44caliber | 2dcfd9b32402fa9b0899100d5707b28552dc9d932548230af3aed4e2ae3c7bca

General

Target

leet-cheats-freeware.vmp.exe
Size

6.9MB
MD5

98396064f2a7683dcc23ba2dbdaac347
SHA1

09d6c4ca59e59265b17d448e5e0c5887171f03e0
SHA256

2dcfd9b32402fa9b0899100d5707b28552dc9d932548230af3aed4e2ae3c7bca
SHA512

5b634afa4720a11e7e5fa5c2c7fb8a1b421f94fb116d252c7c27b74bfc16eb6a3353f47ab94bab77d4fa79a49570a8a770a4ba0372408be6ef9af8f131a7ffed
SSDEEP

196608:D+Hi7E7LsX2GHY282Nhg5f4X6JiqO5ftIEDaajLeaK/mQ:aH74mGHQ2NmV4qJDO5ftYH/mQ

Score

10^/10

44caliber spyware stealer upx

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/1239998001162883183/Prdtl-xV5N5KoPdJjFyeakzF-tcDlNNdpgQa5_WSJhD6azfB04Gi-4sCmpkCOwJ_5MMR

Signatures

44Caliber
An open source infostealer written in C#.
stealer 44caliber

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

leet-cheats-freeware.vmp.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	leet-cheats-freeware.vmp.exe

Executes dropped EXE 3 IoCs

Processes:

2323.exeleet-cheats.exeloader.data

pid process

4772 2323.exe
2964 leet-cheats.exe
2336 loader.data
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

pid	process
4772	2323.exe
2964	leet-cheats.exe
2336	loader.data

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\loader.data	upx
behavioral2/memory/2336-59-0x00007FF6835D0000-0x00007FF6841FA000-memory.dmp	upx

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

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

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

2323.exe

pid process

4772 2323.exe
4772 2323.exe
4772 2323.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

2323.exe

description pid process

Token: SeDebugPrivilege 4772 2323.exe

flow	ioc
8	freegeoip.app
9	freegeoip.app

pid	process
4772	2323.exe
4772	2323.exe
4772	2323.exe

description	pid	process
Token: SeDebugPrivilege	4772	2323.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

leet-cheats-freeware.vmp.exeleet-cheats.exe

description	pid	process	target process
PID 3352 wrote to memory of 4772	3352	leet-cheats-freeware.vmp.exe	2323.exe
PID 3352 wrote to memory of 4772	3352	leet-cheats-freeware.vmp.exe	2323.exe
PID 3352 wrote to memory of 2964	3352	leet-cheats-freeware.vmp.exe	leet-cheats.exe
PID 3352 wrote to memory of 2964	3352	leet-cheats-freeware.vmp.exe	leet-cheats.exe
PID 2964 wrote to memory of 556	2964	leet-cheats.exe	msedge.exe
PID 2964 wrote to memory of 556	2964	leet-cheats.exe	msedge.exe
PID 2964 wrote to memory of 2336	2964	leet-cheats.exe	loader.data
PID 2964 wrote to memory of 2336	2964	leet-cheats.exe	loader.data
PID 2964 wrote to memory of 2336	2964	leet-cheats.exe	loader.data

C:\Users\Admin\AppData\Local\Temp\leet-cheats-freeware.vmp.exe
"C:\Users\Admin\AppData\Local\Temp\leet-cheats-freeware.vmp.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3352

C:\Users\Admin\AppData\Local\Temp\2323.exe
"C:\Users\Admin\AppData\Local\Temp\2323.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4772

C:\Users\Admin\AppData\Local\Temp\leet-cheats.exe
"C:\Users\Admin\AppData\Local\Temp\leet-cheats.exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2964

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://unicore.cloud/drama
3⤵
PID:556

C:\Users\Admin\AppData\Local\Temp\loader.data
"loader.data"
3⤵
- Executes dropped EXE
PID:2336

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=16 --field-trial-handle=4636,i,15140928051103392835,1612840580898364401,262144 --variations-seed-version --mojo-platform-channel-handle=4952 /prefetch:1
1⤵
PID:3280

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=15 --field-trial-handle=4800,i,15140928051103392835,1612840580898364401,262144 --variations-seed-version --mojo-platform-channel-handle=4968 /prefetch:1
1⤵
PID:4280

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=17 --field-trial-handle=5104,i,15140928051103392835,1612840580898364401,262144 --variations-seed-version --mojo-platform-channel-handle=5292 /prefetch:1
1⤵
PID:2104

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 --field-trial-handle=5424,i,15140928051103392835,1612840580898364401,262144 --variations-seed-version --mojo-platform-channel-handle=5328 /prefetch:8
1⤵
PID:3412

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=entity_extraction_service.mojom.Extractor --lang=en-US --service-sandbox-type=entity_extraction --onnx-enabled-for-ee --no-appcompat-clear --field-trial-handle=5436,i,15140928051103392835,1612840580898364401,262144 --variations-seed-version --mojo-platform-channel-handle=5596 /prefetch:8
1⤵
PID:2540

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=20 --field-trial-handle=5928,i,15140928051103392835,1612840580898364401,262144 --variations-seed-version --mojo-platform-channel-handle=5908 /prefetch:1
1⤵
PID:2532

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=21 --field-trial-handle=5452,i,15140928051103392835,1612840580898364401,262144 --variations-seed-version --mojo-platform-channel-handle=6164 /prefetch:1
1⤵
PID:1792

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=22 --field-trial-handle=4960,i,15140928051103392835,1612840580898364401,262144 --variations-seed-version --mojo-platform-channel-handle=4124 /prefetch:1
1⤵
PID:1048

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=3888,i,15140928051103392835,1612840580898364401,262144 --variations-seed-version --mojo-platform-channel-handle=3780 /prefetch:8
1⤵
PID:3068

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --lang=en-US --service-sandbox-type=audio --no-appcompat-clear --field-trial-handle=4328,i,15140928051103392835,1612840580898364401,262144 --variations-seed-version --mojo-platform-channel-handle=4936 /prefetch:8
1⤵
PID:2264

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x51c 0x4f0
1⤵
PID:3080

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_search_indexer.mojom.SearchIndexerInterfaceBroker --lang=en-US --service-sandbox-type=search_indexer --message-loop-type-ui --no-appcompat-clear --field-trial-handle=5788,i,15140928051103392835,1612840580898364401,262144 --variations-seed-version --mojo-platform-channel-handle=5640 /prefetch:8
1⤵
PID:3204

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 --field-trial-handle=3804,i,15140928051103392835,1612840580898364401,262144 --variations-seed-version --mojo-platform-channel-handle=5596 /prefetch:8
1⤵
PID:2792

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\2323.exe
Filesize
303KB

MD5
6d4d2a454bc8728f442e32c4471abdbd

SHA1
bfb79b63f606947623c418da921b65dd0a192b5e

SHA256
926a0c168b569f523cfc1c88586bfaebad3cb5c8348da3978ea27442f49a89bb

SHA512
ff30db6131e49f51fe9d18c2a3a3218b8b8ebfd7117dce7d9b7f8072b5eba12768e08ec723a0fd3ebd626f056b485bf7d18bd536fb0a3a8eeec88a107bdfe616

Download Submit
C:\Users\Admin\AppData\Local\Temp\leet-cheats.exe
Filesize
6.6MB

MD5
13950d86cb3748b2a1f535eaace1a3d6

SHA1
9b1634057a11119ed38d1574bc2db160084cefd3

SHA256
10328d771df10ba9f20ff5a65046d559bdf35d36855bba0af909febaee9e53a9

SHA512
6ee06e0576d571f9e2fedbe904ecfab5a83b2fd8adc28d469ab08c728610eab215b8c6946feab8f4e33510978e879c66618225f23c4c3b6dff66b96147fd0964

Download Submit
C:\Users\Admin\AppData\Local\Temp\loader.data
Filesize
5.2MB

MD5
b86bbb42b26e72a601087f68cda89208

SHA1
baca49e35da3b83cd56ba579d61f98e9b137debe

SHA256
320eff01b2a5b520853cd9b0c7486b3d9992dce2f9308f267069a60f88f8deb0

SHA512
e98dfeb55d6053d6e2ec323f4665b4ea8cdb5bae0807ac70ac5dbb6cf7f3e8e1ba6a2ad099f8232b0e0ca9a738a9baf7d132957fb5d503c78283b229e35ed974

Download Submit
memory/2336-59-0x00007FF6835D0000-0x00007FF6841FA000-memory.dmp

Filesize
12.2MB

Download
memory/2964-51-0x00007FF64D200000-0x00007FF64DF23000-memory.dmp

Filesize
13.1MB

Download
memory/3352-20-0x0000000000400000-0x0000000000AF1000-memory.dmp

Filesize
6.9MB

Download
memory/4772-12-0x000001F346910000-0x000001F346962000-memory.dmp

Filesize
328KB

Download
memory/4772-15-0x00007FFCAD333000-0x00007FFCAD335000-memory.dmp

Filesize
8KB

Download
memory/4772-44-0x00007FFCAD330000-0x00007FFCADDF1000-memory.dmp

Filesize
10.8MB

Download
memory/4772-50-0x00007FFCAD330000-0x00007FFCADDF1000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads