e991c51418c508270f981d47f1b0459dfed6a644faae54eeae183a41c35bf667

General

Target

5161993718778d5102e9af8eb3ad342c_JaffaCakes118.exe
Size

4.2MB
MD5

5161993718778d5102e9af8eb3ad342c
SHA1

9a62b03c6d2fb625f9d92ae80d24a89f7b16104f
SHA256

e991c51418c508270f981d47f1b0459dfed6a644faae54eeae183a41c35bf667
SHA512

0c023417261f27e5e6408f6f5e57006a88e4153bd5a0b0b5d90bed22f80039685ff54dbbb7cd50f28e612a3d642c93bd4574bce4be70f829db3ab369b820b809
SSDEEP

98304:WwoRIqXAfJt102DXdmdA+1xgoGKPhNHiEhDCn0U8xF7Eev:MRJXAT102DXdmdA+1xgoGKiUCh0Pv

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1740	5161993718778d5102e9af8eb3ad342c_JaffaCakes118.tmp

Loads dropped DLL 5 IoCs

pid	Process
2312	5161993718778d5102e9af8eb3ad342c_JaffaCakes118.exe
1740	5161993718778d5102e9af8eb3ad342c_JaffaCakes118.tmp
1740	5161993718778d5102e9af8eb3ad342c_JaffaCakes118.tmp
1740	5161993718778d5102e9af8eb3ad342c_JaffaCakes118.tmp
1740	5161993718778d5102e9af8eb3ad342c_JaffaCakes118.tmp

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	5161993718778d5102e9af8eb3ad342c_JaffaCakes118.tmp
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	5161993718778d5102e9af8eb3ad342c_JaffaCakes118.tmp

Script User-Agent 1 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	7	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1740	5161993718778d5102e9af8eb3ad342c_JaffaCakes118.tmp

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 1740	2312	5161993718778d5102e9af8eb3ad342c_JaffaCakes118.exe	28
PID 2312 wrote to memory of 1740	2312	5161993718778d5102e9af8eb3ad342c_JaffaCakes118.exe	28
PID 2312 wrote to memory of 1740	2312	5161993718778d5102e9af8eb3ad342c_JaffaCakes118.exe	28
PID 2312 wrote to memory of 1740	2312	5161993718778d5102e9af8eb3ad342c_JaffaCakes118.exe	28
PID 2312 wrote to memory of 1740	2312	5161993718778d5102e9af8eb3ad342c_JaffaCakes118.exe	28
PID 2312 wrote to memory of 1740	2312	5161993718778d5102e9af8eb3ad342c_JaffaCakes118.exe	28
PID 2312 wrote to memory of 1740	2312	5161993718778d5102e9af8eb3ad342c_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\5161993718778d5102e9af8eb3ad342c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5161993718778d5102e9af8eb3ad342c_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2312
- C:\Users\Admin\AppData\Local\Temp\is-D8A72.tmp\5161993718778d5102e9af8eb3ad342c_JaffaCakes118.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-D8A72.tmp\5161993718778d5102e9af8eb3ad342c_JaffaCakes118.tmp" /SL5="$80022,3896000,115200,C:\Users\Admin\AppData\Local\Temp\5161993718778d5102e9af8eb3ad342c_JaffaCakes118.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\is-D8A72.tmp\5161993718778d5102e9af8eb3ad342c_JaffaCakes118.tmp

Filesize
1.1MB

MD5
963af29d268f2fec39870cb520ff986f

SHA1
a19a98d895eb14bb7043ece41d10d99ad8502bed

SHA256
9df1a3f9c6c8911d728fde5630d741b930468690828216acfb8a9e30e4caf905

SHA512
a3ebc5a7bb65adf34240cd0d2540e9420bd450a6e302bb3bc41c9d2e751a468400f4792709d65976d4766b4d49121b034254099b8181b67eee23ebeeb0f3b1b5

Download Submit
\Users\Admin\AppData\Local\Temp\is-BELVN.tmp\OptProHelper.dll

Filesize
1.2MB

MD5
f8effd4170e2d87ac5cbde8041b7ca35

SHA1
fa6d17177d7735ba2b3ecc419a2c948228c985a2

SHA256
3d7368ad358eabc3b6eec988fb5a0acf4acf112e3fb5ed2ef686ed05e2c6104d

SHA512
c01e4de0cae3d5c43a511c9abdfebe8b61a4dc129cbb075e8d8654255cf7dadd4c301aec12a1c78f442810b82ee81e97fb4754dd884316a27d3ce3873c11bdf0

Download Submit
\Users\Admin\AppData\Local\Temp\is-BELVN.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
\Users\Admin\AppData\Local\Temp\is-BELVN.tmp\itdownload.dll

Filesize
200KB

MD5
d82a429efd885ca0f324dd92afb6b7b8

SHA1
86bbdaa15e6fc5c7779ac69c84e53c43c9eb20ea

SHA256
b258c4d7d2113dee2168ed7e35568c8e03341e24e3eafc7a22a0d62e32122ef3

SHA512
5bf0c3b8fa5db63205a263c4fa5337188173248bef609ba4d03508c50db1fd1e336f3041ce96d78cc97659357a83e6e422f5b079d893a20a683270e05f5438df

Download Submit
memory/1740-8-0x0000000000400000-0x000000000052A000-memory.dmp

Filesize
1.2MB

Download
memory/1740-18-0x0000000002090000-0x00000000020CC000-memory.dmp

Filesize
240KB

Download
memory/1740-21-0x0000000003F00000-0x0000000004047000-memory.dmp

Filesize
1.3MB

Download
memory/1740-25-0x0000000002090000-0x00000000020CC000-memory.dmp

Filesize
240KB

Download
memory/1740-24-0x0000000000400000-0x000000000052A000-memory.dmp

Filesize
1.2MB

Download
memory/1740-26-0x0000000003F00000-0x0000000004047000-memory.dmp

Filesize
1.3MB

Download
memory/1740-27-0x0000000000400000-0x000000000052A000-memory.dmp

Filesize
1.2MB

Download
memory/1740-29-0x0000000000400000-0x000000000052A000-memory.dmp

Filesize
1.2MB

Download
memory/2312-2-0x0000000000401000-0x0000000000412000-memory.dmp

Filesize
68KB

Download
memory/2312-0-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2312-23-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download

Analysis

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