44fcf8c63084b1b5bcdbb48cc2ae58dd19350ab30aec42920c7b7e78e749e422

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11/03/2024, 21:55

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General

Target

c1b32fa59d6ca6e2999807d2ffdedb5f.exe
Size

385KB
MD5

c1b32fa59d6ca6e2999807d2ffdedb5f
SHA1

4dd5add77ed375963824adca3944efa8a75ee863
SHA256

44fcf8c63084b1b5bcdbb48cc2ae58dd19350ab30aec42920c7b7e78e749e422
SHA512

e2c031c7c3f76fbc76a427f533d9a2229f816f94934db4f895976a6e7d6f6a6107c77eb59f0cadecd7d28795a5795d9a1e02bef441d22cb84c73092f5e4beea2
SSDEEP

12288:uDO2dWv4FiUQoB0FsBspI+MCG1J4S4FBX5B:uDdxnIsBgIBtD65B

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3784	c1b32fa59d6ca6e2999807d2ffdedb5f.exe

Executes dropped EXE 1 IoCs

pid	Process
3784	c1b32fa59d6ca6e2999807d2ffdedb5f.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
28	pastebin.com
30	pastebin.com

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2036	c1b32fa59d6ca6e2999807d2ffdedb5f.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2036	c1b32fa59d6ca6e2999807d2ffdedb5f.exe
3784	c1b32fa59d6ca6e2999807d2ffdedb5f.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 3784	2036	c1b32fa59d6ca6e2999807d2ffdedb5f.exe	96
PID 2036 wrote to memory of 3784	2036	c1b32fa59d6ca6e2999807d2ffdedb5f.exe	96
PID 2036 wrote to memory of 3784	2036	c1b32fa59d6ca6e2999807d2ffdedb5f.exe	96

C:\Users\Admin\AppData\Local\Temp\c1b32fa59d6ca6e2999807d2ffdedb5f.exe
"C:\Users\Admin\AppData\Local\Temp\c1b32fa59d6ca6e2999807d2ffdedb5f.exe"
1⤵
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Users\Admin\AppData\Local\Temp\c1b32fa59d6ca6e2999807d2ffdedb5f.exe
  C:\Users\Admin\AppData\Local\Temp\c1b32fa59d6ca6e2999807d2ffdedb5f.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:3784

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=4036 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:8
1⤵
PID:2704

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\c1b32fa59d6ca6e2999807d2ffdedb5f.exe

Filesize
385KB

MD5
15bc15e28102816f4fd2ec2490ee63df

SHA1
090695f89053a8fc4a96cbd0ed0913b4844780c1

SHA256
391b6e4f2f64777ddf9f5ed9be46c1d5eb715dd0578fa77d0cf8f106482ef035

SHA512
5124889dfb6f806140c45f3531acc68088e4a5fcb1879a38ef9609f77a23f865c0ef49069c81b478e9e4fb537941e79f43c4976914c6176ccd25e496ebb692bb

Download Submit
memory/2036-0-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2036-1-0x00000000014D0000-0x0000000001536000-memory.dmp

Filesize
408KB

Download
memory/2036-2-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2036-12-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/3784-13-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/3784-14-0x0000000000170000-0x00000000001D6000-memory.dmp

Filesize
408KB

Download
memory/3784-20-0x0000000004EF0000-0x0000000004F4F000-memory.dmp

Filesize
380KB

Download
memory/3784-21-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3784-30-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3784-33-0x000000000B600000-0x000000000B63C000-memory.dmp

Filesize
240KB

Download
memory/3784-36-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download