a3e9aed950d1489c6570b52012d287fd5368683905d0b3c28e653b4cbc8ccaac

General

Target

b5623703deb59fcba08167d1652a1292.exe
Size

1.8MB
MD5

b5623703deb59fcba08167d1652a1292
SHA1

651c7623418dbd454f1f0fe6d687fdcf4c115d0d
SHA256

a3e9aed950d1489c6570b52012d287fd5368683905d0b3c28e653b4cbc8ccaac
SHA512

31b08d17f0369414e919f910f7b459b08273c2fed882d9f8c7b46a88f25ef06e67280b1f3d26f91ebc2543da8af1caf3530cd9f396859d6eec4e2df25cf9a463
SSDEEP

49152:hfbFjU66CSCG7Jf0UXOf6r6vgVlQC73aDB9:NRj96CSjB0UC6r64bQ63aDB9

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
2052	5Ift0OA5gFLmonk.exe
1120	CTS.exe
3908	5Ift0OA5gFLmonk.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4932-0-0x0000000000B20000-0x0000000000B37000-memory.dmp	upx
behavioral2/memory/1120-11-0x0000000000460000-0x0000000000477000-memory.dmp	upx
behavioral2/memory/4932-12-0x0000000000B20000-0x0000000000B37000-memory.dmp	upx
behavioral2/files/0x0008000000023334-10.dat	upx
behavioral2/files/0x00060000000226b0-22.dat	upx
behavioral2/memory/1120-127-0x0000000000460000-0x0000000000477000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 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\CTS = "C:\\Windows\\CTS.exe"	b5623703deb59fcba08167d1652a1292.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	b5623703deb59fcba08167d1652a1292.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4932	b5623703deb59fcba08167d1652a1292.exe
Token: SeDebugPrivilege	1120	CTS.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3908	5Ift0OA5gFLmonk.exe
3908	5Ift0OA5gFLmonk.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4932 wrote to memory of 2052	4932	b5623703deb59fcba08167d1652a1292.exe	94
PID 4932 wrote to memory of 2052	4932	b5623703deb59fcba08167d1652a1292.exe	94
PID 4932 wrote to memory of 2052	4932	b5623703deb59fcba08167d1652a1292.exe	94
PID 4932 wrote to memory of 1120	4932	b5623703deb59fcba08167d1652a1292.exe	95
PID 4932 wrote to memory of 1120	4932	b5623703deb59fcba08167d1652a1292.exe	95
PID 4932 wrote to memory of 1120	4932	b5623703deb59fcba08167d1652a1292.exe	95
PID 2052 wrote to memory of 3908	2052	5Ift0OA5gFLmonk.exe	97
PID 2052 wrote to memory of 3908	2052	5Ift0OA5gFLmonk.exe	97
PID 2052 wrote to memory of 3908	2052	5Ift0OA5gFLmonk.exe	97

C:\Users\Admin\AppData\Local\Temp\b5623703deb59fcba08167d1652a1292.exe
"C:\Users\Admin\AppData\Local\Temp\b5623703deb59fcba08167d1652a1292.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4932
- C:\Users\Admin\AppData\Local\Temp\5Ift0OA5gFLmonk.exe
  C:\Users\Admin\AppData\Local\Temp\5Ift0OA5gFLmonk.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2052
- - C:\Users\Admin\AppData\Local\Temp\jds240625625.tmp\5Ift0OA5gFLmonk.exe
    "C:\Users\Admin\AppData\Local\Temp\jds240625625.tmp\5Ift0OA5gFLmonk.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    PID:3908
- C:\Windows\CTS.exe
  "C:\Windows\CTS.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  PID:1120

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=4292 --field-trial-handle=2276,i,1205556100727695622,5044463180471657307,262144 --variations-seed-version /prefetch:8
1⤵
PID:376

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

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

Filesize
352KB

MD5
ae362d5162f8ec53b84fd5e16d0ef8c1

SHA1
f47b5a5af5e24fef5144ff97338f91eca1b45355

SHA256
a7cab75c4e2a6d466c39c9b4daae3f49b5d4812f86fda654c47e3339cb97b500

SHA512
b6f8dbd50a97988f4a6b8b4d9530ef56a43f379aee130437206393d255261c3b4248cc39cc0faa76be8c65ac76bf414192fb60ad0695d42a0e7c6f761444c326

Download Submit
C:\Users\Admin\AppData\Local\Temp\5Ift0OA5gFLmonk.exe

Filesize
1.8MB

MD5
544e07d620d3108b9b6aa3384d02dea5

SHA1
9897596f3c4ec39e38ef7f1081783db7693ae0b2

SHA256
a8fb1a1473831ac6feb092afd2cbdded2d6a881d3576158fabd89090050b52f8

SHA512
3663b9c056447c4491635b5bdcbc6e1a2b67a432b41bab6f479da5c787c48f1067cecafdfb6d9763f9b17b553aa953ae87068ba7f0c1c93facf34db7ac53a64c

Download Submit
C:\Users\Admin\AppData\Local\Temp\5Ift0OA5gFLmonk.exe

Filesize
1.7MB

MD5
fb562f7e2f53f3746b955c8a3584e4cc

SHA1
85d303686e45b8216bdedbcbf4eed47a02a91b80

SHA256
ecc50d535145db50c196246f0594f83673c5bc7175b69156e5a5dadfe4d62002

SHA512
0284170201b0973e345e8ac9d2a1d9034c0e1d2be37a8f2f74da3daa9953049cdd9652f17d359456746dcfc5799c6761571c4ab355c078db4a44af74ca6bc2fd

Download Submit
C:\Users\Admin\AppData\Local\Temp\jds240625625.tmp\5Ift0OA5gFLmonk.exe

Filesize
1.6MB

MD5
109cbe148f827137c3ba62261f01b29b

SHA1
2cc02b09da46d9e5d0ac1b306a0bbcc12bfe4c12

SHA256
394ad6212e4866cc8e6d1834df8f70538dddf09d23dfa65ea204b22c012b541a

SHA512
a2dfa03dd290540bcfeda6cfd7d6ed891700742b4323d8c8dbfc4c822386ef1ddfff5cf71b2e5d7be9ec72fb6fc2145ff6ffc440823187d6956d5aa2794c5799

Download Submit
C:\Users\Admin\AppData\Local\Temp\jusched.log

Filesize
154KB

MD5
a6d9a4402acef5e347796dfe2ee027f0

SHA1
adeee0287c832244f42c715d7a47dafebf1a8639

SHA256
faa087b6916909e03e91779d1ce652997df7fb34bbbbadfa6b3785b3859aa78f

SHA512
44b3e1ab3435f073b9fa485a85cacc7ec1a9536b29a250aa114c9c58ea3efe23fb940f7de81bfbdc98c626c729e0b482f8cf68520d3762b1966721f5f0f70d89

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/1120-11-0x0000000000460000-0x0000000000477000-memory.dmp

Filesize
92KB

Download
memory/1120-127-0x0000000000460000-0x0000000000477000-memory.dmp

Filesize
92KB

Download
memory/4932-0-0x0000000000B20000-0x0000000000B37000-memory.dmp

Filesize
92KB

Download
memory/4932-12-0x0000000000B20000-0x0000000000B37000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads