427d44626bd2689e179bff539160b78b3ff6b604d1d134a147e41c9861b1600c
SSDEEP 3072:0l7g2UXc+gHjgXqJV0BhZ1hgC5VQ+dVg6tsH3kksA7XDCEtXFD:SkxM+gE607ZEC5VFgkks4Xx9
MD5 SHA1 SHA512 SSDEEP

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bytefence-installer-5.4.1.13.exe

Path C:\Users\Admin\AppData\Local\Temp\bytefence-installer-5.4.1.13.exe
Size 14.1MB
SHA256 d0e366ae735c42b36783721309da2ff9fbb339f2dc3820493ee446dab380f97a
MD5 c96d3b8cc1f44bea02ce7e0597e08e91
SHA1 243917df14fee3f31bbe0f767e3ab330b35136de
SHA512 961f4c82d8900f6b3b4ddcccd5fc8d95cdacadab0a7ad45a524ffb67b09d0f4c71d79384d9d05dbc94fbf5bf8945efb74d54ffa7470918c3c87ce0a3df81a70d
SSDEEP 393216:OvAneSUpG/EvZdFf9Rz1GykEGmeZoLTIm1GQvH:OYnrmGshv9J1ReK91GQvH
MD5 SHA1 SHA512 SSDEEP

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System.dll

Path C:\Users\Admin\AppData\Local\Temp\nsl2CB9.tmp\System.dll
Size 11KB
SHA256 a0cac4cf4852895619bc7743ebeb89f9e4927ccdb9e66b1bcd92a4136d0f9c77
MD5 b0c77267f13b2f87c084fd86ef51ccfc
SHA1 f7543f9e9b4f04386dfbf33c38cbed1bf205afb3
SHA512 f2b57a2eea00f52a3c7080f4b5f2bb85a7a9b9f16d12da8f8ff673824556c62a0f742b72be0fd82a2612a4b6dbd7e0fdc27065212da703c2f7e28d199696f66e
SSDEEP 192:4PtkiQJr7jHYT87RfwXQ6YSYtOuVDi7IsFW14Ll8CO:H78TQIgGCDp14LGC
MD5 SHA1 SHA512 SSDEEP

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nsDialogs.dll

Path C:\Users\Admin\AppData\Local\Temp\nsl2CB9.tmp\nsDialogs.dll
Size 9KB
SHA256 062c75ad650548750564ffd7aef8cd553773b5c26cae7f25a5749b13165194e3
MD5 eac1c3707970fe7c71b2d760c34763fa
SHA1 f275e659ad7798994361f6ccb1481050aba30ff8
SHA512 3415bd555cf47407c0ae62be0dbcba7173d2b33a371bf083ce908fc901811adb888b7787d11eb9d99a1a739cbd9d1c66e565db6cd678bdadaf753fbda14ffd09
SSDEEP 96:oXHqZ4zC5RH3cXX1LlYlRowycxM2DjDf3GEst+Nt+jvDYx4AqndYHnxss:oXHq+CP3uKrpyREs06YxcdGn
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads