22987c398c668599e79f7f89a3d6b92a9c9f2d9dec98cbbea2e1ab5e6d3edbff

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
01/06/2024, 11:34

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General

Target

8a58fd1f81e28a9960ff179b1c9a2279_JaffaCakes118.exe
Size

253KB
MD5

8a58fd1f81e28a9960ff179b1c9a2279
SHA1

a0d4e5cf996806dad7beaadefedd521c2400a1e4
SHA256

22987c398c668599e79f7f89a3d6b92a9c9f2d9dec98cbbea2e1ab5e6d3edbff
SHA512

cc309a92567d69d0cc2547a8d2fa0748bf57ec6fec500223ceb0f3826858a223e853bb317b9867a729f683ca3ad625f727c508cba0d5f0a5e88221c4c1cde05b
SSDEEP

6144:2Z+118fkqKFy/1RWBT5CI9c0UJA1wmQDu+FwZm/G/HclNy:eMqKFs1s15CIJUJUw5q+Fp/G/8S

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2088	Au_.exe

Loads dropped DLL 7 IoCs

pid	Process
1948	8a58fd1f81e28a9960ff179b1c9a2279_JaffaCakes118.exe
2088	Au_.exe
2088	Au_.exe
2088	Au_.exe
2088	Au_.exe
2088	Au_.exe
2088	Au_.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
behavioral1/files/0x003500000001415f-2.dat	nsis_installer_1
behavioral1/files/0x003500000001415f-2.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2088	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 2088	1948	8a58fd1f81e28a9960ff179b1c9a2279_JaffaCakes118.exe	28
PID 1948 wrote to memory of 2088	1948	8a58fd1f81e28a9960ff179b1c9a2279_JaffaCakes118.exe	28
PID 1948 wrote to memory of 2088	1948	8a58fd1f81e28a9960ff179b1c9a2279_JaffaCakes118.exe	28
PID 1948 wrote to memory of 2088	1948	8a58fd1f81e28a9960ff179b1c9a2279_JaffaCakes118.exe	28
PID 1948 wrote to memory of 2088	1948	8a58fd1f81e28a9960ff179b1c9a2279_JaffaCakes118.exe	28
PID 1948 wrote to memory of 2088	1948	8a58fd1f81e28a9960ff179b1c9a2279_JaffaCakes118.exe	28
PID 1948 wrote to memory of 2088	1948	8a58fd1f81e28a9960ff179b1c9a2279_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\8a58fd1f81e28a9960ff179b1c9a2279_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8a58fd1f81e28a9960ff179b1c9a2279_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2088

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

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nst1334.tmp\System.dll

Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

Download Submit
\Users\Admin\AppData\Local\Temp\nst1334.tmp\UserInfo.dll

Filesize
4KB

MD5
7579ade7ae1747a31960a228ce02e666

SHA1
8ec8571a296737e819dcf86353a43fcf8ec63351

SHA256
564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

SHA512
a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

Download Submit
\Users\Admin\AppData\Local\Temp\nst1334.tmp\nsDialogs.dll

Filesize
9KB

MD5
c10e04dd4ad4277d5adc951bb331c777

SHA1
b1e30808198a3ae6d6d1cca62df8893dc2a7ad43

SHA256
e31ad6c6e82e603378cb6b80e67d0e0dcd9cf384e1199ac5a65cb4935680021a

SHA512
853a5564bf751d40484ea482444c6958457cb4a17fb973cf870f03f201b8b2643be41bccde00f6b2026dc0c3d113e6481b0dc4c7b0f3ae7966d38c92c6b5862e

Download Submit
\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
253KB

MD5
8a58fd1f81e28a9960ff179b1c9a2279

SHA1
a0d4e5cf996806dad7beaadefedd521c2400a1e4

SHA256
22987c398c668599e79f7f89a3d6b92a9c9f2d9dec98cbbea2e1ab5e6d3edbff

SHA512
cc309a92567d69d0cc2547a8d2fa0748bf57ec6fec500223ceb0f3826858a223e853bb317b9867a729f683ca3ad625f727c508cba0d5f0a5e88221c4c1cde05b

Download Submit