53845cc89aed7db0075da046789fdafc12d0602e99db972172e20f9853d83f5a

Analysis

max time kernel
140s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
08/07/2024, 20:15

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General

Target

mhtcs.exe
Size

1.7MB
MD5

569ae740955144cdc5701a570341944e
SHA1

714673174098635ab070436652b0013535061195
SHA256

955e57f5d5f6ba2660eaea299b0c9c8d3f35242ba95b9f298d2b422c5de19dce
SHA512

24d1c4f9423f9a28098046b4a81208223b6ab7cabe1e7d544f47deb308d582f8029a1cfbbe5007b59986839d6dc6a48d7f1f5c72a027f4fb640f79cdb809469e
SSDEEP

49152:uiG1Qp1apqCOm6GCWaZhIus+hFgwMiQ0+/0z3j13O+mO0:uiXep/OLGhaPngvig/0jxe

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2744	is-B20B9.tmp

Loads dropped DLL 3 IoCs

pid	Process
2128	mhtcs.exe
2744	is-B20B9.tmp
2744	is-B20B9.tmp

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

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2744	is-B20B9.tmp

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 2744	2128	mhtcs.exe	30
PID 2128 wrote to memory of 2744	2128	mhtcs.exe	30
PID 2128 wrote to memory of 2744	2128	mhtcs.exe	30
PID 2128 wrote to memory of 2744	2128	mhtcs.exe	30
PID 2128 wrote to memory of 2744	2128	mhtcs.exe	30
PID 2128 wrote to memory of 2744	2128	mhtcs.exe	30
PID 2128 wrote to memory of 2744	2128	mhtcs.exe	30

C:\Users\Admin\AppData\Local\Temp\mhtcs.exe
"C:\Users\Admin\AppData\Local\Temp\mhtcs.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Users\Admin\AppData\Local\Temp\is-CJB42.tmp\is-B20B9.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-CJB42.tmp\is-B20B9.tmp" /SL4 $5014E "C:\Users\Admin\AppData\Local\Temp\mhtcs.exe" 1546112 52224
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2744

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\is-CJB42.tmp\is-B20B9.tmp

Filesize
634KB

MD5
d291acbf9866b8846fe0629e690feb1a

SHA1
293314b11340d798d3c74e2416e2a43f267a25d6

SHA256
ab3e1fa210171e5ed2decc615c9328379ee3d29b55ee0e5d7ef6bece43f583eb

SHA512
320e68a67fdcf13dc25640cf68468abd9e0dc51b647f95277eebbd06c7c5ee298b1f68d4a01deb886979e42cbc3eddf16ac4db18884a96b1535598ba11ba36ed

Download Submit
\Users\Admin\AppData\Local\Temp\is-Q63FG.tmp\_isetup\_shfoldr.dll

Filesize
22KB

MD5
92dc6ef532fbb4a5c3201469a5b5eb63

SHA1
3e89ff837147c16b4e41c30d6c796374e0b8e62c

SHA256
9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

SHA512
9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

Download Submit
memory/2128-2-0x0000000000401000-0x000000000040A000-memory.dmp

Filesize
36KB

Download
memory/2128-0-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2128-15-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2744-16-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download